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 ]  
185661 (1993 TY23)
Classification: Main-belt Asteroid          SPK-ID: 2185661
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2216881054256682 6.0287e-08  
a 2.536594694245769 1.0304e-08 au
q 1.974261822245622 1.556e-07 au
i 5.052336356857995 6.3674e-06 deg
node 182.7739403696709 4.8977e-05 deg
peri 179.677067230727 5.0286e-05 deg
M 222.1040492140885 1.3058e-05 deg
tp 2459565.728509799034
(2021-Dec-17.22850980)
5.5999e-05 TDB
period 1475.621745003709
4.04
8.9912e-06
2.462e-08
d
yr
n .2439649600034155 1.4865e-09 deg/d
Q 3.098927566245915 1.2588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      9256 days (25.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:20:11  

Additional Information
 Earth MOID = .971712 au 
 Jupiter MOID = 2.36015 au 
 T_jup = 3.408 
[ 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 MPO433218  

185661 (1993 TY23)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 1993 TY23 = 2001 PE67 = 2001 QB263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 00:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin