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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9540825512641943 3.7727e-06  
a 53.66065484276076 0.0044148 au
q 2.463960367872232 1.0338e-06 au
i 119.2805684634739 3.7457e-05 deg
node 39.06843343635066 1.2593e-05 deg
peri 357.7183282115749 7.4457e-05 deg
M 17.1831456283891 0.0021211 deg
tp 2452543.471321548403
(2002-Sep-25.97132155)
0.0002816 TDB
period 143576.1750262173
393.09
17.718
0.04851
d
yr
n .002507379792881815 3.0943e-07 deg/d
Q 104.8573493176493 0.0086268 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .40568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:14:44  

Additional Information
 Earth MOID = 1.47208 au 
 Jupiter MOID = 2.51136 au 
 T_jup = -0.844 
[ 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. 2020-October); 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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