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181046 (2005 PU2)
Classification: Main-belt Asteroid          SPK-ID: 2181046
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679162219372832 4.0646e-08  
a 2.402070021469 1.1533e-08 au
q 1.998723498635117 9.2961e-08 au
i 1.812274255664483 3.5959e-06 deg
node 52.77850604273636 0.00016074 deg
peri 208.7737806191001 0.00016154 deg
M 84.92424393871039 1.6542e-05 deg
tp 2458879.720866482528
(2020-Jan-31.22086648)
6.2157e-05 TDB
period 1359.805901241017
3.72
9.7932e-06
2.681e-08
d
yr
n .2647436664831712 1.9067e-09 deg/d
Q 2.805416544302883 1.347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:00  

Additional Information
 Earth MOID = .981765 au 
 Jupiter MOID = 2.26031 au 
 T_jup = 3.505 
[ 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 16.63   n/a E2021B55  

181046 (2005 PU2)          Discovered 2005-Aug-02 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 PU2 = 1999 XJ228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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