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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09418284652118879 7.648e-08  
a 2.686009748631854 3.7568e-08 au
q 2.433033704722043 1.9388e-07 au
i 6.923791560567699 6.6316e-06 deg
node 252.597761453731 6.2661e-05 deg
peri 150.1287193244658 7.4255e-05 deg
M 122.9610875518847 3.8611e-05 deg
tp 2458051.306992959394
(2017-Oct-24.80699296)
0.0001704 TDB
period 1607.902845289918
4.40
3.3733e-05
9.236e-08
d
yr
n .2238941246074411 4.6973e-09 deg/d
Q 2.938985792541664 4.1106e-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 = 1.44454 au 
 Jupiter MOID = 2.40773 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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