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385022 (2012 TM284)
Classification: Main-belt Asteroid          SPK-ID: 2385022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06776475394458503 5.2562e-08  
a 2.705740609247255 2.6258e-08 au
q 2.522386762623743 1.4055e-07 au
i 5.980474938155522 5.8767e-06 deg
node 97.39638511371162 5.7845e-05 deg
peri 157.4894576131725 8.3801e-05 deg
M 72.87574592937288 5.5995e-05 deg
tp 2458871.414930507186
(2020-Jan-22.91493051)
0.00025473 TDB
period 1625.652314176352
4.45
2.3664e-05
6.479e-08
d
yr
n .221449566343709 3.2236e-09 deg/d
Q 2.889094455870767 2.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:48  

Additional Information
 Earth MOID = 1.50686 au 
 Jupiter MOID = 2.1406 au 
 T_jup = 3.354 
[ 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 17.02   n/a E2021B25  

385022 (2012 TM284)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

Alternate Designations
 2012 TM284 = 2006 HS118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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