(24978) 1998 HJ151

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The correct title of this article is (24978) 1998 HJ151. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
(24978) 1998 HJ151
Discovery A
Discoverer Jane X. Luu, Chadwick A. Trujillo, David J. Tholen, and David C. Jewitt
Discovery date April 28, 1998
Alternate
designations
B
none
Category TNO (cubewano)
Orbital elements C
Epoch
Eccentricity (e) 0.052
Semi-major axis (a) 6524.567172 Gm (43.614 AU)
Perihelion (q) 6184.231722 Gm (41.339 AU)
Aphelion (Q) 6864.902622 Gm (45.889 AU)
Orbital period (P) d a
Mean orbital speed
Inclination (i) 2.4°
Longitude of the
ascending node
(Ω)
50.4°
Argument of
perihelion
(ω)
133.0°
Mean anomaly (M) 53.5°
Physical characteristics D
Dimensions 139 km[1]
Mass
Density
Surface gravity
Escape velocity
Rotation period
Spectral class
Absolute magnitude 7.5
Albedo (geometric)
Mean surface
temperature
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(24978) 1998 HJ151, also written as (24978) 1998 HJ151, is a cubewano. It has a perihelion (closest approach to the Sun) at 41.339 AU and an aphelion (farthest approach to the Sun) at 45.889 AU. It has a diameter of about 139 km. It was discovered on April 28, 1998 by Jane X. Luu, Chadwick A. Trujillo, David J. Tholen and David C. Jewitt.

[edit] References

  1. ^ List of known trans-Neptunian objects

1 ^http://cfa-www.harvard.edu/iau/lists/TNOs.html

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