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JPL Small-Body Database Browser
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461021 (2014 WQ407)
Classification: Main-belt Asteroid          SPK-ID: 2461021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734434525783675 9.4412e-08  
a 3.18696859575607 8.0864e-08 au
q 2.634209759249305 3.3656e-07 au
i 17.50227472208265 1.0298e-05 deg
node 80.14074212850286 2.6821e-05 deg
peri 292.3203254845047 4.4036e-05 deg
M 323.8689007225427 2.8851e-05 deg
tp 2458809.066127284619
(2019-Nov-21.56612728)
0.00016463 TDB
period 2078.093590396476
5.69
7.9092e-05
2.165e-07
d
yr
n .1732357010596987 6.5933e-09 deg/d
Q 3.739727432262834 9.4889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      6161 days (16.87 yr)  
   first obs. used      2002-10-08  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 17:35:18  

Additional Information
 Earth MOID = 1.69465 au 
 Jupiter MOID = 1.90494 au 
 T_jup = 3.103 
[ 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 MPO324187  

461021 (2014 WQ407)          Discovered 2008-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-02-25

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