Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
74820 (1999 TN11)
Classification: Main-belt Asteroid          SPK-ID: 2074820
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .293660163934863 1.0558e-07  
a 2.369212965509492 2.738e-08 AU
q 1.673469497661372 2.5126e-07 AU
i 22.99437144176169 1.056e-05 deg
node 99.39039588824149 3.2099e-05 deg
peri 248.2341275012985 3.7296e-05 deg
M 72.4331843701078 2.963e-05 deg
tp 2456732.496999987558
(2014-Mar-15.99699999)
0.00010667 JED
period 1332.001082701197
3.65
2.309e-05
6.322e-08
d
yr
n .2702700505843038 4.685e-09 deg/d
Q 3.064956433357613 3.542e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      5591 days (15.31 yr)  
   first obs. used      1999-10-07  
   last obs. used      2015-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49401  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:32:41  

Additional Information
 Earth MOID = .782388 AU 
 T_jup = 3.384 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO329474  

74820 (1999 TN11)          Discovered 1999-Oct-07 by McNaught, R. H. at Siding Spring
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-28 19:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin