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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475594642042932 9.2322e-05  
a 41.61504158582185 0.0046188 AU
q 35.47434834657859 0.0077789 AU
i 17.69633408734533 0.00010439 deg
node 216.086202763795 0.00040684 deg
peri 215.4958227111945 0.0043635 deg
M 214.0877332449275 0.010266 deg
tp 2496543.736385730700
(2123-Mar-16.23638573)
9.2084 JED
period 98055.94428109084
268.46
16.325
0.0447
d
yr
n .003671373547410961 6.1122e-07 deg/d
Q 47.7557348250651 0.0053003 AU
  Orbit Determination Parameters
   # obs. used (total)      58  
   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      .48371  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-10 19:52:08  

Additional Information
 Earth MOID = 34.5035 AU 
 T_jup = 5.454 
[ 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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