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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05039097673471504 4.563e-08  
a 2.732456363410788 1.6945e-08 au
q 2.594765218373531 1.2134e-07 au
i 2.972736748653454 5.3683e-06 deg
node 50.88189151142287 9.0596e-05 deg
peri 29.68996260837939 0.00010862 deg
M 64.23316929894011 5.783e-05 deg
tp 2458906.135705917462
(2020-Feb-26.63570592)
0.00026505 TDB
period 1649.788528673178
4.52
1.5346e-05
4.202e-08
d
yr
n .2182097849168132 2.0298e-09 deg/d
Q 2.870147508448045 1.7798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      2001-11-12  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:55  

Additional Information
 Earth MOID = 1.61041 au 
 Jupiter MOID = 2.2411 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04807216666212945 4.5305e-08  
q 2.600529838692786 1.2001e-07 au
tp 2457256.339110525422
(2015-Aug-21.83911053)
0.00028054 TDB
node 50.91963369093749 9.0654e-05 deg
peri 29.72317830505407 0.00011045 deg
i 2.972821342057256 5.3652e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      2001-11-12  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:55  

Additional Information
 Jupiter MOID = 2.2411 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052528555687721E-15 -5.391469708300533E-15 -4.205036778864582E-12 8.216586100815016E-15 -9.924016419139182E-13 -5.902075236636972E-17
q -5.391469708300533E-15 1.440160129676785E-14 1.1083572512743E-11 -2.190476859774426E-14 2.61614970149423E-12 3.042927597494947E-16
tp -4.205036778864582E-12 1.1083572512743E-11 7.870324772046614E-8 -2.565746579837143E-11 1.772408534861152E-8 -7.070685700107334E-12
node 8.216586100815016E-15 -2.190476859774426E-14 -2.565746579837143E-11 8.218148159302651E-9 -8.212590664540434E-9 -1.211824096205601E-10
peri -9.924016419139182E-13 2.61614970149423E-12 1.772408534861152E-8 -8.212590664540434E-9 1.219987834821275E-8 1.194212837563111E-10
i -5.902075236636972E-17 3.042927597494947E-16 -7.070685700107334E-12 -1.211824096205601E-10 1.194212837563111E-10 2.878500003210167E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.57   n/a MPCxxxxx  

187289 (2005 TO91)          Discovered 2005-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-16 13:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin