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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579268642971938 4.1329e-08  
a 2.748185058552364 1.3934e-08 au
q 2.314172809746789 1.1464e-07 au
i 10.22933113681926 4.508e-06 deg
node 122.7427851614479 2.8992e-05 deg
peri 290.6859271155296 3.4364e-05 deg
M 102.6094346071637 1.6909e-05 deg
tp 2458526.201029664275
(2019-Feb-11.70102966)
7.7816e-05 TDB
period 1664.053894990865
4.56
1.2656e-05
3.465e-08
d
yr
n .2163391468771967 1.6453e-09 deg/d
Q 3.182197307357939 1.6134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1996-11-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:28:11  

Additional Information
 Earth MOID = 1.3494 au 
 Jupiter MOID = 2.20962 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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