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 ]  
74989 (1999 TO262)
Classification: Main-belt Asteroid          SPK-ID: 2074989
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049818352658284 4.9655e-08  
a 2.276885805434304 1.135e-08 au
q 2.037854154889097 1.1522e-07 au
i 5.760544423868902 5.8641e-06 deg
node 314.619360074556 4.7767e-05 deg
peri 69.85420801401024 5.4373e-05 deg
M 234.1614707257942 2.7071e-05 deg
tp 2459039.153333831293
(2020-Jul-08.65333383)		 9.5622e-05 TDB
period 1254.903415432992
3.44		 9.3832e-06
2.569e-08		 d
yr
n .2868746674625836 2.145e-09 deg/d
Q 2.515917455979511 1.2541e-08 au
   Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8880 days (24.31 yr)  
   first obs. used      1994-01-16  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:33:24  

Additional Information
 Earth MOID = 1.04845 au 
 Jupiter MOID = 2.88764 au 
 T_jup = 3.594 
[ 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 15.8   n/a MPO233864  

74989 (1999 TO262)          Discovered 1999-Oct-15 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TO262 = 2001 DW13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 18:10 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin