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JPL Small-Body Database Browser
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100815 (1998 FQ125)
Classification: Main-belt Asteroid          SPK-ID: 2100815
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17714262759817 4.0851e-08  
a 2.790362932167929 1.8271e-08 au
q 2.296070710411168 1.1803e-07 au
i 7.130390618916553 5.7121e-06 deg
node 314.0566145640067 4.3168e-05 deg
peri 154.3103417781353 4.7798e-05 deg
M 325.8891268734999 2.1892e-05 deg
tp 2459161.816876059678
(2020-Nov-08.31687606)
0.00010452 TDB
period 1702.509201864064
4.66
1.6722e-05
4.578e-08
d
yr
n .2114526016105163 2.0769e-09 deg/d
Q 3.28465515392469 2.1508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1993-02-17  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:55:58  

Additional Information
 Earth MOID = 1.31511 au 
 Jupiter MOID = 1.84371 au 
 T_jup = 3.295 
[ 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 14.9   n/a MPO493566  
diameter diameter 6.738 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.32866 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 0.062   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100815 (1998 FQ125)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 FQ125 = 2000 QU42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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