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46404 (2002 EV20)
Classification: Main-belt Asteroid          SPK-ID: 2046404
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08959199508254391 3.6552e-08  
a 2.685484101977584 1.6958e-08 au
q 2.444886223518958 1.0042e-07 au
i 21.46526775103224 5.6344e-06 deg
node 195.0855574288424 1.1655e-05 deg
peri 279.3406322808572 3.5608e-05 deg
M 24.95816228153878 3.3052e-05 deg
tp 2458489.059665014835
(2019-Jan-05.55966501)
0.00014738 TDB
period 1607.430873399457
4.40
1.5226e-05
4.169e-08
d
yr
n .2239598641269457 2.1214e-09 deg/d
Q 2.926081980436209 1.8478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1998-05-23  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:37:31  

Additional Information
 Earth MOID = 1.54944 au 
 Jupiter MOID = 2.23491 au 
 T_jup = 3.269 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO432021  
diameter diameter 4.175 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46404 (2002 EV20)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 EV20 = 1999 TM106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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