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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9541744468219765 3.7667e-06  
a 53.66818713315346 0.004417 au
q 2.459374363438441 1.0281e-06 au
i 119.1903791874265 3.748e-05 deg
node 39.12374998335637 1.2579e-05 deg
peri 357.7213607859791 7.4419e-05 deg
M 16.68469012069336 0.0020603 deg
tp 2452544.865576254725
(2002-Sep-27.36557625)
0.00027675 TDB
period 143606.4065449199
393.17
17.729
0.04854
d
yr
n .002506851948052836 3.0948e-07 deg/d
Q 104.8769999028685 0.0086316 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 = 1.46711 au 
 Jupiter MOID = 2.51719 au 
 T_jup = -0.840 
[ 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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