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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07104044365631877 3.5228e-08  
a 2.702701498988012 1.2406e-08 au
q 2.510700385429306 9.491e-08 au
i 2.86706042607892 4.4248e-06 deg
node 191.6547444273756 7.7155e-05 deg
peri 98.86005404701342 8.3533e-05 deg
M 185.937232236546 3.2968e-05 deg
tp 2459785.191475731970
(2022-Jul-24.69147573)
0.00014913 TDB
period 1622.914164201979
4.44
1.1174e-05
3.059e-08
d
yr
n .2218231918488551 1.5273e-09 deg/d
Q 2.894702612546718 1.3287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1742  
   data-arc span      15124 days (41.41 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:52  

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. 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:
[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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2098-Jan-31 04:45 00:03 Iris 0.00684896577284316 0.00684291834831006 0.00685504134777866 4.7274478948415 4.72744771729125 2487369.698215440 3.048984572609 762.550708918386 45.5304388219285 66.8951739917597 20694.9389608321 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 22:15:08 2020-Feb-22 22:15

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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