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 ]  
118247 (1997 TH1)
Classification: Main-belt Asteroid          SPK-ID: 2118247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973406728825787 3.9756e-08  
a 2.426354487625193 6.7212e-09 au
q 1.947536060385573 9.5747e-08 au
i 1.946039360518938 3.6299e-06 deg
node 321.8396284011453 0.00013262 deg
peri 24.62679085286777 0.00013301 deg
M 46.353927705383 9.6962e-06 deg
tp 2459022.748267720077
(2020-Jun-22.24826772)
3.705e-05 TDB
period 1380.478996892881
3.78
5.736e-06
1.57e-08
d
yr
n .2607790490186896 1.0836e-09 deg/d
Q 2.905172914864812 8.0475e-09 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      8579 days (23.49 yr)  
   first obs. used      1997-07-16  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:16  

Additional Information
 Earth MOID = .938886 au 
 Jupiter MOID = 2.51231 au 
 T_jup = 3.483 
[ 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 16.32   n/a E2021B55  

118247 (1997 TH1)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1997 TH1 = 2001 QF182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-11 04:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin