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v. 3.14.2
Lemmon (C/2021 C6)
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Name
C4V28F2 → C/2021 C6
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: 2022-Jan-25 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0
Jan. 21, 2022
Orbital inclination in deg
164.62576
Longitude of Ascending Node (deg)
332.15556
Arg of perihelion (deg)
203.5603
Eccentricity
1.001681
Perihelion distance (AU)
3.2712093
Epoch of perihelion
Nov. 13, 2021, 7:36 a.m.
Epoch of perihelion (MJD)
59531.31670
Total Magnitude (M1)
15.5
Slope Parameter (k1)
4.5
Physical Parameters
Reciprocal of semimajor axis
E2022-C56
0.000424 au
+/- 0.0000006
+/- 0.0000006
K1
autocmod 3.0a
9
4.5
M1
2 parameter fit from 171 observations, autocmod 3.0a
9
15.5
+/- 0.5
Diameter
Initial Diameter Guess using H=14.8 and albedo=0.14 (0.01 to 0.5)
MPC Default
3894.58 m
+10678.0 / -1834.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
200
Arc length (days)
367.00
Time since last observation (days)
33.07
Spectroscopy Details
Known Taxonomies
None
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