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46958 (1998 SM129)
Classification: Main-belt Asteroid          SPK-ID: 2046958
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07615302250238276 4.3112e-08  
a 2.683349175987337 1.4752e-08 au
q 2.479004025806623 1.1903e-07 au
i 2.484962556610184 4.5642e-06 deg
node 172.8613795361126 9.62e-05 deg
peri 149.5020606734376 9.9904e-05 deg
M 22.11184399381784 2.6535e-05 deg
tp 2458901.886432048782
(2020-Feb-22.38643205)
0.00011825 TDB
period 1605.514423508243
4.40
1.324e-05
3.625e-08
d
yr
n .2242271976687426 1.8491e-09 deg/d
Q 2.887694326168051 1.5876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      7644 days (20.93 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58939  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:27  

Additional Information
 Earth MOID = 1.46686 au 
 Jupiter MOID = 2.33111 au 
 T_jup = 3.370 
[ 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 14.8   n/a MPO293703  

46958 (1998 SM129)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SM129 = 2000 CN10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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