K2-285 Overview

K2-285 0.79 R_⦿ 4975.00 K

K2-285 b

0.231 R_Jup

K2-285 c

0.315 R_Jup

K2-285 d

0.221 R_Jup

K2-285 e

0.174 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: K2-285; K2-285

Other Data: Bibliography 7; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-285	K2-285 b	Transit	2018	Palle et al. 2019	Confirmed Planet
K2-285	K2-285 c	Transit	2018	Palle et al. 2019	Confirmed Planet
K2-285	K2-285 d	Transit	2018	Palle et al. 2019	Confirmed Planet
K2-285	K2-285 e	Transit	2018	Palle et al. 2019	Confirmed Planet

K2-285 Stellar Parameters (5 Solutions)

RA: 23h17m32.24s

Dec: +01d18m00.55s

Distance: 154.961+1.161-1.144
pc

Parallax: 6.4248200±0.0476156 mas

Ecliptic Latitude: 5.39821 deg

Ecliptic Longitude: 350.75081 deg

Galactic Latitude: -53.68469 deg

Galactic Longitude: 80.67491 deg

Total Proper Motion: 37.0557502±0.0604788 mas/yr

Proper Motion (RA): 15.0229000±0.0759579 mas/yr

Proper Motion (Dec): -33.8739000±0.0569412 mas/yr

Photometry: m_V
12.075±0.114; m_TESS
11.2451±0.0061; m_J
10.477±0.022; m_H
10.069±0.026; m_Ks
9.971±0.022; m_Kep
11.665; m_W1
9.891±0.023; m_W2
9.967±0.019; m_W3
9.899±0.054; m_W4
8.743±0.405; m_Gaia
11.804000±0.000295; m_B
12.915±0.031; m_g
12.752200±0.000957; m_i
11.5786000±0.0010646; m_r
11.8383000±0.0007841; m_u
15.5161000±0.0086945; m_z
11.9155000±0.0031011

Mission: K2 : Observed in Campaign 12

Tools: ExoFOP Target Overview Page; IRSA Finding Chart; TOI; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	TICv8	Palle et al. 2019	Gaia DR2	ExoFOP-TESS TOI	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5144.540+127.112-145.621	4975±95	4993.880+115.473-111.390	5144.5±136.4	5144.5±136.4
Metallicity (dex)	0.0990±0.0220 [M/H]	0±0 [Fe/H]	---	---	---
v sin i (km/s)	---	3.9±0.8	---	---	---
ρ_✶ (g/cm³)	2.6574098+0.5695684-0.8136573	2.512+0.100-0.097	---	---	---
M_✶ (M_⦿)	0.8680000+0.1275440-0.0885744	0.830±0.023	---	---	---
R_✶ (R_⦿)	0.7722220+0.0535513-0.0467101	0.787±0.016	0.82197773+0.03793340-0.03673410	0.77±0.05	0.77±0.05
log g (log₁₀(cm/s²))	4.6011000+0.0900855-0.0929269	4.4±0.1	---	4.60±0.09	4.60±0.09
Sp. T	---	K2 V	---	---	---
L_✶ (log₁₀(L_⦿))	-0.4244347+0.0140313-0.0155946	---	-0.42183279+0.00445847-0.00450473	---	---
γ (km/s)	---	---	15.883062321125625±0.707355706645539	---	---

K2-285 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Radial Velocity, Transit

Tools: Transit Prediction Service; TOI; K2 Names; K2 Planets and Candidates; Transit

Source	Palle et al. 2019	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	1088.9+22.1-21.9	1163
S (S_⨁)	234.31+19.58-18.28	304.054
P (days)	3.471745+0.000044-0.000046	3.4715644±0.0000059
R_p (R_⨁)	2.59±0.06	2.652450±0.193246
R_p (R_Jup)	0.231±0.005	0.2366361±0.0172403
δ (%)	0.0970+0.0040-0.0030	0.105000000±0.000106639
T₁₄ (hours)	2.180+0.029-0.028	2.130±0.364
T_C (days)	2457743.37545±0.00051	2459468.7422040±0.0023645
a/R_✶	10.43±0.14	---
b	0.57+0.08-0.15	---
M_p (M_⨁)	9.680+1.210-1.370	---
M_p (M_Jup)	0.03046+0.00381-0.00431	---
e	0	---
i (deg)	86.846±0.041	---
ρ (g/cm³)	3.07±0.45	---
R_p/R_✶	0.03013±0.00022	---
K (m/s)	4.62+0.58-0.65	---
a (au)	0.03817+0.00095-0.00092	---

K2-285 c Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Radial Velocity, Transit

Tools: Transit Prediction Service; TOI; K2 Names; K2 Planets and Candidates; Transit

Source	Palle et al. 2019	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	22.51±0.20	---
T_eq (K)	741.4±14.5	787
b	0.05±0.04	---
S (S_⨁)	50.35+4.05-3.83	63.7967
M_p (M_⨁)	15.68+2.28-2.13	---
M_p (M_Jup)	0.04933+0.00717-0.00670	---
e	0	---
i (deg)	89.8610±0.0012	---
P (days)	7.138048+0.000072-0.000063	7.1385672±0.0000073
ρ (g/cm³)	1.95+0.32-0.28	---
R_p (R_⨁)	3.53±0.08	3.605160±0.245269
R_p (R_Jup)	0.315±0.007	0.3216314±0.0218815
R_p/R_✶	0.0411476+0.0003004-0.0003202	---
K (m/s)	5.90+0.86-0.80	---
a (au)	0.0824±0.0018	---
δ (%)	0.210+0.030-0.020	0.20640000±0.00733176
T₁₄ (hours)	2.520+0.022-0.021	2.464±0.331
T_C (days)	2457744.53906+0.00039-0.00037	2460228.7586020±0.0022492

K2-285 d Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Palle et al. 2019
a/R_✶	32.20±0.45
T_eq (K)	619.9+12.7-12.5
b	0.20+0.04-0.05
S (S_⨁)	24.61+2.07-1.93
M_p (M_⨁)	<6.5
M_p (M_Jup)	<0.020
e	0
i (deg)	89.6431+0.0049-0.0051
P (days)	10.45582+0.00025-0.00023
R_p (R_⨁)	2.48±0.06
R_p (R_Jup)	0.221±0.005
R_p/R_✶	0.0288961+0.0003220-0.0002872
K (m/s)	0.680+0.770-0.500
a (au)	0.1178±0.0029
δ (%)	0.100+0.007-0.004
T₁₄ (hours)	2.504+0.035-0.033
T_C (days)	2457745.20100+0.00076-0.00073

K2-285 e Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Palle et al. 2019
a/R_✶	49.43+0.41-0.73
T_eq (K)	500.9+10.1-9.9
b	0.17+0.04-0.07
S (S_⨁)	10.50+0.87-0.81
M_p (M_⨁)	<10.7
M_p (M_Jup)	<0.0337
e	0
i (deg)	89.7994+0.0016-0.0030
P (days)	14.76289+0.00065-0.00061
R_p (R_⨁)	1.95±0.05
R_p (R_Jup)	0.174±0.004
R_p/R_✶	0.0227044+0.0003527-0.0003501
K (m/s)	1.69+0.74-0.72
a (au)	0.18041+0.00420-0.00430
δ (%)	0.068+0.009-0.006
T₁₄ (hours)	2.300+0.034-0.019
T_C (days)	2457741.8969+0.0020-0.0024

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 4 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 4 Associated Literature Data

Bibliography (7 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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