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JPL Small-Body Database Browser
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376123 (2011 AT28)
Classification: Main-belt Asteroid          SPK-ID: 2376123
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823430646939975 5.1643e-08  
a 2.270196305744948 1.9891e-08 au
q 1.856241753898423 1.1582e-07 au
i 2.588945913003924 8.8216e-06 deg
node 164.6554814171579 0.00013418 deg
peri 272.8694323608369 0.00013686 deg
M 296.8985569244371 2.9723e-05 deg
tp 2459219.493052073276
(2021-Jan-04.99305207)
0.00010484 TDB
period 1249.377112532479
3.42
1.642e-05
4.496e-08
d
yr
n .2881435848222659 3.7869e-09 deg/d
Q 2.684150857591474 2.3518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5178 days (14.18 yr)  
   first obs. used      2004-01-13  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51587  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:54:43  

Additional Information
 Earth MOID = .873783 au 
 Jupiter MOID = 2.56688 au 
 T_jup = 3.590 
[ 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 18.1   n/a MPO437548  

376123 (2011 AT28)          Discovered 2004-Jan-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

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