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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14667278084105 9.0725e-05  
a 41.63899717494724 0.0045157 AU
q 35.53168966786511 0.0076304 AU
i 17.68932682556301 0.00016247 deg
node 216.0432194031835 0.00069007 deg
peri 215.6137126744127 0.0044345 deg
M 214.6678300462443 0.0090422 deg
tp 2496619.916617418930
(2123-May-31.41661742)
8.5215 JED
period 98140.62493396511
268.69
15.965
0.04371
d
yr
n .003668205702197531 5.9671e-07 deg/d
Q 47.74630468202938 0.005178 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 = 34.5615 AU 
 T_jup = 5.457 
[ 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 (644)
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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