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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 2455913.5 (2011-Dec-18.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5049481948303123 7.5368e-08  
a 3.312141279734187 9.3893e-08 au
q 1.639681519509449 2.7651e-07 au
i 31.63488303875135 1.0497e-05 deg
node .6010868115585065 7.8755e-06 deg
peri 183.7148461514867 1.7334e-05 deg
M 222.0845635398738 3.4057e-06 deg
tp 2456756.974746382767
(2014-Apr-09.47474638)
3.6743e-05 TDB
period 2201.718070809186
6.03
9.3622e-05
2.563e-07
d
yr
n .163508672964514 6.9528e-09 deg/d
Q 4.984601039958925 1.413e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.406351824046697E-11 9.128E-13
  Orbit Determination Parameters
   # obs. used (total)      2065  
   data-arc span      10520 days (28.80 yr)  
   first obs. used      1991-03-15  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 08:46:00  

Additional Information
 Earth MOID = .643225 au 
 Jupiter MOID = .00277202 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 16.0   0.6 42 2 parameter fit from 424 observations, autocmod 2.8
comet total magnitude slope K1 5.   n/a 42 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       
 1990.2   124P/1991 F1   1991 IV   1991k 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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