Lista de exoplanetas descubiertos en 2018 |
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2016 2017 — 2018 — 2019 2020 |
Ver también: Otros eventos en 2018 |
En 2018, al 6 de diciembre, se han descubierto 242 exoplanetas [1] [2] [3] .
El año 2018 en planetología se destaca por los siguientes eventos importantes:
Ordenado por aumento de ascensión recta de estrellas nativas. Los múltiples sistemas planetarios están resaltados en amarillo.
Estrella | Constelación | ascensión recta | declinación | Magnitud aparente | distancia, st . años |
clase espectral | Planeta | Misa , MJ _ |
Período orbital , días |
Semieje mayor , a. mi. |
Excentricidad |
Avispa-158 | Ballena | 00 h 16 min 35 s | −10° 58′ 35″ | 12.1 | 1728 | F6V | b | 2.79 | 3.65633 | 0.052 | 0 |
Avispa-168 | Fénix | 00 h 26 min 59 s | −46° 49′ 17″ | 12.1 | 1135 | F9V | b | 0.42 | 4.15366 | 0.0519 | 0 |
K2-216 | Pez | 00 h 45 min 55 s | +06° 20′ 49″ | 12.48 | 377 | K5V | b | 0.0249 | 2.17479 | 0.028 | 0 |
ÉPICO 220501947 | Pez | 01 h 18 min 26 s | +06° 49′ 01″ | 13.95 | 763 | K5V | b | 0.336 | 4.024866 | 0.0467 | - |
LP 415-17 | Tauro | 04 h 21 min 52 s | +21° 21′ 12″ | 12.8 | 267 | KV | b | 1.8 | 6.342 | 0.0562 | - |
LP 415-17 | Tauro | 04 h 21 min 52 s | +21° 21′ 12″ | 12.8 | 267 | KV | C | 6.5 | 13,850 | 0.0946 | - |
LP 415-17 | Tauro | 04 h 21 min 52 s | +21° 21′ 12″ | 12.8 | 267 | KV | d | 4.2 | 40.718 | 0.1937 | - |
Avispa-159 | Cortador | 04 h 32 min 33 s | −38° 58′ 06″ | 12.8 | 3059 | F9 | b | 0,55 | 3.8404 | 0.0538 | 0 |
HD283869 | Tauro | 04 h 47 min 42 s | +26° 09′ 00″ | - | 15495 | - | b | - | 106 | 0.4 | - |
HD 286123 | Tauro | 04 h 55 min 03 s | +18° 39′ 16″ | 9.89 | 424 | F8 | b | 0.397 | 11.16845 | 0.1036 | 0.258 |
épica 246851721 | Tauro | 05 h 15 min 40 s | +16° 16′ 43″ | 11.4 | 1226 | F5V | b | 5.74 | 6.180242 | 0.07239 | - |
Avispa-160B | Paloma | 05 h 50 min 43 s | −27° 37′ 23″ | 13.09 | - | K0V | b | 0.281 | 3.768495 | 0.0455 | 0.0 |
NGTS-3A | Paloma | 06 h 17 min 46 s | −35° 42′ 23″ | 14.6 | 3294 | G9V | b | 2.38 | 1.67537 | 0.023 | 0 |
SOMBREROS-40 | Perro grande | 06 h 42 min 17 s | −29° 46′ 37″ | 13.4 | 4667 | - | b | 1.59 | 3.26427 | 0.04997 | 0.312 |
SOMBREROS-41 | Perro grande | 06 h 54 min 04 s | −27° 03′ 01″ | 17.7 | 2609 | - | b | 9.7 | 4.19365 | 0.0583 | 0.38 |
SOMBREROS-42 | Popa | 07 h 13 min 48 s | -33° 26′ 14″ | 13.6 | 3072 | - | b | 1.88 | 0.03689 | 2.2921 | 0.229 |
SOMBREROS-39 | Popa | 07 h 29 min 41 s | −29° 56′ 16″ | 12.75 | 2521 | - | b | 0,63 | 4.57763 | 0.06 | 0.275 |
Avispa-161 | Popa | 08 h 25 min 21 s | −11° 30′ 04″ | 11.09 | - | F6 | b | 2.49 | 5.40604 | 0.0673 | - |
