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153P/Ikeya-Zhang
Classification: Comet          SPK-ID: 1000374
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2452402.5 (2002-May-08.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9900806570176691 9.632e-07  
a 51.1193221677278 0.0049627 au
q .5070700896059622 3.007e-07 au
i 28.1209574068563 2.9324e-05 deg
node 93.36945661875394 3.4808e-05 deg
peri 34.66817865742473 5.1723e-05 deg
M .134886581151805 1.9699e-05 deg
tp 2452352.480159443828
(2002-Mar-18.98015944)		 2.2685e-05 TDB
period 133498.3987766448
365.50		 19.44
0.05322		 d
yr
n .002696661557733837 3.9269e-07 deg/d
Q 101.7315742458496 0.0098762 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.054283011393982E-9 3.525E-10
A2 [EST] 1.667417038203938E-9 1.685E-10
   Orbit Determination Parameters
   # obs. used (total)      1893  
   data-arc span      403 days (1.10 yr)  
   first obs. used      2001-08-25  
   last obs. used      2002-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .74612  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Jun-17 10:40:41  

Additional Information
 Earth MOID = .331905 au 
 Jupiter MOID = .0114955 au 
 T_jup = 0.879 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 4.0   n/a ICQ 2004 Handbook  
comet total magnitude slope K1 15.0   n/a ICQ 2004 Handbook  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2002.2   153P/2002 C1       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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