K2-282 Overview
-
Star:
K2-282
- Stellar Radius: 0.94 Solar Radius
- Stellar Effective Temperature: 5523.00 K
-
Planet:
EPIC 220554210 c
- Disposition Confirmed
- Planet Radius 0.143 Jupiter Radius
-
Planet:
K2-282 b
- Disposition Confirmed
- Planet Radius 0.223 Jupiter Radius
K2-282 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-282 | ||||||
| EPIC 220554210 c | 0.71 d | 1.6 R⨁ | Transit | 2019 | Heller et al. 2019 | Confirmed Planet |
| K2-282 b | 4.17 d | 2.5 R⨁ | Transit | 2018 | Livingston et al. 2018 | Confirmed Planet |
- RA
- 00h53m43.72s
- Dec
- +07d59m43.05s
- Distance
-
496.289+7.902-7.663pc
- Parallax
- 1.9862700±0.0313565 mas
- Ecliptic Latitude
- 2.06947 deg
- Ecliptic Longitude
- 15.4555 deg
- Galactic Latitude
- -54.87207 deg
- Galactic Longitude
- 123.91754 deg
- Total Proper Motion
- 32.4324310±0.0723640 mas/yr
- Proper Motion (RA)
- 31.9004000±0.0733122 mas/yr
- Proper Motion (Dec)
- -5.8503900±0.0336097 mas/yr
- Photometry
- mV 14.210±0.114
- mTESS 13.2667±0.0076
- mJ 12.437±0.024
- mH 12.084±0.022
- mKs 12.002±0.021
- mKep 13.723
- mW1 11.959±0.025
- mW2 12.032±0.023
- mW3 12.161±0.363
- mW4 8.806
- mGaia 13.818300±0.000278
- mB 14.845±0.020
- mg 16.0253000±0.0097658
- mi 13.7799000±0.0041549
- mr 13.8864000±0.0017642
- mu 16.517600±0.009655
- mz 14.1107000±0.0079528
-
Abundances
(Hypatia Catalog) - [Fe/H] 0.38±0.04 dex
- [Mg/H] 0.40±0.07 dex
- Mission
- K2: Observed in Campaign 8
| Source | Adams et al. 2021 | TICv8 | Heller et al. 2019 | Livingston et al. 2018 | Gaia DR2 | Kruse et al. 2019 | Kruse et al. 2019 | Petigura et al. 2018 | ||
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5499±109 | 5317.0±122.0 | --- | 5523±82 |
5068.575+117.255-108.575
|
--- | --- | --- | ||
|
Metallicity
(dex)
|
-0.23±0.16 [Fe/H] | --- | --- | 0.15±0.06 [Fe/H] | --- | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
--- | 1.4344278 | --- |
1.442+0.660-0.500
|
--- | --- | --- | --- | ||
|
M✶
(M⦿)
|
--- | 0.92 | 0.940±0.040 | 0.95±0.04 | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
1.00±0.04 | 0.966996 | --- | 0.94±0.02 |
1.0128958+0.0448303-0.0452865
|
1.013±0.045 | 1.013±0.045 | 0.93 | ||
|
log g
(log10(cm/s2))
|
4.50±0.04 | 4.43101 | --- | 4.47±0.03 | --- | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
--- | -0.1717893 | --- | --- |
-0.2146321+0.0161569-0.0167812
|
--- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Adams et al. 2021 | Heller et al. 2019 | Kruse et al. 2019 | ||
|---|---|---|---|---|---|
|
a/R✶
|
3.0+0.3-0.5
|
--- |
2.84 +0.89-0.46
|
||
|
P
(days)
|
0.705310±0.000037 | 0.70531±0.00005 |
0.705386 +0.000052-0.000049
|
||
|
Rp
(R⨁)
|
1.6±0.1 |
1.48+0.13-0.10
|
1.73 +0.15-0.30
|
||
|
Rp
(RJup)
|
0.14±0.01 |
0.132+0.012-0.009
|
0.154 +0.013-0.03
|
||
|
Rp/R✶
|
0.01450+0.00110-0.00065
|
0.0146±0.0007 |
0.0156 +0.0011-0.0026
|
||
|
δ
(%)
|
--- | --- |
0.0262 +0.0016-0.0017
|
||
|
T14
(hours)
|
--- | --- |
1.70400+0.12000-0.16800
|
||
|
TC
(days)
|
2457466.1131+0.0019-0.0022
(HJD)
|
2457430.1411±0.0017
(BJD)
|
2457392.7569 +0.0033-0.0036
(BJD)
|
||
|
b
|
--- |
0.25+0.24-0.17
|
--- | ||
|
i
(deg)
|
91.30±10.00 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Adams et al. 2021 | Livingston et al. 2018 | Kruse et al. 2019 | Petigura et al. 2018 | ||
|---|---|---|---|---|---|---|
|
a/R✶
|
11.0+0.8-2.0
|
10.99+0.94-2.29
|
10.0 +2.8-1.3
|
--- | ||
|
P
(days)
|
4.169783±0.000089 |
4.169836+0.000279-0.000300
|
4.17032 +0.00017-0.00018
|
4.169746±0.000325 | ||
|
Rp
(R⨁)
|
2.5+0.2-0.1
|
2.82±0.14 |
3.19 +0.23-0.45
|
2.7 +0.4-0.2
|
||
|
Rp
(RJup)
|
0.22+0.02-0.01
|
0.252±0.012 |
0.285 +0.021-0.040
|
0.24 +0.04-0.02
|
||
|
Rp/R✶
|
0.02270+0.00160-0.00073
|
0.0275+0.0016-0.0009
|
0.0289 +0.0016-0.0039
|
0.0270 +0.0034-0.0014
|
||
|
δ
(%)
|
--- | --- |
0.0935 +0.003-0.0031
|
--- | ||
|
T14
(hours)
|
--- | --- |
2.88000+0.09600-0.14400
|
2.73120+0.11040-0.11040
|
||
|
TC
(days)
|
2457457.54493+0.00250-0.00220
(HJD)
|
2457394.99930+0.00347-0.00323
(BJD)
|
2457394.9946±0.0017
(BJD)
|
2457395.00031 +0.003868-0.003820
(BJD)
|
||
|
Teq
(K)
|
--- | 1057±20 | --- | --- | ||
|
b
|
--- |
0.40+0.29-0.27
|
--- |
0.48 +0.31-0.32
|
||
|
a
(au)
|
--- |
0.0499+0.0006-0.0007
|
--- | --- | ||
|
i
(deg)
|
90.1+4.0-3.0
|
--- | --- | --- |
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 2 Associated Literature Data
-
Ultra-short-period Planets in K2. III. Neighbors are Common with 13 New Multiplanet Systems and 10 Newly Validated Planets in Campaigns 0-8 and 10
Adams et al. 2021 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview -
Transit least-squares survey. II. Discovery and validation of 17 new sub- to super-Earth-sized planets in multi-planet systems from K2
Heller et al. 2019 Reference Overview -
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview -
All WISE Data Release
Cutri et al. 2014 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
