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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.


Orbital Elements at Epoch 2454842.5 (2009-Jan-11.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .375747989674265 1.8109e-07  
a 6.459419619010871 1.8718e-07 au
q 4.032305682705029 1.254e-06 au
i 3.273618570103231 1.0027e-05 deg
node 224.2919291488704 0.00026697 deg
peri 90.55453001820261 0.00028204 deg
M 74.91398488641128 3.8643e-05 deg
tp 2453594.688245216367
(2005-Aug-12.18824522)
0.00061847 TDB
period 5996.373472899996
16.42
0.00026064
7.136e-07
d
yr
n .06003628720375467 2.6095e-09 deg/d
Q 8.886533555316714 2.5751e-07 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      5912 days (16.19 yr)  
   first obs. used      2005-05-12  
   last obs. used      2021-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-26 23:12:41  

Additional Information
 Earth MOID = 3.02209 au 
 Jupiter MOID = .0718263 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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