Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
17901 (1999 FT25)
Classification: Main-belt Asteroid          SPK-ID: 2017901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07105718388655413 3.4493e-08  
a 2.702506083584095 1.2061e-08 au
q 2.510473611848329 9.3213e-08 au
i 2.867327609200832 4.3006e-06 deg
node 191.6456703682757 7.6027e-05 deg
peri 98.98429695993732 8.2272e-05 deg
M 230.174284125064 3.2636e-05 deg
tp 2459785.703173400919
(2022-Jul-25.20317340)
0.00014761 TDB
period 1622.738153258304
4.44
1.0863e-05
2.974e-08
d
yr
n .2218472519901959 1.4852e-09 deg/d
Q 2.894538555319861 1.2918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1820  
   data-arc span      15479 days (42.38 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:35:46  

Additional Information
 Earth MOID = 1.49435 au 
 Jupiter MOID = 2.21164 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 13.92   n/a E2021B10  
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 35 CATAB v2.0f-lin.ifort 2021-Feb-24 02:35:50 2021-Feb-24 02:35

Alternate Designations
 1999 FT25 = 1978 RV7 = 1987 SK18 = 2000 NW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-08 01:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin