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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14438181589435 9.092e-05  
a 41.71697814233062 0.0045379 au
q 35.69380508451601 0.0076749 au
i 17.67664484730727 0.00016204 deg
node 215.9626651479564 0.00069017 deg
peri 215.5344793281762 0.0044894 deg
M 216.1866101869053 0.009219 deg
tp 2496716.064162986040
(2123-Sep-04.56416299)
8.5469 JED
period 98416.44868443423
269.45
16.058
0.04396
d
yr
n .003657925121382056 5.9685e-07 deg/d
Q 47.74015120014522 0.005193 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      20253 days (55.45 yr)  
   first obs. used      1954-04-08  
   last obs. used      2009-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .29586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 13:20:21  

Additional Information
 Earth MOID = 34.7231 au 
 Jupiter MOID = 30.7151 au 
 T_jup = 5.464 
[ 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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