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100341 (1995 ST44)
Classification: Mars-crossing Asteroid          SPK-ID: 2100341
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 .3080597640595981 5.1236e-08  
a 2.355482542861131 8.6393e-09 au
q 1.629853146460829 1.2302e-07 au
i 3.989019011300433 5.9448e-06 deg
node 193.1822645412929 6.1352e-05 deg
peri 175.5422001487208 6.175e-05 deg
M 298.7853471032787 8.4632e-06 deg
tp 2459225.028333136556
(2021-Jan-10.52833314)
3.195e-05 TDB
period 1320.438752883782
3.62
7.2646e-06
1.989e-08
d
yr
n .2726366514264862 1.4999e-09 deg/d
Q 3.081111939261434 1.1301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      9177 days (25.13 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:02  

Additional Information
 Earth MOID = .629226 au 
 Jupiter MOID = 2.38397 au 
 T_jup = 3.486 
[ 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 16.1   n/a MPO432532  

100341 (1995 ST44)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 ST44 = 2000 AM122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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