C/1995 O1 (Hale-Bopp) (Record n° 31900)
Perihelion distance : 0.93 AU
Inclination to ecliptic : 90 °
Orbital period : 2408 years
Eccentricity : 0.99
NASA/JPL elements
IAU/MPC elements
On 2026 Sep 19 19h37 UT by Francois Kugel
(Copyright Francois Kugel)Magnitude (MPC m2) 17.7 Aperture radius for m2 6.3 " Magnitude band Vj r (dist/Sun) 51.121 AU d (dist/Earth) 51.011 AU Right ascension 241.04923 ° Declination +56.49304 ° ADES report
# version=2022
# observatory
! mpcCode A77
# submitter
! name F. Kugel
# observers
! name F.Kugel
# measurers
! name F. Kugel
# telescope
! design reflector
! aperture 0.40
! fRatio 2.8
! detector CMO
# software
! astrometry Tycho 13.7
! photometry Tycho 13.7
permID |provID |trkSub |mode|stn |obsTime |ra |dec |rmsRA|rmsDec|rmsFit|astCat |mag |rmsMag|band|photCat |photAp|logSNR|exp |notes|remarks
| | C46K1R1| CMO|A77 |2026-09-19T19:36:40Z |241.04923 |+56.49304 |0.88 |0.89 |1.25 | ATLAS2|17.8 |0.08 | Vj| ATLAS2| 6.3 |1.22 | 600| K|
| | C46K1R1| CMO|A77 |2026-09-19T19:47:56Z |241.05285 |+56.48044 |0.81 |0.84 |1.16 | ATLAS2|17.6 |0.10 | Vj| ATLAS2| 6.3 |1.26 | 600| K|
| | C46K1R1| CMO|A77 |2026-09-19T19:59:12Z |241.05575 |+56.46774 |0.74 |0.77 |1.07 | ATLAS2|17.6 |0.10 | Vj| ATLAS2| 6.3 |1.26 | 600| K|Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter None Camera IMX492 Sensor CMOS Binning 2x2 Mount Meade MCMT-TDM Exposure details 60x30s Observatory MPC code A77 Reference stars catalog (ast) ATLAS2 Reference stars catalog (phot) ATLAS2 Resulting picture sampling (scale) 0.85 "/pix Observation submission date 2026 Sep 19 21h50m24s Observation modification date 2026 Sep 19 21h52m59s