481 Emita

481 Emita
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	12 February 1902
Designations
Alternative designations	1902 HP
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	110.33 yr (40299 d)
Aphelion	3.1702 AU (474.26 Gm)
Perihelion	2.3130 AU (346.02 Gm)
Semi-major axis	2.7416 AU (410.14 Gm)
Eccentricity	0.15633
Orbital period (sidereal)	4.54 yr (1658.1 d)
Mean anomaly	141.033°
Mean motion	0° 13m 1.632s / day
Inclination	9.8399°
Longitude of ascending node	66.753°
Argument of perihelion	349.783°
Physical characteristics
Dimensions	107.23 ± 4.71 km (composite estimate)
Mass	(1.14±0.25)×1018 kg
Mean density	2.07 g/cm3
Synodic rotation period	14.35 h (0.598 d)
Absolute magnitude (H)	8.66, 8.8

481 Emita is a minor planet orbiting the Sun that was discovered by the Italian astronomer Luigi Carnera on February 12, 1902. The meaning of the asteroid's proper name remains unknown.

Notes

↑ Calculated from its standard gravitational parameter GM = 0.076±0.017 km³/s².
↑ Assuming a diameter of 102 km.

References

1 2 Yeomans, Donald K., "481 Emita", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 9 May 2016.
↑ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
1 2 Fuentes-Muñoz, Oscar; Farnocchia, Davide; Giorgini, Jon D.; Park, Ryan S. (1 December 2025). "Asteroid Mass Estimation by Mutual Perturbations During Close Encounters After Gaia Focused Product Release". The Astronomical Journal. 170 (6): 353. Bibcode:2025AJ....170..353F. doi:10.3847/1538-3881/ae0cc9. ISSN 0004-6256. S2CID 283347135.
↑ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34 (4): 113–119, Bibcode:2007MPBu...34..113W.
↑ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names, Springer, p. 51, ISBN 978-3642297182.

External links

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

This article about a C-type asteroid native to the asteroid belt is a stub. You can help Wikipedia by adding missing information.

[4] Calculated from its standard gravitational parameter GM = 0.076±0.017 km³/s².

[5] Assuming a diameter of 102 km.

[JPL-1] 1 2 Yeomans, Donald K., "481 Emita", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 9 May 2016.

[Carry2012-2] Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.

[Fuentes-Muñoz2025-3] 1 2 Fuentes-Muñoz, Oscar; Farnocchia, Davide; Giorgini, Jon D.; Park, Ryan S. (1 December 2025). "Asteroid Mass Estimation by Mutual Perturbations During Close Encounters After Gaia Focused Product Release". The Astronomical Journal. 170 (6): 353. Bibcode:2025AJ....170..353F. doi:10.3847/1538-3881/ae0cc9. ISSN 0004-6256. S2CID 283347135.

[Warner2007-6] Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34 (4): 113–119, Bibcode:2007MPBu...34..113W.

[Schmadel2012-7] Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names, Springer, p. 51, ISBN 978-3642297182.