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37748 (1997 AF2)
Classification: Main-belt Asteroid          SPK-ID: 2037748
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578561083038756 4.8031e-08  
a 2.748850239491167 1.5622e-08 au
q 2.314927438374915 1.3607e-07 au
i 10.22825769662511 4.5393e-06 deg
node 122.7425512687504 3.358e-05 deg
peri 290.7985144943151 3.8374e-05 deg
M 15.9959803516175 1.6894e-05 deg
tp 2458526.533782956406
(2019-Feb-12.03378296)
7.8063e-05 TDB
period 1664.65809224387
4.56
1.419e-05
3.885e-08
d
yr
n .2162606253364253 1.8435e-09 deg/d
Q 3.18277304060742 1.8088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      8367 days (22.91 yr)  
   first obs. used      1996-11-11  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:44:07  

Additional Information
 Earth MOID = 1.34975 au 
 Jupiter MOID = 2.20847 au 
 T_jup = 3.306 
[ 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 14.7   n/a MPO452695  
diameter diameter 3.487 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37748 (1997 AF2)          Discovered 1997-Jan-03 by Kobayashi, T. at Oizumi
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AF2 = 2000 SJ222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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