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187613 (2007 AU13)
Classification: Main-belt Asteroid          SPK-ID: 2187613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02561946824322378 4.0183e-08  
a 2.76620159117316 2.1335e-08 au
q 2.695332977353744 1.1523e-07 au
i 4.981855758032212 4.9324e-06 deg
node 127.4473160129376 5.9462e-05 deg
peri 334.666851412218 0.00013381 deg
M 20.02303586467137 0.00011785 deg
tp 2459107.034444484351
(2020-Sep-14.53444448)
0.00055024 TDB
period 1680.444474706328
4.60
1.9441e-05
5.323e-08
d
yr
n .2142290360786322 2.4784e-09 deg/d
Q 2.837070204992576 2.1881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1998-01-29  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:08  

Additional Information
 Earth MOID = 1.71295 au 
 Jupiter MOID = 2.18444 au 
 T_jup = 3.333 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO454292  

187613 (2007 AU13)          Discovered 2007-Jan-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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