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Minor planet follow-up portal
v. 3.8.3
PANSTARRS (C/2021 B2)
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Schedule Spectroscopic Observations
Name
P11cite → C/2021 B2
Type
Comet
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)
------------ 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.)
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
2021-01-25T20:17:00
2021-01-26T20:17:00
SIN
Req: 2366903
2021-01-25T23:50:00
2021-01-26T23:50:00
SIN
Req: 2367020
Measurements
Show Measurements
Plot Visibility
Last Measurement: 2021-Jan-18 21:56
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
38.13856
Longitude of Ascending Node (deg)
120.43605
Arg of perihelion (deg)
334.8761
Eccentricity
0.9941096
Perihelion distance (AU)
2.5194660
Epoch of perihelion
May 4, 2021, 2:43 a.m.
Epoch of perihelion (MJD)
59338.11336
Total Magnitude (M1)
7.5
Slope Parameter (k1)
23.75
Physical Parameters
Reciprocal of semimajor axis
E2021-BC0
0.002688 au
+/- 0.0005683
+/- 0.0005683
K1
autocmod 2.8
1
23.75
M1
from 30 observations, assumed slope, autocmod 2.8
1
7.5
+/- 0.3
Diameter
Initial Diameter Guess using H=15.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
3551.9 m
+9738.0 / -1672.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
32
Arc length (days)
25.00
Time since last observation (days)
7.84
Spectroscopy Details
Known Taxonomies
None
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