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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457929.5 (2017-Jun-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073860895870975 1.075e-07  
q 2.032520587413001 2.857e-07 au
tp 2457237.680381161360
(2015-Aug-03.18038116)
5.4911e-05 TDB
node 81.28374884582618 5.5226e-05 deg
peri 243.9518440305931 5.7403e-05 deg
i 8.509201599828486 5.9284e-06 deg
  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
 Jupiter MOID = 2.27217 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.155637357783336E-14 -3.065691707377981E-14 1.260434808521796E-12 7.550303593243922E-14 2.541161349256232E-13 -5.82524017335383E-14
q -3.065691707377981E-14 8.16264412600777E-14 -3.666635109769151E-12 -1.967422809095409E-13 -7.352378650958842E-13 1.561973727887161E-13
tp 1.260434808521796E-12 -3.666635109769151E-12 3.015170686459952E-9 1.443855246853251E-12 9.268690479462324E-10 -8.323533786793954E-12
node 7.550303593243922E-14 -1.967422809095409E-13 1.443855246853251E-12 3.049953205251808E-9 -3.017544832825031E-9 1.898720599114256E-10
peri 2.541161349256232E-13 -7.352378650958842E-13 9.268690479462324E-10 -3.017544832825031E-9 3.295148288467705E-9 -1.899939543740381E-10
i -5.82524017335383E-14 1.561973727887161E-13 -8.323533786793954E-12 1.898720599114256E-10 -1.899939543740381E-10 3.514561276442894E-11

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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