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392757 (2012 TH22)
Classification: Main-belt Asteroid          SPK-ID: 2392757
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08923134235877669 1.4138e-07  
a 2.143616858810587 2.9784e-08 au
q 1.952339048996014 3.2414e-07 au
i 1.550065665168525 6.5579e-06 deg
node 232.1481536175659 0.00034666 deg
peri 136.4637923067621 0.00034851 deg
M 167.4398398915207 3.7447e-05 deg
tp 2458467.318008953296
(2018-Dec-14.81800895)
0.00011405 TDB
period 1146.355114178139
3.14
2.3891e-05
6.541e-08
d
yr
n .3140388135818597 6.5449e-09 deg/d
Q 2.33489466862516 3.2441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4258 days (11.66 yr)  
   first obs. used      2007-01-10  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57489  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:46:52  

Additional Information
 Earth MOID = .951505 au 
 Jupiter MOID = 3.00257 au 
 T_jup = 3.705 
[ 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 18.3   n/a MPO455787  

392757 (2012 TH22)          Discovered 2009-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 TH22 = 2011 HN88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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