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JPL Small-Body Database Browser
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266691 (2009 PB)
Classification: Mars-crossing Asteroid          SPK-ID: 2266691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .367468834557805 9.6179e-08  
a 2.396195431159155 2.5321e-08 au
q 1.515668288698363 2.3097e-07 au
i 6.747324107848121 6.1792e-06 deg
node 246.895574410646 7.5409e-05 deg
peri 107.1893645979027 7.5732e-05 deg
M 214.8941033491546 1.9771e-05 deg
tp 2459146.590147247058
(2020-Oct-24.09014725)
8.2473e-05 TDB
period 1354.820565851866
3.71
2.1475e-05
5.88e-08
d
yr
n .2657178441734415 4.2119e-09 deg/d
Q 3.276722573619946 3.4626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      9933 days (27.20 yr)  
   first obs. used      1992-01-27  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:22:54  

Additional Information
 Earth MOID = .528755 au 
 Jupiter MOID = 2.2391 au 
 T_jup = 3.425 
[ 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 16.1   n/a MPO268292  

266691 (2009 PB)          Discovered 2009-Aug-01 by Tozzi, F. at Skylive
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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