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17901 (1999 FT25)
Classification: Main-belt Asteroid          SPK-ID: 2017901
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07104044199298366 3.5091e-08  
a 2.702701498678325 1.2267e-08 au
q 2.510700389637118 9.4445e-08 au
i 2.867059919131393 4.3235e-06 deg
node 191.6547457322915 7.7017e-05 deg
peri 98.86005290201388 8.322e-05 deg
M 185.9372322247184 3.2625e-05 deg
tp 2459785.191475650420
(2022-Jul-24.69147565)
0.0001477 TDB
period 1622.914163923039
4.44
1.1049e-05
3.025e-08
d
yr
n .2218231918869812 1.5102e-09 deg/d
Q 2.894702607719533 1.3139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      15404 days (42.17 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:06:38  

Additional Information
 Earth MOID = 1.49651 au 
 Jupiter MOID = 2.21219 au 
 T_jup = 3.361 
[ 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 13.9   n/a MPO365467  
rotation period rot_per 9.70 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

17901 (1999 FT25)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FT25 = 1978 RV7 = 1987 SK18 = 2000 NW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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