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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
312993 (1999 TH170)
Classification: Main-belt Asteroid          SPK-ID: 2312993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197865681975374 3.956e-08  
a 2.42797306410901 1.0786e-08 au
q 1.947560517961242 9.9313e-08 au
i 1.165848883274536 4.168e-06 deg
node 294.7794546560896 0.00031755 deg
peri 136.7191460729933 0.00031823 deg
M 25.8332256389688 1.9622e-05 deg
tp 2458501.339122806321
(2019-Jan-17.83912281)
7.5107e-05 TDB
period 1381.860565483345
3.78
9.2084e-06
2.521e-08
d
yr
n .2605183250699969 1.736e-09 deg/d
Q 2.908385610256778 1.2921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7014 days (19.20 yr)  
   first obs. used      1999-09-30  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54736  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:29:28  

Additional Information
 Earth MOID = .962161 au 
 Jupiter MOID = 2.37599 au 
 T_jup = 3.482 
[ 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 17.1   n/a MPO455307  

312993 (1999 TH170)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1999 TH170 = 2003 WH136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 13:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin