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56258 (1999 JH83)
Classification: Main-belt Asteroid          SPK-ID: 2056258
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403332121554239 3.6479e-08  
a 2.587468838782762 1.2774e-08 au
q 2.224361025284312 9.4446e-08 au
i 12.24387476359406 4.8358e-06 deg
node 159.5490698296397 1.9259e-05 deg
peri 88.71351818737746 2.6759e-05 deg
M 7.652203721473994 2.1169e-05 deg
tp 2458968.185671023650
(2020-Apr-28.68567102)
8.9286e-05 TDB
period 1520.236373064715
4.16
1.1258e-05
3.082e-08
d
yr
n .2368052800067265 1.7536e-09 deg/d
Q 2.950576652281212 1.4566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      7698 days (21.08 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:23:19  

Additional Information
 Earth MOID = 1.25216 au 
 Jupiter MOID = 2.17604 au 
 T_jup = 3.376 
[ 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 14.4   n/a MPO337704  
diameter diameter 3.919 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.221 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56258 (1999 JH83)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JH83 = 2000 QG93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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