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C/2019 K1 (ATLAS)
Classification: Hyperbolic Comet          SPK-ID: 1003624
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458647.5 (2019-Jun-13.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000552640410847 5.0261e-06  
a -3642.042786454879 33.121 au
q 2.012740021828432 2.6741e-06 au
i 87.15723246961954 6.8314e-05 deg
node 73.37757244126112 8.789e-06 deg
peri 265.6825364524518 0.0001382 deg
M -.001098060788254863 1.4978e-05 deg
tp 2458892.372420753549
(2020-Feb-12.87242075)
0.00036598 TDB
period n/a
n/a
n/a
n/a
d
yr
n 4.484215841358478E-6 6.1169e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      468 days (1.28 yr)  
   first obs. used      2019-05-14  
   last obs. used      2020-08-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .62515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:55  

Additional Information
 Earth MOID = 1.71991 au 
 Jupiter MOID = .536094 au 
 T_jup = 0.112 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.2   0.7 25 2 parameter fit from 236 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 25 autocmod 2.9c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2019-Feb-22 06:36 < 00:01 Jupiter 1.1960711533341 1.19604990900729 1.19609239766988 23.2636844341348 23.2332234549826 2458536.775084873 0.607389615584818 1072.73718734905 267.882176306977 -9.13608311883623 235061.225467648 T 25 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:55 2021-Apr-15 23:33
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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