SpaceAtlas Space Object Data
NASA JPL SBDB · 2006 XP4

2006 XP4

2006 XP4 is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.872 AU and a period of 0.81 yr.

Aten Observations: 152
Orbital Period · P
0.81 yr
v(q)
39.7 km/s
v(Q)
25.7 km/s
Diameter · ≈
0.06 km
TJ
6.77
Eccentricity · e
0.2143

Orbit and dynamics

Between its closest point (0.685 AU) and its farthest (1.059 AU), the heliocentric distance changes by 0.374 AU over every revolution.

One full revolution takes 0.81 yr (298 days), computed from the semi-major axis of 0.872 AU.

An eccentricity of 0.214 makes the orbit moderately elongated.

Its inclination of 0.52° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 39.7 km/s at perihelion and falls to 25.7 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 = 23.9 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.06 km.

Observation record and orbit quality

Astrometry from 152 individual observations underpins this orbit; the fit leaves an RMS residual of 0.6238 arcseconds.

Condition code U = 0 means the orbit is very well determined, leaving only a small uncertainty in the future ephemeris.

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
0.8724 AU
Eccentricity
0.2143
Perihelion
0.685 AU
Aphelion
1.059355 AU
Inclination
0.52°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
123.3°

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
2028-Dec-12 23:47 0.065875 AU
9854815 km
4.57 km/s
2029-Apr-06 08:02 0.214393 AU
32072706 km
4.14 km/s
2032-Nov-24 20:15 0.344535 AU
51541673 km
16.73 km/s
2033-Jun-22 11:20 0.329679 AU
49319328 km
10.26 km/s
2034-Feb-01 00:40 0.482150 AU
72128624 km
21.17 km/s
2037-Aug-27 00:15 0.276602 AU
41379138 km
7.48 km/s
2038-Feb-13 21:38 0.042258 AU
6321726 km
7.06 km/s
2041-Nov-17 22:00 0.061668 AU
9225424 km
7.67 km/s
2042-May-11 06:21 0.282953 AU
42329163 km
7.81 km/s
2046-Jul-15 11:20 0.328732 AU
49177599 km
10.23 km/s
2047-Feb-08 00:11 0.320718 AU
47978668 km
16.00 km/s
2051-Jan-03 18:42 0.076276 AU
11410664 km
4.66 km/s
2054-Nov-23 05:59 0.290001 AU
43383461 km
15.00 km/s
2055-Jun-15 11:17 0.326243 AU
48805229 km
10.09 km/s
2059-Aug-18 18:13 0.292062 AU
43691800 km
8.27 km/s
2060-Feb-14 11:27 0.091799 AU
13732939 km
8.66 km/s
2063-Nov-18 11:34 0.035803 AU
5356033 km
6.86 km/s
2064-May-06 22:05 0.274802 AU
41109807 km
7.42 km/s
2068-Jul-17 03:52 0.326474 AU
48839809 km
10.12 km/s
2069-Feb-08 08:06 0.302554 AU
45261457 km
15.41 km/s
2072-Dec-21 15:01 0.073994 AU
11069363 km
4.62 km/s
2073-Mar-28 05:27 0.199156 AU
29793341 km
2.94 km/s
2076-Nov-25 13:58 0.366638 AU
54848190 km
17.48 km/s
2077-Jun-27 02:35 0.330016 AU
49369648 km
10.31 km/s
2078-Feb-03 06:07 0.442736 AU
66232339 km
19.94 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
23.9

Orbit Quality

RMS
0.62377
Condition
0
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.

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