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 ]  
85503 (1997 TF25)
Classification: Main-belt Asteroid          SPK-ID: 2085503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879521838448423 4.1572e-08  
a 2.366814332342313 8.9936e-09 au
q 1.921966409823302 9.8757e-08 au
i 5.728801179097999 4.2217e-06 deg
node 53.65363900686788 3.9908e-05 deg
peri 340.3354955654524 4.1182e-05 deg
M 113.3827240156874 9.2604e-06 deg
tp 2458781.620507646043
(2019-Oct-25.12050765)
3.4138e-05 TDB
period 1329.978782539752
3.64
7.5806e-06
2.075e-08
d
yr
n .2706810098974192 1.5428e-09 deg/d
Q 2.811662254861323 1.0684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      8564 days (23.45 yr)  
   first obs. used      1997-10-10  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:49  

Additional Information
 Earth MOID = .928711 au 
 Jupiter MOID = 2.61874 au 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.94   n/a E2021B10  

85503 (1997 TF25)          Discovered 1997-Oct-10 by Sarounova, L. at Ondrejov
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 TF25 = 2001 QD178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 19:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin