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386P/PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4179568377927972 8.5968e-06  
a 4.050718122947203 8.4304e-07 au
q 2.357692785490215 3.5296e-05 au
i 15.24393864924359 6.1535e-05 deg
node 134.9809338800164 0.00025705 deg
peri 353.2994779947501 0.00059686 deg
M 99.96704654601068 0.00030676 deg
tp 2456099.604131542422
(2012-Jun-21.10413154)
0.0022871 TDB
period 2977.806416514638
8.15
0.00092961
2.545e-06
d
yr
n .1208943596882166 3.7741e-08 deg/d
Q 5.743743460404191 1.1954e-06 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5823 days (15.94 yr)  
   first obs. used      2004-02-14  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .46633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-14 17:13:24  

Additional Information
 Earth MOID = 1.37217 au 
 Jupiter MOID = .491477 au 
 T_jup = 2.831 
[ 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 12.0   0.4 14 2 parameter fit from 68 observations, autocmod 2.8
comet total magnitude slope K1 15.5   n/a 14 autocmod 2.8
comet nuclear magnitude M2 16.6   0.3 14 from 16 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 14 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 14 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.5   386P/2011 U1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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