Avispa-170 | Brújula | 09 h 01 min 39 s | −20° 43′ 14″ | 12.79 | - | G1 | b | 1.6 | 2.34478 | 0.0337 | - |
épica 211945201 | Cangrejo de río | 09 h 06 min 18 s | +19° 24′ 08″ | 10.15 | 595 | - | b | 0.085 | 19.4921 | 0.148 | 0 |
GJ 1132 | Navegar | 10 h 14 min 52 s | −47° 09′ 24″ | 13.5 | 39 | M3.5 | C | 0.00831 | 8.929 | 0.0476 | 0.27 |
HD 89345 | un leon | 10 h 18 min 41 s | +10° 07′ 45″ | 9.4 | 412 | G5V | b | - | 11.8143 | 0.1086 | 0.25 |
épica 248435473 | Sextante | 10 h 31 min 44 s | +00° 56′ 15″ | - | 227 | KV | b | - | 0.01283 | 0.658525 | - |
épica 248435473 | Sextante | 10 h 31 min 44 s | +00° 56′ 15″ | - | 227 | KV | C | - | 0.06674 | 7.814 | - |
épica 248435473 | Sextante | 10 h 31 min 44 s | +00° 56′ 15″ | - | 227 | KV | d | - | 0.1017 | 14.697 | - |
épica 248435473 | Sextante | 10 h 31 min 44 s | +00° 56′ 15″ | - | 227 | KV | mi | - | 0.1227 | 0.218 | - |
K2-239 | Sextante | 10 h 42 min 23 s | +04° 26′ 29″ | 9.0 | 159 | M3.0V | b | 0.0044 | 5.24 | 0.0441 | - |
K2-239 | Sextante | 10 h 42 min 23 s | +04° 26′ 29″ | 9.0 | 159 | M3.0V | C | 0.0028 | 7.775 | 0.0576 | - |
K2-239 | Sextante | 10 h 42 min 23 s | +04° 26′ 29″ | 9.0 | 159 | M3.0V | d | 0.0041 | 10.115 | 0.0685 | - |
KPS-1 | Osa Mayor | 11 h 00 min 40 s | +64° 57′ 50″ | 13.0 | - | K1V | b | 1.09 | 1.70629 | 0.0269 | 0 |
Avispa-162 | Recipiente | 11 h 13 min 10 s | −17° 39′ 28″ | 12.2 | 841 | K0 | b | 5.2 | 9.62468 | 0.0871 | 0.434 |
SOMBREROS-59 | Recipiente | 11 h 21 min 18 s | −22° 23′ 17″ | 14.0 | 2133 | - | b | 0.806 | 5.41608 | 0.06112 | 0.129 |
SOMBREROS-59 | Recipiente | 11 h 21 min 18 s | −22° 23′ 17″ | 14.0 | 2133 | - | C | 12.7 | 1422 | 2.5 | 0.08 |
ÉPICO 201498078 | Virgo | 11 h 52 min 08 s | +00° 29′ 36″ | 12.6 | 697 | - | b | 0.179 | 11.6336 | 0.10376 | 0.42 |
K2-229 | Virgo | 12 h 27 min 30 s | −06° 43′ 19″ | 10.98 | 339 | K0V | b | 0.0081 | 0.58425 | 0.0129 | 0 |
K2-229 | Virgo | 12 h 27 min 30 s | −06° 43′ 19″ | 10.98 | 339 | K0V | C | - | 8.32834 | 0.0758 | 0 |
K2-229 | Virgo | 12 h 27 min 30 s | −06° 43′ 19″ | 10.98 | 339 | K0V | d | - | 31 | 0.182 | 0.39 |
Avispa-174 | centauro | 13 h 03 min 11 s | −41° 23′ 05″ | - | - | F6V | b | - | 4.2337 | 0.0555 | - |
Avispa-172 | centauro | 13 h 17 min 44 s | −47° 14′ 15″ | once | 1542 | F1V | b | 0.47 | 5.47743 | 0.0694 | 0 |
Lobo 503 | Virgo | 13h 47m 23s _ _ _ | −06° 08′ 13″ | 8.0 | 145 | K3.5V | b | - | 6.00118 | 0.0571 | - |
NGTS-2 | centauro | 14 h 20 min 30 s | −31° 12′ 07″ | 10.96 | 1175 | F5V | b | 0.74 | 4.51116 | 0.063 | 0.035 |
K2-240 | Serpiente | 15 h 11 min 24 s | +17° 52′ 31″ | 13.92 | 228 | M0.5V | b | 5 | 6.034 | 0.0513 | - |
K2-240 | Serpiente | 15 h 11 min 24 s | +17° 52′ 31″ | 13.92 | 228 | M0.5V | C | 0.0145 | 20.523 | 0.1159 | - |
