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227143 (2005 PT1)
Classification: Main-belt Asteroid          SPK-ID: 2227143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171847242603878 5.5086e-08  
a 2.358265015276285 1.1513e-08 au
q 1.846085878200586 1.2793e-07 au
i 7.04776798686306 5.8676e-06 deg
node 343.4835742323955 4.6277e-05 deg
peri 15.37939289216179 4.8008e-05 deg
M 64.62040402124609 1.4328e-05 deg
tp 2458963.059658861954
(2020-Apr-23.55965886)
5.1616e-05 TDB
period 1322.77914544751
3.62
9.6866e-06
2.652e-08
d
yr
n .2721542755183129 1.993e-09 deg/d
Q 2.870444152351984 1.4013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      2000-02-27  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:36  

Additional Information
 Earth MOID = .84149 au 
 Jupiter MOID = 2.58344 au 
 T_jup = 3.511 
[ 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 16.8   n/a MPO437076  

227143 (2005 PT1)          Discovered 2005-Aug-01 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 PT1 = 2000 DZ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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