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78031 (2002 JH75)
Classification: Main-belt Asteroid          SPK-ID: 2078031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340736750501301 4.607e-08  
a 2.121061885798002 7.7431e-09 au
q 1.836683323760304 9.5745e-08 au
i 5.958910919009504 4.6318e-06 deg
node 64.7720676217605 3.7936e-05 deg
peri 270.7185005357077 4.3858e-05 deg
M 227.7723983852882 2.3774e-05 deg
tp 2459414.927014074883
(2021-Jul-19.42701407)
7.5179e-05 TDB
period 1128.30999916101
3.09
6.1785e-06
1.692e-08
d
yr
n .3190612511346076 1.7471e-09 deg/d
Q 2.4054404478357 8.7813e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      11925 days (32.65 yr)  
   first obs. used      1987-09-27  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:31  

Additional Information
 Earth MOID = .838839 au 
 Jupiter MOID = 2.92896 au 
 T_jup = 3.712 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO502627  

78031 (2002 JH75)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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