Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.14.3
PANSTARRS (C/2021 A9)
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Name
P11bX5O → C/2021 A9
Type
Comet (Hyperbolic)
Status
Actively Following
Characterization Target
Source
LOOK Project
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
2021-01-26T05:50:00
2021-01-26T12:38:00
ELP
Req: 2366904
Measurements
Show Measurements
Plot Visibility
Last Update: 2024-May-10 17:30
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60400.0
March 31, 2024
Orbital inclination in deg
158.01283
Longitude of Ascending Node (deg)
314.83336
Arg of perihelion (deg)
211.49008
Eccentricity
1.0011011
Perihelion distance (AU)
7.7601418
Epoch of perihelion
Dec. 2, 2023, 4:51 a.m.
Epoch of perihelion (MJD)
60280.20254
Total Magnitude (M1)
6.7
Slope Parameter (k1)
9.0
Physical Parameters
Reciprocal of semimajor axis
E2024-GJ3
0.000085 au
+/- 0.0000024
+/- 0.0000024
K1
autocmod 3.0f
45
9.0
M1
from 293 observations, assumed slope, autocmod 3.0f
45
6.7
+/- 0.7
Diameter
Initial Diameter Guess using H=11.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
21402.33 m
+58678.0 / -10077.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
373
Arc length (days)
1210.00
Time since last observation (days)
35.04
Spectroscopy Details
Known Taxonomies
None
×
No messages.