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Minor planet follow-up portal
v. 3.17.1
220P/McNaught (220P/2009 H2)
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Characterization
LOOK Project
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Data
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Schedule Spectroscopic Observations
Type
Comet (Jupiter Family)
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,V45,V47; (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
2026-05-21T02:06:00
2026-05-21T03:06:00
SIN
Req: 4195611
2026-05-22T02:06:00
2026-05-22T03:06:00
SIN
Req: 4195612
2026-05-22T08:06:00
2026-05-22T09:06:00
SIN
Req: 4195613
Measurements
Show Measurements
Plot Visibility
Ingest Time: 2026-May-20 23:31
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
8.1206
Longitude of Ascending Node (deg)
150.08616
Arg of perihelion (deg)
180.57298
Eccentricity
0.500362
Perihelion distance (AU)
1.5591989
Epoch of perihelion
June 14, 2026, 3:17 a.m.
Epoch of perihelion (MJD)
61205.13690
Total Magnitude (M1)
15.5
Slope Parameter (k1)
11.25
Physical Parameters
PC
autocmod 3.0g
58
0.03
K2
autocmod 3.0g
58
5.0
M2
from 90 observations, autocmod 3.0g
58
17.9
+/- 0.5
K1
autocmod 3.0g
58
11.25
M1
2 parameter fit from 324 observations, autocmod 3.0g
58
15.5
+/- 0.7
Phase Slope
MPC Default
4.0
Follow-up Details
Number of observations
490
Arc length (days)
8016.00
Time since last observation (days)
19.98
Spectroscopy Details
Known Taxonomies
None
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