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2104 Toronto (1963 PD)
Classification: Main-belt Asteroid          SPK-ID: 2002104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216619639175381 4.0906e-08  
a 3.185942861954693 2.0649e-08 au
q 2.798334796440224 1.2993e-07 au
i 18.39802177349673 4.6058e-06 deg
node 252.4539693044903 1.565e-05 deg
peri 290.99038559 2.5227e-05 deg
M 104.0210643291872 2.0434e-05 deg
tp 2458000.330124072549
(2017-Sep-03.83012407)
0.00011674 TDB
period 2077.090411708641
5.69
2.0193e-05
5.529e-08
d
yr
n .1733193692343221 1.685e-09 deg/d
Q 3.573550927469163 2.3161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      23561 days (64.51 yr)  
   first obs. used      1955-04-26  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:12:15  

Additional Information
 Earth MOID = 1.85764 au 
 Jupiter MOID = 1.67894 au 
 T_jup = 3.107 
[ 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 9.8   n/a MPO350816  
diameter diameter 35.874 km 0.503 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.97 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Oey, J. (2006) Minor Planet Bull. 33, 96-99.]
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.104   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2104 Toronto (1963 PD)          Discovered 1963-Aug-15 by Kamper, K. W. at Tautenburg
on plates taken by S. van den Bergh.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1941-Jul-19 22:55 00:02 Jupiter 1.7873871471243 1.7873860944244 1.78738819984503 5.724017012304 5.64061994992697 2430195.454655211 2.30288381461063 356.550258297316 25.3449270330995 82.9022018134776 3994983.00005002 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12
1952-Sep-03 22:48 00:02 Jupiter 1.76196846304264 1.76196776015031 1.76196916594359 5.01121489390117 4.91434883335085 2434259.450075124 1.99053085932553 308.115107715684 25.8687011184711 -85.1636192089912 2981391.1787376 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12
1963-Aug-28 00:05 00:02 Jupiter 1.94694385658627 1.94694275765594 1.94694495551782 3.29469195685198 3.15988771547892 2438269.503349610 2.33433734917626 120.817006518201 63.8633896206806 -58.6023402124918 805244.218692905 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12
2084-Jun-02 21:14 00:02 Jupiter 1.9407082662393 1.94070691742706 1.94070961505639 5.95768014082753 5.88396569121496 2482379.385022637 1.71452086433929 194.529176565861 36.008101878417 72.9211012950192 4147933.97575301 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12
2095-Jul-18 03:45 00:02 Jupiter 1.72537581141842 1.72537525468113 1.72537636816199 5.54152943710487 5.452220402468 2486441.656589272 1.95001627361358 324.187562800716 22.9862006377387 87.707333985573 3702789.00243908 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12
2106-Sep-02 10:39 00:03 Jupiter 1.77145269306609 1.77145136555996 1.77145402059377 4.79912702444174 4.69843776963118 2490504.943802134 2.56302782277142 348.330311380788 26.5305694559039 -79.1712100968165 2750071.70813831 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 02:12:30 2019-Nov-07 02:12

Alternate Designations
 1963 PD = 1955 HW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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