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8851 (1990 XB)
Classification: Main-belt Asteroid          SPK-ID: 2008851
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 .06556561393249022 1.2152e-08  
a 3.059204729248907 1.6055e-08 au
q 2.858626093030525 4.3579e-08 au
i 10.47765249803867 4.394e-07 deg
node 69.03536610235831 2.8354e-06 deg
peri 26.11904431263356 1.4631e-05 deg
M 214.6566081677746 1.5596e-05 deg
tp 2459989.549102229882
(2023-Feb-14.04910223)
8.602e-05 TDB
period 1954.390036050998
5.35
1.5385e-05
4.212e-08
d
yr
n .1842006934948404 1.4501e-09 deg/d
Q 3.259783365467289 1.7108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      20677 days (56.61 yr)  
   first obs. used      1963-11-11  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:55:58  

Additional Information
 Earth MOID = 1.87873 au 
 Jupiter MOID = 1.95598 au 
 T_jup = 3.206 
[ 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 12.32   n/a E2021B10  
diameter diameter 10.382 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8851 (1990 XB)          Discovered 1990-Dec-08 by Mizuno, Y., Furuta, T. at Kani
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 XB = 1963 VE = 1992 GB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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