995 Sternberga

995 Sternberga
Discovery
Discovered by	S. Beljavskij
Discovery site	Simeis
Discovery date	8 June 1923
Designations
Alternative designations	1923 NP
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	112.34 yr (41031 days)
Aphelion	3.0547 AU (456.98 Gm)
Perihelion	2.1748 AU (325.35 Gm)
Semi-major axis	2.6148 AU (391.17 Gm)
Eccentricity	0.16825
Orbital period (sidereal)	4.23 yr (1544.4 d)
Mean anomaly	306.02°
Mean motion	0° 13m 59.196s / day
Inclination	13.054°
Longitude of ascending node	221.747°
Argument of perihelion	122.464°
Physical characteristics
Mean diameter	25.5+1.1; −1.4 km; (pole solution 1); 25.2+1.1; −0.9 km; (pole solution 2)
Synodic rotation period	11.19511±0.00012 h; (pole solution 1); 11.19512±0.00008 h; (pole solution 2)
Pole ecliptic longitude	27° ± 3° or 222° ± 4°
Pole ecliptic latitude	−20° ± 6° or −26° ± 5°
Geometric albedo	0.22+0.03; −0.04; (pole solution 1); 0.226+0.005; −0.032; (pole solution 2)
Absolute magnitude (H)	10.2

995 Sternberga is a main-belt asteroid discovered in 1923 by Sergei Belyavsky at Simeiz Observatory. It was named after Russian astronomer Pavel Shternberg.

Photometric observations of this asteroid collected during 2004 show a rotation period of 15.26 ± 0.01 hours with a brightness variation of 0.15 ± 0.03 magnitude.

References

↑ "995 Sternberga (1923 NP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
1 2 3 4 5 6 7 8 Marciniak, A.; Ďurech, J.; Alí-Lagoa, V.; Ogłoza, W.; Szakáts, R.; Müller, T. G.; Molnár, L.; Pál, A.; Monteiro, F.; Arcoverde, P.; Behrend, R.; Benkhaldoun, Z.; Bernasconi, L.; Bosch, J.; Brincat, S.; et al. (October 2021). "Properties of slowly rotating asteroids from the Convex Inversion Thermophysical Model". Astronomy & Astrophysics. 654: A87. arXiv:2109.00463. Bibcode:2021A&A...654A..87M. doi:10.1051/0004-6361/202140991. ISSN 0004-6361. S2CID 237372449.
↑ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names (6th ed.), Springer, p. 85, ISBN 3642297188.
↑ Stephens, Robert D. (June 2005), "Rotational periods of 743 Eugenisis, 995 Sternberga, 1185 Nikko 2892 Filipenko, 3144 Brosche, and 3220 Murayama", The Minor Planet Bulletin, 32 (2): 27–28, Bibcode:2005MPBu...32...27S.

External links

995 Sternberga at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
995 Sternberga at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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[jpldata-1] "995 Sternberga (1923 NP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.

[Marciniak2021-2] 1 2 3 4 5 6 7 8 Marciniak, A.; Ďurech, J.; Alí-Lagoa, V.; Ogłoza, W.; Szakáts, R.; Müller, T. G.; Molnár, L.; Pál, A.; Monteiro, F.; Arcoverde, P.; Behrend, R.; Benkhaldoun, Z.; Bernasconi, L.; Bosch, J.; Brincat, S.; et al. (October 2021). "Properties of slowly rotating asteroids from the Convex Inversion Thermophysical Model". Astronomy & Astrophysics. 654: A87. arXiv:2109.00463. Bibcode:2021A&A...654A..87M. doi:10.1051/0004-6361/202140991. ISSN 0004-6361. S2CID 237372449.

[Schmadel2012-3] Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names (6th ed.), Springer, p. 85, ISBN 3642297188.

[MPB32_2_27-4] Stephens, Robert D. (June 2005), "Rotational periods of 743 Eugenisis, 995 Sternberga, 1185 Nikko 2892 Filipenko, 3144 Brosche, and 3220 Murayama", The Minor Planet Bulletin, 32 (2): 27–28, Bibcode:2005MPBu...32...27S.