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JPL Small-Body Database Browser
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390887 (2004 XX61)
Classification: Main-belt Asteroid          SPK-ID: 2390887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510606805961906 4.7076e-08  
a 2.466577762896883 1.6463e-08 au
q 2.093974847290251 1.1726e-07 au
i 6.618119369149153 3.6673e-06 deg
node 61.9321512759115 5.1562e-05 deg
peri 309.8975748362182 5.482e-05 deg
M 307.2991807508758 1.731e-05 deg
tp 2458807.635964251129
(2019-Nov-20.13596425)
6.7563e-05 TDB
period 1414.948537667099
3.87
1.4166e-05
3.878e-08
d
yr
n .2544262143933173 2.5472e-09 deg/d
Q 2.839180678503516 1.895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6443 days (17.64 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:00:01  

Additional Information
 Earth MOID = 1.10119 au 
 Jupiter MOID = 2.63209 au 
 T_jup = 3.462 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO446658  

390887 (2004 XX61)          Discovered 2004-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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