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100338 (1995 ST39)
Classification: Main-belt Asteroid          SPK-ID: 2100338
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08241426248339832 4.2368e-08  
a 2.920046370758281 2.3382e-08 au
q 2.679392902694913 1.2791e-07 au
i 10.6311803162177 1.3907e-05 deg
node 352.20595773366 2.4849e-05 deg
peri 94.41241513912277 9.5492e-05 deg
M 250.0942410073303 9.3458e-05 deg
tp 2459556.917778666761
(2021-Dec-08.41777867)
0.00047284 TDB
period 1822.565097188345
4.99
2.1891e-05
5.993e-08
d
yr
n .1975238089192911 2.3725e-09 deg/d
Q 3.160699838821648 2.5309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      9078 days (24.85 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:02:43  

Additional Information
 Earth MOID = 1.72207 au 
 Jupiter MOID = 2.01301 au 
 T_jup = 3.249 
[ 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 15.2   n/a MPO426630  

100338 (1995 ST39)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 ST39 = 1998 FG145 = 2001 XW39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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