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65407 (2002 RP120)
Classification: TransNeptunian Object          SPK-ID: 2065407
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .954790695703723 3.4787e-06  
a 54.66240968301057 0.0042192 au
q 2.471249512926984 1.0899e-06 au
i 118.95800099837 3.1352e-05 deg
node 39.26842522907333 1.1864e-05 deg
peri 357.9687883177644 7.1832e-05 deg
M 12.30454621442279 0.0014248 deg
tp 2452555.110639481795
(2002-Oct-07.61063948)
0.00021037 JED
period 147615.3722481475
404.15
17.091
0.04679
d
yr
n .002438770397129272 2.8236e-07 deg/d
Q 106.8535698530942 0.0082476 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      1225 days (3.35 yr)  
   first obs. used      2001-02-13  
   last obs. used      2004-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .43079  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 11:38:18  

Additional Information
 Earth MOID = 1.47836 au 
 Jupiter MOID = 2.50553 au 
 T_jup = -0.838 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO66046  
diameter diameter 14.6 km 2.8 Fernandez et al. (2005) Astron.J. 130:308-318  
rotation period rot_per 200. h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.098   0.036 Fernandez et al. (2005) Astron.J. 130:308-318  

65407 (2002 RP120)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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