SpaceAtlas Space Object Data
NASA JPL SBDB · 2023 PC

2023 PC

2023 PC is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.98 AU and a period of 0.97 yr.

Aten Observations: 57
Orbital Period · P
0.97 yr
v(q)
36.2 km/s
v(Q)
25 km/s
Diameter · ≈
0.04 km
TJ
6.16
Eccentricity · e
0.1825

Orbit and dynamics

Between its closest point (0.801 AU) and its farthest (1.159 AU), the heliocentric distance changes by 0.358 AU over every revolution.

One full revolution takes 0.97 yr (354 days), computed from the semi-major axis of 0.98 AU.

An eccentricity of 0.182 makes the orbit moderately elongated.

The orbital plane is tilted 5.55° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 36.2 km/s at perihelion and falls to 25 km/s at aphelion.

Because q < 1 AU and Q > 1 AU, this orbit geometrically intersects the region of Earth's orbit.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 24.55 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.04 km.

Observation record and orbit quality

Astrometry from 57 individual observations underpins this orbit; the fit leaves an RMS residual of 0.3922 arcseconds.

Condition code U = 4 indicates a moderately constrained orbit; predictions decades ahead still carry noticeable uncertainty.

About these computed values

Orbital periods, perihelion and aphelion speeds, and diameter estimates on this page are computed by SpaceAtlas from the JPL SBDB orbital elements. They are derived quantities, not values copied from the source catalogue.

Orbital Parameters

Semi-Major Axis
0.9799 AU
Eccentricity
0.1825
Perihelion
0.801 AU
Aphelion
1.158732 AU
Inclination
5.55°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
228.63°

Orbit diagram

The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.

3D orbit (interactive)

Drag to rotate; scroll or pinch to zoom. The Sun is at the focus (orange), Earth's orbit is the grey ring at 1 AU, and the red dot marks the object's current position.

Close approaches

Predicted close approaches to Earth, from NASA's Center for Near-Earth Object Studies (CNEOS).

Date (UTC)Miss distanceVelocity
2050-Apr-10 13:30 0.453480 AU
67839585 km
18.56 km/s
2051-Apr-01 11:27 0.275248 AU
41176576 km
13.10 km/s
2052-Mar-20 23:22 0.110357 AU
16509246 km
7.70 km/s
2053-Feb-16 00:52 0.113576 AU
16990756 km
4.63 km/s
2053-Dec-28 18:30 0.181807 AU
27197945 km
6.25 km/s
2054-Jun-13 07:05 0.162264 AU
24274375 km
4.69 km/s
2054-Nov-15 18:20 0.194614 AU
29113816 km
5.78 km/s
2055-Aug-02 09:56 0.084372 AU
12621868 km
4.27 km/s
2056-Aug-14 17:33 0.091513 AU
13690081 km
7.93 km/s
2057-Aug-08 17:41 0.269824 AU
40365104 km
13.17 km/s
2058-Aug-01 05:28 0.449920 AU
67307088 km
18.51 km/s

Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
24.55

Orbit Quality

RMS
0.39222
Condition
4
Orbit ID
—
Data source: NASA JPL Small-Body Database · NASA CNEOS. Orbital periods, perihelion and aphelion speeds, and diameter estimates on this page are computed by SpaceAtlas from the JPL SBDB orbital elements. They are derived quantities, not values copied from the source catalogue.

Keep exploring

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