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C/2025 J1 (Borisov)

Perihelion distance : 3.58 AU
Inclination to ecliptic : 95 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2026 Nov 02 04h49 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Magnitude (MPC m2)17.3
Aperture radius for m27.2 "
Magnitude bandr
r (dist/Sun) 3.807 AU
d (dist/Earth) 3.334 AU
Right ascension106.28366 °
Declination+5.45809 °
ADES report
# version=2022
# observatory
! mpcCode Y87
# submitter
! name J.-G. Bosch
# observers
! name J.-G. Bosch
# measurers
! name J.-G. Bosch
# telescope
! design reflector
! aperture 0.25
! fRatio 4.75
! detector CMO
# software
! astrometry Tycho 13.6
! photometry Tycho 13.6
permID |provID     |trkSub  |mode|stn |obsTime                |ra         |dec        |rmsRA|rmsDec|rmsFit|astCat  |mag  |rmsMag|band|photCat |photAp|logSNR|exp |notes|remarks
       |C/2025 J1  | ABC2040| CMO|Y87 |2026-11-02T04:49:32Z   |106.28366  |+5.45809   |0.32 |0.33  |0.46  |   UCAC4|17.6 |0.07  |  Sr|   UCAC4| 7.2  |1.28  | 925|    K|
       |C/2025 J1  | ABC2040| CMO|Y87 |2026-11-02T05:07:34Z   |106.28166  |+5.45464   |0.23 |0.24  |0.33  |   UCAC4|16.5 |0.05  |  Sr|   UCAC4| 7.2  |1.66  | 925|    K|
       |C/2025 J1  | ABC2040| CMO|Y87 |2026-11-02T05:24:20Z   |106.27946  |+5.45156   |0.34 |0.34  |0.48  |   UCAC4|17.7 |0.08  |  Sr|   UCAC4| 7.2  |1.19  | 900|    K|
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Binning4x4
MountEQ6-R pro
Picture exposure details110x25s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalog (ast)UCAC4
Reference stars catalog (phot)UCAC4
Used softwaresTycho Tracker
Image resize factor2
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2026 Nov 03 08h18m07s
Observation modification date2026 Nov 04 09h11m49s

(Record n° 32015)

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