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v. 3.14.2
Lemmon (C/2017 F1)
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Name
YF9798E → C/2017 F1
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)
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Measurements
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Last Update: 2018-Mar-18 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
146.46331
Longitude of Ascending Node (deg)
158.78667
Arg of perihelion (deg)
64.75674
Eccentricity
1.0034781
Perihelion distance (AU)
4.4963311
Epoch of perihelion
Nov. 30, 2017, 3:40 a.m.
Epoch of perihelion (MJD)
58087.15288
Total Magnitude (M1)
8.3
Slope Parameter (k1)
13.75
Physical Parameters
Reciprocal of semimajor axis
E2020-SI8
0.000025 au
+/- 0.0000046
+/- 0.0000046
K1
autocmod 2.9c
9
13.75
M1
2 parameter fit from 71 observations, autocmod 2.9c
9
8.3
+/- 0.6
Follow-up Details
NEOCP
digest2
score
35
Number of observations
87
Arc length (days)
407.00
Time since last observation (days)
1442.13
Spectroscopy Details
Known Taxonomies
None
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