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384P/Kowalski
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1003346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2458250.5 (2018-May-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6151793178094626 5.5737e-08  
a 2.909656217599006 4.0737e-08 au
q 1.119695890596388 1.7383e-07 au
i 7.295751593922165 6.0538e-06 deg
node 354.6259153705682 5.3624e-05 deg
peri 37.05522118227328 6.0211e-05 deg
M 257.3018202502478 4.1934e-06 deg
tp 2458767.655551362000
(2019-Oct-11.15555136)
2.8768e-05 TDB
period 1812.846137526301
4.96
3.8071e-05
1.042e-07
d
yr
n .1985827658221641 4.1704e-09 deg/d
Q 4.699616544601623 6.5797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      1920 days (5.26 yr)  
   first obs. used      2014-10-18  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:47:03  

Additional Information
 Earth MOID = .14151 au 
 Jupiter MOID = .8908 au 
 T_jup = 2.958 
[ 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 19.9   0.6 21 2 parameter fit from 410 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 21 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.8   384P/2019 O1       
 2014.8   384P/2014 U2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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