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The asteroid made a close approach of 828,800 kilometres (515,000 miles; 2.156 lunar distances) to Earth on 25 December 2024 (two days before its discovery) and is now moving away. Its next close approach is around 17 December 2028. [3] From early April 2025 until June 2028, 2024 YR 4 will be too distant for ground-based telescopes to observe.
The average distance between Neptune and the Sun is 4.5 billion km (about 30.1 astronomical units (AU), the mean distance from the Earth to the Sun), and it completes an orbit on average every 164.79 years, subject to a variability of around ±0.1 years. The perihelion distance is 29.81 AU, and the aphelion distance is 30.33 AU.
As of 2024, Voyager 2 is moving with a velocity of 55,347 kilometers per hour (34,391 mph), or 15 km/s, relative to the Sun, and is 20,439,100,000 kilometers (1.27003 × 10 10 mi) from the Sun [12] reaching a distance of 136.627 AU (20.4 billion km; 12.7 billion mi) from Earth as of May 25, 2024.
As of 2024, no large planet has been found beyond Neptune that would explain any alleged discrepancy, despite the discovery of trans-Neptunian objects (most notably, Pluto). While the astronomical community widely agrees that "Planet X", as originally envisioned, does not exist, the concept of an as-yet-unobserved planet has been revived by a ...
The eccentricity of Earth's orbit will reach a minimum, 0.00236 (it is now 0.01671). [156] [157] 66,270 AD Sirius becomes the South Star at 1.6° of the south celestial pole, due to the combination of precession and its own proper motion. [158] 67,173 AD The planets Mercury and Venus will both cross the ecliptic at the same time. July 26, 69,163 AD
Voyager 1 relays messages to NASA’s mission control team after losing contact due to a technical issue. The aging spacecraft is relying on an old radio transmitter. ... 15 billion miles (24 ...
Although not occurring until next year, Jan. 15, 2025, is an important date for 2024 tax filers. This is the date that your final quarterly estimated tax payment is due for the 2024 tax year if ...
19 September – A recently discovered near-Earth object called 2024 PT 5 is calculated to become a "mini-moon" with a temporary orbit around Earth from September 29 until November 25. It will return in the year 2055. [414] [415]