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226117 (2002 PA181)
Classification: Main-belt Asteroid          SPK-ID: 2226117
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913374466502178 5.76e-08  
a 3.133209340946171 3.8314e-08 au
q 2.533709065828919 1.9152e-07 au
i 5.013744353286198 6.7593e-06 deg
node 17.86806103696411 7.0179e-05 deg
peri 188.2679506532583 7.2755e-05 deg
M 164.0696377067291 2.2718e-05 deg
tp 2458077.273495121961
(2017-Nov-19.77349512)
0.00011645 TDB
period 2025.734599049843
5.55
3.7157e-05
1.017e-07
d
yr
n .1777133096156108 3.2597e-09 deg/d
Q 3.732709616063423 4.5645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-04-27  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:49:43  

Additional Information
 Earth MOID = 1.52977 au 
 Jupiter MOID = 1.23334 au 
 T_jup = 3.178 
[ 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 15.5   n/a MPO494238  

226117 (2002 PA181)          Discovered 2002-Aug-15 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 PA181 = 2006 CP15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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