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78891 (2003 SH40)
Classification: Main-belt Asteroid          SPK-ID: 2078891
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09989183608841228 6.0032e-08  
a 3.094237046443115 2.0965e-08 au
q 2.785148026581127 1.9416e-07 au
i 12.38654441640878 5.9594e-06 deg
node 210.7218723182321 1.8215e-05 deg
peri 148.1618354203085 3.3927e-05 deg
M 32.23866621574097 2.4993e-05 deg
tp 2458822.465830021568
(2019-Dec-04.96583002)
0.00013835 TDB
period 1988.056849601975
5.44
2.0205e-05
5.532e-08
d
yr
n .1810813408439879 1.8404e-09 deg/d
Q 3.403326066305103 2.3059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      16079 days (44.02 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:08  

Additional Information
 Earth MOID = 1.79166 au 
 Jupiter MOID = 2.09906 au 
 T_jup = 3.180 
[ 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 MPO493427  
diameter diameter 7.399 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78891 (2003 SH40)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SH40 = 1976 UO8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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