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1999 XS35

Near-Earth asteroid

Summary

Near-Earth asteroid

Field	Value
minorplanet	yes
background	#FFC2E0
name
image	Damocloid-99XS35.png
caption	The comet-like orbit of
discovery_ref
discoverer	LONEOS
discovered	2 December 1999
mpc_name
mp_category	PHA
Apollo
orbit_ref
epoch	21 November 2025 (JD 2461000.5)
uncertainty	5
aphelion	34.690 AU
(beyond Neptune)
perihelion	0.93889 AU
semimajor	17.815 AU
eccentricity	0.94730
period	75.19 yr (27464 d)
inclination	19.608°
asc_node	48.816°
mean_anomaly	124.72°
mean_motion	/day (n)
arg_peri	333.27°
moid	0.00018624 AU
tisserand	1.409
mean_diameter	(est. at 0.14)
magnitude	13.7 to 32
abs_magnitude	17.69

Apollo (beyond Neptune)

**** is a near-Earth object discovered in 1999 having a comet-like orbit. Its semi-major axis is 17.8 AU. Its orbital eccentricity is 0.94, which means that at the perihelion comes as close as 0.9 AU to the Sun, while at the aphelion it reaches beyond the orbit of Neptune. is a damocloid. is a small object with an absolute magnitude (H) of 17.2, which implies a size of about 1 km.

came to perihelion on 21 October 1999, passed 0.0453 AU from Earth on 5 November 1999, and was discovered on 2 December 1999 at about apparent magnitude 16.9.

References

Fernández, Yanga R.. (2010). "Asteroids with Comet-Like Orbits: Elements and Positions".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

apollo-asteroids damocloids minor-planet-object-articles-(unnumbered) potentially-hazardous-asteroids astronomical-objects-discovered-in-1999

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