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35121 (1992 EP8)
Classification: Main-belt Asteroid          SPK-ID: 2035121
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137561518284157 3.3046e-08  
a 2.204615471366391 7.5144e-09 au
q 1.953826899082361 7.2517e-08 au
i 4.018808006551612 3.3138e-06 deg
node 75.58665641604009 6.1337e-05 deg
peri 138.58712462 6.3981e-05 deg
M 60.89381822863738 1.8589e-05 deg
tp 2458398.259370282502
(2018-Oct-06.75937028)
6.142e-05 TDB
period 1195.632476599396
3.27
6.113e-06
1.674e-08
d
yr
n .3010958693794499 1.5394e-09 deg/d
Q 2.45540404365042 8.3692e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      10046 days (27.50 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:15  

Additional Information
 Earth MOID = .949117 au 
 Jupiter MOID = 2.5117 au 
 T_jup = 3.650 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456797.5 (2014-May-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138189549599053 3.3069e-08  
q 1.953591893873496 7.258e-08 au
tp 2457202.251280603429
(2015-Jun-28.75128060)
5.9794e-05 TDB
node 75.61898313324106 6.1311e-05 deg
peri 138.50083224287 6.3944e-05 deg
i 4.019923987333462 3.3144e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      10046 days (27.50 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:15  

Additional Information
 Jupiter MOID = 2.5117 au 
 T_jup = 3.650 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.093591637610075E-15 -2.390244196723656E-15 -5.078113158456806E-13 -8.549446748833443E-15 -1.52567211460446E-13 -5.07555141737059E-16
q -2.390244196723656E-15 5.267811581333572E-15 1.20480647738071E-12 1.970670467284948E-14 3.577993724183463E-13 1.16440880985963E-15
tp -5.078113158456806E-13 1.20480647738071E-12 3.575309629033223E-9 8.353830383141583E-12 1.104290739164146E-9 1.769685482048143E-13
node -8.549446748833443E-15 1.970670467284948E-14 8.353830383141583E-12 3.758992707105833E-9 -3.746950968079022E-9 1.513570311682891E-11
peri -1.52567211460446E-13 3.577993724183463E-13 1.104290739164146E-9 -3.746950968079022E-9 4.088895632473816E-9 -1.502746409123173E-11
i -5.07555141737059E-16 1.16440880985963E-15 1.769685482048143E-13 1.513570311682891E-11 -1.502746409123173E-11 1.098503672535293E-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 15.4   n/a MPO337547  

35121 (1992 EP8)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EP8 = 1999 LO21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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