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JPL Small-Body Database Browser
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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216619631899741 4.0866e-08  
a 3.185942862374324 2.0626e-08 au
q 2.798334799126779 1.2976e-07 au
i 18.39802178575727 4.5818e-06 deg
node 252.4539692984118 1.565e-05 deg
peri 290.9903849646525 2.5184e-05 deg
M 104.0210647970149 2.0406e-05 deg
tp 2458000.330121254750
(2017-Sep-03.83012126)
0.00011656 TDB
period 2077.090412119011
5.69
2.0171e-05
5.523e-08
d
yr
n .1733193692000794 1.6831e-09 deg/d
Q 3.57355092562187 2.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2288  
   data-arc span      23591 days (64.59 yr)  
   first obs. used      1955-04-26  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:30:50  

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

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