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C/2011 KP36 (Spacewatch)
Classification: Jupiter-family Comet          SPK-ID: 1003189
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2457549.5 (2016-Jun-10.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8728683770076086 7.981e-07  
a 38.41143614871077 0.00024313 au
q 4.883308219054214 5.1056e-07 au
i 18.98677704553877 6.6873e-06 deg
node 173.4003260025184 1.7635e-05 deg
peri 180.5957750859916 2.1998e-05 deg
M .05845719034423426 7.9118e-07 deg
tp 2457535.380325612664
(2016-May-26.88032561)
0.00014912 TDB
period 86953.9358547415
238.07
0.82557
0.00226
d
yr
n .004140123117616988 3.9308e-08 deg/d
Q 71.93956407836733 0.00045534 au
  Orbit Determination Parameters
   # obs. used (total)      3667  
   data-arc span      3226 days (8.83 yr)  
   first obs. used      2011-05-21  
   last obs. used      2020-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .40929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-14 17:12:53  

Additional Information
 Earth MOID = 3.87784 au 
 Jupiter MOID = .0792781 au 
 T_jup = 2.643 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.5   0.7 104 2 parameter fit from 903 observations, autocmod 2.8
comet total magnitude slope K1 7.   n/a 104 autocmod 2.8
comet nuclear magnitude M2 9.5   0.5 104 from 2476 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 104 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 104 autocmod 2.8
diameter diameter 55.100 km 19.400 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  
geometric albedo albedo 0.101   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.4   C/2011 KP36       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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