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 ]  
70556 (1999 TH140)
Classification: Main-belt Asteroid          SPK-ID: 2070556
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167423217465166 6.3651e-08  
a 2.54923078105733 1.5732e-08 au
q 2.122430361631474 1.5691e-07 au
i 4.933312100487703 6.402e-06 deg
node 18.47036481680883 4.135e-05 deg
peri 201.5530101990025 4.327e-05 deg
M 194.9221968744374 1.4331e-05 deg
tp 2459682.207916521439
(2022-Apr-12.70791652)		 6.0121e-05 TDB
period 1486.661715270397
4.07		 1.3762e-05
3.768e-08		 d
yr
n .2421532728678107 2.2415e-09 deg/d
Q 2.976031200483186 1.8366e-08 au
   Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      9131 days (25.00 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:09  

Additional Information
 Earth MOID = 1.11564 au 
 Jupiter MOID = 2.00314 au 
 T_jup = 3.416 
[ 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 14.9   n/a MPO351340  

70556 (1999 TH140)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TH140 = 1995 WC39 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-27 21:07 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin