(85627) 1998 HP151

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(85627) 1998 HP151
Discovery
Discovered by Mauna Kea Observatory[1]
Discovery date 28 April 1998
Designations
none
TNO (cubewano)[2][3]
Orbital characteristics[4]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc 3302 days (9.04 yr)
Aphelion 47.92187 AU (7.169010 Tm)
Perihelion 40.25486 AU (6.022041 Tm)
44.08836 AU (6.595525 Tm)
Eccentricity 0.086951
292.75 yr (106926 d)
4.47 km/s
315.815°
0° 0m 12.121s / day
Inclination 1.51240°
55.9363°
249.275°
Earth MOID 39.2382 AU (5.86995 Tm)
Jupiter MOID 35.1334 AU (5.25588 Tm)
Jupiter Tisserand parameter 5.916
Physical characteristics
Dimensions 146 km[5]
Mass 3.0×1019? kg
Mean density
2.0? g/cm³
Equatorial surface gravity
0.0858? m/s²
Equatorial escape velocity
0.1623? km/s
? d
0.10?
Temperature ~42 K
?
7.4

(85627) 1998 HP151, also written as (85627) 1998 HP151 is a cubewano. It has a perihelion (closest approach to the Sun) at 40.297 AU and an aphelion (farthest approach from the Sun) of 48.306 AU. It is about 146 km in diameter. It was discovered on April 28, 1998, at the Mauna Kea Observatory, Hawaii.

References[edit]

  1. ^ List Of Transneptunian Objects
  2. ^ "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2009-10-04. 
  3. ^ Marc W. Buie. "Orbit Fit and Astrometric record for 85627". SwRI (Space Science Department). Retrieved 2009-10-04. 2007-05-13 using 37 observations 
  4. ^ "85627 (1998 HP151)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 April 2016. 
  5. ^ List of known trans-Neptunian objects

External links[edit]