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146943 (2002 EY15)
Classification: Main-belt Asteroid          SPK-ID: 2146943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03611814006727158 1.0443e-07  
a 3.06656541051499 3.942e-08 au
q 2.95580677149256 3.2893e-07 au
i 9.354499202139344 8.6422e-06 deg
node 288.1586088582781 5.4122e-05 deg
peri 299.2125273784383 0.00017239 deg
M 8.977925980961055 0.00016795 deg
tp 2458551.584072156163
(2019-Mar-09.08407216)
0.00091505 TDB
period 1961.447895775158
5.37
3.7821e-05
1.035e-07
d
yr
n .1835378858522923 3.539e-09 deg/d
Q 3.177324049537421 4.0844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      5935 days (16.25 yr)  
   first obs. used      2002-02-15  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59644  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:48:02  

Additional Information
 Earth MOID = 1.95684 au 
 Jupiter MOID = 1.92752 au 
 T_jup = 3.211 
[ show covariance matrix ]

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 15.2   n/a MPO436738  
diameter diameter 5.709 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146943 (2002 EY15)          Discovered 2002-Mar-06 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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