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 ]  
523811 (2008 TQ2)
Classification: Amor [NEO]          SPK-ID: 2523811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4194680698088678 2.5712e-08  
a 1.843825288340112 3.1815e-09 au
q 1.070399453575306 4.7672e-08 au
i 3.872325648156964 2.3261e-06 deg
node 225.4097101779056 4.3253e-05 deg
peri 235.3510788407035 4.8495e-05 deg
M 204.345282369315 5.6497e-06 deg
tp 2459395.901092272435
(2021-Jun-30.40109227)
1.4242e-05 TDB
period 914.4881400627436
2.50
2.3669e-06
6.48e-09
d
yr
n .393662841789616 1.0189e-09 deg/d
Q 2.617251123104918 4.516e-09 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      3835 days (10.50 yr)  
   first obs. used      2008-10-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:33  

Additional Information
 Earth MOID = .103259 au 
 Jupiter MOID = 2.57631 au 
 T_jup = 3.900 
[ 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 20.9   n/a MPO473044  
rotation period rot_per 1.238 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Statler, T.S.; Cotto-Figueroa, D.; Riethmiller, D.A.; Sweeney, K.M. (2013) Icarus 225, 141-155.]

523811 (2008 TQ2)          Discovered 2008-Oct-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-10-30

[ show close-approach data ]
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-26 01:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin