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118204 (1995 MS1)
Classification: Main-belt Asteroid          SPK-ID: 2118204
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05997930023300441 6.7317e-08  
a 2.627684932081825 2.1796e-08 au
q 2.470078228622747 1.7332e-07 au
i 21.38713877726028 7.723e-06 deg
node 224.5762429102749 1.3925e-05 deg
peri 226.6746977299078 7.3016e-05 deg
M 99.30705683113693 6.6401e-05 deg
tp 2458571.323461148488
(2019-Mar-28.82346115)
0.00028814 TDB
period 1555.816463771194
4.26
1.9358e-05
5.3e-08
d
yr
n .2313897611851878 2.879e-09 deg/d
Q 2.785291635540902 2.3104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      9076 days (24.85 yr)  
   first obs. used      1995-06-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:18:18  

Additional Information
 Earth MOID = 1.51072 au 
 Jupiter MOID = 2.45393 au 
 T_jup = 3.301 
[ 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 16.0   n/a MPO469223  

118204 (1995 MS1)          Discovered 1995-Jun-23 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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