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78044 (2002 JH116)
Classification: Main-belt Asteroid          SPK-ID: 2078044
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910128733021396 3.9224e-08  
a 2.315293800508287 9.7255e-09 au
q 1.873042879134568 8.7803e-08 au
i 8.831925265143726 4.1761e-06 deg
node 267.8445472080621 2.8063e-05 deg
peri 339.0939643967261 3.072e-05 deg
M 30.26347369433739 1.3174e-05 deg
tp 2458892.325756908473
(2020-Feb-12.82575691)
4.705e-05 TDB
period 1286.789742191301
3.52
8.1079e-06
2.22e-08
d
yr
n .2797659852237775 1.7628e-09 deg/d
Q 2.757544721882006 1.1583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      23610 days (64.64 yr)  
   first obs. used      1956-03-11  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:27  

Additional Information
 Earth MOID = .86184 au 
 Jupiter MOID = 2.2981 au 
 T_jup = 3.541 
[ 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 15.8   n/a MPO267946  
diameter diameter 3.858 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78044 (2002 JH116)          Discovered 2002-May-11 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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