ÉPICO 249622103 | Escamas | 15 h 21 min 55 s | −20° 13′ 54″ | 10.7 | 225 | K3 | b | - | 2.46746 | 0.03317 | - |
ÉPICO 249622103 | Escamas | 15 h 21 min 55 s | −20° 13′ 54″ | 10.7 | 225 | K3 | C | - | 0.1191 | 0.06687 | - |
ÉPICO 249622103 | Escamas | 15 h 21 min 55 s | −20° 13′ 54″ | 10.7 | 225 | K3 | d | - | 0.2355 | 0.1527 | - |
K2-237 | ofiuco | 16 h 55 min 04 s | −28° 42′ 38″ | 11.6 | 1037 | F6V | b | 1.231 | 2.1805567 | 0.0352 | - |
Avispa-163 | ofiuco | 17 h 06 min 09 s | −10° 24′ 47″ | 12.54 | - | G8 | b | 1.87 | 1.60969 | 0.0266 | - |
K2-231 | Sagitario | 19h 16m 22s _ _ _ | −15° 46′ 16″ | 12.71 | 962 | G2V | b | - | 13.8419 | 0.12 | - |
SOMBRERO-P-11 | Cisne | 19 h 50 min 50 s | +48° 04′ 51″ | 9.59 | 123 | K4V | C | 1.6 | 3407 | 4.13 | 0.6 |
TrES-5 | Cisne | 20 h 20 min 53 s | +59° 26′ 57″ | 13.72 | 1174 | - | C | 0.24 | 2.9645 | 0.039 | - |
Avispa-144 | Microscopio | 21 h 23 min 03 s | −40° 02′ 54″ | 12.9 | - | K2V | b | 0.44 | 2.27832 | 0.0316 | 0 |
Avispa-145A | indio | 21 h 29 min 01 s | −58° 50′ 10″ | 11.5 | 303 | K2V | b | 0.89 | 1.76904 | 0.0261 | 0 |
K2-55 | Acuario | 22 h 15 m 00 s | −17° 15′ 03″ | 13.6 | - | K7V | b | 0.138 | 2.84928 | 0.0347 | 0.124 |
HD 212657 | Acuario | 22 h 26 min 18 s | −18° 00′ 40″ | 8.24 | 262 | F7V | b | - | 9.9775 | 0.091 | - |
Avispa-164 | Tucán | 22 h 59 min 29 s | −60° 26′ 52″ | 12.62 | - | G2V | b | 2.13 | 1.7771255 | 0.02818 | 0.0 |
K2-138 | Acuario | 23 h 15 min 47 s | −10° 50′ 58″ | 12.2 | 596 | K1V | b | - | 2.35322 | 0.03380 | - |
K2-138 | Acuario | 23 h 15 min 47 s | −10° 50′ 58″ | 12.2 | 596 | K1V | C | - | 3.55987 | 0.04454 | - |
K2-138 | Acuario | 23 h 15 min 47 s | −10° 50′ 58″ | 12.2 | 596 | K1V | d | - | 5.40478 | 0.05883 | - |
K2-138 | Acuario | 23 h 15 min 47 s | −10° 50′ 58″ | 12.2 | 596 | K1V | mi | - | 8.26144 | 0.07807 | - |
K2-138 | Acuario | 23 h 15 min 47 s | −10° 50′ 58″ | 12.2 | 596 | K1V | F | - | 12.75759 | 0.10430 | - |
K2-141 | Pez | 23 h 23 min 40 s | −01° 11′ 21″ | 11.5 | 199 | K4V | C | - | 7.7485 | 0.065 | 0 |
Avispa-173A | Escultor | 23 h 36 min 40 s | −34° 36′ 41″ | 11.3 | 727 | G3V | b | 3.69 | 1.38665 | 0.0248 | 0 |
Avispa-165 | Acuario | 23 h 50 min 19 s | −17° 04′ 39″ | 12.69 | - | G6 | b | 0.658 | 3.465509 | 0.04823 | 0.0 |
Avispa-147 | Ballena | 23 h 56 min 46 s | −22° 09′ 11″ | 12.31 | 1389 | G4 | b | 0.275 | 4.60273 | 0.0549 | 0.0 |
Estrella | Constelación | ascensión recta | declinación | Magnitud aparente | distancia, st . años |
clase espectral | Planeta | Misa , MJ _ |
Período orbital , días |
Semieje mayor , a. mi. |
Excentricidad |
