(38443) 1999 SM7

asteroid

Place asteroid Q7472664

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(38443) 1999 SM7

Summary

(38443) 1999 SM7 is an asteroid^[1].

Key Facts

(38443) 1999 SM7 is credited with the discovery of Lincoln Near-Earth Asteroid Research^[2].
(38443) 1999 SM7's instance of is recorded as asteroid^[3].
(38443) 1999 SM7's site of astronomical discovery is recorded as Experimental Test Site^[4].
(38443) 1999 SM7's follows is recorded as 38442 Szilárd^[5].
(38443) 1999 SM7's followed by is recorded as (38444) 1999 SY9^[6].
(38443) 1999 SM7's minor planet group is recorded as asteroid belt^[7].
(38443) 1999 SM7's parent astronomical body is recorded as Sun^[8].
(38443) 1999 SM7's provisional designation is recorded as 1999 SM7^[9].
(38443) 1999 SM7's time of discovery or invention is recorded as +1999-09-29T00:00:00Z^[10].
(38443) 1999 SM7's JPL Small-Body Database SPK-ID is recorded as 20038443^[11].
(38443) 1999 SM7's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.11'}^[12].
(38443) 1999 SM7's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1085718'}^[13].
(38443) 1999 SM7's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.108685477597358'}^[14].
(38443) 1999 SM7's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.8'}^[15].
(38443) 1999 SM7's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.87'}^[16].
(38443) 1999 SM7's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+11.03988'}^[17].
(38443) 1999 SM7's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+11.06535562546014'}^[18].
(38443) 1999 SM7's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.15'}^[19].
(38443) 1999 SM7's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1876.533709659233'}^[20].
(38443) 1999 SM7's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+127.78227'}^[21].
(38443) 1999 SM7's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+127.5258422164312'}^[22].
(38443) 1999 SM7's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.9813787'}^[23].
(38443) 1999 SM7's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.977409906407891'}^[24].
(38443) 1999 SM7's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.305'}^[25].
(38443) 1999 SM7's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.301011124088938'}^[26].

Body

Designation and Status

(38443) 1999 SM7's instance of is recorded as asteroid^[3].

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Quick Facts

Instance of asteroid

Follows 38442 Szilárd

Followed by (38444) 1999 SY9

Properties

Absolute magnitude unit: 1, amount: +13.8, unit: 1, amount: +13.87

Albedo unit: 1, amount: +0.121

Apoapsis unit: www.wikidata.org, amount: +3.305, unit: www.wikidata.org, amount: +3.301011124088938

Argument of periapsis unit: www.wikidata.org, amount: +270.93108, unit: www.wikidata.org, amount: +273.4473542586276

Diameter unit: www.wikidata.org, amount: +8.272

Discoverer or inventor Lincoln Near-Earth Asteroid Research

Epoch May 5, 2025

Imported from wholeness_audit_2026-05-02

Longitude of ascending node unit: www.wikidata.org, amount: +127.78227, unit: www.wikidata.org, amount: +127.5258422164312

Mean anomaly unit: www.wikidata.org, amount: +169.71157, unit: www.wikidata.org, amount: +305.6154694770334

Minor planet group asteroid belt

Orbital eccentricity unit: 1, amount: +0.11, unit: 1, amount: +0.1085718, unit: 1, amount: +0.108685477597358

Orbital inclination unit: www.wikidata.org, amount: +11.03988, unit: www.wikidata.org, amount: +11.06535562546014

Orbital period unit: www.wikidata.org, amount: +5.15, unit: www.wikidata.org, amount: +1876.533709659233

Parent astronomical body Sun

Periapsis unit: www.wikidata.org, amount: +2.6576851, unit: www.wikidata.org, amount: +2.653808688726845

Provisional designation 1999 SM7

Semi-major axis of an orbit unit: www.wikidata.org, amount: +2.9813787, unit: www.wikidata.org, amount: +2.977409906407891

