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46817 (1998 MG16)
Classification: Main-belt Asteroid          SPK-ID: 2046817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245891634110027 5.3742e-08  
a 2.403643917355446 8.6186e-09 au
q 1.86381154081864 1.2769e-07 au
i 2.745774264192766 4.2541e-06 deg
node 150.0541094880938 9.8897e-05 deg
peri 224.7420458242909 9.9251e-05 deg
M 274.9976224894116 1.0229e-05 deg
tp 2459321.889878084652
(2021-Apr-17.38987808)
3.9568e-05 TDB
period 1361.142587994816
3.73
7.3209e-06
2.004e-08
d
yr
n .2644836795021883 1.4225e-09 deg/d
Q 2.943476293892251 1.0554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      11567 days (31.67 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:24  

Additional Information
 Earth MOID = .865887 au 
 Jupiter MOID = 2.51973 au 
 T_jup = 3.488 
[ 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 16.1   n/a MPO436109  

46817 (1998 MG16)          Discovered 1998-Jun-24 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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