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Minor planet follow-up portal
v. 3.15.3
C/2025 F2
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Name
SWAN25F → C/2025 F2
Type
Comet
Status
Not Following
Source
Minor Planet Center
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
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Recent Blocks Scheduled
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Measurements
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Last Measurement: 2025-Apr-08 05:46
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60800.0
May 5, 2025
Orbital inclination in deg
90.37191
Longitude of Ascending Node (deg)
329.84363
Arg of perihelion (deg)
153.8502
Eccentricity
0.9999739
Perihelion distance (AU)
0.3334208
Epoch of perihelion
May 1, 2025, 3:49 a.m.
Epoch of perihelion (MJD)
60796.15920
Total Magnitude (M1)
10.3
Slope Parameter (k1)
10.0
Physical Parameters
Reciprocal of semimajor axis
E2025-GA2
0.000466 au
+/- 0.0000212
+/- 0.0000212
Diameter
Initial Diameter Guess using H=10.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
30935.77 m
+84815.0 / -14566.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
301
Arc length (days)
217.00
Time since last observation (days)
1.15
Spectroscopy Details
Known Taxonomies
None
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