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118984 (2000 XC21)
Classification: Main-belt Asteroid          SPK-ID: 2118984
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2896623155804018 5.7607e-08  
a 3.155806628803178 3.3605e-08 au
q 2.241688373180068 1.8838e-07 au
i 16.27860750304311 6.4203e-06 deg
node 45.71200531441869 2.2481e-05 deg
peri 283.1466611851488 2.4185e-05 deg
M 237.2841723016538 1.2331e-05 deg
tp 2459698.510704972851
(2022-Apr-29.01070497)
7.7066e-05 TDB
period 2047.689026780797
5.61
3.2708e-05
8.955e-08
d
yr
n .1758079450989496 2.8082e-09 deg/d
Q 4.069924884426288 4.3339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:07:36  

Additional Information
 Earth MOID = 1.29835 au 
 Jupiter MOID = 1.77359 au 
 T_jup = 3.080 
[ 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 14.7   n/a MPO432692  

118984 (2000 XC21)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 XC21 = 2004 HA58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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