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146740 (2001 XC89)
Classification: Main-belt Asteroid          SPK-ID: 2146740
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 .1194988799716873 4.832e-08  
a 2.975353956190599 2.9812e-08 au
q 2.619802490906494 1.5332e-07 au
i 9.150815093321015 5.9011e-06 deg
node 257.4774328020582 3.6396e-05 deg
peri 68.48337032624391 4.5969e-05 deg
M 291.0245024530839 2.7775e-05 deg
tp 2459359.668900325093
(2021-May-25.16890032)
0.00014618 TDB
period 1874.590379418212
5.13
2.8174e-05
7.714e-08
d
yr
n .1920419543130951 2.8863e-09 deg/d
Q 3.330905421474704 3.3375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      10842 days (29.68 yr)  
   first obs. used      1990-08-18  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Earth MOID = 1.62492 au 
 Jupiter MOID = 1.99432 au 
 T_jup = 3.231 
[ 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 14.8   n/a MPO432922  

146740 (2001 XC89)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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