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JPL Small-Body Database Browser
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201213 (2002 QZ31)
Classification: Main-belt Asteroid          SPK-ID: 2201213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144869548519129 4.7097e-08  
a 3.071533666317173 2.6667e-08 au
q 2.626561970816499 1.4469e-07 au
i 11.82558775728152 5.0501e-06 deg
node 133.7092026417714 2.733e-05 deg
peri 255.1480890542727 3.2928e-05 deg
M 349.6157809085745 1.7892e-05 deg
tp 2458657.215620573925
(2019-Jun-22.71562057)
9.7731e-05 TDB
period 1966.216547132795
5.38
2.5606e-05
7.011e-08
d
yr
n .1830927526904218 2.3844e-09 deg/d
Q 3.516505361817847 3.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2002-08-14  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:34:46  

Additional Information
 Earth MOID = 1.66067 au 
 Jupiter MOID = 2.07779 au 
 T_jup = 3.182 
[ 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 15.0   n/a MPO418071  

201213 (2002 QZ31)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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