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P/2010 JC81 (WISE)
Classification: Halley-type Comet*          SPK-ID: 1003140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2455908.5 (2011-Dec-13.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7773506455785488 2.1464e-06  
a 8.133096409161784 7.7197e-05 au
q 1.810828664947294 5.9383e-07 au
i 38.69026902738793 1.6819e-05 deg
node 30.76805234895705 6.8336e-05 deg
peri 12.57330798719058 9.4367e-05 deg
M 9.792411933613057 0.00015156 deg
tp 2455678.053837082403
(2011-Apr-26.55383708)
0.00036066 TDB
period 8471.929001022465
23.19
0.12062
0.0003302
d
yr
n .04249327395880586 6.05e-07 deg/d
Q 14.45536415337627 0.00013721 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      1129 days (3.09 yr)  
   first obs. used      2010-05-10  
   last obs. used      2013-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .66549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:44  

Additional Information
 Earth MOID = .827644 au 
 Jupiter MOID = 2.33101 au 
 T_jup = 1.868 
[ 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 10.3   01. 51 2 parameter fit from 150 observations, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 51 autocmod 2.9c
comet nuclear magnitude M2 13.5   0.6 51 from 402 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 51 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 51 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.3   P/2010 JC81       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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