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100339 (1995 SP40)
Classification: Main-belt Asteroid          SPK-ID: 2100339
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0739233566580902 4.2225e-08  
a 3.138845898700194 2.1457e-08 au
q 2.906811873835796 1.3291e-07 au
i 3.353248920507158 5.4124e-06 deg
node 149.1151935331072 7.0757e-05 deg
peri 226.1198594819839 7.8465e-05 deg
M 129.7575730803989 3.4194e-05 deg
tp 2458268.377705569373
(2018-May-29.87770557)
0.00019061 TDB
period 2031.203418329343
5.56
2.0828e-05
5.702e-08
d
yr
n .1772348336712128 1.8174e-09 deg/d
Q 3.370879923564592 2.3043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:52:11  

Additional Information
 Earth MOID = 1.90872 au 
 Jupiter MOID = 2.04624 au 
 T_jup = 3.204 
[ 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 15.0   n/a MPO337985  
diameter diameter 6.908 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100339 (1995 SP40)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 SP40 = 2001 ST2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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