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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786810715226127 4.2964e-08  
a 2.32342899629697 1.327e-08 au
q 1.908276213631919 9.8204e-08 au
i 6.989154474306654 5.8466e-06 deg
node 55.07848817238249 3.553e-05 deg
peri 270.7819786205486 4.2393e-05 deg
M 264.7674418927548 2.8115e-05 deg
tp 2459342.696437575226
(2021-May-08.19643758)
0.00010267 TDB
period 1293.577742481213
3.54
1.1082e-05
3.034e-08
d
yr
n .2782979237950426 2.3842e-09 deg/d
Q 2.738581778962021 1.5641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:47:06  

Additional Information
 Earth MOID = .912304 au 
 Jupiter MOID = 2.61422 au 
 T_jup = 3.545 
[ 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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