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447218 (2005 TP171)
Classification: Main-belt Asteroid          SPK-ID: 2447218
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856520192101344 1.3158e-07  
a 2.917739489412364 1.7288e-08 au
q 2.376055261673812 3.8092e-07 au
i 18.55007836301855 1.1629e-05 deg
node 228.9684561346833 1.4424e-05 deg
peri 173.8494911268433 3.282e-05 deg
M 325.0439944765994 2.1853e-05 deg
tp 2459177.261425508153
(2020-Nov-23.76142551)		 0.00011024 TDB
period 1820.405742307611
4.98		 1.6179e-05
4.43e-08		 d
yr
n .1977581105318044 1.7576e-09 deg/d
Q 3.459423717150915 2.0498e-08 au
   Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7355 days (20.14 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:29:10  

Additional Information
 Earth MOID = 1.38613 au 
 Jupiter MOID = 1.94971 au 
 T_jup = 3.179 
[ 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 16.0   n/a MPO456118  
diameter diameter 3.035 km 0.576 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

447218 (2005 TP171)          Discovered 2005-Oct-10 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2005 TP171 = 2000 SM158 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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