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17906 (1999 FG32)
Classification: Main-belt Asteroid          SPK-ID: 2017906
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170399340063025 3.9648e-08  
a 2.472114598781435 1.1137e-08 au
q 2.050867902588909 9.791e-08 au
i 10.69750364272136 5.2927e-06 deg
node 46.78320408410158 1.9441e-05 deg
peri 305.4821082943288 2.4177e-05 deg
M 11.16172469905407 1.5357e-05 deg
tp 2458956.482017684953
(2020-Apr-16.98201769)
6.0457e-05 TDB
period 1419.715506400163
3.89
9.5939e-06
2.627e-08
d
yr
n .2535719292894233 1.7135e-09 deg/d
Q 2.893361294973961 1.3035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      23955 days (65.59 yr)  
   first obs. used      1954-12-30  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:16:32  

Additional Information
 Earth MOID = 1.06783 au 
 Jupiter MOID = 2.60357 au 
 T_jup = 3.440 
[ 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 13.7   n/a MPO395175  
diameter diameter 7.474 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.82134 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 0.072   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17906 (1999 FG32)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FG32 = 1981 UH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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