SpaceAtlas Space Object Data
NASA JPL SBDB · 2017 GT5

2017 GT5

2017 GT5 is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.962 AU and a period of 0.94 yr.

Aten Observations: 205
Orbital Period · P
0.94 yr
v(q)
38.3 km/s
v(Q)
24.1 km/s
Diameter · ≈
0.2 km
TJ
6.19
Eccentricity · e
0.2289

Orbit and dynamics

Between its closest point (0.742 AU) and its farthest (1.182 AU), the heliocentric distance changes by 0.44 AU over every revolution.

One full revolution takes 0.94 yr (345 days), computed from the semi-major axis of 0.962 AU.

An eccentricity of 0.229 makes the orbit moderately elongated.

A steep inclination of 21.7° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 38.3 km/s at perihelion and falls to 24.1 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 = 21.3 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.2 km.

Observation record and orbit quality

Astrometry from 205 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4451 arcseconds.

Condition code U = 1 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
0.9619 AU
Eccentricity
0.2289
Perihelion
0.742 AU
Aphelion
1.182079 AU
Inclination
21.7°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
30.3°

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
2032-Apr-02 08:00 0.463196 AU
69293082 km
20.71 km/s
2033-Apr-01 16:39 0.191700 AU
28677851 km
13.36 km/s
2033-Dec-04 00:41 0.341041 AU
51019029 km
13.63 km/s
2034-Apr-18 14:03 0.177497 AU
26553229 km
11.37 km/s
2034-Oct-20 05:51 0.240518 AU
35980960 km
14.81 km/s
2035-May-17 22:42 0.340199 AU
50893012 km
11.52 km/s
2035-Sep-09 06:31 0.292675 AU
43783604 km
14.63 km/s
2036-Jul-22 04:14 0.472989 AU
70758178 km
16.48 km/s
2049-Apr-01 04:57 0.402803 AU
60258481 km
18.96 km/s
2050-Apr-03 18:49 0.158043 AU
23642942 km
12.55 km/s
2050-Nov-25 08:10 0.320195 AU
47900495 km
14.22 km/s
2051-Apr-22 22:10 0.205091 AU
30681126 km
11.37 km/s
2051-Oct-14 00:52 0.235481 AU
35227446 km
14.77 km/s
2052-May-24 03:05 0.364146 AU
54475457 km
11.45 km/s
2052-Sep-01 18:14 0.315046 AU
47130179 km
14.67 km/s
2066-Apr-01 00:40 0.372546 AU
55732153 km
18.11 km/s
2067-Apr-05 09:32 0.144853 AU
21669703 km
12.21 km/s
2067-Nov-20 18:42 0.307921 AU
46064301 km
14.44 km/s
2068-Apr-24 20:25 0.221878 AU
33192540 km
11.40 km/s
2068-Oct-09 04:23 0.234920 AU
35143594 km
14.74 km/s
2069-May-29 19:16 0.379216 AU
56729879 km
11.32 km/s
2069-Aug-28 08:17 0.331472 AU
49587531 km
14.72 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
21.3

Orbit Quality

RMS
0.44507
Condition
1
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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