Kepler-8 b (Exoplanet, Confirmed)

RA: 18h 45m 09.10s, DE: +42° 27' 03.80" (281.2879166667, 42.4510555556)

Data:
  • Brightness (Mag): 13.300
  • Transit depth (%): 0.9
  • Transit depth (Mag): 0.00973
  • Transit duration (m): 220
  • Planet radius (RJup): 1.419 +/- 0.055
  • Star radius (RSun): 1.486 +/- 0.06
  • Impact factor: 0.724 +/- 0.02
  • Created by: admin
  • Reference: 
    http://kepler.nasa.gov/Mission/tableofdiscoveries/kepler8b/http://arxiv.org/PS_cache/arxiv/pdf/1004/1004.3538v1.pdf (epoch, period)ephemerides: Gajdoš et al. 2019
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Orbital elements:
  • Period (d): 3.5224984671
  • Epoch (HJD): 24544954.11945
  • Semimajor axis (AU): 0.0483 +/- 0.001
  • Inclination (°): 84.07 +/- 0.33
Change log:

8/18/2026, Filip Walter:

  • Epoch: 2454995.88753 → 24544954.11945
  • Period: 3.522301 → 3.5224984671
  • Reference: http://kepler.nasa.gov/Mission/tableofdiscoveries/kepler8b/http://arxiv.org/PS_cache/arxiv/pdf/1004/1004.3538v1.pdf (epoch, period)ephemerides: Gajdoš et al. 2019T0 corrected by -0.8 day in sake of predictions → http://kepler.nasa.gov/Mission/tableofdiscoveries/kepler8b/http://arxiv.org/PS_cache/arxiv/pdf/1004/1004.3538v1.pdf (epoch, period)ephemerides: Gajdoš et al. 2019

2/2/2025, Filip Walter:

  • Epoch: 2454953.31945 → 2454995.88753
  • Period: 3.5224984671 → 3.522301
  • Reference: http://kepler.nasa.gov/Mission/tableofdiscoveries/kepler8b/ http://arxiv.org/PS_cache/arxiv/pdf/1004/1004.3538v1.pdf (epoch, period) ephemerides: Gajdoš et al. 2019 T0 corrected by -0.8 day in sake of predictions → http://kepler.nasa.gov/Mission/tableofdiscoveries/kepler8b/http://arxiv.org/PS_cache/arxiv/pdf/1004/1004.3538v1.pdf (epoch, period)ephemerides: Gajdoš et al. 2019T0 corrected by -0.8 day in sake of predictions

Chart
Kepler-8
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of transits

26 x

Number of observers

4 x

Last observed before

1 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 24544954.11945 + 3.5224984671 * E
ID HJDmid UTCmid Epoch O-C (d) Duration (min) Depth (mmag) Phot. band DQ Light curve Observer & Reference Note
Transit depth variations
Transit duration variations
Comments

Timeline