GJ 9827 d
type: Thing
description: exoplanet in the constellation Pisces
additional property: PropertyValue
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  value: exoplanet
additional property: PropertyValue
  property ID: P31
  value: sub-Neptune
additional property: PropertyValue
  property ID: P59
  value: Pisces
additional property: PropertyValue
  property ID: P373
  value: GJ 9827 d
additional property: PropertyValue
  property ID: P397
  value: GJ 9827
additional property: PropertyValue
  property ID: P528
  value: GJ 9827 d
additional property: PropertyValue
  property ID: P528
  value: TOI-4517d
additional property: PropertyValue
  property ID: P528
  value: K2-135d
additional property: PropertyValue
  property ID: P575
  value: December 2017
additional property: PropertyValue
  property ID: P1046
  value: transit method
additional property: PropertyValue
  property ID: P1096
  value: +0.13
additional property: PropertyValue
  property ID: P2045
  value: +87.443
additional property: PropertyValue
  property ID: P2051
  value: +5.2
additional property: PropertyValue
  property ID: P2067
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additional property: PropertyValue
  property ID: P2120
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P2214
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additional property: PropertyValue
  property ID: P2233
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additional property: PropertyValue
  property ID: P3083
  value: BD-02 5958d
additional property: PropertyValue
  property ID: P5653
  value: gj_9827_d--6625
additional property: PropertyValue
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  value: GJ 9827 d
additional property: PropertyValue
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additional property: PropertyValue
  property ID: P6258
  value: -1.28627378188000
additional property: PropertyValue
  property ID: P6259
  value: J2000.0
additional property: PropertyValue
  property ID: P10751
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additional property: PropertyValue
  property ID: P10752
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confidence:
  popularity graph score:
    score: 0.002
    score pct: 0
    tier: established
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 12
      unique citations norm: 0.005
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 12
  monthly pageviews: 0
  yearly pageviews: 45
  pageview trend:
    m: 2026-06
    v: 37
  pageview trend:
    m: 2026-05
    v: 7
  pageview trend:
    m: 2026-05
    v: 1
  tier: established
claims:
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    value: Q44559
    source count: 8
    confidence: 1.0
    value label: exoplanet
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    value: Q97359320
    source count: 1
    confidence: 0.2
    value label: sub-Neptune
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    value: Q8679
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    value label: Pisces
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    confidence: 0.0
  P397:
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    confidence: 0.6
    value label: GJ 9827
  P528:
    value: GJ 9827 d
    source count: 1
    confidence: 0.2
  P528:
    value: TOI-4517d
    source count: 1
    confidence: 0.2
  P528:
    value: K2-135d
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    confidence: 0.4
  P528:
    value: TIC 301289516d
    source count: 1
    confidence: 0.2
  P528:
    value: EPIC 246389858d
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    confidence: 0.2
  P575:
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    confidence: 0.2
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    confidence: 0.4
  P2051:
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      amount: +5.2
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  P2067:
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    confidence: 0.4

value:
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source count: 1
confidence: 0.2

value: BD-02 5958d
source count: 0
confidence: 0.0

value: gj_9827_d--6625
source count: 0
confidence: 0.0

value: GJ 9827 d
source count: 0
confidence: 0.0

value:
  unit: http://www.wikidata.org/entity/Q28390
  amount: +351.77015687748160
source count: 2
confidence: 0.4

value:
  unit: http://www.wikidata.org/entity/Q28390
  amount: -1.28627378188000
source count: 2
confidence: 0.4

value: Q1264450
source count: 3
confidence: 0.6
value label: J2000.0

value:
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  amount: +216.071
source count: 2
confidence: 0.4

value:
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  amount: +376.019
source count: 2
confidence: 0.4

source: SIMBAD
stated in qid: Q654724

source: Masses and radii for the three super-Earths orbiting GJ 9827, and implications for the composition of small exoplanets
stated in qid: Q63376820

source: A System of Three Super Earths Transiting the Late K-Dwarf GJ 9827 at 30 pc
stated in qid: Q59250596

source: Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems
stated in qid: Q117706928

source: Three Super-Earths Transiting the Nearby Star GJ 9827
stated in qid: Q57702892

source: Mass determination of the 1:3:5 near-resonant planets transiting GJ 9827 (K2-135)
stated in qid: Q69205739

source: The compact multi-planet system GJ 9827 revisited with ESPRESSO
stated in qid: Q124331934

source: Extrasolar Planets Encyclopaedia
stated in qid: Q1385430

source: Clouds and Clarity: Revisiting Atmospheric Feature Trends in Neptune-size Exoplanets
stated in qid: Q125030537

source: Exoplanet Archive
stated in qid: Q5420639

source: Physical Parameters of the Multiplanet Systems HD 106315 and GJ 9827
stated in qid: Q105498660

source: Gaia Data Release 2
stated in qid: Q51905050

wikidata id: Q85187719
domain: exoplanet
level: standard
html url: https://4ort.xyz/entity/gj-9827-d
markdown url: https://4ort.xyz/entity/gj-9827-d.md
facts url summary: https://4ort.xyz/entity/gj-9827-d/facts.json
facts url standard: https://4ort.xyz/entity/gj-9827-d/facts.json
facts url full: https://4ort.xyz/entity/gj-9827-d/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-02T19:18:52.504645Z
entity updated at: 2026-05-03T21:19:00.258443+00:00Z
entity created at: 2026-05-03T14:46:17.437795+00:00Z