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JPL Small-Body Database Browser
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37303 (2001 EF23)
Classification: Main-belt Asteroid          SPK-ID: 2037303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07959828761859812 3.9211e-08  
a 2.691096182024698 1.4209e-08 au
q 2.476889534118585 1.0403e-07 au
i 9.80266202827077 4.4748e-06 deg
node 177.6993900976921 2.3451e-05 deg
peri 241.3570713423629 3.5603e-05 deg
M 252.1313021451965 2.7508e-05 deg
tp 2459483.653569456304
(2021-Sep-26.15356946)
0.00012422 TDB
period 1612.47227845834
4.41
1.277e-05
3.496e-08
d
yr
n .2232596521561229 1.7682e-09 deg/d
Q 2.905302829930811 1.534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      9033 days (24.73 yr)  
   first obs. used      1994-09-27  
   last obs. used      2019-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:28:43  

Additional Information
 Earth MOID = 1.50457 au 
 Jupiter MOID = 2.36899 au 
 T_jup = 3.346 
[ 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 14.5   n/a MPO347791  
diameter diameter 3.650 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37303 (2001 EF23)          Discovered 2001-Mar-15 by Spacewatch at Kitt Peak
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EF23 = 2000 AM173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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