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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917083772524459 3.4911e-08  
a 2.730964951762267 1.7206e-08 au
q 2.207416092526619 9.4373e-08 au
i 11.20164880366876 4.7811e-06 deg
node 72.48751792549795 2.778e-05 deg
peri 38.5198622184312 3.3295e-05 deg
M 308.1131016394885 1.8905e-05 deg
tp 2459238.089818993970
(2021-Jan-23.58981899)
8.7797e-05 TDB
period 1648.437997653056
4.51
1.5579e-05
4.265e-08
d
yr
n .2183885596622655 2.0639e-09 deg/d
Q 3.254513810997916 2.0505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:11:42  

Additional Information
 Earth MOID = 1.2358 au 
 Jupiter MOID = 1.95624 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 15.0   n/a MPO459420  
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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