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JPL Small-Body Database Browser
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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062059435080824 1.3059e-07  
a 2.565413649186166 2.7904e-08 au
q 2.03641010716722 3.4887e-07 au
i 8.510643497004176 6.0668e-06 deg
node 81.26315295377907 5.8708e-05 deg
peri 243.8052906791013 6.1495e-05 deg
M 63.08878160044134 1.29e-05 deg
tp 2458737.482789226594
(2019-Sep-10.98278923)
5.4321e-05 TDB
period 1500.840458103947
4.11
2.4487e-05
6.704e-08
d
yr
n .2398656020072898 3.9135e-09 deg/d
Q 3.094417191205112 3.3658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6388 days (17.49 yr)  
   first obs. used      2002-05-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:35:05  

Additional Information
 Earth MOID = 1.04102 au 
 Jupiter MOID = 2.27217 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457865.5 (2017-Apr-22.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073822462690383 1.3044e-07  
q 2.032553891383118 3.4889e-07 au
tp 2457237.713338520298
(2015-Aug-03.21333852)
6.2928e-05 TDB
node 81.28395347952475 5.8763e-05 deg
peri 243.9590339007882 6.1514e-05 deg
i 8.509221031181283 6.0611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6388 days (17.49 yr)  
   first obs. used      2002-05-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:35:05  

Additional Information
 Jupiter MOID = 2.27217 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.701491888495314E-14 -4.545148076510053E-14 3.529692118530971E-12 6.53330897344064E-14 9.829329034827644E-13 -9.013028552747488E-14
q -4.545148076510053E-14 1.217249283462039E-13 -9.818410705001704E-12 -1.691245783892976E-13 -2.711102508389119E-12 2.426107302224695E-13
tp 3.529692118530971E-12 -9.818410705001704E-12 3.959887007139336E-9 1.929467157269388E-12 1.225362845039407E-9 -2.12914949443392E-11
node 6.53330897344064E-14 -1.691245783892976E-13 1.929467157269388E-12 3.453032517214392E-9 -3.416179206760753E-9 2.137329103443718E-10
peri 9.829329034827644E-13 -2.711102508389119E-12 1.225362845039407E-9 -3.416179206760753E-9 3.783977735773233E-9 -2.177061059033098E-10
i -9.013028552747488E-14 2.426107302224695E-13 -2.12914949443392E-11 2.137329103443718E-10 -2.177061059033098E-10 3.673734714546876E-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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