Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1a
Borisov (C/2025 V1)
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Name
gb00810 → C/2025 V1
Type
Comet [Dynamically New]
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; (McDonald, Texas)
ELP 0.4m - V98; (TEMP; McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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-Feb-07 19:18
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
112.70875
Longitude of Ascending Node (deg)
91.88389
Arg of perihelion (deg)
47.5667
Eccentricity
1.0082486
Perihelion distance (AU)
0.4626509
Epoch of perihelion
Nov. 16, 2025, 12:57 p.m.
Epoch of perihelion (MJD)
60995.54024
Total Magnitude (M1)
15.2
Slope Parameter (k1)
4.5
Physical Parameters
Reciprocal of semimajor axis
E2026-A24
-0.016369 au
+/- 0.0026316
+/- 0.0026316
K1
autocmod 3.0g
4
4.5
M1
2 parameter fit from 91 observations, autocmod 3.0g
4
15.2
+/- 1.0
Diameter
Initial Diameter Guess using H=12.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
14140.38 m
+38768.0 / -6658.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
111
Arc length (days)
10.00
Time since last observation (days)
6.25
Spectroscopy Details
Known Taxonomies
None
×
No messages.