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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569171289939821 7.8994e-08  
a 2.989594968956315 7.5354e-08 au
q 2.520476309572837 2.4176e-07 au
i 10.79482245522396 1.0555e-05 deg
node 302.1421377221457 4.6745e-05 deg
peri 293.941337342731 5.7548e-05 deg
M 51.02105042983797 3.4933e-05 deg
tp 2458732.913713362783
(2019-Sep-06.41371336)
0.00018137 TDB
period 1888.065070746996
5.17
7.1385e-05
1.954e-07
d
yr
n .1906713945285631 7.209e-09 deg/d
Q 3.458713628339793 8.7179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   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      .56087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:18  

Additional Information
 Earth MOID = 1.53194 au 
 Jupiter MOID = 1.74404 au 
 T_jup = 3.211 
[ 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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