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181050 (2005 PB5)
Classification: Main-belt Asteroid          SPK-ID: 2181050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789810034476069 3.5739e-08  
a 2.45532490487593 1.1085e-08 au
q 2.015868389611336 9.1313e-08 au
i 5.993119276974298 5.0396e-06 deg
node 54.34885038256833 3.3603e-05 deg
peri 240.2153724918848 3.6714e-05 deg
M 13.04844843891865 1.4146e-05 deg
tp 2459149.564772135074
(2020-Oct-27.06477214)
5.5182e-05 TDB
period 1405.276812581171
3.85
9.5166e-06
2.606e-08
d
yr
n .2561772860528187 1.7348e-09 deg/d
Q 2.894781420140524 1.3069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      9942 days (27.22 yr)  
   first obs. used      1993-04-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:01  

Additional Information
 Earth MOID = 1.00601 au 
 Jupiter MOID = 2.30976 au 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.45   n/a E2021B55  
rotation period rot_per 12.827 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

181050 (2005 PB5)          Discovered 2005-Aug-02 by Broughton, J. at Reedy Creek
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 PB5 = 1994 WS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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