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JPL Small-Body Database Browser
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124P/Mrkos
Classification: Jupiter-family Comet          SPK-ID: 1000142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2456294.5 (2013-Jan-02.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5041097287751399 6.9811e-08  
a 3.316263816057278 7.6901e-08 au
q 1.644502963197833 2.6285e-07 au
i 31.53858119659551 9.7461e-06 deg
node .4852844121687332 7.4712e-06 deg
peri 183.6772547219896 1.699e-05 deg
M 284.5020575684605 3.5756e-06 deg
tp 2456757.098958253387
(2014-Apr-09.59895825)
3.5364e-05 TDB
period 2205.829981687668
6.04
7.6727e-05
2.101e-07
d
yr
n .1632038747268119 5.6768e-09 deg/d
Q 4.988024668916723 1.1567e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.336778313409987E-11 8.637E-13
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      10596 days (29.01 yr)  
   first obs. used      1991-03-15  
   last obs. used      2020-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-19 18:45:28  

Additional Information
 Earth MOID = .648578 au 
 Jupiter MOID = .0012671 au 
 T_jup = 2.744 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.1   0.5 45 2 parameter fit from 700 observations, autocmod 2.8
comet total magnitude slope K1 5.25   n/a 45 autocmod 2.8

124P/Mrkos          Discovered 1991-Mar-16 by Mrkos, Antonin at Klet Observatory
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.2   124P/1995 S3       
 1990.1   124P/1991 F1   1991 IV   1991k 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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