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90300 (2003 EJ40)
Classification: Main-belt Asteroid          SPK-ID: 2090300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137054185600496 5.3212e-08  
a 2.536647888663185 1.6555e-08 au
q 2.248217278743271 1.3773e-07 au
i 26.3845297795699 8.021e-06 deg
node 141.2194803728435 1.0605e-05 deg
peri 145.4079450040891 4.704e-05 deg
M 15.82182646273308 4.1582e-05 deg
tp 2458935.645095592276
(2020-Mar-27.14509559)
0.00017056 TDB
period 1475.668162697529
4.04
1.4446e-05
3.955e-08
d
yr
n .2439572859943785 2.3883e-09 deg/d
Q 2.825078498583098 1.8438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      7784 days (21.31 yr)  
   first obs. used      1999-04-10  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:20  

Additional Information
 Earth MOID = 1.25899 au 
 Jupiter MOID = 2.54177 au 
 T_jup = 3.294 
[ 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 15.1   n/a MPO436404  
diameter diameter 6.572 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90300 (2003 EJ40)          Discovered 2003-Mar-08 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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