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JPL Small-Body Database Browser
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442828 (2013 AT81)
Classification: Main-belt Asteroid          SPK-ID: 2442828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559668726300187 7.9822e-08  
a 2.987371292956233 7.6517e-08 au
q 2.521440335009154 2.4176e-07 au
i 10.78970001671725 1.0826e-05 deg
node 302.1658694167348 4.6799e-05 deg
peri 294.1139980405295 5.7937e-05 deg
M 334.5953875073089 3.5881e-05 deg
tp 2458733.589044143279
(2019-Sep-07.08904414)
0.00018896 TDB
period 1885.958933849696
5.16
7.2459e-05
1.984e-07
d
yr
n .1908843260256751 7.3338e-09 deg/d
Q 3.453302250903312 8.8451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4171 days (11.42 yr)  
   first obs. used      2007-12-30  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:01  

Additional Information
 Earth MOID = 1.53265 au 
 Jupiter MOID = 1.74827 au 
 T_jup = 3.212 
[ 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 16.4   n/a MPO434645  

442828 (2013 AT81)          Discovered 2007-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AT81 = 2010 RF96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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