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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878420578765214 4.1768e-08  
a 2.366917213405335 9.4472e-09 au
q 1.922310613215915 9.9468e-08 au
i 5.728835912234628 4.4345e-06 deg
node 53.66045487273037 4.0438e-05 deg
peri 340.3459684595967 4.2066e-05 deg
M 59.24301539855965 9.9143e-06 deg
tp 2458781.619191773898
(2019-Oct-25.11919177)
3.6763e-05 TDB
period 1330.065501076984
3.64
7.9631e-06
2.18e-08
d
yr
n .2706633618483451 1.6205e-09 deg/d
Q 2.811523813594755 1.1222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1997-10-10  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:46  

Additional Information
 Earth MOID = .930157 au 
 Jupiter MOID = 2.61774 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 15.9   n/a MPO449531  

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 2020-Nov-30 15:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin