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380P/PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458401.5 (2018-Oct-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3264277991474824 6.0311e-07  
a 4.527671671078402 4.3615e-06 au
q 3.049713772225876 2.0234e-06 au
i 8.234045795376302 1.5945e-05 deg
node 133.114277594332 0.00032276 deg
peri 90.06069151748201 0.0003474 deg
M 335.4513808979481 7.1676e-05 deg
tp 2458641.458082313714
(2019-Jun-06.95808231)
0.00059189 TDB
period 3518.931524165309
9.63
0.0050847
1.392e-05
d
yr
n .1023037809993737 1.4783e-07 deg/d
Q 6.005629569930929 5.7853e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 9.693191909555164E-7 1.527E-7
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      3779 days (10.35 yr)  
   first obs. used      2009-02-26  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .47082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:05:11  

Additional Information
 Earth MOID = 2.05507 au 
 Jupiter MOID = .289464 au 
 T_jup = 2.894 
[ 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 7.8   0.6 11 2 parameter fit from 202 observations, autocmod 2.8
comet total magnitude slope K1 19.75   n/a 11 autocmod 2.8
comet nuclear magnitude M2 14.3   0.4 11 from 14 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 11 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 11 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.4   380P/2019 G1       
 2009.8   380P/2011 O2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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