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392665 (2011 UH287)
Classification: Main-belt Asteroid          SPK-ID: 2392665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493295029483095 5.9982e-08  
a 2.588484613187126 3.3518e-08 au
q 1.943099031191832 1.5739e-07 au
i 3.45186939493475 6.9784e-06 deg
node 294.470391742636 0.00024237 deg
peri 358.176064341967 0.00024481 deg
M 97.98339539485364 3.1618e-05 deg
tp 2458586.484317009811
(2019-Apr-12.98431701)
0.00013676 TDB
period 1521.131670073728
4.16
2.9545e-05
8.089e-08
d
yr
n .2366659028159943 4.5968e-09 deg/d
Q 3.233870195182419 4.1875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4845 days (13.26 yr)  
   first obs. used      2006-06-17  
   last obs. used      2019-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:23:28  

Additional Information
 Earth MOID = .926946 au 
 Jupiter MOID = 1.97349 au 
 T_jup = 3.374 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440694  

392665 (2011 UH287)          Discovered 2007-Oct-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UH287 = 2007 VY121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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