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19330 (1996 XJ31)
Classification: Main-belt Asteroid          SPK-ID: 2019330
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06503370338252568 3.3194e-08  
a 2.755294266192309 1.291e-08 au
q 2.576107276153184 9.3775e-08 au
i 10.30104165913104 3.6618e-06 deg
node 107.5344638552247 2.3209e-05 deg
peri 20.73743392545698 4.3444e-05 deg
M 23.94681341800449 3.5049e-05 deg
tp 2458889.379128417104
(2020-Feb-09.87912842)
0.00016266 TDB
period 1670.515114957456
4.57
1.1741e-05
3.215e-08
d
yr
n .2155023901170559 1.5146e-09 deg/d
Q 2.934481256231433 1.375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2069  
   data-arc span      8591 days (23.52 yr)  
   first obs. used      1996-12-14  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:09:26  

Additional Information
 Earth MOID = 1.59422 au 
 Jupiter MOID = 2.13331 au 
 T_jup = 3.317 
[ 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 13.3   n/a MPO365483  
diameter diameter 4.583 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19330 (1996 XJ31)          Discovered 1996-Dec-14 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 XJ31 = 1998 HR123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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