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v. 3.14.2
Lemmon (C/2020 H7)
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Name
C2PJ842 → C/2020 H7
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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Recent Blocks Scheduled
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Measurements
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Last Update: 2020-Sep-13 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
135.92303
Longitude of Ascending Node (deg)
323.52776
Arg of perihelion (deg)
82.78758
Eccentricity
0.9995576
Perihelion distance (AU)
4.4202077
Epoch of perihelion
June 3, 2020, 3:23 p.m.
Epoch of perihelion (MJD)
59003.64117
Total Magnitude (M1)
11.2
Slope Parameter (k1)
10.0
Physical Parameters
Reciprocal of semimajor axis
E2020-SI8
0.000169 au
+/- 0.0000112
+/- 0.0000112
K1
autocmod 2.9c
10
10.0
M1
from 128 observations, assumed slope, autocmod 2.9c
10
11.2
+/- 0.6
Diameter
Initial Diameter Guess using H=13.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
5894.69 m
+16161.0 / -2776.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
174
Arc length (days)
137.00
Time since last observation (days)
532.09
Spectroscopy Details
Known Taxonomies
None
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