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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175037585937086 2.8877e-08  
a 2.463721175554675 1.1293e-08 au
q 2.174224677300091 7.4517e-08 au
i 5.146933982934971 4.8551e-06 deg
node 185.8712726518226 3.8133e-05 deg
peri 100.4853967632994 4.6279e-05 deg
M 50.73509335035045 2.3455e-05 deg
tp 2458801.436459396488
(2019-Nov-13.93645940)
9.2305e-05 TDB
period 1412.491234073372
3.87
9.7119e-06
2.659e-08
d
yr
n .2548688383444507 1.7524e-09 deg/d
Q 2.75321767380926 1.262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1184  
   data-arc span      9952 days (27.25 yr)  
   first obs. used      1992-05-02  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:37:14  

Additional Information
 Earth MOID = 1.16522 au 
 Jupiter MOID = 2.38823 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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