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v. 3.17.1
C/1921 E1
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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)
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Last Update: 2026-May-22 15:43
Orbital Elements
MPC Comet
Epoch of elements (MJD)
22789.0
April 10, 1921
Orbital inclination in deg
132.1887837042348
Longitude of Ascending Node (deg)
269.4412032265895
Arg of perihelion (deg)
64.4930538932303
Eccentricity
1.000575704857689
Perihelion distance (AU)
1.0084536
Epoch of perihelion
May 10, 1921, 10:47 a.m.
Epoch of perihelion (MJD)
22819.44987
Total Magnitude (M1)
None
Slope Parameter (k1)
Physical Parameters
Follow-up Details
Number of observations
20
Arc length (days)
51.00
Spectroscopy Details
Known Taxonomies
None
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