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344786 (2003 XJ31)
Classification: Main-belt Asteroid          SPK-ID: 2344786
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494092134041834 6.0269e-08  
a 2.735413504774758 3.2902e-08 au
q 2.326717524691181 1.7489e-07 au
i 8.607959333885304 6.593e-06 deg
node 67.06317978105783 4.3317e-05 deg
peri 303.7583798474604 5.0466e-05 deg
M 276.9584981007433 2.6588e-05 deg
tp 2459381.676046623812
(2021-Jun-16.17604662)
0.00012573 TDB
period 1652.467424674559
4.52
2.9814e-05
8.163e-08
d
yr
n .2178560343305401 3.9306e-09 deg/d
Q 3.144109484858335 3.7818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5643 days (15.45 yr)  
   first obs. used      2003-10-16  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60076  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:15:18  

Additional Information
 Earth MOID = 1.34058 au 
 Jupiter MOID = 2.35105 au 
 T_jup = 3.320 
[ 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 16.4   n/a MPO437461  
diameter diameter 3.768 km 0.783 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.022   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344786 (2003 XJ31)          Discovered 2003-Dec-01 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 XJ31 = 2010 AW132 = 2010 MO101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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