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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1954-May-25 05:50 00:03 Jupiter 1.95499881488916 1.95499827149609 1.95499935828202 1.72709907749093 1.45476853843888 2434887.743071874 3.25994355014559 259.101157994234 63.5246693764398 -80.1824952643941 1756662.10522589 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:08 2019-Sep-24 07:09
2037-Dec-25 08:30 00:02 Jupiter 1.98753219610397 1.98753158029846 1.98753281190904 1.73939035464427 1.47415837399826 2465417.854009033 1.54401859635437 199.391315954715 84.0627681508435 -82.1176778249785 1314514.13577149 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:08 2019-Sep-24 07:09
2108-Aug-10 10:54 00:06 Jupiter 1.95972743035156 1.959726341007 1.95972851969645 1.75566674501876 1.48927392281161 2491212.954321297 5.51360513751506 241.934306867978 85.9635720317639 -87.5879759122116 914902.229045423 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:08 2019-Sep-24 07:09
2192-Mar-14 01:22 00:10 Jupiter 1.98441027620723 1.9844080479495 1.98441250446338 1.73003814791905 1.46265347386816 2521744.557110789 10.1907855402118 188.362281854227 113.653027829006 -80.5746974809165 1017852.7538811 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:08 2019-Sep-24 07:09

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