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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 ]

[ hide orbit diagram ]

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 2454070.5 (2006-Dec-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3751671318791611 4.2332e-07  
a 6.448066120811776 1.2375e-06 au
q 4.028963648099634 3.465e-06 au
i 3.275502872747119 1.1234e-05 deg
node 224.3005801957745 0.00029097 deg
peri 90.36361321564132 0.0003934 deg
M 28.72658201488539 0.00011444 deg
tp 2453593.273991170351
(2005-Aug-10.77399117)		 0.0017702 TDB
period 5980.570994824602
16.37		 0.0017217
4.714e-06		 d
yr
n .0601949212393821 1.7329e-08 deg/d
Q 8.867168593523919 1.7018e-06 au
   Orbit Determination Parameters
   # obs. used (total)      201  
   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      .82027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-14 17:13:24  

Additional Information
 Earth MOID = 3.01745 au 
 Jupiter MOID = .0736566 au 
 T_jup = 2.867 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.791971692159148E-13 -1.462381763179579E-12 -7.011155862714183E-10 2.731355433500289E-12 -1.040100912610812E-10 -3.207740224611367E-13
q -1.462381763179579E-12 1.200640526418467E-11 5.819917548554454E-9 -2.506363872099894E-11 8.65418308218779E-10 2.639824510890856E-12
tp -7.011155862714183E-10 5.819917548554454E-9 3.133718514160693E-6 -2.195749814918169E-8 4.698578711092043E-7 1.462444070105829E-9
node 2.731355433500289E-12 -2.506363872099894E-11 -2.195749814918169E-8 8.466118707465113E-8 -8.762243393246194E-8 -8.844991682170099E-10
peri -1.040100912610812E-10 8.65418308218779E-10 4.698578711092043E-7 -8.762243393246194E-8 1.547632401266277E-7 1.086527062807286E-9
i -3.207740224611367E-13 2.639824510890856E-12 1.462444070105829E-9 -8.844991682170099E-10 1.086527062807286E-9 1.261979371945618E-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-23 00:08 2_14:26 Uranus 0.136133237588081 0.12664800873164 0.14656021966335 2.74622190847187 2.64058179226044 2432970.505832670 3746.04777287327 760841.900604313 5420.58004038187 49.0598297303007 2912.3467599853 T 38 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:25 2021-Jan-14 17:13
1971-Jan-12 06:45 00:31 Jupiter 0.108321076969891 0.108206003818921 0.108436170733912 6.1866155647872 4.7576363934429 2440963.781291782 30.8249434598772 6318.25511976294 214.786485495447 24.1276965774805 33775.4768080297 T 38 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:25 2021-Jan-14 17:13
2023-Aug-05 16:49 00:14 Jupiter 0.656697644097362 0.656662181743324 0.656733106621097 6.32968046823201 6.12251684471224 2460162.200524278 13.4935125389497 1848.32009662696 200.050792519436 -19.408432760693 143525.222542224 T 38 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:25 2021-Jan-14 17:13
2078-Mar-27 23:29 03:08 Jupiter 0.103944855194924 0.102998187403235 0.104896142913726 6.17920954316104 4.6781507524052 2480120.478336877 187.617820990785 61899.2527947154 273.67963351143 -40.1880562223856 43419.0099635449 T 38 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:25 2021-Jan-14 17:13

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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