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 ]  
187289 (2005 TO91)
Classification: Main-belt Asteroid          SPK-ID: 2187289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0503909950327755 4.8933e-08  
a 2.732456355417485 1.8452e-08 au
q 2.594765160784367 1.3331e-07 au
i 2.972736709252608 6.0452e-06 deg
node 50.88189014478419 9.1641e-05 deg
peri 29.68996500542204 0.00010947 deg
M 64.23317144480642 5.7851e-05 deg
tp 2458906.135697375166
(2020-Feb-26.63569738)
0.00026512 TDB
period 1649.788521433944
4.52
1.6711e-05
4.575e-08
d
yr
n .2182097858743127 2.2103e-09 deg/d
Q 2.870147550050604 1.9382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6981 days (19.11 yr)  
   first obs. used      2001-11-12  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:32  

Additional Information
 Earth MOID = 1.61041 au 
 Jupiter MOID = 2.2411 au 
 T_jup = 3.350 
[ 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 16.5   n/a MPO454290  

187289 (2005 TO91)          Discovered 2005-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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 2021-Apr-13 23:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin