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 ]  
312997 (1999 TG245)
Classification: Main-belt Asteroid          SPK-ID: 2312997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183564468458503 6.2322e-08  
a 2.438136221951838 1.4504e-08 au
q 1.905753459600269 1.5295e-07 au
i 2.433943739563803 6.9458e-06 deg
node 4.411222073776171 0.00015626 deg
peri 354.1632884496779 0.00015689 deg
M 160.9751809267497 1.463e-05 deg
tp 2458378.712770844248
(2018-Sep-17.21277084)
5.4733e-05 TDB
period 1390.546053170325
3.81
1.2408e-05
3.397e-08
d
yr
n .2588911019374231 2.3102e-09 deg/d
Q 2.970518984303407 1.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:49:24  

Additional Information
 Earth MOID = .902105 au 
 Jupiter MOID = 2.47938 au 
 T_jup = 3.469 
[ 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 17.3   n/a MPO460291  

312997 (1999 TG245)          Discovered 1999-Oct-07 by CSS at Catalina
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1999 TG245 = 2003 VY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 17:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin