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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112375728664891 7.0848e-08  
a 2.981516873908095 2.9444e-08 au
q 2.649860173394077 2.1499e-07 au
i 2.137103174099041 4.8354e-06 deg
node 144.0829972518925 0.00017882 deg
peri 228.9736880134861 0.00018037 deg
M 51.72165254786693 2.0901e-05 deg
tp 2458730.338022860968
(2019-Sep-03.83802286)
0.00010999 TDB
period 1880.417716352773
5.15
2.7855e-05
7.626e-08
d
yr
n .1914468242185306 2.8359e-09 deg/d
Q 3.313173574422114 3.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:22:50  

Additional Information
 Earth MOID = 1.65076 au 
 Jupiter MOID = 2.14999 au 
 T_jup = 3.249 
[ 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 16.2   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 ]
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