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Asteroid Near-Earth

2007 UT3

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(2007 UT3)

Where is it now

Distance from Sun
1.003 AU
True anomaly
207.81°
Distance from Earth
0.112 AU
As of
16 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 — 0.997 AU from the Sun Earth 2007 UT3 — 1.003 AU from the Sun 2007 UT3
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2007 UT3 is 0.112 AU from Earth today (55.7 light-seconds).

In the sky

Right ascension
07h 40m 43s
Declination
+17° 01′ 37″
Constellation
Gemini
Distance from Earth
0.11 AU
Elongation from the Sun
89.59° — well clear of the Sun

Favours the northern hemisphere; low or below the horizon from far south.

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
0.772 AU
Eccentricity
0.4002
Inclination
0.63°
Orbital period
247.6 days
Perihelion
0.463 AU
Aphelion
1.08 AU
Longitude of ascending node
160.88°
Argument of periapsis
21.06°
Epoch · J2000
2454394.5
Orbit class · ATE
Aten
Earth MOID · 0.4 LD
0.001 AU
Tisserand (Jupiter)
7.449

Orbit quality

Orbit very uncertain — the object may be effectively lost (uncertainty code 8).

Observations used
18
Data arc
4 days
First observed
19 October 2007
Last observed
23 October 2007
Residual RMS
0.53 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
25.9

Discovery & classification

Listed by JPL impact monitoring; see the Sentry table for current probabilities.

Aten Near-Earth Object

Close approaches 50 on record

Flyby geometry
Ecliptic flyby of 2007 UT3 at 2028-08-25 23:41 UTC Top-down view of the ecliptic, Earth at the centre, for the 2028-08-25 23:41 UTC close approach of 2007 UT3. Catalogue miss distance 17.3 LD · 6.67 × 10⁶ km. The curve is the geocentric path from 2028-08-22 to 2028-08-28, 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 23 Aug 17.3 LD · 6.67 × 10⁶ km 2028-08-25 23:41 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2028-08-25 23:41 UTC close approach of 2007 UT3. Catalogue miss distance 17.3 LD · 6.67 × 10⁶ km. The curve is the geocentric path from 2028-08-22 to 2028-08-28, 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
2027-11-11 05:39:00 Venus 0.036 AU 14.0 LD 13.2 km/s
2028-08-25 23:41:00 Earth 0.0446 AU 17.3 LD 10.5 km/s
2030-08-30 06:01:00 Earth 0.2653 AU 103.2 LD 17.8 km/s
2031-02-08 08:28:00 Earth 0.48 AU 186.8 LD 17.3 km/s
2032-09-07 11:24:00 Earth 0.4891 AU 190.4 LD 25.3 km/s
2045-08-26 05:22:00 Earth 0.0443 AU 17.2 LD 10.5 km/s
2047-08-30 19:41:00 Earth 0.2744 AU 106.8 LD 18.1 km/s
2052-02-14 06:43:00 Venus 0.072 AU 28.0 LD 10.9 km/s
2053-09-14 15:03:00 Venus 0.0429 AU 16.7 LD 15.9 km/s
2054-10-14 22:20:00 Earth 0.4779 AU 186.0 LD 24.8 km/s

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

Sources