(31604) 1999 GH4

asteroid

Place asteroid Q6710269

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(31604) 1999 GH4

Summary

(31604) 1999 GH4 is an asteroid^[1].

Key Facts

(31604) 1999 GH4 is credited with the discovery of James M. Roe^[2].
(31604) 1999 GH4's instance of is recorded as asteroid^[3].
(31604) 1999 GH4's site of astronomical discovery is recorded as Oaxaca Observatory^[4].
(31604) 1999 GH4's follows is recorded as (31603) 1999 GQ3^[5].
(31604) 1999 GH4's followed by is recorded as Q2709258^[6].
(31604) 1999 GH4's minor planet group is recorded as asteroid belt^[7].
(31604) 1999 GH4's parent astronomical body is recorded as Sun^[8].
(31604) 1999 GH4's provisional designation is recorded as 1999 GH4^[9].
(31604) 1999 GH4's time of discovery or invention is recorded as +1999-04-13T00:00:00Z^[10].
(31604) 1999 GH4's JPL Small-Body Database SPK-ID is recorded as 20031604^[11].
(31604) 1999 GH4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.07'}^[12].
(31604) 1999 GH4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0691891'}^[13].
(31604) 1999 GH4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.07028586798399762'}^[14].
(31604) 1999 GH4's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.5'}^[15].
(31604) 1999 GH4's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.56'}^[16].
(31604) 1999 GH4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.94941'}^[17].
(31604) 1999 GH4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.955837362381243'}^[18].
(31604) 1999 GH4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.64'}^[19].
(31604) 1999 GH4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1331.064033612912'}^[20].
(31604) 1999 GH4's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+13.10092'}^[21].
(31604) 1999 GH4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.37978'}^[22].
(31604) 1999 GH4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.2403884203633'}^[23].
(31604) 1999 GH4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3680735'}^[24].
(31604) 1999 GH4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.368101690517974'}^[25].
(31604) 1999 GH4's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.532'}^[26].

Body

Designation and Status

(31604) 1999 GH4's instance of is recorded as asteroid^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of asteroid

Follows (31603) 1999 GQ3

Followed by 31605 Braschi

Properties

Absolute magnitude unit: 1, amount: +14.5, unit: 1, amount: +14.56

Albedo unit: 1, amount: +0.229

Apoapsis unit: www.wikidata.org, amount: +2.532, unit: www.wikidata.org, amount: +2.534545773310402

Argument of periapsis unit: www.wikidata.org, amount: +331.62781, unit: www.wikidata.org, amount: +333.0507189752213

Diameter unit: www.wikidata.org, amount: +3.494

Discoverer or inventor James M. Roe

Epoch May 5, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +243.37978, unit: www.wikidata.org, amount: +243.2403884203633

Mean anomaly unit: www.wikidata.org, amount: +173.73431, unit: www.wikidata.org, amount: +47.35808822663695

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.07, unit: 1, amount: +0.0691891, unit: 1, amount: +0.07028586798399762

Orbital inclination unit: www.wikidata.org, amount: +5.94941, unit: www.wikidata.org, amount: +5.955837362381243

Orbital period unit: www.wikidata.org, amount: +3.64, unit: www.wikidata.org, amount: +1331.064033612912

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +2.2042286, unit: www.wikidata.org, amount: +2.201657607725546

Provisional designation 1999 GH4

Rotation period unit: www.wikidata.org, amount: +13.10092

Semi-major axis of an orbit unit: www.wikidata.org, amount: +2.3680735, unit: www.wikidata.org, amount: +2.368101690517974

Site of astronomical discovery Oaxaca Observatory

Time of discovery or invention April 13, 1999

Time of periapsis unit: www.wikidata.org, amount: +2460625.398200169

External References (4)

Google knowledge graph id /g/122vfb0g

Jpl small-body database spk-id 20031604

Minor planet center body id 31604

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet31604Provisional1999GH4"]

🌐 Available in 4 languages

ar(31604) 1999 GH4 arz(31604) 1999 GH4 (كويكب) fr(31604) 1999 GH4 pt(31604) 1999 GH4

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[3] ↑ (31604) 1999 GH4 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (31604) 1999 GH4 — discoverer or inventor (P61): James M. Roe. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (31604) 1999 GH4 — site of astronomical discovery (P65): Oaxaca Observatory. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (31604) 1999 GH4 — follows (P155): (31603) 1999 GQ3. wikidata.org.
[6] ↑ (31604) 1999 GH4 — followed by (P156): Q2709258. wikidata.org.
[7] ↑ (31604) 1999 GH4 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (31604) 1999 GH4 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (31604) 1999 GH4 — provisional designation (P490): 1999 GH4. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (31604) 1999 GH4 — time of discovery or invention (P575): +1999-04-13T00:00:00Z. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (31604) 1999 GH4 — JPL Small-Body Database SPK-ID (P716): 20031604. JPL Small-Body Database. Retrieved 2024-04-05. wikidata.org.
[12] ↑ (31604) 1999 GH4 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.07'}. wikidata.org.
[13] ↑ (31604) 1999 GH4 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.0691891'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[14] ↑ (31604) 1999 GH4 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.07028586798399762'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (31604) 1999 GH4 — absolute magnitude (P1457): {'unit': '1', 'amount': '+14.5'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (31604) 1999 GH4 — absolute magnitude (P1457): {'unit': '1', 'amount': '+14.56'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (31604) 1999 GH4 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.94941'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (31604) 1999 GH4 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.955837362381243'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (31604) 1999 GH4 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.64'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (31604) 1999 GH4 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1331.064033612912'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (31604) 1999 GH4 — rotation period (P2147): {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+13.10092'}. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[22] ↑ (31604) 1999 GH4 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.37978'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[23] ↑ (31604) 1999 GH4 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.2403884203633'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[24] ↑ (31604) 1999 GH4 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3680735'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[25] ↑ (31604) 1999 GH4 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.368101690517974'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[26] ↑ (31604) 1999 GH4 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.532'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

[1] ↑ (31604) 1999 GH4 is an instance of asteroid (Q3863) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). (31604) 1999 GH4. Retrieved May 3, 2026, from https://4ort.xyz/entity/-31604-1999-gh4

MLA “(31604) 1999 GH4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-31604-1999-gh4.

BibTeX

@misc{4ortxyz_-31604-1999-gh4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(31604) 1999 GH4}}, year = {2026}, url = {https://4ort.xyz/entity/-31604-1999-gh4}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (31604) 1999 GH4 — https://4ort.xyz/entity/-31604-1999-gh4 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-31604-1999-gh4 · Last refreshed: May 3, 2026