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JPL Small-Body Database Browser
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392872 (2012 UR108)
Classification: Main-belt Asteroid          SPK-ID: 2392872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09605123555685541 7.6731e-08  
a 2.62493317778024 3.3483e-08 au
q 2.372805102800265 2.1189e-07 au
i 3.579310226015185 6.5549e-06 deg
node 237.3089944650452 0.0001357 deg
peri 316.7108115492944 0.00014163 deg
M 43.9267809710681 4.1613e-05 deg
tp 2458410.959211515631
(2018-Oct-19.45921152)
0.00017891 TDB
period 1553.373189337842
4.25
2.9722e-05
8.137e-08
d
yr
n .2317537102294508 4.4343e-09 deg/d
Q 2.877061252760215 3.6699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-09-30  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:18  

Additional Information
 Earth MOID = 1.37341 au 
 Jupiter MOID = 2.09328 au 
 T_jup = 3.393 
[ 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 16.7   n/a MPO437608  

392872 (2012 UR108)          Discovered 2006-Apr-07 by Spacewatch at Kitt Peak
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
1998-Jun-12 14:37 < 00:01 Iris 0.0445426663108727 0.0445368641589184 0.044548468637608 6.10801555136618 6.10801553023632 2450977.108817314 0.999591914175471 324.52502404777 93.9438701155072 -28.2635548049291 38137.2882380194 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:19 2019-Sep-24 07:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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