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Asteroid (NEO) 2021 PJ1 Ephemeris Calculator
Compute the position of Asteroid (NEO) 2021 PJ1 for any date and time between 1 January 2013 and 30 December 2100 and display the results on an interactive star map.
In Evidence
Asteroid (NEO) 2021 PJ1
Asteroid (NEO) 2021 PJ1 is currently in the constellation of Scorpius.
The current Right Ascension of Asteroid (NEO) 2021 PJ1 is 16h 00m 26s and the Declination is -20° 34’ 13” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom ). The current magnitude of Asteroid (NEO) 2021 PJ1 is 29.15 (JPL).
Today's rise, transit and set times of Asteroid (NEO) 2021 PJ1 from Greenwich, United Kingdom (all times relative to the local timezone Europe/London):
- 2021 PJ1 is above the horizon from Greenwich, United Kingdom .
- Right now it is placed in the South-West direction at an altitude of 11° above the horizon.
- Given its current magnitude, 2021 PJ1 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.
Asteroid (NEO) 2021 PJ1 Position and Finder Charts
Below we provide Asteroid (NEO) 2021 PJ1 finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.
Field of view: 50x30 degrees
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Field of view: 10x6 degrees
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Also check out Where is Asteroid (NEO) 2021 PJ1?, a page that provides all the information needed to find Asteroid (NEO) 2021 PJ1 in the sky and additional links to sky charts.
Asteroid (NEO) 2021 PJ1 Distance from Earth
The distance of Asteroid (NEO) 2021 PJ1 from Earth is currently 384,628,481 kilometers, equivalent to 2.571083 Astronomical Units. Light takes 21 minutes and 22.9825 seconds to travel from Asteroid (NEO) 2021 PJ1 and arrive to us.
The following chart shows the distance of Asteroid (NEO) 2021 PJ1 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.
Closest Approach of Asteroid (NEO) 2021 PJ1 to Earth
During the next 10 years, the closest approach of Asteroid (NEO) 2021 PJ1 to Earth happens on Fri Aug 15 2025 at a distance of 0.011195 Astronomical Units, or 1,674,743 kilometers:
Asteroid (NEO) 2021 PJ1 Brightness and Light Curve
The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2021 PJ1, 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.
Asteroid (NEO) 2021 PJ1 Orbital Elements
The following table lists the orbital elements of Asteroid (NEO) 2021 PJ1 at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database
| Element | Symbol | Value |
|---|---|---|
| Orbit eccentricity | e | 0.34309170 |
| Orbit inclination | i | 0.37004484° |
| Perihelion distance | q | 0.79578291 AU 119,047,430 km |
| Aphelion distance | Q |
1.62702985 AU 243,400,202 km |
| Semi-major axis | a |
1.21140638 AU 181,223,816 km |
| Orbital period | period |
1.3333 years 487.0048 days |
| Date of perihelion transit | Tp | 2023-Feb-12 20:29:28 2,459,988.3538 JD |
| Next perihelion transit | 2024-Jun-13 20:36 2,460,475.3586 JD |
|
| Argument of perihelion | peri | 169.55011892551° |
| Longitude of the ascending node | node | 232.72692763681° |
| Mean anomaly | M | 8.9786198257274° |
| Mean motion | n | 0.73921248°/day |
Visualization of Asteroid (NEO) 2021 PJ1 Orbit
This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2021 PJ1 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2021 PJ1 and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!
View Asteroid (NEO) 2021 PJ1 in the 3D Solar System Simulator
Asteroid (NEO) 2021 PJ1 15 Days Ephemeris
The following table lists the ephemerides of Asteroid (NEO) 2021 PJ1 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2021 PJ1 in our Online Planetarium at the chosen date.
| Date | Right AscensionR.A. | DeclinationDec. | MagnitudeMag | Constellation |
|---|---|---|---|---|
| 2023 Nov 21 | 15h 40m 23s | -19° 33’ 20” | 29.02 | Libra |
| 2023 Nov 22 | 15h 43m 00s | -19° 41’ 48” | 29.04 | Libra |
| 2023 Nov 23 | 15h 45m 38s | -19° 50’ 08” | 29.06 | Libra |
| 2023 Nov 24 | 15h 48m 15s | -19° 58’ 19” | 29.08 | Libra |
| 2023 Nov 25 | 15h 50m 53s | -20° 06’ 24” | 29.10 | Libra |
| 2023 Nov 26 | 15h 53m 33s | -20° 14’ 20” | 29.11 | Libra |
| 2023 Nov 27 | 15h 56m 12s | -20° 22’ 06” | 29.13 | Scorpius |
| 2023 Nov 28 | 15h 58m 53s | -20° 29’ 45” | 29.14 | Scorpius |
| 2023 Nov 29 | 16h 01m 32s | -20° 37’ 17” | 29.15 | Scorpius |
| 2023 Nov 30 | 16h 04m 14s | -20° 44’ 39” | 29.16 | Scorpius |
| 2023 Dec 01 | 16h 06m 55s | -20° 51’ 51” | 29.17 | Scorpius |
| 2023 Dec 02 | 16h 09m 37s | -20° 58’ 55” | 29.18 | Scorpius |
| 2023 Dec 03 | 16h 12m 20s | -21° 05’ 52” | 29.19 | Scorpius |
| 2023 Dec 04 | 16h 15m 02s | -21° 12’ 38” | 29.20 | Scorpius |