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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08931379758136943 3.2078e-08  
a 2.685461643102384 1.4427e-08 au
q 2.445612865497806 8.4085e-08 au
i 21.46473808339818 5.0605e-06 deg
node 195.081567303382 1.0347e-05 deg
peri 279.3769674281034 3.2727e-05 deg
M 114.5411874985923 3.2213e-05 deg
tp 2458489.070190577701
(2019-Jan-05.57019058)
0.00014221 TDB
period 1607.410708870906
4.40
1.2953e-05
3.546e-08
d
yr
n .2239626736423045 1.8048e-09 deg/d
Q 2.925310420706962 1.5716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:40:26  

Additional Information
 Earth MOID = 1.54955 au 
 Jupiter MOID = 2.23357 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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