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v. 3.15.3
NEOWISE (C/2021 B3)
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Name
N00hwa7 → C/2021 B3
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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2021-01-26T00:43:00
2021-01-27T00:43:00
SIN
Req: 2367032
Measurements
Show Measurements
Plot Visibility
Last Update: 2021-Apr-17 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59400.0
July 5, 2021
Orbital inclination in deg
119.48816
Longitude of Ascending Node (deg)
67.2869
Arg of perihelion (deg)
293.55899
Eccentricity
0.9382095
Perihelion distance (AU)
2.1601558
Epoch of perihelion
March 10, 2021, 9:49 p.m.
Epoch of perihelion (MJD)
59283.90904
Total Magnitude (M1)
13.9
Slope Parameter (k1)
10.0
Physical Parameters
Reciprocal of semimajor axis
E2021-N06
0.030173 au
+/- 0.0000034
+/- 0.0000034
K1
autocmod 2.9c
6
10.0
M1
from 76 observations, assumed slope, autocmod 2.9c
6
13.9
+/- 0.5
Diameter
Initial Diameter Guess using H=14.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
4270.33 m
+11708.0 / -2011.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
84
Arc length (days)
85.00
Time since last observation (days)
316.07
Spectroscopy Details
Known Taxonomies
None
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