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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
192745 (1999 TO226)
Classification: Main-belt Asteroid          SPK-ID: 2192745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03255755476151615 5.0395e-08  
a 2.780704395437185 1.9593e-08 au
q 2.69017145980715 1.4407e-07 au
i 5.77408528978455 6.8346e-06 deg
node 8.383140755296688 4.6168e-05 deg
peri 32.51361660440345 0.00011272 deg
M 231.1140726676239 0.0001047 deg
tp 2460002.864352647628
(2023-Feb-27.36435265)
0.00049513 TDB
period 1693.677280919959
4.64
1.7901e-05
4.901e-08
d
yr
n .212555251260416 2.2465e-09 deg/d
Q 2.87123733106722 2.0231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:55:24  

Additional Information
 Earth MOID = 1.6976 au 
 Jupiter MOID = 2.24727 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03117466204460021 4.8629e-08  
q 2.696694320539228 1.3832e-07 au
tp 2456629.359209602240
(2013-Dec-02.85920960)
0.00051542 TDB
node 8.413390682168973 4.6192e-05 deg
peri 35.73283445281199 0.00011905 deg
i 5.771731192251345 6.8311e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:55:24  

Additional Information
 Jupiter MOID = 2.24727 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.364827485486852E-15 -6.663189448971582E-15 -1.089885342474274E-11 3.929859997682097E-15 -2.381881674746282E-12 1.81487538659375E-15
q -6.663189448971582E-15 1.913216350974092E-14 3.319602240718286E-11 -1.31982947940872E-14 7.255139969860011E-12 -5.180314121608381E-15
tp -1.089885342474274E-11 3.319602240718286E-11 2.656558061903937E-7 -5.73473551510544E-11 5.656854235811792E-8 -2.839529712649287E-11
node 3.929859997682097E-15 -1.31982947940872E-14 -5.73473551510544E-11 2.133721957196824E-9 -2.134786190124232E-9 -1.131983983617287E-10
peri -2.381881674746282E-12 7.255139969860011E-12 5.656854235811792E-8 -2.134786190124232E-9 1.417295606939554E-8 1.065927998818358E-10
i 1.81487538659375E-15 -5.180314121608381E-15 -2.839529712649287E-11 -1.131983983617287E-10 1.065927998818358E-10 4.666383516940983E-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 16.09   n/a MPO637971  

192745 (1999 TO226)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1999 TO226 = 2006 DU22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 23:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin