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JPL Small-Body Database Browser
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312883 (2011 UW203)
Classification: Main-belt Asteroid          SPK-ID: 2312883
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09866543770935507 4.9181e-08  
a 3.079281609668987 3.4171e-08 au
q 2.775462941820629 1.4673e-07 au
i 20.51956524995803 7.1295e-06 deg
node 63.20032149455655 1.3661e-05 deg
peri 106.7225143575472 4.4019e-05 deg
M 38.609962502691 3.8495e-05 deg
tp 2458388.825073153698
(2018-Sep-27.32507315)
0.00021119 TDB
period 1973.660908356424
5.40
3.2853e-05
8.995e-08
d
yr
n .182402153518758 3.0362e-09 deg/d
Q 3.383100277517345 3.7542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2000-11-02  
   last obs. used      2019-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:30  

Additional Information
 Earth MOID = 1.85161 au 
 Jupiter MOID = 1.79219 au 
 T_jup = 3.124 
[ 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 15.4   n/a MPO258229  

312883 (2011 UW203)          Discovered 2008-Jan-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UW203 = 2010 MB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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