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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07604993575764751 3.6021e-08  
a 2.683296438312037 1.2144e-08 au
q 2.479231916559682 9.5369e-08 au
i 2.484970176243318 4.1991e-06 deg
node 172.8614255232231 8.422e-05 deg
peri 149.5642044384624 8.8408e-05 deg
M 66.91037103585982 2.6019e-05 deg
tp 2458902.104447680484
(2020-Feb-22.60444768)
0.00011603 TDB
period 1605.467092350362
4.40
1.0899e-05
2.984e-08
d
yr
n .2242338081641831 1.5222e-09 deg/d
Q 2.887360960064392 1.3067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:14  

Additional Information
 Earth MOID = 1.46513 au 
 Jupiter MOID = 2.33047 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 14.88   n/a E2021B10  

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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