Gliese 15A | Andrómeda | 00 h 18 min 22 s | +44° 01′ 22″ | 8.13 | 11.6 | M1V | C | 0.113 | 7600 | 5.4 | 0.27 |
Gliese 96 | Andrómeda | 02 h 22 min 14 s | +47° 52′ 48″ | 9.34 | 38,9 | M0V | b | 0.06186 | 73.94 | 0.291 | 0.44 |
TYC 3318-01333-1 | perseo | 03 h 02 min 19 s | +49° 44′ 38″ | 9.90 | 1813 | - | b | 3.42 | 562.0 | 1.414 | 0.098 |
24 botines | Botas | 14 h 28 min 39 s | +49° 50′ 42″ | 5.6 | 326 | G3IV | b | 0.91 | 30.3506 | 0.19 | 0.042 |
Libra | Escamas | 15 h 35 min 32 s | −14° 47′ 22″ | 3.91 | 152 | K0III | b | 1.029 | 415.2 | 1.2397 | 0.25 |
Libra | Escamas | 15 h 35 min 32 s | −14° 47′ 22″ | 3.91 | 152 | K0III | C | 4.63 | 964.6 | 2.1761 | 0.054 |
GJ617A | El dragón | 16 h 16 min 42 s | +67° 14′ 20″ | 8.9 | - | M1 | b | 0.09615 | 86.93 | 0.324 | 0.32 |
HD238914 | El dragón | 18 h 38 min 20 s | +59° 15′ 14″ | 12.0 | 1924 | K7 | b | 6.0 | 4100.0 | 5.7 | 0,56 |
ε Indio A | indio | 22 h 03 min 22 s | −56° 47′ 10″ | 4.68 | once | K5V | b | 2.71 | 19205 | 12.82 | 0.01 |
alta definición 215152 | Acuario | 22 h 43 min 21 s | −06° 24′ 03″ | 6.45 | 70 | K3V | b | 0.00628 | 5.75942 | 0.057635 | 0.357 |
alta definición 215152 | Acuario | 22 h 43 min 21 s | −06° 24′ 03″ | 6.45 | 70 | K3V | mi | 0.01091 | 25.1968 | 0.15417 | 0.173 |
Estrella | Constelación | ascensión recta | declinación | Magnitud aparente | distancia, st . años |
clase espectral | Planeta | Misa , MJ _ |
Período orbital , días |
Semieje mayor , a. mi. |
Excentricidad |
TCP J050742+244755 | Tauro | 05 h 07 min 42 s | +24° 47′ 56″ | - | 1239 | - | b | 0.029 | - | 0.5 | - |
KMT-2016-BLG-1107 | Sagitario | 17h 45m 40s _ _ _ | −26° 01′ 54″ | - | 21692 | - | b | 3.28 | - | 0.342 | - |
UKIRT-2017-BLG-001L | Sagitario | 17h 46m 37s _ _ _ | −29° 12′ 41″ | - | 21526 | GRAMO | b | 1.47 | - | 4.5 | - |
OGLE-2017-BLG-1140L | Escorpión | 17h 47m 32s _ _ _ | −24° 31′ 22″ | - | 23972 | M3V | b | 1.63 | - | 1.02 | - |
OGLE-2017-BLG-1434L | Escorpión | 17 h 53 min 07 s | -30° 14′ 45″ | - | 2804 | MV | b | 0.014 | - | 1.18 | - |
OGLE-2014-BLG-1722 | Escorpión | 17 h 55 min 01 s | −31° 28′ 09″ | - | 20874 | - | b | 0.174 | - | 1.9 | - |
OGLE-2014-BLG-1722 | Escorpión | 17 h 55 min 01 s | −31° 28′ 09″ | - | 20874 | - | C | 0.2633 | - | 2.5 | - |
KMT-2016-BLG-1820 | Sagitario | 17 h 55 min 04 s | −29° 31′ 01″ | - | 20417 | - | b | 4.57 | - | 1.08 | - |
MOA-2011-BLG-291 | Sagitario | 17 h 55 min 28 s | −29° 10′ 14″ | - | 22831 | METRO | b | 0.085 | - | 1.4 | - |
OGLE-2017-BLG-0482L | Sagitario | 17 h 56 min 12 s | -30° 31′ 42″ | - | 18917 | METRO | b | 0.0283 | - | 1.8 | - |
OGLE-2016-BLG-1067L | Sagitario | 18 h 12 min 49 s | −27° 00′ 46″ | - | 12165 | METRO | b | 0.43 | - | 1.7 | - |