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JPL Small-Body Database Browser
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71844 (2000 UB81)
Classification: Main-belt Asteroid          SPK-ID: 2071844
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783810118537142 5.1318e-08  
a 2.323907851222673 1.7091e-08 au
q 1.909366817266782 1.1326e-07 au
i 6.988982488703453 6.1221e-06 deg
node 55.08458196914728 3.6815e-05 deg
peri 270.7705287006366 4.3986e-05 deg
M 153.4571320405447 3.0194e-05 deg
tp 2458048.916383103415
(2017-Oct-22.41638310)
0.00010481 TDB
period 1293.977669479101
3.54
1.4274e-05
3.908e-08
d
yr
n .2782119108322174 3.0691e-09 deg/d
Q 2.738448885178565 2.0139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:22:38  

Additional Information
 Earth MOID = .91253 au 
 Jupiter MOID = 2.61168 au 
 T_jup = 3.544 
[ 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 15.8   n/a MPO417323  

71844 (2000 UB81)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UB81 = 1999 JF112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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