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46973 (1998 SE139)
Classification: Main-belt Asteroid          SPK-ID: 2046973
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260363553615957 3.9845e-08  
a 2.692670447194327 1.271e-08 au
q 2.353296077840076 1.1159e-07 au
i 12.2759276992637 5.0347e-06 deg
node 215.6940791630755 1.7351e-05 deg
peri 220.4166594062399 2.5572e-05 deg
M 325.2503901487398 1.854e-05 deg
tp 2459356.283215872319
(2021-May-21.78321587)
8.3254e-05 TDB
period 1613.887406335899
4.42
1.1427e-05
3.129e-08
d
yr
n .223063888215925 1.5794e-09 deg/d
Q 3.032044816548578 1.4312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      8198 days (22.44 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:23  

Additional Information
 Earth MOID = 1.38032 au 
 Jupiter MOID = 2.33215 au 
 T_jup = 3.327 
[ 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 14.87   n/a E2021B10  

46973 (1998 SE139)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SE139 = 2000 EJ144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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