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Asteroid Near-Earth

2011 CE50

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(2011 CE50)

2011 CE50 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.82 AU to 1.2 AU from the Sun; one orbit takes 371 days. Orbit from the JPL solution of 27 June 2022.

Where is it now

Distance from Sun
0.887 AU
True anomaly
57.95°
Distance from Earth
0.866 AU
As of
3 November 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 — 0.992 AU from the Sun Earth 2011 CE50 — 0.887 AU from the Sun 2011 CE50
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2011 CE50 is 0.866 AU from Earth today (7.2 light-minutes).

In the sky

Right ascension
18h 35m 59s
Declination
-30° 37′ 55″
Constellation
Sagittarius
Distance from Earth
0.87 AU
Elongation from the Sun
56.59° — near the Sun — look low at dusk or dawn

Favours the southern hemisphere; low or below the horizon from far north.

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
1.011 AU
Eccentricity
0.1875
Inclination
14.88°
Orbital period
371 days
Perihelion
0.821 AU
Aphelion
1.2 AU
Longitude of ascending node
138.75°
Argument of periapsis
151.23°
Epoch · J2000
2461200.5
Orbit class · APO
Apollo
Earth MOID · 59.6 LD
0.1532 AU
Tisserand (Jupiter)
5.986

Orbit quality

Orbit very well determined (uncertainty code 1).

Observations used
73
Data arc
8.9 years
First observed
16 February 2010
Last observed
9 January 2019
Residual RMS
0.64 ″
Solution · Otto Matic
27 June 2022

Visual & observation

Absolute magnitude (H)
23.14

Discovery & classification

Apollo Near-Earth Object

Close approaches 111 on record

Flyby geometry
Ecliptic flyby of 2011 CE50 at 2070-03-07 19:20 UTC Sun 184.0 LD · 7.07 × 10⁷ km 2070-03-07 19:20 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2070-03-07 19:20 UTC close approach of 2011 CE50. Catalogue miss distance 184.0 LD · 7.07 × 10⁷ km. The curve is the geocentric path from 2070-03-04 to 2070-03-10, 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. At closest approach the object is north of the ecliptic. 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
2035-11-30 14:14:00 Venus 0.1195 AU 46.5 LD 8.8 km/s
2056-03-17 22:07:00 Venus 0.1409 AU 54.9 LD 9.5 km/s
2070-03-07 19:20:00 Earth 0.4728 AU 184.0 LD 19.9 km/s
2071-03-10 08:32:00 Earth 0.3873 AU 150.7 LD 17.1 km/s
2072-03-10 23:45:00 Earth 0.3063 AU 119.2 LD 14.5 km/s
2073-03-11 01:17:00 Earth 0.2349 AU 91.4 LD 12.2 km/s
2074-03-08 09:51:00 Earth 0.1812 AU 70.5 LD 10.3 km/s
2075-03-02 15:52:00 Earth 0.1555 AU 60.5 LD 9.2 km/s
2076-02-22 16:54:00 Earth 0.1592 AU 62.0 LD 8.9 km/s
2076-05-25 22:49:00 Earth 0.2775 AU 108.0 LD 6.9 km/s

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

Sources