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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3751713678276669 4.2348e-07  
a 6.448114669901598 1.2379e-06 au
q 4.02896666928497 3.4663e-06 au
i 3.275503277055779 1.1283e-05 deg
node 224.3005761259006 0.00029107 deg
peri 90.364050218871 0.00039348 deg
M 28.90660822894087 0.00011449 deg
tp 2453593.277846670187
(2005-Aug-10.77784667)		 0.0017703 TDB
period 5980.638538756263
16.37		 0.0017223
4.715e-06		 d
yr
n .06019424141203254 1.7334e-08 deg/d
Q 8.867262670518224 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-Jul-20 08:42:51  

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 1.793342559348148E-13 -1.463497546060128E-12 -7.012444599764981E-10 2.722514609880771E-12 -1.040359363627335E-10 -3.19520803668467E-13
q -1.463497546060128E-12 1.201549116315305E-11 5.821013647937636E-9 -2.499235997115685E-11 8.65634392203735E-10 2.629713661263835E-12
tp -7.012444599764981E-10 5.821013647937636E-9 3.133835386245029E-6 -2.194431491301973E-8 4.698776003754598E-7 1.460602688383386E-9
node 2.722514609880771E-12 -2.499235997115685E-11 -2.194431491301973E-8 8.471921050647499E-8 -8.767759112297015E-8 -8.925236358667964E-10
peri -1.040359363627335E-10 8.65634392203735E-10 4.698776003754598E-7 -8.767759112297015E-8 1.54824423495042E-7 1.094148273030067E-9
i -3.19520803668467E-13 2.629713661263835E-12 1.460602688383386E-9 -8.925236358667964E-10 1.094148273030067E-9 1.273063539888218E-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

[ 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
1949-Feb-22 23:57 2_14:27 Uranus 0.136102760322867 0.126618068136474 0.146530423323316 2.74624617802161 2.64058290385063 2432970.497621214 3747.01203554804 761080.162681933 5424.4133402163 49.0747620967312 2910.31718647131 T 36 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:53 2020-Jul-20 08:42
1971-Jan-12 06:45 00:31 Jupiter 0.108321422482326 0.108206316150559 0.108436549437776 6.1866121694154 4.75763722077548 2440963.781216295 30.8369923537478 6320.04305956162 214.906325083044 24.126994233479 33756.2609935014 T 36 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:53 2020-Jul-20 08:42
2023-Aug-05 16:49 00:14 Jupiter 0.656697766028447 0.656662290024505 0.656733242202198 6.32968065774237 6.12251707975039 2460162.200540373 13.4948280971839 1849.01516449161 200.059957738399 -19.4068866759454 143504.549779914 T 36 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:53 2020-Jul-20 08:42
2078-Mar-27 23:28 03:08 Jupiter 0.103948192668369 0.103001125211058 0.104899883465994 6.17917524186579 4.67816137173564 2480120.477861776 187.700534012254 61924.3249271206 273.945719571105 -40.1869479989356 43374.5389838136 T 36 CATAB v2.0f-lin.ifort 2020-Jul-20 08:42:53 2020-Jul-20 08:42

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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