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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218134227088096 4.0749e-08  
a 3.18446241574418 2.0322e-08 au
q 2.796552149394817 1.2901e-07 au
i 18.39774182069993 4.5438e-06 deg
node 252.4494312889036 1.5628e-05 deg
peri 290.7295899715419 2.5097e-05 deg
M 173.6818912815661 2.0516e-05 deg
tp 2457999.106755987307
(2017-Sep-02.60675599)
0.00011606 TDB
period 2075.642804120199
5.68
1.9869e-05
5.44e-08
d
yr
n .1734402466962965 1.6602e-09 deg/d
Q 3.572372682093544 2.2797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2379  
   data-arc span      23631 days (64.70 yr)  
   first obs. used      1955-04-26  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:12:35  

Additional Information
 Earth MOID = 1.85601 au 
 Jupiter MOID = 1.68141 au 
 T_jup = 3.108 
[ 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-August); 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 1.78738717763616 1.78738612502514 1.78738823026811 5.72401739417727 5.64062033888043 2430195.454597857 2.30006949912447 356.009552201711 25.1426357497959 82.8735715811122 4029513.58194417 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12
1952-Sep-03 22:48 00:02 Jupiter 1.7619686618543 1.76196796355696 1.76196936016026 5.01121493577245 4.91434888708505 2434259.450022005 1.9872972027199 307.93129849769 25.6779282820233 -85.1841168707198 3017757.65746582 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12
1963-Aug-28 00:05 00:02 Jupiter 1.94694410428355 1.94694300980171 1.9469451987666 3.29469044159031 3.15988615309063 2438269.503224008 2.32970942503164 120.4635419294 63.304257412321 -58.3161873225838 812101.341633967 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12
2084-Jun-02 21:15 00:02 Jupiter 1.94070834668286 1.94070700495432 1.94070968841625 5.95768084022197 5.88396640244607 2482379.385095600 1.71080600174562 194.085438511496 35.5707031393119 72.9274899313627 4186476.20255607 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12
2095-Jul-18 03:46 00:02 Jupiter 1.72537594081946 1.72537539066471 1.72537649098049 5.54153008593171 5.45222106867575 2486441.656684771 1.94654455810152 323.583742282397 22.7398572731019 87.7406953832126 3743694.6755003 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12
2106-Sep-02 10:39 00:03 Jupiter 1.77145282676714 1.77145150004321 1.77145415351252 4.79912745246779 4.69843821451098 2490504.943900137 2.55926931152915 347.402773891218 26.293307898234 -79.1318058239747 2787019.14750267 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 16:12:50 2020-Feb-22 16:12

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