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JPL Small-Body Database Browser
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100930 (1998 MG9)
Classification: Main-belt Asteroid          SPK-ID: 2100930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128957581042146 4.4531e-08  
a 2.33563059681174 1.0766e-08 au
q 1.838384750252105 1.0726e-07 au
i 5.986221329176246 5.8711e-06 deg
node 171.8370544898431 4.503e-05 deg
peri 140.883069960279 4.7123e-05 deg
M 19.97443888558141 1.4972e-05 deg
tp 2458928.160292557407
(2020-Mar-19.66029256)
5.3974e-05 TDB
period 1303.781038782126
3.57
9.0143e-06
2.468e-08
d
yr
n .2761199843313255 1.9091e-09 deg/d
Q 2.832876443371374 1.3058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1998-06-19  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:32  

Additional Information
 Earth MOID = .829286 au 
 Jupiter MOID = 2.47406 au 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO280444  

100930 (1998 MG9)          Discovered 1998-Jun-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 MG9 = 2002 RU94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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