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37431 (2002 AT7)
Classification: Main-belt Asteroid          SPK-ID: 2037431
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514798920492828 9.9443e-08  
a 2.362035012657683 1.9859e-08 AU
q 2.004234203923671 2.3628e-07 AU
i 4.151341928671482 1.1096e-05 deg
node 111.3733130676436 0.00010704 deg
peri 46.56063582118657 0.00011936 deg
M 114.6118592635297 4.1187e-05 deg
tp 2456378.361482813910
(2013-Mar-26.86148281)
0.00015265 JED
period 1325.952367961893
3.63
1.6722e-05
4.578e-08
d
yr
n .2715029654898933 3.4241e-09 deg/d
Q 2.719835821391696 2.2868e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      1995-02-03  
   last obs. used      2013-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57537  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 01:24:23  

Additional Information
 Earth MOID = 1.01667 AU 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO259595  

37431 (2002 AT7)          Discovered 2002-Jan-04 by JPL/GEODSS NEAT at Palomar (644)
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 AT7 = 1996 OC2 = 2001 YG116 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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