Skip to content
Public Universe
Asteroid Near-Earth

2023 EN

Add to an observing list or journal →

(2023 EN)

Where is it now

Distance from Sun
0.954 AU
True anomaly
114.7°
Distance from Earth
1.791 AU
As of
22 October 2026

Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.

Sun Earth — 0.995 AU from the Sun Earth 2023 EN — 0.954 AU from the Sun 2023 EN
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2023 EN is 1.791 AU from Earth today (14.9 light-minutes).

In the sky

Right ascension
12h 23m 34s
Declination
-03° 14′ 00″
Constellation
Virgo
Distance from Earth
1.79 AU
Elongation from the Sun
22.74° — near the Sun — look low at dusk or dawn

Visible from both hemispheres.

From your location

See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.

How do I find my coordinates?

Google Maps on a computer

  1. Right-click the spot where you'll be observing.
  2. The first line of the menu is the coordinates, e.g. 51.50722, -0.12758 — click it and they're copied.
  3. Paste them above.

Google Maps on a phone

  1. Press and hold the spot to drop a pin.
  2. The coordinates appear in the search bar (or on the pin's card) — tap to copy, then paste above.

A full Google Maps link works too, but the short maps.app.goo.gl share links don't carry coordinates — copy the numbers instead. We round to about a kilometre; that's all the sky calculation needs.

Know your what3words address? Paste it, e.g. ///filled.count.soap. This is optional — the three words are sent to what3words to convert them, and we don't store the address or the result.

Your location stays in your browser and is sent only for this calculation. Using a what3words address is optional; if you do, the three words go to what3words to be converted and we don't record them. Set a location first, then you can save an email alert for this object. See our privacy policy.

Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.

Orbital elements

Semi-major axis
0.939 AU
Eccentricity
0.3811
Inclination
12.47°
Orbital period
332.1 days
Perihelion
0.581 AU
Aphelion
1.296 AU
Longitude of ascending node
168.28°
Argument of periapsis
239.75°
Epoch · J2000
2461200.5
Orbit class · ATE
Aten
Earth MOID · 0.1 LD
0.0001 AU
Tisserand (Jupiter)
6.311

Orbit quality

Orbit poorly determined (uncertainty code 6).

Observations used
37
Data arc
11 days
First observed
9 March 2023
Last observed
20 March 2023
Residual RMS
0.27 ″
Solution · Otto Matic
17 April 2023

Visual & observation

Absolute magnitude (H)
28.09

Discovery & classification

Aten Near-Earth Object

Close approaches 67 on record

Flyby geometry
Ecliptic flyby of 2023 EN at 2033-03-09 08:44 UTC Top-down view of the ecliptic, Earth at the centre, for the 2033-03-09 08:44 UTC close approach of 2023 EN. Catalogue miss distance 7.50 LD · 2.88 × 10⁶ km. The curve is the geocentric path from 2033-03-06 to 2033-03-12, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate. Sun 7 Mar 11 Mar 7.50 LD · 2.88 × 10⁶ km 2033-03-09 08:44 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2033-03-09 08:44 UTC close approach of 2023 EN. Catalogue miss distance 7.50 LD · 2.88 × 10⁶ km. The curve is the geocentric path from 2033-03-06 to 2033-03-12, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate.

JPL Horizons

When (UTC) Body Distance Lunar distances Relative speed
2033-03-09 08:44:00 Earth 0.0193 AU 7.5 LD 13.1 km/s
2033-12-12 17:49:00 Earth 0.4123 AU 160.5 LD 13.7 km/s
2034-04-27 05:45:00 Earth 0.3494 AU 136.0 LD 9.6 km/s
2034-10-03 13:29:00 Venus 0.092 AU 35.8 LD 12.8 km/s
2034-10-09 17:31:00 Earth 0.3979 AU 154.9 LD 15.5 km/s
2035-07-23 10:31:00 Earth 0.1902 AU 74.0 LD 11.1 km/s
2036-07-22 23:40:00 Venus 0.1046 AU 40.7 LD 17.4 km/s
2043-03-14 15:57:00 Earth 0.1683 AU 65.5 LD 17.3 km/s
2044-04-08 02:38:00 Earth 0.3007 AU 117.0 LD 9.4 km/s
2044-10-26 12:36:00 Earth 0.4226 AU 164.5 LD 16.3 km/s

Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.

Sources