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78919 (2003 SG108)
Classification: Main-belt Asteroid          SPK-ID: 2078919
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032525364599998 4.8753e-08  
a 2.360979907521549 1.2235e-08 au
q 1.881104752786699 1.129e-07 au
i 4.260283144003854 4.4593e-06 deg
node 250.8131492048161 6.3313e-05 deg
peri 102.5573464358559 6.4545e-05 deg
M 227.6036692899029 1.687e-05 deg
tp 2459487.815597288285
(2021-Sep-30.31559729)
6.5091e-05 TDB
period 1325.064026192104
3.63
1.03e-05
2.82e-08
d
yr
n .2716849849395943 2.1119e-09 deg/d
Q 2.840855062256399 1.4722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      12651 days (34.64 yr)  
   first obs. used      1985-10-22  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:02  

Additional Information
 Earth MOID = .881715 au 
 Jupiter MOID = 2.62107 au 
 T_jup = 3.519 
[ 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 15.7   n/a MPO366151  
diameter diameter 2.036 km 0.576 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78919 (2003 SG108)          Discovered 2003-Sep-20 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SG108 = 1985 UP1 = 2002 JL131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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