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393056 (2013 AT55)
Classification: Main-belt Asteroid          SPK-ID: 2393056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062059408483247 1.0774e-07  
a 2.565413655738897 2.4641e-08 au
q 2.036410119192118 2.8605e-07 au
i 8.510643682867036 5.9336e-06 deg
node 81.26313929354916 5.5175e-05 deg
peri 243.8053104942334 5.7376e-05 deg
M 63.08877602881979 1.2225e-05 deg
tp 2458737.482811446970
(2019-Sep-10.98281145)
5.0818e-05 TDB
period 1500.840463854251
4.11
2.1624e-05
5.92e-08
d
yr
n .2398656010882714 3.4559e-09 deg/d
Q 3.094417192285677 2.9722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      2002-05-07  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:20:20  

Additional Information
 Earth MOID = 1.04102 au 
 Jupiter MOID = 2.27217 au 
 T_jup = 3.387 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO446665  

393056 (2013 AT55)          Discovered 2006-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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