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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493295091644357 5.9994e-08  
a 2.588484604023946 3.3633e-08 au
q 1.943099008222957 1.574e-07 au
i 3.451866566053571 6.9819e-06 deg
node 294.4703662122621 0.00024367 deg
peri 358.1760797332203 0.00024612 deg
M 97.98340264472429 3.1773e-05 deg
tp 2458586.484288574866
(2019-Apr-12.98428858)
0.00013734 TDB
period 1521.131661996568
4.16
2.9647e-05
8.117e-08
d
yr
n .2366659040726826 4.6126e-09 deg/d
Q 3.233870199824935 4.2019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   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      .56666  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:07  

Additional Information
 Earth MOID = .926946 au 
 Jupiter MOID = 1.97349 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2494960729235867 6.0174e-08  
q 1.942637313659278 1.584e-07 au
tp 2457066.681163395219
(2015-Feb-13.18116340)
0.00015251 TDB
node 294.528163872712 0.00024385 deg
peri 358.3332633489225 0.00024631 deg
i 3.450364902968531 6.987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   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      .56666  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:07  

Additional Information
 Jupiter MOID = 1.97349 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.620969909820276E-15 -9.405899427959532E-15 4.482637563244302E-12 1.248670197543852E-13 9.046429626509561E-13 -3.599280825482139E-15
q -9.405899427959532E-15 2.508941113931423E-14 -1.386643751291288E-11 -2.947347042289678E-13 -2.918278242658468E-12 1.281695114991866E-14
tp 4.482637563244302E-12 -1.386643751291288E-11 2.325872288927643E-8 2.022058695666345E-10 5.685265229883889E-9 -2.663235432737082E-11
node 1.248670197543852E-13 -2.947347042289678E-13 2.022058695666345E-10 5.946126468439676E-8 -5.930301087854514E-8 1.063476798121685E-9
peri 9.046429626509561E-13 -2.918278242658468E-12 5.685265229883889E-9 -5.930301087854514E-8 6.066874916000541E-8 -1.068268981651187E-9
i -3.599280825482139E-15 1.281695114991866E-14 -2.663235432737082E-11 1.063476798121685E-9 -1.068268981651187E-9 4.881868561936786E-11

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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