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JPL Small-Body Database Browser
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39910 (1998 FJ37)
Classification: Main-belt Asteroid          SPK-ID: 2039910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365331006862131 6.8939e-08  
a 2.622005372545322 1.4198e-08 au
q 2.2640148490158 1.7793e-07 au
i 15.07103061350689 5.7344e-06 deg
node 353.8770986561945 1.5971e-05 deg
peri 352.6460087241708 2.3268e-05 deg
M 262.2835132732558 2.1029e-05 deg
tp 2459421.434125706237
(2021-Jul-25.93412571)
9.2133e-05 TDB
period 1550.775005634448
4.25
1.2596e-05
3.449e-08
d
yr
n .2321419926759253 1.8855e-09 deg/d
Q 2.979995896074845 1.6136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      25597 days (70.08 yr)  
   first obs. used      1949-12-22  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:30  

Additional Information
 Earth MOID = 1.25843 au 
 Jupiter MOID = 2.44709 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO474256  
diameter diameter 5.696 km 1.457 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.922023 h n/a LCDB (Rev. 2019-August); 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 0.377   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39910 (1998 FJ37)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FJ37 = 1987 SB31 = 2000 QG151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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