Comet C/1969 Y1 (Bennett)
Comet C/1969 Y1 (Bennett) is in the constellation of
Triangulum,
at a distance of
Finder Charts
View interactive star map
High precision deep sky finder chart, 60 arcmin wide, showing where Comet C/1969 Y1 (Bennett) is right now. Click on the image to see a more detailed fullscreen tracker view.
Also check out Where is Comet C/1969 Y1 (Bennett)?, a page that provides all the information needed to find Comet C/1969 Y1 (Bennett) in the sky and additional links to sky charts.
Celestial Coordinates
Apparent
J2000
Additional Information
The observed values of Magnitude, Coma Diameter and Tail Length are derived from the most recent observation recorded at the Comet Observers Database. The value of Predicted Magnitude comes from the JPL Horizons ephemerides service and, in the case of comets, might be inaccurate given the highly dynamic and unpredictable behavior of these objects. When available, please refer to the Observed Magnitude value and consider the Predicted Magnitude as a directional indication. We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this table to report recent comet observations.
Rise and Set Times
Today's rise, transit and set times of Comet C/1969 Y1 (Bennett) from Greenwich, UK (all times relative to the local timezone Europe/London):
- C/1969 Y1 (Bennett) is above the horizon from Greenwich, UK.
- Right now it is placed in the North-West direction at an altitude of 3.35° above the horizon.
- Given its current magnitude, C/1969 Y1 (Bennett) is visible only through long exposure photography.
- Go to interactive sky chart
If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.
Distance from Earth
The distance of Comet C/1969 Y1 (Bennett) from Earth is currently
The following chart shows the distance of Comet C/1969 Y1 (Bennett) from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.
The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of C/1969 Y1 (Bennett) from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest Approach
Between 1 January 2013 and 30 December 2100, the closest approach of Comet C/1969 Y1 (Bennett) to Earth happens on Tue Jan 1 2013 at a distance of 64.293743 Astronomical Units, or 9,618,207,097 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.
Light Curve
The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/1969 Y1 (Bennett), according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.
Orbital Elements
The following table lists the orbital elements of Comet C/1969 Y1 (Bennett) at epoch 11 April 1970 00:00 UTC (JD: 2440688.5). Source: JPL Small-Body Database
| Element | Symbol | Value |
|---|---|---|
| Orbit eccentricity | e | 0.99629328 |
| Orbit inclination | i | 90.03981105° |
| Perihelion distance | q | 0.53762015 AU 80,426,829 km |
| Aphelion distance | Q |
289.54104044 AU 43,314,723,218 km |
| Semi-major axis | a |
145.03933030 AU 21,697,575,023 km |
| Orbital period | period |
1,746.7747 years 638,009.4414 days |
| Date of perihelion transit | Tp | 1970-Mar-20 01:05:24 2,440,665.5454 JD |
| Next perihelion transit | 3717-Jan-09 11:40 3,078,674.9868 JD |
|
| Argument of perihelion | peri | 354.14908861746° |
| Longitude of the ascending node | node | 224.65768316335° |
| Mean anomaly | M | 0.012952234215761° |
| Mean motion | n | 0.00056425°/day |
Orbit Visualization
View Comet C/1969 Y1 (Bennett) in the 3D Solar System Simulator
15 Days Ephemeris
The following table lists the ephemerides of Comet C/1969 Y1 (Bennett) computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.
| Date | Right AscensionR.A. | DeclinationDec. | MagnitudeMag | Constellation |
|---|---|---|---|---|
| 2025 Apr 05 | 02h 30m 12s | +29° 30’ 59” | 36.60 | Triangulum |
| 2025 Apr 06 | 02h 30m 15s | +29° 31’ 06” | 36.60 | Triangulum |
| 2025 Apr 07 | 02h 30m 19s | +29° 31’ 14” | 36.60 | Triangulum |
| 2025 Apr 08 | 02h 30m 22s | +29° 31’ 22” | 36.60 | Triangulum |
| 2025 Apr 09 | 02h 30m 25s | +29° 31’ 30” | 36.60 | Triangulum |
| 2025 Apr 10 | 02h 30m 28s | +29° 31’ 38” | 36.60 | Triangulum |
| 2025 Apr 11 | 02h 30m 31s | +29° 31’ 47” | 36.60 | Triangulum |
| 2025 Apr 12 | 02h 30m 34s | +29° 31’ 56” | 36.60 | Triangulum |
| 2025 Apr 13 | 02h 30m 37s | +29° 32’ 05” | 36.60 | Triangulum |
| 2025 Apr 14 | 02h 30m 41s | +29° 32’ 14” | 36.60 | Triangulum |
| 2025 Apr 15 | 02h 30m 44s | +29° 32’ 23” | 36.60 | Triangulum |
| 2025 Apr 16 | 02h 30m 47s | +29° 32’ 33” | 36.60 | Triangulum |
| 2025 Apr 17 | 02h 30m 50s | +29° 32’ 43” | 36.60 | Triangulum |
| 2025 Apr 18 | 02h 30m 54s | +29° 32’ 54” | 36.60 | Triangulum |
Additional Resources
- Position and finder charts (see also Where is Comet C/1969 Y1 (Bennett)?)
- Distance from Earth (see also How far is Comet C/1969 Y1 (Bennett) from Earth?)
- When does Comet C/1969 Y1 (Bennett) rise and set?
- Brightness (see also How bright is Comet C/1969 Y1 (Bennett)?)
- Orbital elements. Detailed information about Comet C/1969 Y1 (Bennett) orbital parameters.
- Interactive orbit visualization. 3d visualization showing the orbit of Comet C/1969 Y1 (Bennett) with respect to the major Solar System objects.
- 15 days ephemerides. Table showing celestial coordinates and magnitude of Comet C/1969 Y1 (Bennett) for the past and next 7 days.
- Interactive sky chart. An online planetarium application that shows where to locate Comet C/1969 Y1 (Bennett) in the sky from your location.
- Live position tracker. A high precision sky chart that uses real deep sky imagery to help locate Comet C/1969 Y1 (Bennett) with your telescope or on your astrophotographies.