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395P/Catalina-NEAT (2020 H1)
Classification: Jupiter-family Comet          SPK-ID: 1001650
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 2454039.5 (2006-Oct-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3751246360109909 4.2372e-07  
a 6.447587379102636 1.2418e-06 au
q 4.028938510367701 3.4669e-06 au
i 3.275488190953783 1.1312e-05 deg
node 224.3007099164002 0.00029382 deg
peri 90.35946314468158 0.0003954 deg
M 26.86571168669457 0.00011395 deg
tp 2453593.237770720572
(2005-Aug-10.73777072)
0.0017704 TDB
period 5979.904958935419
16.37
0.0017276
4.73e-06
d
yr
n .06020162569006608 1.7392e-08 deg/d
Q 8.866236247837572 1.7076e-06 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      5522 days (15.12 yr)  
   first obs. used      2005-05-12  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .83317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-26 16:18:06  

Additional Information
 Earth MOID = 3.01679 au 
 Jupiter MOID = .073715 au 
 T_jup = 2.867 
[ 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 9.9   0.5 14 2 parameter fit from 84 observations
comet total magnitude slope K1 10.0   n/a 14 2 parameter fit from 84 observations
comet nuclear magnitude M2 13.0   0.5 14 from 13 observations
comet nuclear magnitude slope K2 5.0   n/a 14 from 13 observations
comet nuclear phase coefficient PC 0.03   n/a 20 autocmod 2.3

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2022.0   395P/2020 H1       
 2005.6   395P/2005 JD108       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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