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v. 3.17.1
C/2018 EF9
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Type
Comet
Status
Not Following
Source
NEODSYS
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,V45,V47; (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)
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Last Update: 2026-Jun-16 05:33
Orbital Elements
MPC Comet
Epoch of elements (MJD)
58226.0
April 18, 2018
Orbital inclination in deg
84.69445280104227
Longitude of Ascending Node (deg)
172.5780664128357
Arg of perihelion (deg)
72.61657512148747
Eccentricity
0.9975741722198472
Perihelion distance (AU)
1.5566326
Epoch of perihelion
May 23, 2018, 3:04 a.m.
Epoch of perihelion (MJD)
58261.12838
Total Magnitude (M1)
8.6
Slope Parameter (k1)
113.125
Physical Parameters
Follow-up Details
Number of observations
191
Arc length (days)
186.00
Spectroscopy Details
Known Taxonomies
None
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