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78487 (2002 RO59)
Classification: Main-belt Asteroid          SPK-ID: 2078487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170948257205985 7.0436e-08  
a 3.024102124558405 2.36e-08 au
q 2.669995413321947 2.1017e-07 au
i 11.20981269328923 5.6117e-06 deg
node 19.52428662175427 2.5329e-05 deg
peri 4.200600315224126 3.3375e-05 deg
M 115.4965765398977 2.0718e-05 deg
tp 2458384.246047943713
(2018-Sep-22.74604794)
0.00010969 TDB
period 1920.848473492424
5.26
2.2485e-05
6.156e-08
d
yr
n .1874171778607085 2.1939e-09 deg/d
Q 3.378208835794863 2.6363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:32:57  

Additional Information
 Earth MOID = 1.67346 au 
 Jupiter MOID = 2.08547 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO459357  
rotation period rot_per 3.279 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

78487 (2002 RO59)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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