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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07416352512446765 4.1894e-08  
a 3.138162534614598 2.1307e-08 au
q 2.905425338634045 1.3213e-07 au
i 3.353591054076727 5.2819e-06 deg
node 149.1166129544459 6.9563e-05 deg
peri 226.0738801584181 7.682e-05 deg
M 165.2462344006736 3.3325e-05 deg
tp 2458268.446916471390
(2018-May-29.94691647)
0.00018462 TDB
period 2030.540128719157
5.56
2.068e-05
5.662e-08
d
yr
n .1772927286234349 1.8056e-09 deg/d
Q 3.370899730595151 2.2887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      10191 days (27.90 yr)  
   first obs. used      1993-03-24  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:44  

Additional Information
 Earth MOID = 1.90586 au 
 Jupiter MOID = 2.04673 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 15.02   n/a E2021B55  
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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