(31403) 1999 AV

asteroid

Place asteroid Q6707478

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(31403) 1999 AV

Summary

(31403) 1999 AV is an asteroid^[1].

Key Facts

(31403) 1999 AV is credited with the discovery of Takao Kobayashi^[2].
(31403) 1999 AV's instance of is recorded as asteroid^[3].
(31403) 1999 AV's site of astronomical discovery is recorded as Ōizumi Observatory^[4].
(31403) 1999 AV's follows is recorded as 31402 Negishi^[5].
(31403) 1999 AV's followed by is recorded as (31404) 1999 AL1^[6].
(31403) 1999 AV's minor planet group is recorded as asteroid belt^[7].
(31403) 1999 AV's parent astronomical body is recorded as Sun^[8].
(31403) 1999 AV's provisional designation is recorded as 1992 EY36^[9].
(31403) 1999 AV's provisional designation is recorded as 1999 AV^[10].
(31403) 1999 AV's time of discovery or invention is recorded as +1999-01-07T00:00:00Z^[11].
(31403) 1999 AV's JPL Small-Body Database SPK-ID is recorded as 20031403^[12].
(31403) 1999 AV's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.19'}^[13].
(31403) 1999 AV's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1921635'}^[14].
(31403) 1999 AV's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1898375182050042'}^[15].
(31403) 1999 AV's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.0'}^[16].
(31403) 1999 AV's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.12'}^[17].
(31403) 1999 AV's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.25469'}^[18].
(31403) 1999 AV's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.24794593640345'}^[19].
(31403) 1999 AV's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.59'}^[20].
(31403) 1999 AV's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1312.594704590728'}^[21].
(31403) 1999 AV's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.38560'}^[22].
(31403) 1999 AV's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.340289686051895'}^[23].
(31403) 1999 AV's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3443132'}^[24].
(31403) 1999 AV's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.346144807958387'}^[25].
(31403) 1999 AV's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.795'}^[26].

Body

Designation and Status

(31403) 1999 AV's instance of is recorded as asteroid^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of asteroid

Follows 31402 Negishi

Followed by (31404) 1999 AL1

Properties

Absolute magnitude unit: 1, amount: +15.0, unit: 1, amount: +15.12

Albedo unit: 1, amount: +0.269

Apoapsis unit: www.wikidata.org, amount: +2.795, unit: www.wikidata.org, amount: +2.791531115650763

Argument of periapsis unit: www.wikidata.org, amount: +146.89886, unit: www.wikidata.org, amount: +147.2520448612883

Diameter unit: www.wikidata.org, amount: +2.941

Discoverer or inventor Takao Kobayashi

Epoch May 5, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +4.38560, unit: www.wikidata.org, amount: +4.340289686051895

Mean anomaly unit: www.wikidata.org, amount: +209.57244, unit: www.wikidata.org, amount: +92.81064015019115

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.19, unit: 1, amount: +0.1921635, unit: 1, amount: +0.1898375182050042

Orbital inclination unit: www.wikidata.org, amount: +3.25469, unit: www.wikidata.org, amount: +3.24794593640345

Orbital period unit: www.wikidata.org, amount: +3.59, unit: www.wikidata.org, amount: +1312.594704590728

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +1.8938217, unit: www.wikidata.org, amount: +1.900758500266011

Provisional designation 1992 EY36, 1999 AV

Semi-major axis of an orbit unit: www.wikidata.org, amount: +2.3443132, unit: www.wikidata.org, amount: +2.346144807958387

Site of astronomical discovery Ōizumi Observatory

Time of discovery or invention January 7, 1999

Time of periapsis unit: www.wikidata.org, amount: +2460462.1034589144

External References (4)

Google knowledge graph id /g/11g2tqtfyt

Jpl small-body database spk-id 20031403

Minor planet center body id 31403

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet31403Provisional1999AV"]

🌐 Available in 4 languages

ar(31403) 1999 AV arz(31403) 1999 AV (كويكب) fr(31403) 1999 AV pt(31403) 1999 AV

References

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

Direct Wikidata claims

[3] ↑ (31403) 1999 AV — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (31403) 1999 AV — discoverer or inventor (P61): Takao Kobayashi. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (31403) 1999 AV — site of astronomical discovery (P65): Ōizumi Observatory. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (31403) 1999 AV — follows (P155): 31402 Negishi. wikidata.org.
[6] ↑ (31403) 1999 AV — followed by (P156): (31404) 1999 AL1. wikidata.org.
[7] ↑ (31403) 1999 AV — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (31403) 1999 AV — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (31403) 1999 AV — provisional designation (P490): 1992 EY36. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (31403) 1999 AV — provisional designation (P490): 1999 AV. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (31403) 1999 AV — time of discovery or invention (P575): +1999-01-07T00:00:00Z. JPL Small-Body Database. Retrieved 2024-04-05. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[12] ↑ (31403) 1999 AV — JPL Small-Body Database SPK-ID (P716): 20031403. JPL Small-Body Database. Retrieved 2024-04-05. wikidata.org.
[13] ↑ (31403) 1999 AV — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.19'}. wikidata.org.
[14] ↑ (31403) 1999 AV — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.1921635'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[15] ↑ (31403) 1999 AV — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.1898375182050042'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[16] ↑ (31403) 1999 AV — absolute magnitude (P1457): {'unit': '1', 'amount': '+15.0'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[17] ↑ (31403) 1999 AV — absolute magnitude (P1457): {'unit': '1', 'amount': '+15.12'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[18] ↑ (31403) 1999 AV — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.25469'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[19] ↑ (31403) 1999 AV — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.24794593640345'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[20] ↑ (31403) 1999 AV — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.59'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[21] ↑ (31403) 1999 AV — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1312.594704590728'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[22] ↑ (31403) 1999 AV — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.38560'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[23] ↑ (31403) 1999 AV — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.340289686051895'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[24] ↑ (31403) 1999 AV — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3443132'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[25] ↑ (31403) 1999 AV — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.346144807958387'}. JPL Small-Body Database. Retrieved 2025-03-31. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[26] ↑ (31403) 1999 AV — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.795'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

[1] ↑ (31403) 1999 AV 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). (31403) 1999 AV. Retrieved May 3, 2026, from https://4ort.xyz/entity/-31403-1999-av

MLA “(31403) 1999 AV.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-31403-1999-av.

BibTeX

@misc{4ortxyz_-31403-1999-av_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(31403) 1999 AV}}, year = {2026}, url = {https://4ort.xyz/entity/-31403-1999-av}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (31403) 1999 AV — https://4ort.xyz/entity/-31403-1999-av (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-31403-1999-av · Last refreshed: May 3, 2026