exoclock

K2-266d (HIGH)

Discovered by: Rodriguez et al. 2018

The Star
Simbad
GAIA
2MASS		 K2-266
DR2 3855246074629979264
J10314450+0056152
RA 10:31:44.5057 DEC +00:56:15.268
Parallax
12.865 mas		 P.M. RA
56.871 mas/y		 P.M. DEC
-68.828 mas/y
MagV
11.808		 MagR*
11.083		 MagI*
10.501		 MagJ
9.611		 MagH
9.041		 MagK
8.897
MagG
11.353		 MagGBP
12.051		 MagGRP
10.575
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458650.3445 ± 0.0021 BJDTDB
Period
14.698181 ± 3.5e-05 days
Transit Parameters
Rodriguez et al. 2018
Rp/Rs
0.0383 ± 0.0007		 a/Rs
31.7 +1.1 -1.2
 i
89.46 +0.32 -0.25 deg
e
0.05 +0.04 -0.03
 ω
87.0 +62.0 -62.0 deg
DepthR*
2.01 mmag		 Duration*
3.37 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Rodriguez et al. 2018
Teff
4285.0 +49.0 -57.0 K
 Log(g)
4.58 +0.03 -0.04 cm/s2
 Fe/H
-0.1 +0.4 -0.4 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 27.5"
Total Observations (Recent) 10 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs 0.03805 ± 0.0006
TESS Rp/Rs 0.0378 ± 0.0014

K2-266d


Space Observations
Planet
Observation Date		 Mission O-C
minutes
K2-266d (HIGH)
2023-12-03		TESS-13.09 ± 11.52
K2-266d (HIGH)
2023-11-18		TESS-11.53 ± 4.32
K2-266d (HIGH)
2021-12-27		TESS-6.34 ± 9.79
K2-266d (HIGH)
2021-12-13		TESS-2.48 ± 15.84
K2-266d (HIGH)
2021-11-28		TESS4.69 ± 3.46
K2-266d (HIGH)
2021-11-13		TESS10.43 ± 3.89
K2-266d (HIGH)
2017-08-08		K213.57 ± 5.9
K2-266d (HIGH)
2017-07-25		K2-13.09 ± 3.89
K2-266d (HIGH)
2017-07-10		K2-8.51 ± 2.88
K2-266d (HIGH)
2017-06-10		K28.71 ± 2.74
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