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15839 (1995 JH1)
Classification: Main-belt Asteroid          SPK-ID: 2015839
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475982096081359 3.5906e-08  
a 3.112508630502065 1.9534e-08 au
q 2.653107929250089 1.1039e-07 au
i 2.183223996697302 4.2301e-06 deg
node 136.7232685451096 0.00012683 deg
peri 172.770174910244 0.00012795 deg
M 140.4600336897563 1.8109e-05 deg
tp 2458217.945594233908
(2018-Apr-09.44559423)
9.956e-05 TDB
period 2005.692143702931
5.49
1.8882e-05
5.17e-08
d
yr
n .1794891609513731 1.6897e-09 deg/d
Q 3.57190933175404 2.2418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      9742 days (26.67 yr)  
   first obs. used      1994-02-16  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:04  

Additional Information
 Earth MOID = 1.63858 au 
 Jupiter MOID = 1.68868 au 
 T_jup = 3.201 
[ 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 14.0   n/a MPO337393  
diameter diameter 8.793 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15839 (1995 JH1)          Discovered 1995-May-05 by Elst, E. W. at Caussols
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 JH1 = 2000 EV40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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