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JPL Small-Body Database Browser
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392982 (2012 XS57)
Classification: Main-belt Asteroid          SPK-ID: 2392982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03909341279718402 7.7838e-08  
a 2.795532756130589 6.1358e-08 au
q 2.686245840107127 2.1118e-07 au
i 5.310369183373385 8.6154e-06 deg
node 71.36644747028129 0.00011264 deg
peri 2.190805467785222 0.00019675 deg
M 122.4731473106313 0.00016576 deg
tp 2458019.690538280597
(2017-Sep-23.19053828)
0.00077586 TDB
period 1707.242859438093
4.67
5.6207e-05
1.539e-07
d
yr
n .210866308803006 6.9423e-09 deg/d
Q 2.904819672154052 6.3756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3781 days (10.35 yr)  
   first obs. used      2008-12-29  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69616  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:50  

Additional Information
 Earth MOID = 1.70069 au 
 Jupiter MOID = 2.20973 au 
 T_jup = 3.320 
[ 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 17.1   n/a MPO434458  

392982 (2012 XS57)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 XS57 = 2008 YY54 = 2012 VQ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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