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100931 (1998 MP11)
Classification: Main-belt Asteroid          SPK-ID: 2100931
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729515739008048 3.6107e-08  
a 2.387470764586524 8.3581e-09 au
q 1.735806861750475 8.8743e-08 au
i 11.4157164661602 4.933e-06 deg
node 224.0300308707484 1.4107e-05 deg
peri 40.24889639306929 1.7907e-05 deg
M 38.49168424382923 7.8638e-06 deg
tp 2459056.431201616344
(2020-Jul-25.93120162)		 2.9455e-05 TDB
period 1347.427851937416
3.69		 7.0757e-06
1.937e-08		 d
yr
n .2671757151838367 1.403e-09 deg/d
Q 3.039134667422574 1.064e-08 au
   Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      9088 days (24.88 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:25  

Additional Information
 Earth MOID = .736243 au 
 Jupiter MOID = 2.07321 au 
 T_jup = 3.457 
[ 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 16.15   n/a E2021B55  

100931 (1998 MP11)          Discovered 1998-Jun-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 MP11 = 1995 UR14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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