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Sky-Tonight.com / Comets / C/2023 T2 (Borisov)
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Observation details: comet C/2023 T2 (Borisov)

C/2023 T2 (Borisov)

Daily motion of C/2023 T2 (Borisov)


90004824 C/2023 T2 (Borisov) does not become observable from your location during the coming year.

C/2023 T2 (Borisov) visibility on 2026-08-18

90004824 C/2023 T2 (Borisov) Visible from sunset until early morning

C/2023 T2 (Borisov) rise and set timetable

TimeElevation
Moonrise, 21% illuminated 09:49-40°
C/2023 T2 (Borisov) rise13:10
Sunset17:5540°
Civil sunset18:2441°
C/2023 T2 (Borisov) transit18:3341°
Twilight start18:5740°
Astronomical observing session begins19:3239°
Moonset20:2634°
C/2023 T2 (Borisov) set23:55
Astronomical observing session ends02:51-35°

Track C/2023 T2 (Borisov) Position Throughout the Night

← 18 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe C/2023 T2 (Borisov) changing position in the night sky.

C/2023 T2 (Borisov) Description

This comet is designated 90004824 C/2023 T2 (Borisov), Jupiter-family comet. C/2023 T2 (Borisov) completes an orbit around the Sun in 3520.4 years. It is currently 5.577 AU (834,235,518 km) from Earth, and is located in the constellation Ophiuchus.

Current position in the Solar System: C/2023 T2 (Borisov)

Earth C/2023 T2 (Borisov)
DateTue, 18 August 2026
Distance from Earth5.58515 AU (835,526,548km)
Elongation112°
Angular diameter"
Magnitude19.4
This interactive projection shows the object, Earth and the Sun in the Solar System. Slide it left or right to change the date and follow their orbital motion.

Finder Chart for C/2023 T2 (Borisov)

Double-click to unlock the map.
Object nameC/2023 T2 (Borisov)
Field of view
Limiting magnitude
C/2023 T2 (Borisov) coordinates17.19177, -11.84281
Center coordinates17.19177, -11.84281

Annual motion of C/2023 T2 (Borisov)

Time
DateTue, 18 August 2026
Twilight start19:28
Twilight end02:44
Twilight duration7h 17m
Rise13:07
Set23:51
Elevation at transit41°
Transit time18:29
Equatorial coordinatesRA: 17h 11m 33s", Dec: -11° 50' 25s
Magnitude19
ConstellationOphiuchus
The graph summarizes the object’s annual visibility, daily observing windows and transit times.
The vertical axis shows time of day and the horizontal axis shows the days of the year.
The shaded area marks when the object is above the horizon; the white line marks daily transit. You can also view the detailed annual visibility table.

Astrometric and Physical Parameters of 90004824 C/2023 T2 (Borisov)

Coordinates and Visibility

Right Ascension17.19177°
Declination-11.84281°
Magnitude19.4
ConstellationOphiuchus
Elevation-57.5°
Azimuth44.2°

Acknowledgments

Orbital and small-body data are provided by NASA Jet Propulsion Laboratory (JPL) Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). These resources support accurate positions, orbits and physical characteristics.