Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1
C/1987 A1
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Type
Comet (Hyperbolic)
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 17:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
46845.0
Feb. 19, 1987
Orbital inclination in deg
96.58291953229755
Longitude of Ascending Node (deg)
17.11664330229783
Arg of perihelion (deg)
95.24509406370815
Eccentricity
1.000394410239314
Perihelion distance (AU)
0.9214801
Epoch of perihelion
Dec. 17, 1986, 12:41 p.m.
Epoch of perihelion (MJD)
46781.52901
Total Magnitude (M1)
10.8
Slope Parameter (k1)
53.125
Physical Parameters
Follow-up Details
Number of observations
62
Arc length (days)
136.00
Spectroscopy Details
Known Taxonomies
None
×
No messages.