(22801) 1999 NP39

asteroid

Place asteroid Q5389954

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(22801) 1999 NP39

Summary

(22801) 1999 NP39 is an asteroid^[1].

Key Facts

(22801) 1999 NP39 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(22801) 1999 NP39's instance of is recorded as asteroid^[3].
(22801) 1999 NP39's site of astronomical discovery is recorded as Experimental Test Site^[4].
(22801) 1999 NP39's follows is recorded as (22800) 1999 NY22^[5].
(22801) 1999 NP39's followed by is recorded as 22802 Sigiriya^[6].
(22801) 1999 NP39's minor planet group is recorded as asteroid belt^[7].
(22801) 1999 NP39's parent astronomical body is recorded as Sun^[8].
(22801) 1999 NP39's provisional designation is recorded as 1999 NP39^[9].
(22801) 1999 NP39's time of discovery or invention is recorded as +1999-07-14T00:00:00Z^[10].
(22801) 1999 NP39's JPL Small-Body Database SPK-ID is recorded as 20022801^[11].
(22801) 1999 NP39's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.26'}^[12].
(22801) 1999 NP39's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2585622'}^[13].
(22801) 1999 NP39's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.258367132627924'}^[14].
(22801) 1999 NP39's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.1'}^[15].
(22801) 1999 NP39's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.27'}^[16].
(22801) 1999 NP39's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.67880'}^[17].
(22801) 1999 NP39's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.677034268056905'}^[18].
(22801) 1999 NP39's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.79'}^[19].
(22801) 1999 NP39's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1383.84506386572'}^[20].
(22801) 1999 NP39's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+349.57622'}^[21].
(22801) 1999 NP39's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+349.5476538654947'}^[22].
(22801) 1999 NP39's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.4298719'}^[23].
(22801) 1999 NP39's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.430297059355498'}^[24].
(22801) 1999 NP39's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.058'}^[25].
(22801) 1999 NP39's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.058205942015254'}^[26].

Body

Designation and Status

(22801) 1999 NP39's instance of is recorded as asteroid^[3].

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Quick Facts

Instance of asteroid

Follows (22800) 1999 NY22

Followed by 22802 Sigiriya

Properties

Absolute magnitude unit: 1, amount: +15.1, unit: 1, amount: +15.27

Albedo unit: 1, amount: +0.093

Apoapsis unit: www.wikidata.org, amount: +3.058, unit: www.wikidata.org, amount: +3.058205942015254

Argument of periapsis unit: www.wikidata.org, amount: +36.77802, unit: www.wikidata.org, amount: +36.661394080913

Diameter unit: www.wikidata.org, amount: +4.367

Discoverer or inventor Lincoln Near-Earth Asteroid Research

Epoch November 21, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +349.57622, unit: www.wikidata.org, amount: +349.5476538654947

Mean anomaly unit: www.wikidata.org, amount: +26.62059, unit: www.wikidata.org, amount: +291.3772185481

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.26, unit: 1, amount: +0.2585622, unit: 1, amount: +0.258367132627924

Orbital inclination unit: www.wikidata.org, amount: +4.67880, unit: www.wikidata.org, amount: +4.677034268056905

Orbital period unit: www.wikidata.org, amount: +3.79, unit: www.wikidata.org, amount: +1383.84506386572

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +1.8015989, unit: www.wikidata.org, amount: +1.802388176695743

Provisional designation 1999 NP39

Semi-major axis of an orbit unit: www.wikidata.org, amount: +2.4298719, unit: www.wikidata.org, amount: +2.430297059355498

Site of astronomical discovery Experimental Test Site

Time of discovery or invention July 14, 1999

Time of periapsis unit: www.wikidata.org, amount: +2461264.2869371693

External References (4)

Google knowledge graph id /g/11gk8y5bfm

Jpl small-body database spk-id 20022801

Minor planet center body id 22801

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet22801Provisional1999NP39"]

🌐 Available in 4 languages

ar(22801) 1999 NP39 arz(22801) 1999 NP39 (كويكب) fr(22801) 1999 NP39 pt(22801) 1999 NP39

References

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

Direct Wikidata claims

[3] ↑ (22801) 1999 NP39 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-03-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (22801) 1999 NP39 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2024-03-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (22801) 1999 NP39 — site of astronomical discovery (P65): Experimental Test Site. JPL Small-Body Database. Retrieved 2024-05-19. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (22801) 1999 NP39 — follows (P155): (22800) 1999 NY22. wikidata.org.
[6] ↑ (22801) 1999 NP39 — followed by (P156): 22802 Sigiriya. wikidata.org.
[7] ↑ (22801) 1999 NP39 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-03-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (22801) 1999 NP39 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (22801) 1999 NP39 — provisional designation (P490): 1999 NP39. JPL Small-Body Database. Retrieved 2024-03-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (22801) 1999 NP39 — time of discovery or invention (P575): +1999-07-14T00:00:00Z. JPL Small-Body Database. Retrieved 2024-03-23. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (22801) 1999 NP39 — JPL Small-Body Database SPK-ID (P716): 20022801. JPL Small-Body Database. Retrieved 2024-03-23. wikidata.org.
[12] ↑ (22801) 1999 NP39 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.26'}. wikidata.org.
[13] ↑ (22801) 1999 NP39 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.2585622'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[14] ↑ (22801) 1999 NP39 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.258367132627924'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (22801) 1999 NP39 — absolute magnitude (P1457): {'unit': '1', 'amount': '+15.1'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (22801) 1999 NP39 — absolute magnitude (P1457): {'unit': '1', 'amount': '+15.27'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (22801) 1999 NP39 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.67880'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (22801) 1999 NP39 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.677034268056905'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (22801) 1999 NP39 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.79'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (22801) 1999 NP39 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1383.84506386572'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (22801) 1999 NP39 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+349.57622'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[22] ↑ (22801) 1999 NP39 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+349.5476538654947'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[23] ↑ (22801) 1999 NP39 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.4298719'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[24] ↑ (22801) 1999 NP39 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.430297059355498'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[25] ↑ (22801) 1999 NP39 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.058'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[26] ↑ (22801) 1999 NP39 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.058205942015254'}. JPL Small-Body Database. Retrieved 2025-12-25. ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

[1] ↑ (22801) 1999 NP39 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). (22801) 1999 NP39. Retrieved May 3, 2026, from https://4ort.xyz/entity/-22801-1999-np39

MLA “(22801) 1999 NP39.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-22801-1999-np39.

BibTeX

@misc{4ortxyz_-22801-1999-np39_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(22801) 1999 NP39}}, year = {2026}, url = {https://4ort.xyz/entity/-22801-1999-np39}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (22801) 1999 NP39 — https://4ort.xyz/entity/-22801-1999-np39 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-22801-1999-np39 · Last refreshed: May 3, 2026