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JPL Small-Body Database Browser
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393952 (2005 US212)
Classification: Main-belt Asteroid          SPK-ID: 2393952
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152456013883376 8.783e-08  
a 2.294420929949275 2.4156e-08 au
q 2.029999010039282 1.9782e-07 au
i 7.314279002527311 1.0177e-05 deg
node 62.3522024759371 5.1764e-05 deg
peri 223.1401952192057 6.4948e-05 deg
M 184.7115716294031 4.4408e-05 deg
tp 2459618.600104207267
(2022-Feb-08.10010421)
0.00016209 TDB
period 1269.427991242925
3.48
2.0047e-05
5.489e-08
d
yr
n .2835922970687894 4.4785e-09 deg/d
Q 2.558842849859268 2.6939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5200 days (14.24 yr)  
   first obs. used      2005-10-27  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:53:14  

Additional Information
 Earth MOID = 1.0206 au 
 Jupiter MOID = 2.56134 au 
 T_jup = 3.576 
[ 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 17.8   n/a MPO349087  

393952 (2005 US212)          Discovered 2005-Oct-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

Alternate Designations
 2005 US212 = 2012 XG24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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