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74632 (1999 RQ47)
Classification: Main-belt Asteroid          SPK-ID: 2074632
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 .2129460599724985 5.0871e-08  
a 2.270042088395966 1.0149e-08 au
q 1.786645569700303 1.1298e-07 au
i 1.448736117174301 4.8782e-06 deg
node 237.1649087510041 0.00017396 deg
peri 150.942236667195 0.00017418 deg
M 339.7252373920415 1.0877e-05 deg
tp 2459070.856231319803
(2020-Aug-09.35623132)
3.8052e-05 TDB
period 1249.249807008189
3.42
8.3781e-06
2.294e-08
d
yr
n .2881729482609718 1.9326e-09 deg/d
Q 2.753438607091629 1.2311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9233 days (25.28 yr)  
   first obs. used      1994-02-10  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:06:53  

Additional Information
 Earth MOID = .791631 au 
 Jupiter MOID = 2.69498 au 
 T_jup = 3.582 
[ 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 16.0   n/a MPO474632  

74632 (1999 RQ47)          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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