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v. 3.14.2
Leonard (C/2017 W2)
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Name
YW9CAED → C/2017 W2
Type
Comet (Halley-Type)
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
Min Altitude
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Recent Blocks Scheduled
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Measurements
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Last Update: 2018-May-12 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59000.0
May 31, 2020
Orbital inclination in deg
98.19899
Longitude of Ascending Node (deg)
312.83699
Arg of perihelion (deg)
169.102
Eccentricity
0.7109522
Perihelion distance (AU)
3.9551308
Epoch of perihelion
Nov. 1, 2017, 2:36 p.m.
Epoch of perihelion (MJD)
58058.60901
Total Magnitude (M1)
10.9
Slope Parameter (k1)
10.0
Physical Parameters
PC
autocmod 2.9c
12
0.03
K2
autocmod 2.9c
12
5.0
M2
from 26 observations, autocmod 2.9c
12
14.0
+/- 0.7
K1
autocmod 2.9c
12
10.0
M1
from 141 observations, assumed slope, autocmod 2.9c
12
10.9
+/- 0.5
Reciprocal of semimajor axis
MPEC 2019-J142
0.07298522 au
Follow-up Details
NEOCP
digest2
score
10
Number of observations
158
Arc length (days)
167.00
Time since last observation (days)
1387.12
Spectroscopy Details
Known Taxonomies
None
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