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442826 (2013 AE78)
Classification: Main-belt Asteroid          SPK-ID: 2442826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714611134880171 7.4993e-08  
a 2.733103143908221 3.7464e-08 au
q 2.264482235576117 2.104e-07 au
i 10.81013774326304 8.5746e-06 deg
node 92.70004459325921 5.1284e-05 deg
peri 3.96022981238382 5.8079e-05 deg
M 246.7862168608394 2.984e-05 deg
tp 2459519.514225767044
(2021-Nov-01.01422577)
0.00014155 TDB
period 1650.374328066299
4.52
3.3934e-05
9.291e-08
d
yr
n .2181323314825205 4.4851e-09 deg/d
Q 3.201724052240325 4.3888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      5176 days (14.17 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:58  

Additional Information
 Earth MOID = 1.28142 au 
 Jupiter MOID = 1.98904 au 
 T_jup = 3.307 
[ 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 16.8   n/a MPO440834  

442826 (2013 AE78)          Discovered 2007-Nov-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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