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120356 (2005 MS8)
Classification: Main-belt Asteroid          SPK-ID: 2120356
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091678305266741 4.6959e-08  
a 2.318179751670917 1.2661e-08 au
q 1.833291122243047 1.0446e-07 au
i 8.172125004704574 4.6772e-06 deg
node 153.9724044887102 3.0917e-05 deg
peri 214.8262109864044 3.2945e-05 deg
M 88.68828098124159 1.4684e-05 deg
tp 2458882.898294806318
(2020-Feb-03.39829481)
5.1176e-05 TDB
period 1289.1964147316
3.53
1.0562e-05
2.892e-08
d
yr
n .2792437179364551 2.2877e-09 deg/d
Q 2.803068381098787 1.5309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:49  

Additional Information
 Earth MOID = .836481 au 
 Jupiter MOID = 2.66639 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO439778  

120356 (2005 MS8)          Discovered 2005-Jun-28 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2005 MS8 = 2000 EY72 = 2004 EM90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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