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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 
[ 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

[ 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 0.136102724903701 0.126618036555863 0.146530384840377 2.74624620638706 2.64058290530332 2432970.497602163 3747.01174455923 761080.175773158 5424.41325995541 49.0747799720144 2910.31728752809 T 37 CATAB v2.0f-lin.ifort 2020-Nov-11 11:12:53 2020-Nov-11 11:12
1971-Jan-12 06:45 00:31 Jupiter 0.108321422853289 0.108206316521503 0.108436549808757 6.18661216635932 4.75763722243016 2440963.781215128 30.836992536562 6320.04305934367 214.906325300645 24.126994226215 33756.2610496755 T 37 CATAB v2.0f-lin.ifort 2020-Nov-11 11:12:53 2020-Nov-11 11:12
2023-Aug-05 16:49 00:14 Jupiter 0.656697767619145 0.656662291615192 0.656733243792908 6.32968066292533 6.12251708561902 2460162.200543253 13.4948280564214 1849.01516503081 200.059957740213 -19.4068866235144 143504.549747709 T 37 CATAB v2.0f-lin.ifort 2020-Nov-11 11:12:53 2020-Nov-11 11:12
2078-Mar-27 23:28 03:08 Jupiter 0.103948237359542 0.10300116965977 0.104899928394843 6.17917478359748 4.67816151530116 2480120.477854011 187.700551237922 61924.3243461259 273.945724080184 -40.1869315545574 43374.5363350584 T 37 CATAB v2.0f-lin.ifort 2020-Nov-11 11:12:53 2020-Nov-11 11:12

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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