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90126 (2002 XC81)
Classification: Main-belt Asteroid          SPK-ID: 2090126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19187680344928 3.4602e-08  
a 2.731657546925641 1.2086e-08 au
q 2.207515828703447 9.3937e-08 au
i 11.2002729580617 4.0582e-06 deg
node 72.48346126818103 2.0776e-05 deg
peri 38.44919386481674 2.51e-05 deg
M 34.63202555243435 1.1551e-05 deg
tp 2459237.859818065305
(2021-Jan-23.35981807)
5.2931e-05 TDB
period 1649.065123552258
4.51
1.0945e-05
2.997e-08
d
yr
n .2183055082897652 1.4489e-09 deg/d
Q 3.255799265147834 1.4405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      8616 days (23.59 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:37:17  

Additional Information
 Earth MOID = 1.23613 au 
 Jupiter MOID = 1.95534 au 
 T_jup = 3.300 
[ 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 15.11   n/a MPO637227  
diameter diameter 5.694 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90126 (2002 XC81)          Discovered 2002-Dec-11 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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