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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113819754446506 6.3812e-08  
a 2.98205019190149 2.5632e-08 au
q 2.649903550652403 1.8779e-07 au
i 2.137223265276645 4.4836e-06 deg
node 144.0785904816142 0.00014395 deg
peri 229.0433111127478 0.00014554 deg
M 89.92747185454996 1.9379e-05 deg
tp 2458730.648374476320
(2019-Sep-04.14837448)
0.0001013 TDB
period 1880.922277700692
5.15
2.4251e-05
6.64e-08
d
yr
n .1913954682062021 2.4677e-09 deg/d
Q 3.314196833150578 2.8487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7298 days (19.98 yr)  
   first obs. used      2001-02-20  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:40  

Additional Information
 Earth MOID = 1.64935 au 
 Jupiter MOID = 2.15008 au 
 T_jup = 3.248 
[ 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 16.34   n/a MPCxxxxx  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2037-Jul-03 13:48 00:07 Psych 0.0398284659930965 0.0398176447571341 0.0398392889145321 0.58480551300795 0.584804993552487 2465243.074903071 7.40201979242392 669.686094732056 91.2968277931535 37.5378898187321 38793.8989842234 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:40 2021-Apr-14 03:17
2067-Feb-03 12:44 00:03 Inter 0.0358037091244013 0.0357955890921427 0.0358118556179907 5.74141264403538 5.74141257282031 2476050.030298983 2.88309582723537 1601.10051880388 55.697274526245 75.4658308893206 93049.9676420532 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:40 2021-Apr-14 03:17

Alternate Designations
 2009 WR101 = 2006 BF59 = 2006 HZ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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