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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06490747523011481 3.2944e-08  
a 2.754710560091544 1.2822e-08 au
q 2.575909252646266 9.2907e-08 au
i 10.30098615894686 3.6407e-06 deg
node 107.5330726910262 2.3207e-05 deg
peri 20.5940562470391 4.3458e-05 deg
M 67.19724128054142 3.509e-05 deg
tp 2458888.782395007135
(2020-Feb-09.28239501)
0.00016282 TDB
period 1669.984297851333
4.57
1.166e-05
3.192e-08
d
yr
n .2155708891773354 1.5051e-09 deg/d
Q 2.933511867536822 1.3655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1996-12-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:42:29  

Additional Information
 Earth MOID = 1.59391 au 
 Jupiter MOID = 2.13377 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 13.38   n/a E2021B10  
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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