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46405 (2002 EJ28)
Classification: Main-belt Asteroid          SPK-ID: 2046405
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 .06348416766308929 3.4316e-08  
a 2.683849917594567 1.38e-08 au
q 2.513467939443425 9.6086e-08 au
i 1.994578752294296 4.6768e-06 deg
node 3.429634146071367 0.00010322 deg
peri 292.3319636983738 0.00011041 deg
M 284.7820059458839 4.0144e-05 deg
tp 2459336.048276657872
(2021-May-01.54827666)
0.00017921 TDB
period 1605.963853674768
4.40
1.2387e-05
3.391e-08
d
yr
n .2241644475224319 1.729e-09 deg/d
Q 2.854231895745709 1.4676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8960 days (24.53 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:00  

Additional Information
 Earth MOID = 1.49838 au 
 Jupiter MOID = 2.26046 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06238416675812025 3.4239e-08  
q 2.518867863358276 9.5689e-08 au
tp 2457724.630236104649
(2016-Dec-02.13023610)
0.00018215 TDB
node 3.458026786513778 0.00010321 deg
peri 291.1088213258102 0.00011063 deg
i 1.994745565188891 4.6743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8960 days (24.53 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:00  

Additional Information
 Jupiter MOID = 2.26046 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.172306727708323E-15 -3.247691179333982E-15 4.57122408222708E-13 5.144245995219955E-15 1.304863161303494E-13 4.040364321806414E-16
q -3.247691179333982E-15 9.156427310281049E-15 -1.22540161502339E-12 -1.495910370398919E-14 -3.638874236253321E-13 -1.087873144013108E-15
tp 4.57122408222708E-13 -1.22540161502339E-12 3.317700369923061E-8 -9.110494098106923E-12 7.267318252032443E-9 1.746522909448981E-12
node 5.144245995219955E-15 -1.495910370398919E-14 -9.110494098106923E-12 1.065173843702237E-8 -1.064682115109643E-8 1.309809080766353E-11
peri 1.304863161303494E-13 -3.638874236253321E-13 7.267318252032443E-9 -1.064682115109643E-8 1.224008862108774E-8 -1.270344668513385E-11
i 4.040364321806414E-16 -1.087873144013108E-15 1.746522909448981E-12 1.309809080766353E-11 -1.270344668513385E-11 2.184938412008865E-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 15.4   n/a MPO266174  

46405 (2002 EJ28)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 EJ28 = 2000 WJ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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