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JPL Small-Body Database Browser
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P/2011 S1 (Gibbs)
Classification: Chiron-type Comet          SPK-ID: 1003150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456405.5 (2013-Apr-23.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031871808841568 1.0181e-05  
a 8.652311090925251 0.00013409 au
q 6.894272392227426 1.9786e-05 au
i 2.679312493288621 4.0741e-05 deg
node 218.8963097728602 0.00056357 deg
peri 193.3401340178101 0.0012538 deg
M 341.1178022372729 0.0011506 deg
tp 2456893.080868877154
(2014-Aug-23.58086888)
0.01921 TDB
period 9296.010718745056
25.45
0.2161
0.0005916
d
yr
n .03872628925374123 9.0026e-07 deg/d
Q 10.41034978962307 0.00016134 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      1922 days (5.26 yr)  
   first obs. used      2010-09-29  
   last obs. used      2016-01-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .54715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:56  

Additional Information
 Earth MOID = 5.9063 au 
 Jupiter MOID = 1.88541 au 
 T_jup = 3.124 
[ 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 7.0   0.9 36 from 123 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 11.   n/a 36 autocmod 2.9c
comet nuclear magnitude M2 11.5   0.6 36 from 5 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 36 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 36 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.6   P/2011 S1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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