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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515465427599053 7.8775e-08  
a 2.36199631342026 1.6092e-08 AU
q 2.004043938109778 1.8348e-07 AU
i 4.15131341899504 9.8888e-06 deg
node 111.3732396865222 7.5196e-05 deg
peri 46.58260874047195 7.9002e-05 deg
M 168.880265145593 2.3313e-05 deg
tp 2456378.495321364548
(2013-Mar-26.99532136)
8.4674e-05 JED
period 1325.91978177982
3.63
1.355e-05
3.71e-08
d
yr
n .2715096380240754 2.7747e-09 deg/d
Q 2.719948688730741 1.8531e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      1995-02-03  
   last obs. used      2014-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57667  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:36:15  

Additional Information
 Earth MOID = 1.01689 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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