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v. 3.14.2
Lemmon (C/2020 T5)
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Name
C3DAPM2 → C/2020 T5
Type
Comet (Long Period)
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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Measurements
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Last Update: 2021-Jan-16 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
66.60365
Longitude of Ascending Node (deg)
237.86046
Arg of perihelion (deg)
90.29393
Eccentricity
0.9977826
Perihelion distance (AU)
1.8889850
Epoch of perihelion
Oct. 9, 2020, 2:56 p.m.
Epoch of perihelion (MJD)
59131.62269
Total Magnitude (M1)
16.2
Slope Parameter (k1)
10.5
Physical Parameters
Reciprocal of semimajor axis
E2021-BE3
0.002653 au
+/- 0.0000084
+/- 0.0000084
K1
autocmod 2.9c
4
10.5
M1
2 parameter fit from 69 observations, autocmod 2.9c
4
16.2
+/- 0.6
Diameter
Initial Diameter Guess using H=16.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
1623.53 m
+4451.0 / -764.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
114
Arc length (days)
272.00
Time since last observation (days)
407.08
Spectroscopy Details
Known Taxonomies
None
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