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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07102553316371608 3.5464e-08  
a 2.702289341288409 1.262e-08 au
q 2.510357800060773 9.5844e-08 au
i 2.867353064169705 4.6368e-06 deg
node 191.6681650178094 7.7469e-05 deg
peri 98.61832706139785 8.4284e-05 deg
M 97.45487331093538 3.3818e-05 deg
tp 2458161.264675785521
(2018-Feb-11.76467579)
0.00015242 TDB
period 1622.542940594736
4.44
1.1366e-05
3.112e-08
d
yr
n .2218739430514201 1.5543e-09 deg/d
Q 2.894220882516046 1.3517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1699  
   data-arc span      15070 days (41.26 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:23:50  

Additional Information
 Earth MOID = 1.4955 au 
 Jupiter MOID = 2.21188 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. 2019-January); 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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