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419P/PANSTARRS (2021 A11)
Classification: Encke-type Comet          SPK-ID: 1003379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457476.5 (2016-Mar-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2783765154369626 3.019e-06  
a 3.522315348529624 4.4361e-06 au
q 2.541785475535817 1.373e-05 au
i 2.804389789368292 3.2709e-05 deg
node 40.42666771858198 0.00038757 deg
peri 187.1935828025283 0.0024057 deg
M 56.63180716633693 0.0014012 deg
tp 2457096.661747309406
(2015-Mar-15.16174731)
0.008718 TDB
period 2414.575444625681
6.61
0.0045615
1.249e-05
d
yr
n .1490945337000265 2.8166e-07 deg/d
Q 4.502845221523431 5.671e-06 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      2273 days (6.22 yr)  
   first obs. used      2015-01-24  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .63182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:36:48  

Additional Information
 Earth MOID = 1.53217 au 
 Jupiter MOID = .496632 au 
 T_jup = 3.056 
[ 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 7.2   1. 24 from 141 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 23.25   n/a 24 autocmod 2.9c
comet nuclear magnitude M2 14.5   0.8 24 from 102 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 24 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 24 autocmod 2.9c

[ 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
1975-Nov-29 22:50 22:14 Jupiter 0.464379972352691 0.461929538786071 0.466831196690043 1.70015485519522 n/a 2442746.451653825 1333.54910651789 125893.392226936 508.724593375465 -13.8882810787305 32641.3282399785 F 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2011-Dec-28 13:35 01:11 Jupiter 0.935364178843643 0.934935188109322 0.93579312369488 3.45832205927402 3.1857313174363 2455924.065694571 70.5806650817489 18438.719870897 336.416715160072 -2.27765878325893 6681.2862379957 T 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2071-Jun-18 12:33 02:52 Jupiter 0.852601121711889 0.85206805864005 0.853134084508051 3.11298439869276 2.77556444056324 2477646.023235448 171.502283299746 21497.9610809336 370.321190942812 -3.53483089651097 7067.86624905568 T 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2107-Aug-11 15:47 1_12:10 Jupiter 1.10830086452816 1.10357833707199 1.11301887222358 2.74161581146662 2.44702897523086 2490848.157864354 2170.11528404382 201853.469397352 453.74153156756 8.03515655752861 28410.422587615 T 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2108-Sep-06 15:19 5_14:38 Jupiter 1.10796206430001 1.10405569702285 1.11186979729141 0.124675114733576 n/a 2491240.138049157 8077.78342176654 204257.105745392 790.974988053403 17.4763794091788 62844.6074822129 F 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2128-May-11 07:24 7_01:34 Jupiter 1.37506722828844 1.36692741735759 1.38314741162978 1.98343343333152 1.64378699234355 2498426.808489888 10173.5559243598 495583.679448619 261.649439305609 60.18111138365 108793.097974917 T 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2167-Dec-30 17:31 5_10:37 Jupiter 0.963381010194425 0.958347616366818 0.969126344647649 0.160454425937103 n/a 2512904.229528837 7836.92102134099 1333431.05200891 459.017381040741 78.3683641598174 307370.530346741 F 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36
2192-Feb-28 13:43 3_16:00 Jupiter 0.662477456819287 0.646285739951443 0.678830622246232 0.546365777460023 n/a 2521730.071227347 5280.445179559 961462.972895473 811.589393892345 32.4278410035581 65392.9586720515 F 24 CATAB v2.0g-lin.ifort 2021-May-04 13:36:49 2021-May-04 13:36

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.8   419P/2021 A11       
 2015.2   419P/2015 F1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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