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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09989181230902083 5.8083e-08  
a 3.09423705253158 2.0602e-08 au
q 2.785148105640478 1.875e-07 au
i 12.38654437253713 5.917e-06 deg
node 210.7218725249832 1.8129e-05 deg
peri 148.1618278145424 3.3546e-05 deg
M 32.23867131252 2.478e-05 deg
tp 2458822.465801349745
(2019-Dec-04.96580135)
0.00013713 TDB
period 1988.056855469762
5.44
1.9856e-05
5.436e-08
d
yr
n .1810813403095229 1.8085e-09 deg/d
Q 3.403325999422683 2.266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      16096 days (44.07 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:07:09  

Additional Information
 Earth MOID = 1.79166 au 
 Jupiter MOID = 2.09906 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030355157745572 5.7886e-08  
q 2.774315124708169 1.8695e-07 au
tp 2456819.775286693797
(2014-Jun-11.27528669)
0.00013544 TDB
node 210.8099216814263 1.8147e-05 deg
peri 145.8312176543543 3.2783e-05 deg
i 12.37877426387935 5.9221e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      16096 days (44.07 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:07:09  

Additional Information
 Jupiter MOID = 2.09906 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.350788384000717E-15 -1.077674864577503E-14 3.810903769683145E-12 -6.409600078896772E-15 8.002473512334529E-13 -3.963743059432835E-15
q -1.077674864577503E-14 3.495058604298651E-14 -1.246793320979455E-11 2.069380219408231E-14 -2.601072648206585E-12 1.425598164174858E-14
tp 3.810903769683145E-12 -1.246793320979455E-11 1.834294722323238E-8 -1.323701640659581E-11 3.706728997361209E-9 4.445964328338975E-12
node -6.409600078896772E-15 2.069380219408231E-14 -1.323701640659581E-11 3.293031759305341E-10 -3.241756279256448E-10 -1.886887973574611E-11
peri 8.002473512334529E-13 -2.601072648206585E-12 3.706728997361209E-9 -3.241756279256448E-10 1.074757823058528E-9 1.92526550101368E-11
i -3.963743059432835E-15 1.425598164174858E-14 4.445964328338975E-12 -1.886887973574611E-11 1.92526550101368E-11 3.507108867255327E-11

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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