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78605 (2002 SA38)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078605
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324582555205253 4.0815e-08  
a 3.225798980870342 2.5049e-08 au
q 2.798515275204368 1.4004e-07 au
i 4.531530785987213 4.6514e-06 deg
node 196.3721063574212 5.5635e-05 deg
peri 177.7669903456565 5.8499e-05 deg
M 12.12753095735567 1.7187e-05 deg
tp 2458929.210713423430
(2020-Mar-20.71071342)
0.000101 TDB
period 2116.188633763026
5.79
2.4649e-05
6.749e-08
d
yr
n .1701171598109591 1.9815e-09 deg/d
Q 3.653082686536316 2.8367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      9703 days (26.57 yr)  
   first obs. used      1994-04-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:14  

Additional Information
 Earth MOID = 1.79931 au 
 Jupiter MOID = 1.81225 au 
 T_jup = 3.169 
[ 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 MPO449494  
diameter diameter 7.024 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78605 (2002 SA38)          Discovered 2002-Sep-30 by Clingan, R. at Nashville
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 SA38 = 2000 GU174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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