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Minor planet follow-up portal
v. 3.14.2
405P/Lemmon (405P/2020 U1)
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Name
C1QY181 → 405P
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
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Measurements
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Last Update: 2021-Apr-20 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
9.36483
Longitude of Ascending Node (deg)
3.31384
Arg of perihelion (deg)
112.24843
Eccentricity
0.6892478
Perihelion distance (AU)
1.1219055
Epoch of perihelion
Dec. 24, 2020, 7:40 a.m.
Epoch of perihelion (MJD)
59207.31969
Total Magnitude (M1)
18.8
Slope Parameter (k1)
4.5
Physical Parameters
K1
autocmod 2.9c
56
4.5
M1
2 parameter fit from 750 observations, autocmod 2.9c
56
18.8
+/- 0.7
Diameter
Initial Diameter Guess using H=16.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
1951.92 m
+5351.0 / -919.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
1042
Arc length (days)
2755.00
Time since last observation (days)
313.08
Spectroscopy Details
Known Taxonomies
None
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