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
JPL Small-Body Database Browser
Search: [ help ]  
312473 (2008 SX245)
Classification: Amor [NEO]          SPK-ID: 2312473
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 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4583107984342076 3.8411e-08  
a 1.992768411866915 2.1108e-08 au
q 1.079461129929721 7.3783e-08 au
i 11.82439980156655 7.3192e-06 deg
node 209.0202662451917 1.6032e-05 deg
peri 292.8868679644602 1.94e-05 deg
M 344.847708933183 2.0749e-05 deg
tp 2459043.747347508299
(2020-Jul-13.24734751)
5.9883e-05 TDB
period 1027.504357877817
2.81
1.6326e-05
4.47e-08
d
yr
n .3503634775267869 5.5668e-09 deg/d
Q 2.906075693804109 3.0783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-06-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-27 06:23:26  

Additional Information
 Earth MOID = .186553 au 
 Jupiter MOID = 2.25526 au 
 T_jup = 3.688 
[ 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 18.4   n/a MPO345861  

312473 (2008 SX245)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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-Oct-20 23:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin