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 ]  
185772 (1999 TH176)
Classification: Main-belt Asteroid          SPK-ID: 2185772
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986642319021463 4.8219e-08  
a 2.223171860728079 1.1557e-08 au
q 1.78150713063007 1.0415e-07 au
i 2.688628491035633 7.1199e-06 deg
node 30.70501028058575 0.00011425 deg
peri 301.9243827011619 0.00011588 deg
M 120.5388472212239 2.2425e-05 deg
tp 2458595.101147474276
(2019-Apr-21.60114747)
7.3971e-05 TDB
period 1210.759769764611
3.31
9.4414e-06
2.585e-08
d
yr
n .2973339625167668 2.3186e-09 deg/d
Q 2.664836590826089 1.3853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1999-10-07  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:32:14  

Additional Information
 Earth MOID = .773054 au 
 Jupiter MOID = 2.69792 au 
 T_jup = 3.620 
[ 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 MPO449930  

185772 (1999 TH176)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 TH176 = 2005 KW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-21 23:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin