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60P/Tsuchinshan 2
Classification: Jupiter-family Comet          SPK-ID: 1000098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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:
Orbital Elements at Epoch 2457220.5 (2015-Jul-17.0) TDB
Reference: JPL K183/6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .538536691475378 1.0279e-07  
a 3.509632807161156 5.2788e-08 au
q 1.619566766899144 3.5388e-07 au
i 3.608949186300423 5.6426e-06 deg
node 267.6612927793719 0.00015328 deg
peri 216.4936690753554 0.00017128 deg
M 173.7546691984688 1.0415e-05 deg
tp 2456061.389255260299
(2012-May-13.88925526)
8.5819e-05 TDB
period 2401.546214736022
6.58
5.4182e-05
1.483e-07
d
yr
n .1499034237988092 3.382e-09 deg/d
Q 5.399698847423169 8.1216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      5009 days (13.71 yr)  
   first obs. used      2005-10-05  
   last obs. used      2019-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67976  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Mar-19 11:14:14  

Additional Information
 Earth MOID = .635242 au 
 Jupiter MOID = .129612 au 
 T_jup = 2.864 
[ 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
comet total magnitude M1 9.3   01. K183/6 2 parameter fit from 718 observations, autocmod 2.9b
comet total magnitude slope K1 25.   n/a K183/6 autocmod 2.9b
comet nuclear magnitude M2 15.2   0.9 K183/6 from 590 observations, autocmod 2.9b
comet nuclear magnitude slope K2 5.   n/a K183/6 autocmod 2.9b
comet nuclear phase coefficient PC 0.03   n/a K183/6 autocmod 2.9b

60P/Tsuchinshan 2          Discovered 1965-Jan-11 at Purple Mountain Observatory, Nanking
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1992.6       1992 XII   1991e1 
 1986.1       1985 X   1985d 
 1979.5       1978 XVI   1978p 
 1972.9   60P/1971 S1   1971 X   1971d 
 1966.3   60P/1965 A2   1965 II   1965c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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