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v. 3.15.2
21P/Giacobini-Zinner
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Type
Comet (Jupiter Family) [NEO]
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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2018-09-29T05:10:00
2018-09-29T15:10:00
OGG
Req: 1647494
2018-09-29T09:10:00
2018-09-29T18:30:00
COJ
Req: 1647496
2018-09-30T05:10:00
2018-09-30T15:10:00
OGG
Req: 1648165
2018-09-30T09:10:00
2018-09-30T18:30:00
COJ
Req: 1648167
2018-10-05T05:10:00
2018-10-05T15:10:00
OGG
Req: 1651275
2018-10-05T09:10:00
2018-10-05T18:20:00
COJ
Req: 1650832
Measurements
Show Measurements
Plot Visibility
Ingest Time: 2018-Sep-28 20:07
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60760.0
March 26, 2025
Orbital inclination in deg
32.05028
Longitude of Ascending Node (deg)
195.33227
Arg of perihelion (deg)
172.93471
Eccentricity
0.7110279
Perihelion distance (AU)
1.0089527
Epoch of perihelion
March 25, 2025, 9:58 a.m.
Epoch of perihelion (MJD)
60759.41571
Total Magnitude (M1)
13.1
Slope Parameter (k1)
8.5
Physical Parameters
K1
autocmod 2.9b
K182/14
8.5
M1
2 parameter fit from 1428 observations, autocmod 2.9b
K182/14
13.1
+/- 0.9
Diameter
Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264
2.0 km
Follow-up Details
Number of observations
2292
Arc length (days)
4860.00
Time since last observation (days)
1295.11
Spectroscopy Details
LCO Spectrum
2018-09-30 (COJ)
LCO Spectrum
2018-10-05 (OGG)
Known Taxonomies
None
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