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181056 (2005 PX17)
Classification: Main-belt Asteroid          SPK-ID: 2181056
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0297919258396797 4.3254e-08  
a 2.626799948984658 2.0596e-08 au
q 2.548542519708832 1.1094e-07 au
i 22.03395048707837 6.0181e-06 deg
node 154.2094391357663 1.0805e-05 deg
peri 296.9669808790071 0.00010261 deg
M 91.59574892826333 0.00010262 deg
tp 2458804.849478165517
(2019-Nov-17.34947817)
0.00044164 TDB
period 1555.030550292968
4.26
1.8289e-05
5.007e-08
d
yr
n .2315067057249622 2.7228e-09 deg/d
Q 2.705057378260483 2.121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      9573 days (26.21 yr)  
   first obs. used      1995-02-04  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:16  

Additional Information
 Earth MOID = 1.59371 au 
 Jupiter MOID = 2.33839 au 
 T_jup = 3.298 
[ 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 15.94   n/a MPCxxxxx  

181056 (2005 PX17)          Discovered 2005-Aug-11 by Ferrando, R., Ferrando, M. at Pla D'Arguines
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 PX17 = 2004 HB57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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