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JPL Small-Body Database Browser
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C/2011 M1 (LINEAR)
Classification: Hyperbolic Comet          SPK-ID: 1003135
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455743.5 (2011-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.002803138408785 0.00059952  
a -319.5627352633488 68.259 au
q .8957785772330822 0.00024459 au
i 70.18365475696844 0.00034645 deg
node 324.7971590245573 0.0049503 deg
peri 119.5654759310974 0.02492 deg
M -.01183042368901559 0.0037878 deg
tp 2455812.069411056301
(2011-Sep-07.56941106)
0.015899 TDB
period n/a
n/a
n/a
n/a
d
yr
n .0001725320883870777 5.528e-05 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      41 days  
   first obs. used      2011-06-22  
   last obs. used      2011-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   norm. resid. RMS      .98669  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:44  

Additional Information
 Earth MOID = .177722 au 
 T_jup = 0.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.4   2. 7 2 parameter fit from 18 observations, autocmod 2.5c
comet total magnitude slope K1 18.   n/a 7 autocmod 2.5c
comet nuclear magnitude M2 17.8   0.7 7 from 86 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 7 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 7 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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