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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03775778496519355 7.7483e-08  
a 2.79912405554836 6.1761e-08 au
q 2.693435331368065 2.0956e-07 au
i 5.306433400311874 8.6058e-06 deg
node 71.36128721068812 0.00011273 deg
peri 2.939817736031041 0.00020185 deg
M 205.9699122380658 0.00017338 deg
tp 2459732.371286509479
(2022-Jun-01.87128651)
0.00083748 TDB
period 1710.533746826348
4.68
5.6613e-05
1.55e-07
d
yr
n .2104606241577687 6.9655e-09 deg/d
Q 2.904812779728656 6.4093e-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 = 1.7082 au 
 Jupiter MOID = 2.20279 au 
 T_jup = 3.318 
[ 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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