Site of astronomical discovery Experimental Test Site

Time of discovery or invention September 29, 1999

Time of periapsis unit: www.wikidata.org, amount: +2461083.9844578067

External References (4)

Google knowledge graph id /g/123852hs

Jpl small-body database spk-id 20038443

Minor planet center body id 38443

Wolfram language entity code Entity["MinorPlanet", "MinorPlanet38443Provisional1999SM7"]

🌐 Available in 4 languages

ar(38443) 1999 SM7 arz(38443) 1999 SM7 (كويكب) fr(38443) 1999 SM7 pt(38443) 1999 SM7

References

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

Direct Wikidata claims

[3] ↑ (38443) 1999 SM7 — instance of (P31): asteroid. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[2] ↑ (38443) 1999 SM7 — discoverer or inventor (P61): Lincoln Near-Earth Asteroid Research. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[4] ↑ (38443) 1999 SM7 — site of astronomical discovery (P65): Experimental Test Site. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[5] ↑ (38443) 1999 SM7 — follows (P155): 38442 Szilárd. wikidata.org.
[6] ↑ (38443) 1999 SM7 — followed by (P156): (38444) 1999 SY9. wikidata.org.
[7] ↑ (38443) 1999 SM7 — minor planet group (P196): asteroid belt. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[8] ↑ (38443) 1999 SM7 — parent astronomical body (P397): Sun. wikidata.org.
[9] ↑ (38443) 1999 SM7 — provisional designation (P490): 1999 SM7. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[10] ↑ (38443) 1999 SM7 — time of discovery or invention (P575): +1999-09-29T00:00:00Z. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[11] ↑ (38443) 1999 SM7 — JPL Small-Body Database SPK-ID (P716): 20038443. JPL Small-Body Database. Retrieved 2024-04-16. wikidata.org.
[12] ↑ (38443) 1999 SM7 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.11'}. wikidata.org.
[13] ↑ (38443) 1999 SM7 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.1085718'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[14] ↑ (38443) 1999 SM7 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.108685477597358'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[15] ↑ (38443) 1999 SM7 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.8'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[16] ↑ (38443) 1999 SM7 — absolute magnitude (P1457): {'unit': '1', 'amount': '+13.87'}. JPL Small-Body Database. Retrieved 2024-04-16. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[17] ↑ (38443) 1999 SM7 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+11.03988'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[18] ↑ (38443) 1999 SM7 — orbital inclination (P2045): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+11.06535562546014'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[19] ↑ (38443) 1999 SM7 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.15'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[20] ↑ (38443) 1999 SM7 — orbital period (P2146): {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1876.533709659233'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[21] ↑ (38443) 1999 SM7 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+127.78227'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[22] ↑ (38443) 1999 SM7 — longitude of ascending node (P2213): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+127.5258422164312'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[23] ↑ (38443) 1999 SM7 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.9813787'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[24] ↑ (38443) 1999 SM7 — semi-major axis of an orbit (P2233): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.977409906407891'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.
[25] ↑ (38443) 1999 SM7 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.305'}. minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
[26] ↑ (38443) 1999 SM7 — apoapsis (P2243): {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.301011124088938'}. JPL Small-Body Database. Retrieved 2025-04-02. ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

[1] ↑ (38443) 1999 SM7 is an instance of asteroid (Q3863) [P31, primary]. Wikidata. wikidata.org.

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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). (38443) 1999 SM7. Retrieved May 3, 2026, from https://4ort.xyz/entity/-38443-1999-sm7

MLA “(38443) 1999 SM7.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-38443-1999-sm7.

BibTeX

@misc{4ortxyz_-38443-1999-sm7_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(38443) 1999 SM7}}, year = {2026}, url = {https://4ort.xyz/entity/-38443-1999-sm7}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (38443) 1999 SM7 — https://4ort.xyz/entity/-38443-1999-sm7 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-38443-1999-sm7 · Last refreshed: May 3, 2026