Asteroid (NEO) 2016 DY21
Asteroid (NEO) 2016 DY21 is in the constellation of
Libra,
at a distance of
Finder Charts
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Also check out Where is Asteroid (NEO) 2016 DY21?, a page that provides all the information needed to find Asteroid (NEO) 2016 DY21 in the sky and additional links to sky charts.
Celestial Coordinates
Apparent
J2000
Additional Information
Rise and Set Times
Today's rise, transit and set times of Asteroid (NEO) 2016 DY21 from Greenwich, UK (all times relative to the local timezone Europe/London):
- 2016 DY21 is below the horizon from Greenwich, UK.
- Given its current magnitude, 2016 DY21 is visible only through long exposure photography.
- Go to interactive sky chart
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Distance from Earth
The distance of Asteroid (NEO) 2016 DY21 from Earth is currently
The following chart shows the distance of Asteroid (NEO) 2016 DY21 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
During the next 10 years, the closest approach of Asteroid (NEO) 2016 DY21 to Earth happens on Sat Feb 17 2035 at a distance of 0.010653 Astronomical Units, or 1,593,653 kilometers:
Light Curve
The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2016 DY21, 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 Asteroid (NEO) 2016 DY21 at epoch 04 May 2025 00:00 UTC (JD: 2460800.5). Source: JPL Small-Body Database
| Element | Symbol | Value |
|---|---|---|
| Orbit eccentricity | e | 0.42102143 |
| Orbit inclination | i | 6.49334941° |
| Perihelion distance | q | 0.74541803 AU 111,512,950 km |
| Aphelion distance | Q |
1.82952366 AU 273,692,844 km |
| Semi-major axis | a |
1.28747084 AU 192,602,897 km |
| Orbital period | period |
1.4609 years 533.5861 days |
| Date of perihelion transit | Tp | 2024-Oct-04 03:53:13 2,460,587.6620 JD |
| Next perihelion transit | 2026-Mar-21 17:57 2,461,121.2481 JD |
|
| Argument of perihelion | peri | 280.00021871955° |
| Longitude of the ascending node | node | 149.12942391363° |
| Mean anomaly | M | 143.59761187933° |
| Mean motion | n | 0.67468021°/day |
View Asteroid (NEO) 2016 DY21 in the 3D Solar System Simulator
15 Days Ephemeris
The following table lists the ephemerides of Asteroid (NEO) 2016 DY21 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 Jun 14 | 15h 05m 14s | -04° 05’ 09” | 27.97 | Libra |
| 2025 Jun 15 | 15h 04m 10s | -04° 07’ 08” | 28.01 | Libra |
| 2025 Jun 16 | 15h 03m 09s | -04° 09’ 20” | 28.04 | Libra |
| 2025 Jun 17 | 15h 02m 11s | -04° 11’ 49” | 28.07 | Libra |
| 2025 Jun 18 | 15h 01m 15s | -04° 14’ 32” | 28.10 | Libra |
| 2025 Jun 19 | 15h 00m 23s | -04° 17’ 31” | 28.14 | Libra |
| 2025 Jun 20 | 14h 59m 34s | -04° 20’ 43” | 28.17 | Libra |
| 2025 Jun 21 | 14h 58m 47s | -04° 24’ 08” | 28.20 | Libra |
| 2025 Jun 22 | 14h 58m 03s | -04° 27’ 48” | 28.23 | Libra |
| 2025 Jun 23 | 14h 57m 24s | -04° 31’ 41” | 28.26 | Libra |
| 2025 Jun 24 | 14h 56m 46s | -04° 35’ 47” | 28.29 | Libra |
| 2025 Jun 25 | 14h 56m 11s | -04° 40’ 05” | 28.32 | Libra |
| 2025 Jun 26 | 14h 55m 39s | -04° 44’ 36” | 28.36 | Libra |
| 2025 Jun 27 | 14h 55m 09s | -04° 49’ 18” | 28.39 | Libra |
Additional Resources on TheSkyLive
- Asteroid (NEO) 2016 DY21: Complete reference information on TheSkyLive.com.
- Where is Asteroid (NEO) 2016 DY21?: Key information on where to find Asteroid (NEO) 2016 DY21 in the sky.
- Distance from Earth: Find out how far Asteroid (NEO) 2016 DY21 is from Earth right now.
- How Bright is Asteroid (NEO) 2016 DY21?: Current visual brightness (magnitude) and apparent size.
- Rise and Set Times: Rise and set times of Asteroid (NEO) 2016 DY21 from your location.
- Interactive Sky Map: Planetarium-style interactive visualization of Asteroid (NEO) 2016 DY21's position in the sky.
- Ephemeris: 15 days Asteroid (NEO) 2016 DY21's computed ephemeris.
- Orbital elements: Information about Asteroid (NEO) 2016 DY21 orbital parameters.
- Orbit Visualization: 3D interactive visualization showing the orbit of Asteroid (NEO) 2016 DY21 with respect to the major Solar System objects.