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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 2454073.5 (2006-Dec-04.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3751713678274742 4.2348e-07  
a 6.44811466989895 1.2379e-06 au
q 4.028966669284559 3.4663e-06 au
i 3.275503277055763 1.1283e-05 deg
node 224.3005761258805 0.00029107 deg
peri 90.36405021886537 0.00039348 deg
M 28.90660822896974 0.00011449 deg
tp 2453593.277846670003
(2005-Aug-10.77784667)
0.0017703 TDB
period 5980.63853875258
16.37
0.0017223
4.715e-06
d
yr
n .06019424141206961 1.7334e-08 deg/d
Q 8.867262670513341 1.7024e-06 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5542 days (15.17 yr)  
   first obs. used      2005-05-12  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .82576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:12:53  

Additional Information
 Earth MOID = 3.0182 au 
 Jupiter MOID = .0736505 au 
 T_jup = 2.867 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.793342559341784E-13 -1.463497546065058E-12 -7.01244459977231E-10 2.72251461375792E-12 -1.040359363667874E-10 -3.19520803726828E-13
q -1.463497546065058E-12 1.201549116326933E-11 5.821013647980869E-9 -2.499235996467439E-11 8.656343922040977E-10 2.629713661357734E-12
tp -7.01244459977231E-10 5.821013647980869E-9 3.133835386257675E-6 -2.194431490995201E-8 4.698776003745595E-7 1.460602688431122E-9
node 2.72251461375792E-12 -2.499235996467439E-11 -2.194431490995201E-8 8.471921050527887E-8 -8.767759112135277E-8 -8.925236358301663E-10
peri -1.040359363667874E-10 8.656343922040977E-10 4.698776003745595E-7 -8.767759112135277E-8 1.548244234933646E-7 1.094148273000682E-9
i -3.19520803726828E-13 2.629713661357734E-12 1.460602688431122E-9 -8.925236358301663E-10 1.094148273000682E-9 1.273063539879046E-10

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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