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46815 (1998 MG3)
Classification: Main-belt Asteroid          SPK-ID: 2046815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20316249891868 3.4233e-08  
a 2.320065155913765 5.9905e-09 au
q 1.848714921184167 8.0147e-08 au
i 3.317596091271251 2.9843e-06 deg
node 98.10563542344781 6.8494e-05 deg
peri 139.7508805609745 6.8871e-05 deg
M 146.3211127037125 8.2355e-06 deg
tp 2458675.869912594747
(2019-Jul-11.36991259)
2.8794e-05 TDB
period 1290.769513544706
3.53
4.9992e-06
1.369e-08
d
yr
n .2789033953950225 1.0802e-09 deg/d
Q 2.791415390643362 7.2075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1452  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1998-06-21  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:36  

Additional Information
 Earth MOID = .836735 au 
 Jupiter MOID = 2.21595 au 
 T_jup = 3.548 
[ 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 15.59   n/a MPCxxxxx  

46815 (1998 MG3)          Discovered 1998-Jun-21 by Tesi, L., Boattini, A. at San Marcello
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MG3 = 2001 CW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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