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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252055584394548 4.9557e-08  
a 2.695986609046429 1.8473e-08 au
q 2.358434100115478 1.3053e-07 au
i 12.27950621406001 5.4318e-06 deg
node 215.7667419641956 2.3176e-05 deg
peri 219.7839054212808 3.0163e-05 deg
M 192.0745689591325 2.0746e-05 deg
tp 2459354.704282270342
(2021-May-20.20428227)
9.6126e-05 TDB
period 1616.869701833582
4.43
1.6618e-05
4.55e-08
d
yr
n .2226524497253851 2.2885e-09 deg/d
Q 3.033539117977379 2.0786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1998-09-26  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:07  

Additional Information
 Earth MOID = 1.38527 au 
 Jupiter MOID = 2.33058 au 
 T_jup = 3.326 
[ 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 MPO309516  

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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