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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456659.5 (2014-Jan-02.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0730389315368947 3.5171e-08  
q 2.504539057726369 9.4875e-08 au
tp 2456538.654398000368
(2013-Sep-03.15439800)		 0.00014221 TDB
node 191.7035351453975 7.7132e-05 deg
peri 98.54451129033177 8.2997e-05 deg
i 2.863811267533292 4.3239e-06 deg
   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
 Jupiter MOID = 2.21219 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.237032450261763E-15 -3.31320074509162E-15 8.425852612986789E-13 -1.706690993098687E-16 1.718392280401506E-13 5.170890654697639E-16
q -3.31320074509162E-15 9.001265191610733E-15 -2.300425560150599E-12 1.352974941239513E-15 -4.700022934920387E-13 -1.299991125612068E-15
tp 8.425852612986789E-13 -2.300425560150599E-12 2.022419026386426E-8 6.182561883871349E-12 4.374475021688531E-9 1.2088738795136E-13
node -1.706690993098687E-16 1.352974941239513E-15 6.182561883871349E-12 5.949297833053847E-9 -5.940151066174116E-9 -3.31046669650136E-11
peri 1.718392280401506E-13 -4.700022934920387E-13 4.374475021688531E-9 -5.940151066174116E-9 6.888541542173705E-9 3.307569131098767E-11
i 5.170890654697639E-16 -1.299991125612068E-15 1.2088738795136E-13 -3.31046669650136E-11 3.307569131098767E-11 1.869587781217983E-11

[ 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

[ 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 33 CATAB v2.0f-lin.ifort 2020-Dec-18 03:06:42 2020-Dec-18 03:06

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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