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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175601178775888 6.4669e-08  
a 3.022819224213312 2.1815e-08 au
q 2.667456239892154 1.9565e-07 au
i 11.21287451386255 5.6033e-06 deg
node 19.51836383307523 2.0702e-05 deg
peri 4.147174761469778 2.7083e-05 deg
M 189.7864690821465 1.9155e-05 deg
tp 2460304.128804587023
(2023-Dec-25.62880459)
0.00010644 TDB
period 1919.626294627652
5.26
2.0781e-05
5.69e-08
d
yr
n .1875365017699077 2.0301e-09 deg/d
Q 3.37818220853447 2.438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:10  

Additional Information
 Earth MOID = 1.67016 au 
 Jupiter MOID = 2.08759 au 
 T_jup = 3.206 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.05   n/a E2020-QM9  
rotation period rot_per 3.279 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:
[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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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