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187664 (2007 WQ52)
Classification: Main-belt Asteroid          SPK-ID: 2187664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03324327623665625 4.8719e-08  
a 2.795164552209679 2.3635e-08 au
q 2.702244124873663 1.2869e-07 au
i 4.923023988377114 5.7491e-06 deg
node 321.8219006512354 5.6425e-05 deg
peri 308.8038485346104 0.00011013 deg
M 178.5245252229552 9.6052e-05 deg
tp 2458354.043034979410
(2018-Aug-23.54303498)
0.00045405 TDB
period 1706.905575168729
4.67
2.165e-05
5.927e-08
d
yr
n .2109079759519877 2.6751e-09 deg/d
Q 2.888084979545695 2.4421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:08  

Additional Information
 Earth MOID = 1.68747 au 
 Jupiter MOID = 2.15882 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO459847  

187664 (2007 WQ52)          Discovered 2007-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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