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173704 (2001 QG51)
Classification: Main-belt Asteroid          SPK-ID: 2173704
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2724504357104143 4.2424e-08  
a 2.593619123201866 1.6421e-08 au
q 1.886986463018655 1.1044e-07 au
i 4.263962101963704 6.7976e-06 deg
node 357.7040096213871 7.1418e-05 deg
peri 288.0060276774373 7.3015e-05 deg
M 200.5785295321956 1.986e-05 deg
tp 2459676.119282759321
(2022-Apr-06.61928276)
8.8416e-05 TDB
period 1525.659881819214
4.18
1.4489e-05
3.967e-08
d
yr
n .235963470161339 2.241e-09 deg/d
Q 3.300251783385077 2.0895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      9137 days (25.02 yr)  
   first obs. used      1993-10-12  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56355  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:27:00  

Additional Information
 Earth MOID = .876061 au 
 Jupiter MOID = 1.90629 au 
 T_jup = 3.361 
[ 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 MPO459807  

173704 (2001 QG51)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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