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JPL Small-Body Database Browser
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382960 (2004 XM21)
Classification: Main-belt Asteroid          SPK-ID: 2382960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09368839284176743 7.6708e-08  
a 2.68714965571894 3.7031e-08 au
q 2.435394923149324 1.9497e-07 au
i 6.922676951296656 6.6301e-06 deg
node 252.5999402030965 6.2665e-05 deg
peri 149.9649230658263 7.4351e-05 deg
M 212.691865419044 3.9245e-05 deg
tp 2459658.855453632116
(2022-Mar-20.35545363)
0.00017958 TDB
period 1608.926512997893
4.41
3.3258e-05
9.106e-08
d
yr
n .2237516736107582 4.6252e-09 deg/d
Q 2.938904388288555 4.05e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5233 days (14.33 yr)  
   first obs. used      2004-12-08  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:27:52  

Additional Information
 Earth MOID = 1.44743 au 
 Jupiter MOID = 2.40764 au 
 T_jup = 3.357 
[ 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 16.3   n/a MPO434375  

382960 (2004 XM21)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2004 XM21 = 2008 TT112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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