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78499 (2002 RQ74)
Classification: Main-belt Asteroid          SPK-ID: 2078499
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101472755526405 5.1733e-08  
a 2.288306885393626 9.9317e-09 au
q 2.056106080242689 1.1639e-07 au
i 6.483086833357841 5.2467e-06 deg
node 350.2479393641772 3.5032e-05 deg
peri 152.0626569569864 4.0095e-05 deg
M 250.0292385049079 2.0698e-05 deg
tp 2459386.728715268459
(2021-Jun-21.22871527)
7.3622e-05 TDB
period 1264.357321949167
3.46
8.2314e-06
2.254e-08
d
yr
n .2847296359584602 1.8537e-09 deg/d
Q 2.520507690544563 1.094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      7687 days (21.05 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:37  

Additional Information
 Earth MOID = 1.07053 au 
 Jupiter MOID = 2.48176 au 
 T_jup = 3.585 
[ 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 15.9   n/a MPO324993  

78499 (2002 RQ74)          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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