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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9544802863504322 3.7622e-06  
a 53.92018994246256 0.0044638 au
q 2.454431606111199 1.0385e-06 au
i 118.9699653540472 3.7558e-05 deg
node 39.26258361481651 1.2948e-05 deg
peri 357.7891276883871 7.4554e-05 deg
M 15.06119634834125 0.0018706 deg
tp 2452550.121884434922
(2002-Oct-02.62188443)
0.00024802 TDB
period 144619.0641982644
395.95
17.958
0.04917
d
yr
n .002489298364608838 3.0912e-07 deg/d
Q 105.3859482788139 0.0087244 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-N16  
   condition code      2  
   norm. resid. RMS      .40834  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 17:15:30  

Additional Information
 Earth MOID = 1.4626 au 
 Jupiter MOID = 2.5241 au 
 T_jup = -0.834 
[ 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   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. 2019-January); 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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