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388P/Gibbs
Classification: Jupiter-family Comet          SPK-ID: 1002481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456702.5 (2014-Feb-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6189910420930611 1.9821e-06  
a 5.239158136779054 1.5664e-07 au
q 1.996166182003847 1.0399e-05 au
i 23.88626207065368 2.8675e-05 deg
node 37.17177143758405 0.00020951 deg
peri 42.45114458373023 0.00050796 deg
M 196.9380811971394 5.1796e-05 deg
tp 2458686.495740623722
(2019-Jul-21.99574062)
0.00064057 TDB
period 4380.167189667648
11.99
0.00019644
5.378e-07
d
yr
n .08218864358630008 3.6859e-09 deg/d
Q 8.48215009155426 2.536e-07 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      4573 days (12.52 yr)  
   first obs. used      2007-10-12  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-30 07:17:16  

Additional Information
 Earth MOID = 1.06715 au 
 Jupiter MOID = .117745 au 
 T_jup = 2.434 
[ 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 11.3   0.4 16 2 parameter fit from 77 observations, autocmod 2.8
comet total magnitude slope K1 17.   n/a 16 autocmod 2.8
comet nuclear magnitude M2 16.7   0.6 16 from 15 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 16 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 16 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.6   388P/2019 R2       
 2007.6   388P/2007 T4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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