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v. 3.17.1a
Iwamoto (C/2020 A2)
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Name
IF033 → C/2020 A2
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)
ELP 0.4m - V98; (TEMP; McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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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Last Update: 2020-Apr-11 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
120.74744
Longitude of Ascending Node (deg)
286.37881
Arg of perihelion (deg)
68.20881
Eccentricity
0.9991676
Perihelion distance (AU)
0.9778700
Epoch of perihelion
Jan. 8, 2020, 8:16 a.m.
Epoch of perihelion (MJD)
58856.34487
Total Magnitude (M1)
15.1
Slope Parameter (k1)
11.25
Physical Parameters
Reciprocal of semimajor axis
E2020-W26
0.001224 au
+/- 0.0000517
+/- 0.0000517
PC
autocmod 2.9c
21
0.03
K2
autocmod 2.9c
21
5.0
M2
from 46 observations, autocmod 2.9c
21
17.2
+/- 0.6
K1
autocmod 2.9c
21
11.25
M1
2 parameter fit from 383 observations, autocmod 2.9c
21
15.1
+/- 1.0
Diameter
Initial Diameter Guess using H=13.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
7770.71 m
+21305.0 / -3659.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
106
Arc length (days)
92.00
Time since last observation (days)
687.10
Spectroscopy Details
Known Taxonomies
None
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