Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1
C/1983 H1
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Type
Comet
Status
Not Following
Source
NEODSYS
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
No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2026-May-22 16:47
Orbital Elements
MPC Comet
Epoch of elements (MJD)
45467.0
May 13, 1983
Orbital inclination in deg
73.25137867780242
Longitude of Ascending Node (deg)
49.10245750540501
Arg of perihelion (deg)
192.8506889407098
Eccentricity
0.9898878208777039
Perihelion distance (AU)
0.9913410
Epoch of perihelion
May 21, 1983, 6:06 a.m.
Epoch of perihelion (MJD)
45475.25453
Total Magnitude (M1)
None
Slope Parameter (k1)
Physical Parameters
Follow-up Details
Number of observations
347
Arc length (days)
160.00
Spectroscopy Details
Known Taxonomies
None
×
No messages.