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JPL Small-Body Database Browser
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437938 (2002 QQ81)
Classification: Main-belt Asteroid          SPK-ID: 2437938
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0975256505265443 5.0398e-08  
a 2.242020366613052 1.5056e-08 au
q 2.023365871865353 1.1373e-07 au
i 7.087250010738287 5.3841e-06 deg
node 124.3785819038048 6.1702e-05 deg
peri 128.9979246598706 7.4158e-05 deg
M 61.60001483705551 4.2277e-05 deg
tp 2458390.685222398524
(2018-Sep-29.18522240)
0.0001437 TDB
period 1226.189963368227
3.36
1.2352e-05
3.382e-08
d
yr
n .2935923557970694 2.9574e-09 deg/d
Q 2.460674861360752 1.6525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2002-08-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50985  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:04:04  

Additional Information
 Earth MOID = 1.01648 au 
 Jupiter MOID = 2.58485 au 
 T_jup = 3.617 
[ 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 17.4   n/a MPO437699  

437938 (2002 QQ81)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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