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46750 (1998 EL14)
Classification: Main-belt Asteroid          SPK-ID: 2046750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2427901345793795 4.489e-08  
a 2.650067104925991 1.7923e-08 au
q 2.006656955876623 1.2014e-07 au
i 12.73907019465264 6.2115e-06 deg
node 3.356181737834703 2.3886e-05 deg
peri 214.3797816302901 2.7976e-05 deg
M 29.15454700150133 1.7906e-05 deg
tp 2458872.889170756579
(2020-Jan-24.38917076)
7.7635e-05 TDB
period 1575.737003400052
4.31
1.5986e-05
4.377e-08
d
yr
n .2284645211879957 2.3178e-09 deg/d
Q 3.293477253975359 2.2275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:02  

Additional Information
 Earth MOID = 1.01434 au 
 Jupiter MOID = 1.74213 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457074.5 (2015-Feb-21.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .242910473486705 4.4874e-08  
q 2.006704885562106 1.2043e-07 au
tp 2457296.006091099075
(2015-Sep-30.50609110)
6.9367e-05 TDB
node 3.391241949710209 2.3885e-05 deg
peri 214.0657554815092 2.7966e-05 deg
i 12.73954684102926 6.2114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:02  

Additional Information
 Jupiter MOID = 1.74213 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.013643831073554E-15 -5.36809992432505E-15 -1.262220599424638E-12 -4.90712163385069E-15 -2.139290969448085E-13 1.048530565906963E-15
q -5.36809992432505E-15 1.450301146316753E-14 3.75973577007984E-12 1.494276673594251E-14 6.440842423666392E-13 -2.454557546583003E-15
tp -1.262220599424638E-12 3.75973577007984E-12 4.811832205713374E-9 5.438310267026841E-12 1.035244801452608E-9 7.721722313683437E-12
node -4.90712163385069E-15 1.494276673594251E-14 5.438310267026841E-12 5.704964759899938E-10 -5.550205928177891E-10 -5.740573428658579E-11
peri -2.139290969448085E-13 6.440842423666392E-13 1.035244801452608E-9 -5.550205928177891E-10 7.821169177542921E-10 5.77088078432951E-11
i 1.048530565906963E-15 -2.454557546583003E-15 7.721722313683437E-12 -5.740573428658579E-11 5.77088078432951E-11 3.858155536024783E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO468331  

46750 (1998 EL14)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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