SpaceAtlas Space Object Data
NASA JPL SBDB · 2023 YR

2023 YR

2023 YR is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.922 AU and a period of 0.89 yr.

Aten Observations: 76
Orbital Period · P
0.89 yr
v(q)
47.6 km/s
v(Q)
20.2 km/s
Diameter · ≈
0.04 km
TJ
6.41
Eccentricity · e
0.4051

Orbit and dynamics

The path is an ellipse reaching 0.549 AU from the Sun at perihelion and 1.296 AU at aphelion, a radial span of 0.747 AU.

Applying Kepler's third law to a = 0.922 AU gives an orbital period of 0.89 yr, or about 323 days.

The high eccentricity (0.405) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 5.72° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 47.6 km/s at perihelion and falls to 20.2 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 = 24.9 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.04 km.

Observation record and orbit quality

The current orbit solution is based on 76 observations and has a weighted RMS residual of 0.2846 arcseconds.

Condition code U = 6 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
0.9221 AU
Eccentricity
0.4051
Perihelion
0.549 AU
Aphelion
1.295643 AU
Inclination
5.72°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
192.48°

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
2029-Sep-10 23:42 0.100630 AU
15054014 km
13.62 km/s
2030-Jun-07 00:11 0.438057 AU
65532446 km
16.40 km/s
2030-Nov-14 21:15 0.309824 AU
46349059 km
9.96 km/s
2031-Mar-23 18:23 0.409617 AU
61277766 km
14.43 km/s
2031-Dec-27 21:28 0.168115 AU
25149717 km
18.05 km/s
2037-Sep-13 17:21 0.165977 AU
24829852 km
8.53 km/s
2038-May-16 09:56 0.461208 AU
68995744 km
18.11 km/s
2038-Dec-07 22:34 0.244007 AU
36502924 km
9.27 km/s
2039-Feb-18 08:09 0.316175 AU
47299140 km
8.09 km/s
2039-Dec-19 09:14 0.382450 AU
57213648 km
24.79 km/s
2044-Sep-21 03:55 0.322559 AU
48254138 km
21.89 km/s
2045-Jul-11 03:02 0.359186 AU
53733521 km
11.21 km/s
2045-Oct-17 01:51 0.292429 AU
43746708 km
9.45 km/s
2046-Apr-22 05:16 0.457602 AU
68456218 km
17.85 km/s
2047-Jan-01 18:01 0.074103 AU
11085604 km
10.36 km/s
2052-Sep-12 21:18 0.121234 AU
18136374 km
15.52 km/s
2053-Jun-14 02:20 0.417421 AU
62445303 km
15.49 km/s
2053-Nov-07 23:02 0.315706 AU
47228884 km
10.00 km/s
2054-Mar-31 07:09 0.421994 AU
63129461 km
15.61 km/s
2054-Dec-29 22:52 0.074631 AU
11164702 km
16.02 km/s
2060-Sep-09 00:58 0.091906 AU
13748940 km
10.10 km/s
2061-May-24 10:11 0.447123 AU
66888585 km
17.65 km/s
2061-Nov-28 02:47 0.258182 AU
38623513 km
9.64 km/s
2062-Dec-22 23:15 0.231388 AU
34615143 km
21.97 km/s
2067-Sep-27 10:59 0.411354 AU
61537690 km
25.99 km/s
2068-Sep-27 07:48 0.216145 AU
32334816 km
8.55 km/s
2069-May-07 16:51 0.462777 AU
69230509 km
18.29 km/s
2069-Dec-17 11:15 0.198986 AU
29767927 km
8.92 km/s
2070-Dec-16 13:21 0.447966 AU
67014734 km
26.81 km/s
2075-Sep-19 20:27 0.246915 AU
36937899 km
20.22 km/s
2076-Jul-03 00:17 0.369844 AU
55327912 km
12.59 km/s
2076-Oct-23 05:09 0.300410 AU
44940630 km
9.70 km/s
2077-Apr-16 12:05 0.447787 AU
66987928 km
17.44 km/s
2078-Jan-02 01:17 0.006773 AU
1013270 km
11.76 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
24.9

Orbit Quality

RMS
0.2846
Condition
6
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

Explore asteroids, comets and near-Earth objects with JPL orbital data.