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JPL Small-Body Database Browser
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34871 (2001 UM2)
Classification: Main-belt Asteroid          SPK-ID: 2034871
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178152532578834 2.9528e-08  
a 2.464317487812348 1.1769e-08 au
q 2.173983298877905 7.5739e-08 au
i 5.146882727894727 5.4194e-06 deg
node 185.913503278042 3.8754e-05 deg
peri 100.7318996934659 4.6995e-05 deg
M 308.5788627958404 2.4401e-05 deg
tp 2458802.328546057570
(2019-Nov-14.82854606)
9.5586e-05 TDB
period 1413.004078308244
3.87
1.0122e-05
2.771e-08
d
yr
n .2547763347088278 1.8251e-09 deg/d
Q 2.754651676746791 1.3155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1992-05-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:52:51  

Additional Information
 Earth MOID = 1.16435 au 
 Jupiter MOID = 2.38763 au 
 T_jup = 3.473 
[ 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 14.9   n/a MPO250549  

34871 (2001 UM2)          Discovered 2001-Oct-18 by Yeung, W. K. at Desert Eagle
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 UM2 = 1992 LT = 1999 CD71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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