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JPL Small-Body Database Browser
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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 2456550.5 (2013-Sep-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6190190391774897 2.1216e-06  
a 5.239163854582194 1.6628e-07 au
q 1.996021679225291 1.1125e-05 au
i 23.89292200901644 3.0086e-05 deg
node 37.18868154355137 0.00025497 deg
peri 42.4246247270483 0.00057107 deg
M 184.4835301879647 6.2362e-05 deg
tp 2458686.035391274261
(2019-Jul-21.53539127)
0.00075298 TDB
period 4380.174360172878
11.99
0.00020852
5.709e-07
d
yr
n .08218850904049203 3.9126e-09 deg/d
Q 8.482306029939096 2.692e-07 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      4467 days (12.23 yr)  
   first obs. used      2007-10-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:37  

Additional Information
 Earth MOID = 1.06703 au 
 Jupiter MOID = .118193 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 11.8   0.4 14 2 parameter fit from 70 observations, autocmod 2.8
comet total magnitude slope K1 15.5   n/a 14 autocmod 2.8
comet nuclear magnitude M2 16.7   0.6 14 from 15 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 
 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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