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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 01 03h14 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Magnitude (MPC m2)17.7
Aperture radius for m27.2 "
Magnitude bandr
r (dist/Sun) 3.804 AU
d (dist/Earth) 3.346 AU
Right ascension106.46195 °
Declination+5.74381 °
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  | ABC2021| CMO|Y87 |2026-11-01T03:14:10Z   |106.46195  |+5.74381   |0.28 |0.29  |0.41  |   UCAC4|17.7 |0.06  |  Sr|   UCAC4| 7.2  |1.33  |1020|    K|
       |C/2025 J1  | ABC2021| CMO|Y87 |2026-11-01T03:32:27Z   |106.45982  |+5.74039   |0.28 |0.29  |0.40  |   UCAC4|17.7 |0.12  |  Sr|   UCAC4| 7.2  |1.29  | 990|    K|
       |C/2025 J1  | ABC2021| CMO|Y87 |2026-11-01T03:50:28Z   |106.45771  |+5.73698   |0.30 |0.30  |0.43  |   UCAC4|17.7 |0.11  |  Sr|   UCAC4| 7.2  |1.27  | 990|    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 details100x30s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalog (ast)UCAC4
Reference stars catalog (phot)UCAC4
Used softwaresTycho Tracker
Image resize factor4
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2026 Nov 03 08h19m35s
Observation modification date2026 Nov 04 09h16m00s

(Record n° 32021)

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