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307261 (2002 MS4)
Classification: TransNeptunian Object          SPK-ID: 2307261
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430972731641233 9.0705e-05  
a 41.76940031606686 0.0045319 au
q 35.79231302913702 0.0076715 au
i 17.67214068491521 0.0001526 deg
node 215.9327948304055 0.0006622 deg
peri 215.3137312631432 0.0040561 deg
M 217.1499814983736 0.0087215 deg
tp 2496726.332132550770
(2123-Sep-14.83213255)
8.4149 JED
period 98602.01430465977
269.96
16.047
0.04393
d
yr
n .003651041031349265 5.9419e-07 deg/d
Q 47.74648760299669 0.0051804 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      20569 days (56.31 yr)  
   first obs. used      1954-04-08  
   last obs. used      2010-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .29526  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 12:47:36  

Additional Information
 Earth MOID = 34.8205 au 
 Jupiter MOID = 30.8122 au 
 T_jup = 5.468 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.7 mag n/a MPO212172  

307261 (2002 MS4)          Discovered 2002-Jun-18 by Trujillo, C. A., Brown, M. E. at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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