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 ]  
266896 (2009 WR101)
Classification: Main-belt Asteroid          SPK-ID: 2266896
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113819717870389 6.5391e-08  
a 2.9820501947868 2.653e-08 au
q 2.649903564123523 1.94e-07 au
i 2.137224072913611 4.5637e-06 deg
node 144.07864107016 0.00015449 deg
peri 229.0432594835594 0.00015604 deg
M 89.92747245590107 1.9689e-05 deg
tp 2458730.648370652476
(2019-Sep-04.14837065)
0.00010322 TDB
period 1880.922280430547
5.15
2.5101e-05
6.872e-08
d
yr
n .1913954679284225 2.5541e-09 deg/d
Q 3.314196825450077 2.9485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7272 days (19.91 yr)  
   first obs. used      2001-02-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:15:20  

Additional Information
 Earth MOID = 1.64935 au 
 Jupiter MOID = 2.15008 au 
 T_jup = 3.248 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457499.5 (2016-Apr-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107562383179568 6.6048e-08  
q 2.652587386223187 1.9545e-07 au
tp 2456836.496377050560
(2014-Jun-27.99637705)
0.00010853 TDB
node 144.1665629419659 0.00015416 deg
peri 226.8053489260789 0.00015572 deg
i 2.137552434416196 4.5728e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7272 days (19.91 yr)  
   first obs. used      2001-02-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:15:20  

Additional Information
 Jupiter MOID = 2.15008 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.362370866740606E-15 -1.281729861585328E-14 -1.928643013056083E-13 2.320974058185163E-14 -2.299015370369191E-13 -2.579187678448676E-15
q -1.281729861585328E-14 3.819928127872101E-14 -9.691316298365233E-14 -6.89557695989487E-14 5.85104435942454E-13 7.845722220537686E-15
tp -1.928643013056083E-13 -9.691316298365233E-14 1.177869758970584E-8 -1.21588812856548E-11 2.410386480651383E-9 -1.609843453189355E-12
node 2.320974058185163E-14 -6.89557695989487E-14 -1.21588812856548E-11 2.376421293557798E-8 -2.375100005461347E-8 2.070790303208746E-10
peri -2.299015370369191E-13 5.85104435942454E-13 2.410386480651383E-9 -2.375100005461347E-8 2.424806185388709E-8 -2.071548221497986E-10
i -2.579187678448676E-15 7.845722220537686E-15 -1.609843453189355E-12 2.070790303208746E-10 -2.071548221497986E-10 2.091005134122747E-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 16.2   n/a MPO503217  

266896 (2009 WR101)          Discovered 2001-Mar-20 by Sapcewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WR101 = 2006 BF59 = 2006 HZ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 11:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin