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 ]  
266762 (2009 SF122)
Classification: Main-belt Asteroid          SPK-ID: 2266762
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317735457880684 6.7283e-08  
a 2.333847695255354 2.5083e-08 au
q 2.026308309122245 1.6433e-07 au
i 2.76747882994272 8.1937e-06 deg
node 229.304336228948 0.00019624 deg
peri 12.21854730753927 0.00019998 deg
M 116.5244563752439 4.258e-05 deg
tp 2458578.976513168889
(2019-Apr-05.47651317)
0.0001513 TDB
period 1302.288463552444
3.57
2.0994e-05
5.748e-08
d
yr
n .2764364501993476 4.4565e-09 deg/d
Q 2.641387081388463 2.8388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      1998-08-28  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:29:08  

Additional Information
 Earth MOID = 1.01372 au 
 Jupiter MOID = 2.36556 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456522.5 (2013-Aug-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324245265283669 6.7489e-08  
q 2.024696600042329 1.6494e-07 au
tp 2455972.994716929472
(2012-Feb-15.49471693)
0.00013937 TDB
node 229.4211654848545 0.00019602 deg
peri 12.05935272936882 0.00019969 deg
i 2.769071348133831 8.1971e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      1998-08-28  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:29:08  

Additional Information
 Jupiter MOID = 2.36556 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.554787450137913E-15 -1.104130105273562E-14 -2.999499617792085E-12 -5.452076762365254E-14 -7.94041521116015E-13 -1.867197165682146E-15
q -1.104130105273562E-14 2.720390101369915E-14 7.351324418968392E-12 1.358755971884846E-13 1.995634256845696E-12 5.248162114582313E-15
tp -2.999499617792085E-12 7.351324418968392E-12 1.942366181995022E-8 1.675736610399703E-10 5.410219180576627E-9 1.1677064745589E-12
node -5.452076762365254E-14 1.358755971884846E-13 1.675736610399703E-10 3.842226410790797E-8 -3.832783927366192E-8 -6.014152494159809E-10
peri -7.94041521116015E-13 1.995634256845696E-12 5.410219180576627E-9 -3.832783927366192E-8 3.987532971969335E-8 6.011001262454677E-10
i -1.867197165682146E-15 5.248162114582313E-15 1.1677064745589E-12 -6.014152494159809E-10 6.011001262454677E-10 6.719192543275865E-11

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 17.4   n/a MPO338792  

266762 (2009 SF122)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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-Apr-09 20:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin