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Asteroid Near-Earth

2013 TN127

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(2013 TN127)

Where is it now

Distance from Sun
0.866 AU
True anomaly
315.65°
Distance from Earth
1.678 AU
As of
21 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 2013 TN127 — 0.866 AU from the Sun 2013 TN127
Seen from above the ecliptic, north up, to scale. Grid: Earth's orbit in blue. 2013 TN127 is 1.678 AU from Earth today (14.0 light-minutes).

In the sky

Right ascension
12h 15m 02s
Declination
-06° 31′ 47″
Constellation
Virgo
Distance from Earth
1.68 AU
Elongation from the Sun
23.66° — 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
0.935 AU
Eccentricity
0.0968
Inclination
13.46°
Orbital period
330.2 days
Perihelion
0.844 AU
Aphelion
1.025 AU
Longitude of ascending node
198.74°
Argument of periapsis
2.29°
Epoch · J2000
2461200.5
Orbit class · ATE
Aten
Earth MOID · 10.3 LD
0.0266 AU
Tisserand (Jupiter)
6.386

Orbit quality

Orbit reasonably well determined (uncertainty code 5).

Observations used
31
Data arc
3 days
First observed
11 October 2013
Last observed
14 October 2013
Residual RMS
0.51 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
26.2

Discovery & classification

Aten Near-Earth Object

Close approaches 75 on record

Flyby geometry
Ecliptic flyby of 2013 TN127 at 2031-10-01 02:41 UTC Top-down view of the ecliptic, Earth at the centre, for the 2031-10-01 02:41 UTC close approach of 2013 TN127. Catalogue miss distance 181.6 LD · 6.98 × 10⁷ km. The curve is the geocentric path from 2031-09-28 to 2031-10-04, 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 approximate: a two-body Kepler propagation of the catalogue orbital elements, not a numerical integration. The Moon’s position is approximate. The inset is a heliocentric view and is approximate. approximate Sun 181.6 LD · 6.98 × 10⁷ km 2031-10-01 02:41 UTC Earth Moon Heliocentric, approximate

Top-down view of the ecliptic, Earth at the centre, for the 2031-10-01 02:41 UTC close approach of 2013 TN127. Catalogue miss distance 181.6 LD · 6.98 × 10⁷ km. The curve is the geocentric path from 2031-09-28 to 2031-10-04, 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 approximate: a two-body Kepler propagation of the catalogue orbital elements, not a numerical integration. The Moon’s position is approximate. The inset is a heliocentric view and is approximate.

When (UTC) Body Distance Lunar distances Relative speed
2031-05-29 15:23:00 Venus 0.1434 AU 55.8 LD 9.5 km/s
2031-10-01 02:41:00 Earth 0.4667 AU 181.6 LD 16.9 km/s
2032-05-31 22:37:00 Earth 0.2328 AU 90.6 LD 7.3 km/s
2032-10-17 01:25:00 Earth 0.0848 AU 33.0 LD 7.3 km/s
2033-02-03 21:05:00 Earth 0.2312 AU 90.0 LD 7 km/s
2041-10-05 05:56:00 Earth 0.1121 AU 43.6 LD 8.1 km/s
2042-03-22 07:49:00 Earth 0.1627 AU 63.3 LD 8.5 km/s
2042-11-04 14:52:00 Earth 0.4308 AU 167.7 LD 14.9 km/s
2046-10-22 01:05:00 Venus 0.1283 AU 49.9 LD 9.4 km/s
2050-09-30 08:01:00 Earth 0.333 AU 129.6 LD 13.1 km/s

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

Sources