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Minor planet follow-up portal
v. 3.14.2
Lemmon (C/2020 W5)
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Name
C3ZPHU2 → C/2020 W5
Type
Comet (Hyperbolic) [Dynamically New]
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
No blocks have been scheduled
Measurements
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Plot Visibility
Last Measurement: 2021-Jan-08 05:26
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
88.58767
Longitude of Ascending Node (deg)
75.51324
Arg of perihelion (deg)
24.48378
Eccentricity
1.0010912
Perihelion distance (AU)
3.3642411
Epoch of perihelion
Nov. 30, 2020, 2:51 a.m.
Epoch of perihelion (MJD)
59183.11877
Total Magnitude (M1)
14.2
Slope Parameter (k1)
10.0
Physical Parameters
Reciprocal of semimajor axis
E2021-BE3
-0.000025 au
+/- 0.0000669
+/- 0.0000669
K1
autocmod 2.9c
2
10.0
M1
from 37 observations, assumed slope, autocmod 2.9c
2
14.2
+/- 0.7
Diameter
Initial Diameter Guess using H=16.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
1864.06 m
+5111.0 / -878.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
55
Arc length (days)
49.00
Time since last observation (days)
415.08
Spectroscopy Details
Known Taxonomies
None
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