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C/1944 H1 (Vaisala)
Classification: Comet          SPK-ID: 1001049
Ephemeris | Orbit Diagram | Orbital Elements ]

[ show orbit diagram ]
Orbital Elements at Epoch 2431201.5 (1944-Apr-21.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9933513558358447 24.731  
a 362.6477873706629 1.3449e+06 au
q 2.411116095145803 26.754 au
i 17.30719283898874 276.12 deg
node 29.06844328926404 208.36 deg
peri 238.941777032756 368.51 deg
M 359.9631764765455 205.59 deg
tp 2431459.517293730936
(1945-Jan-04.01729373)
5517.9 TDB
period 2522469.797270078
6906.15
1.4033e+10
3.842e+07
d
yr
n .0001427172687615951 0.79394 deg/d
Q 722.88445864618 2.6809e+06 au
  Orbit Determination Parameters
   # obs. used (total)      5  
   data-arc span      8 days  
   first obs. used      1944-04-18  
   last obs. used      1944-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .16752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:11:14  

Additional Information
 Earth MOID = 1.44955 au 
 Jupiter MOID = .600647 au 
 T_jup = 1.849 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements ]

no physical parameters available

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1945.0   C/1944 H1       
Ephemeris | Orbit Diagram | Orbital Elements ]
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