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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856520053340299 1.4802e-07  
a 2.917739483562456 2.8943e-08 au
q 2.376055297396809 4.2216e-07 au
i 18.55008832991048 1.2141e-05 deg
node 228.9684339901302 1.58e-05 deg
peri 173.8494964046595 3.4922e-05 deg
M 325.0440083302624 2.2918e-05 deg
tp 2459177.261354922981
(2020-Nov-23.76135492)
0.00011593 TDB
period 1820.405736832891
4.98
2.7087e-05
7.416e-08
d
yr
n .1977581111265456 2.9425e-09 deg/d
Q 3.459423669728102 3.4316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6461 days (17.69 yr)  
   first obs. used      2000-09-27  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:19:36  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1924-Feb-14 04:48 00:03 Jupiter 1.99117384321613 1.99117219776678 1.99117548868009 4.9096495345329 4.8222278554899 2423829.699943639 3.21760438294908 414.167150897491 60.6043641943338 -82.5151115438922 1718798.81711698 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 12:19:40 2018-Dec-18 03:22
2018-Aug-22 06:07 < 00:01 Jupiter 1.94447571520581 1.94447461950118 1.94447681091507 4.93528949253033 4.84622257297786 2458352.754779198 0.68669475251709 245.256612089701 37.3930249940453 81.4008931428388 1495712.01200229 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 12:19:40 2018-Dec-18 03:22
2113-Mar-01 12:35 00:04 Jupiter 1.95906399058975 1.95906213047833 1.95906585075763 4.9255751357156 4.83699997675462 2492877.024071931 3.73853165764142 650.177789181748 49.482979666821 83.2447855709722 1452038.8670902 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 12:19:40 2018-Dec-18 03:22
2173-Apr-07 18:14 00:06 Jupiter 1.99716184479475 1.99715974456361 1.9971639451167 4.82239105243241 4.73362749357698 2514829.259819254 6.0823085727849 798.2000356695 53.7179872275708 -83.3070836362334 1562792.33545767 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 12:19:40 2018-Dec-18 03:22

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