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v. 3.14.2
PANSTARRS (C/2017 U4)
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Name
P10EpAX → C/2017 U4
Type
Comet (Hyperbolic)
Status
Not Following
Source
Minor Planet Center
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
Site
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Measurements
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Last Update: 2020-Feb-26 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
158.21743
Longitude of Ascending Node (deg)
245.94513
Arg of perihelion (deg)
159.04374
Eccentricity
1.0026927
Perihelion distance (AU)
7.7215910
Epoch of perihelion
Sept. 23, 2018, 2:33 p.m.
Epoch of perihelion (MJD)
58384.60659
Total Magnitude (M1)
7.1
Slope Parameter (k1)
10.75
Physical Parameters
Reciprocal of semimajor axis
E2020-SI8
0.000109 au
+/- 0.0000024
+/- 0.0000024
K1
autocmod 2.9c
12
10.75
M1
from 68 observations, assumed slope, autocmod 2.9c
12
7.1
+/- 0.7
Follow-up Details
NEOCP
digest2
score
35
Number of observations
82
Arc length (days)
1150.00
Time since last observation (days)
732.12
Spectroscopy Details
Known Taxonomies
None
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