Key Facts

Overview

2021 GM1 is a small asteroid orbiting the sun inside the belt of the inner planets. NASA JPL does not treat 2021 GM1 as potentially hazardous, because its orbit never carries it near Earth.

One lap around the sun takes 2021 GM1 353 days (0.97 years). Over that circuit it swings between 0.95 AU and 1 AU from the sun, travelling at an average of 30.14 km/s. At 0.0 kilometers across, 2021 GM1 is roughly the size of a school bus or smaller.

Close Approaches

The orbit of 2021 GM1 stays well clear of Earth's. Its predicted passes are listed below.

These 13 passes come from orbital simulations run by NASA JPL's CNEOS.

Date Distance from Earth (km) Velocity (km/s)
May 9, 2020271,4111.808
April 2, 2021406,3701.518
May 1, 202226,595,7075.763
Feb. 20, 205021,520,0444.795
Nov. 15, 20505,637,9120.862
April 16, 20513,952,3461.364
Nov. 18, 20698,330,8431.176
April 20, 20708,941,9562.377
April 18, 208710,197,3402.664
April 19, 210325,782,6215.838
Feb. 21, 211810,166,0892.739
Feb. 21, 212200.0004398
Feb. 22, 212100.0004395

Images and Observations

The orbit of 2021 GM1 is pinned down by sightings going back to May 26, 2020, the most recent officially logged on May 5, 2021. The IAU Minor Planet Center holds 113 observations behind that solution.

Accessibility and Exploration

The NHATS study counts 2021 GM1 among the objects a crewed mission could reach.

Similar Objects

These objects follow orbits with much the same shape and tilt as 2021 GM1:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 0.9781 AU
  • Eccentricity: 0.0255
  • Inclination: 1.18°
  • Longitude of Ascending Node: 176.24°
  • Argument of Periapsis: 226.13°
  • Mean Anomaly: 337.79°

Physical Characteristics

  • Diameter: 0.00400 km
  • Magnitude: 30.4

Derived Characteristics

  • Orbit Period: 353 days (0.97 years)
  • Avg. Orbit Speed: 30.14 km/s
  • Aphelion Distance: 1 AU
  • Perihelion Distance: 0.95 AU

Map Comparison

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Orbit Simulation

Sky Map

A ◯ pink circle marks where 2021 GM1 sits. It may fall outside your current field of view — use the controls below to change the position, location and time.