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(589683) 2010 RF43

Trans-Neptunian object

Field	Value
minorplanet	yes
name
background	#C2E0FF
image	(589683) 2010 RF43 orbit diagram jpl.png
caption	Orbit diagram of
discovery_ref
discoverer	D. L. Rabinowitz
M. Schwamb
S. Tourtellotte
discovery_site	La Silla Obs.
discovered	6 September 2010
mpc_name	(589683)
alt_names
mp_category	TNOSDOdistant
orbit_ref
epoch	31 May 2020 (JD 2459000.5)
uncertainty	2
observation_arc	46.17 yr (~16,860 days)
earliest_precovery_date	19 August 1976
aphelion	61.903 AU
perihelion	37.482 AU
semimajor	49.692 AU
eccentricity	0.2457
period	350.30 yr (127,948 d)
mean_anomaly	97.520°
mean_motion	/ day
inclination	30.638°
asc_node	25.320°
arg_peri	193.480°
satellites	0
mean_diameter	(estimate)
albedo	0.09 (assumed)
0.11 (assumed)
abs_magnitude	3.81

M. Schwamb S. Tourtellotte 0.11 (assumed)

**** (provisional designation ****) is a large trans-Neptunian object orbiting in the scattered disc in the outermost regions of the Solar System. The object was discovered on 9 September 2010, by American astronomers David Rabinowitz, Megan Schwamb and Suzanne Tourtellotte at ESO's La Silla Observatory in northern Chile.

has not yet been imaged by high-resolution telescopes, so it has no known moons. The Hubble Space Telescope is planned to image in 2026, which should determine if it has significantly sized moons.

Orbit and classification

orbits the Sun at a distance of 37.5–61.9 AU once every 350 years and 4 months (127,948 days; semi-major axis of 49.7 AU). Its orbit has an eccentricity of 0.25 and an inclination of 31° with respect to the ecliptic. The body's observation arc begins with a precovery observation taken at Siding Spring Observatory in August 1976.

Due to its relatively high eccentricity and inclination, it is an object of the scattered disc rather than one of the regular Kuiper belt. Its perihelion of 37.5 AU is also too low to make it a detached object, which typically stay above 40 AU and never come close to the orbit of Neptune.

Numbering and naming

This minor planet was numbered by the Minor Planet Center on 20 September 2021, receiving the number in the minor planet catalog (M.P.C. 135075). , it has not been named.

Physical characteristics

Diameter and albedo

Johnston's Archive estimates a mean diameter of approximately 650 km. This number has changed as the reported albedo has changed.

Rotation period

As of 2020, no rotational lightcurve of this object has been obtained from photometric observations. The object's rotation period, pole and shape remain unknown.

References

Buie. Marc W.. "Orbit Fit and Astrometric record for 10RF43". SwRI (Space Science Department). link

Info: 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.

scattered-disc-and-detached-objects discoveries-by-david-l.-rabinowitz discoveries-by-megan-e.-schwamb discoveries-by-suzanne-w.-tourtellotte possible-dwarf-planets astronomical-objects-discovered-in-2010

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