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118905 (2000 UM87)
Classification: Main-belt Asteroid          SPK-ID: 2118905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07461271380097872 5.9549e-08  
a 3.110230746554981 3.9061e-08 au
q 2.87816799000727 1.8363e-07 au
i 11.07464298237948 6.6642e-06 deg
node 77.55692673487212 3.1048e-05 deg
peri 340.0640585929265 5.1416e-05 deg
M 237.1502245776069 4.3085e-05 deg
tp 2459884.189969703383
(2022-Oct-31.68996970)
0.00024289 TDB
period 2003.4907532143
5.49
3.7743e-05
1.033e-07
d
yr
n .1796863795964289 3.385e-09 deg/d
Q 3.342293503102692 4.1976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6841 days (18.73 yr)  
   first obs. used      2000-10-31  
   last obs. used      2019-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .72519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:26  

Additional Information
 Earth MOID = 1.89303 au 
 Jupiter MOID = 1.95665 au 
 T_jup = 3.186 
[ 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 15.2   n/a MPO345073  

118905 (2000 UM87)          Discovered 2000-Oct-31 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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