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154117 (2002 EJ58)
Classification: Main-belt Asteroid          SPK-ID: 2154117
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009923761879922336 4.1367e-08  
a 2.805417701283242 1.9831e-08 au
q 2.777577404041987 1.1679e-07 au
i 4.553002488243386 4.7268e-06 deg
node 169.657080604077 5.6183e-05 deg
peri 358.411824427259 0.00023981 deg
M 309.7023225909569 0.00023367 deg
tp 2459240.295018391063
(2021-Jan-25.79501839)
0.0011145 TDB
period 1716.306021821637
4.70
1.8199e-05
4.983e-08
d
yr
n .2097528036508935 2.2241e-09 deg/d
Q 2.833257998524496 2.0028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      8818 days (24.14 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:28  

Additional Information
 Earth MOID = 1.78082 au 
 Jupiter MOID = 2.12386 au 
 T_jup = 3.319 
[ 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 15.6   n/a MPO417824  
diameter diameter 4.811 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154117 (2002 EJ58)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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