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JPL Small-Body Database Browser
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39762 (1997 FE1)
Classification: Main-belt Asteroid          SPK-ID: 2039762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03168044874672409 5.0241e-08  
a 2.721516080763307 1.5692e-08 au
q 2.6352972300533 1.3592e-07 au
i 5.427585680585046 5.9774e-06 deg
node 28.8496083802247 4.8005e-05 deg
peri 26.00401794148664 0.00010055 deg
M 98.92315006611689 8.7033e-05 deg
tp 2458149.880251655749
(2018-Jan-31.38025166)
0.00039672 TDB
period 1639.890251124292
4.49
1.4183e-05
3.883e-08
d
yr
n .2195268858712878 1.8986e-09 deg/d
Q 2.807734931473314 1.6189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1997-03-29  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:08  

Additional Information
 Earth MOID = 1.64597 au 
 Jupiter MOID = 2.29292 au 
 T_jup = 3.351 
[ 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 MPO337580  
diameter diameter 6.578 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.90702 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.078   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39762 (1997 FE1)          Discovered 1997-Mar-29 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 FE1 = 1999 VV89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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