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2026 TC2

Aten · NASA JPL Small-Body Database

25/100

Minor interest

Noteworthiness · not impact risk

Flarient Concern Assessment

A noteworthiness score based on closeness, size, velocity and observability. This is not an impact risk score — check NASA Sentry for impact probability.

Closest approach
7 Oct 2026
Distance
1058030 M km
Lunar distances
2.8 LD
Velocity
21.6 km/s

Physical Parameters

Absolute magnitude (H)
25.9
Estimated diameter
0.02 km
Diameter source
H-mag estimate
~24 m across

Orbit Uncertainty & Observations

Condition code (U)
8/9
Observations used
47
Data arc span
1 d
First observation
4 Oct 2026
Last observation
5 Oct 2026
RMS of fit
0.42″

Orbit has moderate uncertainty (U=8) — expect position errors of several arcminutes. Use Horizons for the latest ephemeris.

Orbital Elements

Semi-major axis
0.920 AU
Eccentricity
0.7000
Inclination
8.17°
Perihelion (q)
0.276 AU
Aphelion (Q)
1.560 AU
Orbital period
322.00 yr
Asc. node (Ω)
193.00°
Arg. perihelion (ω)
320.00°
Tisserand (Jup)
6.249

Full designation: (2026 TC2)

MOID (Earth): 0.000724 AU — inside PHA threshold

MOID (Jupiter): 3.460 AU

Risk Assessment

This object is small enough to burn up in Earth's atmosphere. No ground impact risk.

Close-Approach History

DateDistanceMin distVelocityH mag
7 Oct 20261058030 M km1053376 M km21.6 km/s25.884

Near-Earth objects are tracked continuously by NASA's Planetary Defense Coordination Office. Most pass safely; the distances shown here are in millions of kilometres and Lunar Distances (LD), where 1 LD ≈ 384,400 km — the average Earth–Moon distance.

7-Day Ephemeris

JPL Horizons

Daily positions from NASA JPL Horizons. Share location for altitude/azimuth.

Share location for altitude & observability

DateRADecMag
06 Oct00 49 33.00+11 54 04.817.6
07 Oct22 24 33.08-08 45 21.016.9
08 Oct17 04 35.32-30 18 52.620.8
09 Oct15 37 16.17-27 36 27.624.0
10 Oct15 09 48.38-25 58 39.126.0
11 Oct14 56 44.99-25 03 57.227.0
12 Oct14 49 07.19-24 29 20.828.0
13 Oct14 44 05.07-24 05 15.929.0

Angular rate: up to 11023 arcsec/min — very fast mover, use short exposures and track on the asteroid.

Ephemeris computed for 00:00 UT each day · 2026-10-06 to 2026-10-13