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79114 (1981 EJ46)
Classification: Main-belt Asteroid          SPK-ID: 2079114
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02351857517547845 3.9961e-08  
a 2.807808825558857 1.4113e-08 au
q 2.741773162616579 1.0687e-07 au
i 2.330887848915208 3.6255e-06 deg
node 209.1675144517992 8.9987e-05 deg
peri 291.7843710748027 0.00012029 deg
M 156.3062259917909 8.2124e-05 deg
tp 2458254.354532013507
(2018-May-15.85453201)
0.00038994 TDB
period 1718.500762018557
4.70
1.2956e-05
3.547e-08
d
yr
n .2094849231123661 1.5794e-09 deg/d
Q 2.873844488501135 1.4445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      14498 days (39.69 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:23  

Additional Information
 Earth MOID = 1.75473 au 
 Jupiter MOID = 2.10734 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457223.5 (2015-Jul-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02348527340832709 3.8479e-08  
q 2.739536434258967 1.0281e-07 au
tp 2456511.140242570719
(2013-Aug-06.64024257)
0.00040457 TDB
node 209.294354824009 8.9839e-05 deg
peri 285.9886319520528 0.00012308 deg
i 2.332870589258726 3.6289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      14498 days (39.69 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:23  

Additional Information
 Jupiter MOID = 2.10734 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.48062595779051E-15 -3.9274537961347E-15 6.265300640856432E-12 1.07781506424981E-14 1.303776953375289E-12 6.263295341163919E-16
q -3.9274537961347E-15 1.057005831107598E-14 -1.535508884333209E-11 -2.913336803714837E-14 -3.184200472243735E-12 -1.533369317851833E-15
tp 6.265300640856432E-12 -1.535508884333209E-11 1.636763057817046E-7 9.472063298787181E-11 3.404894047272292E-8 4.846510519317532E-12
node 1.07781506424981E-14 -2.913336803714837E-14 9.472063298787181E-11 8.071124478005992E-9 -8.044532042689951E-9 -8.559824191792026E-11
peri 1.303776953375289E-12 -3.184200472243735E-12 3.404894047272292E-8 -8.044532042689951E-9 1.514769359084556E-8 8.655751050233121E-11
i 6.263295341163919E-16 -1.533369317851833E-15 4.846510519317532E-12 -8.559824191792026E-11 8.655751050233121E-11 1.316863363961168E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO250888  

79114 (1981 EJ46)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1981 EJ46 = 2000 FO5 = 2002 TV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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