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262P/McNaught-Russell
Classification: Jupiter-family Comet* [NEO]          SPK-ID: 1000154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455913.5 (2011-Dec-18.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8154028826429843 3.4132e-08  
a 6.935517744284216 6.364e-08 au
q 1.280276582973298 2.4497e-07 au
i 29.07941912183574 1.1016e-05 deg
node 218.014288416019 1.974e-05 deg
peri 171.1690205549158 2.7541e-05 deg
M 340.9807027646734 1.9514e-06 deg
tp 2456265.959095660397
(2012-Dec-04.45909566)
3.3803e-05 TDB
period 6671.396575161833
18.27
9.1825e-05
2.514e-07
d
yr
n .05396171490393931 7.4273e-10 deg/d
Q 12.59075890559513 1.1553e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      6706 days (18.36 yr)  
   first obs. used      1994-12-12  
   last obs. used      2013-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .6082  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:42:09  

Additional Information
 Earth MOID = .291456 au 
 T_jup = 1.918 
[ 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 13.1   2. 39 from 126 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 16.   n/a 39 autocmod 2.5c
comet nuclear magnitude M2 17.0   01. 39 from 1046 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 39 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 39 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.9   262P/2012 K7       
 1994.7   262P/1994 X1   1994 XXIV   1994u 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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