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 ]  
266903 (2009 WO156)
Classification: Main-belt Asteroid          SPK-ID: 2266903
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07634255146523557 5.4453e-08  
a 3.171590263538966 2.9756e-08 au
q 2.929462970618102 1.8041e-07 au
i 2.150958135589682 4.9372e-06 deg
node 148.0809422252352 0.00015273 deg
peri 253.3344902670666 0.00015657 deg
M 10.31635487623257 3.2181e-05 deg
tp 2459141.379538819256
(2020-Oct-18.87953882)
0.00018461 TDB
period 2063.070365493313
5.65
2.9034e-05
7.949e-08
d
yr
n .1744971989425665 2.4557e-09 deg/d
Q 3.413717556459829 3.2028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      2003-10-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:42  

Additional Information
 Earth MOID = 1.93752 au 
 Jupiter MOID = 1.92036 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457730.5 (2016-Dec-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .075245025168536 5.3866e-08  
q 2.935991444223652 1.7657e-07 au
tp 2457051.202233110025
(2015-Jan-28.70223311)
0.00019829 TDB
node 148.2778573551031 0.00015244 deg
peri 249.206952777864 0.00015649 deg
i 2.151337812803363 4.948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      2003-10-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:42  

Additional Information
 Jupiter MOID = 1.92036 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.901532173327766E-15 -9.401350480735118E-15 5.116268662650885E-13 1.076236584969824E-14 1.125414442265689E-13 -1.21916299751071E-15
q -9.401350480735118E-15 3.117815095714006E-14 -3.365858272515673E-12 -3.296538937065549E-14 -6.2671697229894E-13 4.382040277848675E-15
tp 5.116268662650885E-13 -3.365858272515673E-12 3.931905907177052E-8 -6.555727856908271E-12 7.060889527680711E-9 -8.546250771763925E-13
node 1.076236584969824E-14 -3.296538937065549E-14 -6.555727856908271E-12 2.32378733912461E-8 -2.322220255424338E-8 1.560435407293184E-10
peri 1.125414442265689E-13 -6.2671697229894E-13 7.060889527680711E-9 -2.322220255424338E-8 2.448923131769491E-8 -1.560873513118924E-10
i -1.21916299751071E-15 4.382040277848675E-15 -8.546250771763925E-13 1.560435407293184E-10 -1.560873513118924E-10 2.448297806302445E-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 15.9   n/a MPO450147  

266903 (2009 WO156)          Discovered 2009-Nov-20 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WO156 = 2008 SJ87 
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-17 09:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin