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C/2011 K1 (Schwartz-Holvorcem)
Classification: Hyperbolic Comet          SPK-ID: 1003129
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455715.5 (2011-Jun-03.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.007027970829694 0.0064227  
a -480.455780404236 438.81 au
q 3.376629209638878 0.0018748 au
i 122.62486475 0.0478 deg
node 70.73739296643215 0.0037308 deg
peri 167.09708095 0.019311 deg
M .003937503339913649 0.0053839 deg
tp 2455673.427628228061
(2011-Apr-21.92762823)
0.12339 TDB
period n/a
n/a
n/a
n/a
d
yr
n 9.358881313508085E-5 0.00012822 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      32 days  
   first obs. used      2011-05-26  
   last obs. used      2011-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .53468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:50  

Additional Information
 Earth MOID = 2.37805 au 
 Jupiter MOID = 1.91901 au 
 T_jup = -1.178 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.7   0.6 9 from 92 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 9 autocmod 2.9c
comet nuclear magnitude M2 14.2   0.4 9 from 4 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 9 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 9 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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