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 ]  
172868 (2005 ET124)
Classification: Main-belt Asteroid          SPK-ID: 2172868
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042271687770222 4.0189e-08  
a 2.347679811226017 1.1758e-08 au
q 2.102987791306956 9.5509e-08 au
i 1.523992103325933 4.3165e-06 deg
node 196.0115920561928 0.00015811 deg
peri 346.264192555314 0.00015936 deg
M 77.19917761089781 2.0498e-05 deg
tp 2458718.748071122073
(2019-Aug-23.24807112)
7.4259e-05 TDB
period 1313.883094808191
3.60
9.8705e-06
2.702e-08
d
yr
n .2739969799615658 2.0584e-09 deg/d
Q 2.592371831145079 1.2983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:48:29  

Additional Information
 Earth MOID = 1.10538 au 
 Jupiter MOID = 2.36646 au 
 T_jup = 3.552 
[ 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 17.0   n/a MPO422659  

172868 (2005 ET124)          Discovered 2005-Mar-08 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2005 ET124 = 2003 UP285 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-22 08:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin