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170P/Christensen
Classification: Jupiter-family Comet          SPK-ID: 1001649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454502.5 (2008-Feb-06.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3041235677647135 2.6864e-07  
a 4.208439484049734 1.4386e-07 au
q 2.928553853438639 1.0541e-06 au
i 10.1274011667435 1.8153e-05 deg
node 143.012629139036 6.4969e-05 deg
peri 225.3827119068702 0.00017568 deg
M 84.53110762424572 9.4756e-05 deg
tp 2453762.052765241772
(2006-Jan-26.55276524)
0.00085925 TDB
period 3153.407213092112
8.63
0.0001617
4.427e-07
d
yr
n .1141622301443896 5.8538e-09 deg/d
Q 5.48832511466083 1.8761e-07 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      3535 days (9.68 yr)  
   first obs. used      2005-06-17  
   last obs. used      2015-02-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .79936  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:45  

Additional Information
 Earth MOID = 1.93669 au 
 Jupiter MOID = .26111 au 
 T_jup = 2.923 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.6   0.8 21 2 parameter fit from 133 observations, autocmod 2.9c
comet total magnitude slope K1 8.75   n/a 21 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2006.1   170P/2005 M1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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