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413154 (2002 EA128)
Classification: Main-belt Asteroid          SPK-ID: 2413154
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631563716273053 8.7475e-08  
a 2.296689005197551 1.7545e-08 au
q 1.921969560353193 1.9266e-07 au
i 3.59622757393145 9.3141e-06 deg
node 345.7080441640234 6.8694e-05 deg
peri 221.2327553097505 7.4418e-05 deg
M 51.97187715897463 2.4308e-05 deg
tp 2458816.965540835876
(2019-Nov-29.46554084)
8.6316e-05 TDB
period 1271.310734014448
3.48
1.4568e-05
3.989e-08
d
yr
n .2831723121405729 3.2449e-09 deg/d
Q 2.671408450041909 2.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:29:59  

Additional Information
 Earth MOID = .919469 au 
 Jupiter MOID = 2.29823 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457489.5 (2016-Apr-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633630086925117 8.7711e-08  
q 1.921249508874104 1.9343e-07 au
tp 2457545.208375430801
(2016-Jun-05.70837543)
9.0292e-05 TDB
node 345.7438576960485 6.8674e-05 deg
peri 220.9534240282003 7.435e-05 deg
i 3.597185591722138 9.3153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:29:59  

Additional Information
 Jupiter MOID = 2.29823 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.693201840033617E-15 -1.693326308181118E-14 -6.069453309480109E-12 -4.022379229673173E-14 -1.931076779820499E-12 6.419012443494006E-15
q -1.693326308181118E-14 3.741431124385954E-14 1.345411074354962E-11 8.741347485723236E-14 4.277732752323021E-12 -1.440447055852545E-14
tp -6.069453309480109E-12 1.345411074354962E-11 8.152688215906644E-9 2.57068084239173E-11 2.580037893305868E-9 -1.108069475128486E-11
node -4.022379229673173E-14 8.741347485723236E-14 2.57068084239173E-11 4.716091824972334E-9 -4.697389574732402E-9 -5.788017544287765E-11
peri -1.931076779820499E-12 4.277732752323021E-12 2.580037893305868E-9 -4.697389574732402E-9 5.527861006194123E-9 5.436461650278233E-11
i 6.419012443494006E-15 -1.440447055852545E-14 -1.108069475128486E-11 -5.788017544287765E-11 5.436461650278233E-11 8.677539286160062E-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 17.6   n/a MPO419031  

413154 (2002 EA128)          Discovered 2002-Mar-12 by NEAT at Palomar
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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