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74651 (1999 RU82)
Classification: Main-belt Asteroid          SPK-ID: 2074651
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2633870691245682 5.2376e-08  
a 2.551541542423399 1.5825e-08 au
q 1.87949849381492 1.3577e-07 au
i 8.157710283511481 1.0026e-05 deg
node 336.5939594446132 3.5646e-05 deg
peri 47.8065488164038 4.4372e-05 deg
M 11.87783399888655 2.9713e-05 deg
tp 2458951.382399444812
(2020-Apr-11.88239944)
0.00012253 TDB
period 1488.683559774038
4.08
1.3849e-05
3.792e-08
d
yr
n .2418243942014401 2.2497e-09 deg/d
Q 3.223584591031878 1.9993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      8293 days (22.70 yr)  
   first obs. used      1995-09-03  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59487  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:11:22  

Additional Information
 Earth MOID = .893461 au 
 Jupiter MOID = 2.2961 au 
 T_jup = 3.377 
[ 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 16.2   n/a MPO400702  

74651 (1999 RU82)          Discovered 1999-Sep-07 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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