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 ]  
487896 (2015 TT161)
Classification: Main-belt Asteroid          SPK-ID: 2487896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600466773057788 3.6027e-07  
a 2.247096767963665 1.3689e-07 au
q 1.887456396666526 7.0564e-07 au
i 1.526333290985206 5.6918e-06 deg
node 119.9413963659261 0.00041563 deg
peri 181.6146984447178 0.00044539 deg
M 76.18149098036541 0.00020119 deg
tp 2458340.137725465818
(2018-Aug-09.63772547)
0.00066493 TDB
period 1230.356844242694
3.37
0.00011243
3.078e-07
d
yr
n .2925980390848204 2.6737e-08 deg/d
Q 2.606737139260804 1.588e-07 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      3186 days (8.72 yr)  
   first obs. used      2008-05-30  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .58318  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:12:17  

Additional Information
 Earth MOID = .871208 au 
 Jupiter MOID = 2.59851 au 
 T_jup = 3.613 
[ 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 18.2   n/a MPO399168  

487896 (2015 TT161)          Discovered 2008-May-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TT161 = 2008 PY12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin