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17894 (1999 FP)
Classification: Main-belt Asteroid          SPK-ID: 2017894
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07203887240502058 4.4926e-08  
a 2.755607487837394 1.1793e-08 au
q 2.557096631622756 1.2325e-07 au
i 5.126101541635573 4.7831e-06 deg
node 1.974535765224046 3.6184e-05 deg
peri 358.8951080607987 4.3956e-05 deg
M 66.81858199292847 2.3419e-05 deg
tp 2458690.387540562756
(2019-Jul-25.88754056)
0.00010901 TDB
period 1670.799979101967
4.57
1.0726e-05
2.937e-08
d
yr
n .2154656478949056 1.3832e-09 deg/d
Q 2.954118344052031 1.2643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1747  
   data-arc span      12775 days (34.98 yr)  
   first obs. used      1985-02-13  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:32  

Additional Information
 Earth MOID = 1.55374 au 
 Jupiter MOID = 2.39611 au 
 T_jup = 3.334 
[ 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 MPO309294  
diameter diameter 9.799 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.960 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.066   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17894 (1999 FP)          Discovered 1999-Mar-17 by ODAS at Caussols
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FP = 1985 CO = 2000 OT23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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