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78972 (2003 SH304)
Classification: Main-belt Asteroid          SPK-ID: 2078972
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04295136264757401 3.4631e-08  
a 3.081727538235945 2.2566e-08 au
q 2.949363141160158 1.1089e-07 au
i 10.8743748364687 5.2102e-06 deg
node 178.5453771953608 2.0158e-05 deg
peri 258.9130573969612 6.7296e-05 deg
M 334.0337814511637 6.256e-05 deg
tp 2459143.026622297470
(2020-Oct-20.52662230)
0.0003434 TDB
period 1976.012946613234
5.41
2.1704e-05
5.942e-08
d
yr
n .1821850411542182 2.0011e-09 deg/d
Q 3.214091935311733 2.3535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:52  

Additional Information
 Earth MOID = 1.98798 au 
 Jupiter MOID = 1.91091 au 
 T_jup = 3.199 
[ 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 14.5   n/a MPO493428  
diameter diameter 4.940 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78972 (2003 SH304)          Discovered 2003-Sep-17 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SH304 = 2000 CO44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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