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 ]  
74958 (1999 TL197)
Classification: Main-belt Asteroid          SPK-ID: 2074958
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162916085217794 6.7685e-08  
a 2.331574856283852 1.3516e-08 au
q 2.060432265857666 1.6041e-07 au
i 7.328230127292187 7.1731e-06 deg
node 9.8698737843713 2.8941e-05 deg
peri 12.33540893608776 3.5224e-05 deg
M 299.4760480453996 2.3615e-05 deg
tp 2459219.123704405765
(2021-Jan-04.62370441)
8.6627e-05 TDB
period 1300.386558450651
3.56
1.1307e-05
3.096e-08
d
yr
n .2768407575889765 2.4072e-09 deg/d
Q 2.602717446710038 1.5088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1994-04-06  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:42  

Additional Information
 Earth MOID = 1.06357 au 
 Jupiter MOID = 2.86098 au 
 T_jup = 3.551 
[ 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 16.3   n/a MPO436308  

74958 (1999 TL197)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 23:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin