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123577 (2000 XJ39)
Classification: Main-belt Asteroid          SPK-ID: 2123577
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 .1331539136492994 4.3426e-08  
a 2.715474793073744 1.8336e-08 au
q 2.353898696959953 1.1685e-07 au
i 11.82211309896966 5.9739e-06 deg
node 6.388640626390499 2.3834e-05 deg
peri 81.66431508829208 3.3639e-05 deg
M 120.8065991928002 2.3022e-05 deg
tp 2458452.027005981337
(2018-Nov-29.52700598)
0.00010315 TDB
period 1634.432880041591
4.47
1.6554e-05
4.532e-08
d
yr
n .2202598861024132 2.2309e-09 deg/d
Q 3.077050889187534 2.0777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:02:00  

Additional Information
 Earth MOID = 1.40449 au 
 Jupiter MOID = 2.1974 au 
 T_jup = 3.318 
[ 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 15.1   n/a MPO426777  
diameter diameter 2.762 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123577 (2000 XJ39)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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