2021 DR15 is a large trans-Neptunian object in the scattered disc, around 700 kilometres (430 miles) in diameter. It was discovered on 17 February 2021... 5 KB (223 words) - 12:05, 20 December 2023 |
 | Planet Center. Retrieved 15 July 2023. "JPL Small-Body Database Browser: (2021 DR15)" (2022-04-11 last obs.). Jet Propulsion Laboratory. Retrieved 25 October... 64 KB (4,765 words) - 00:42, 1 April 2024 |
significant events in science that have occurred in the first quarter of 2021. 1 January – Beginning of the implementation of Plan S, an initiative for... 139 KB (13,103 words) - 16:21, 19 April 2024 |
 | List of unnumbered trans-Neptunian objects (redirect from List of unnumbered trans-Neptunian objects: 2021) MPC · JPL 2021 DR15 10 March 2005 Apache Point-Sloan Digital Sky Survey (645) 713 SDO 67.2 0.44 31 37.8 96.5 — MPC · JPL 2021 DS15 17 February 2021 Mauna... 61 KB (594 words) - 18:01, 3 December 2023 |
 | 225088 Gonggong (category Articles containing potentially dated statements from 2021) the eleventh-farthest known Solar System object from the Sun, preceding 2021 DR15 (89.5 AU), 2014 UZ224 (89.6 AU), 2015 TH367 (90.3 AU), 2020 FQ40 (92.4 AU)... 75 KB (6,145 words) - 17:04, 10 April 2024 |
 | List of Solar System objects most distant from the Sun (category Articles containing potentially dated statements from December 2021) Solar System minor planets are the furthest from the Sun as of December 2021[update]. The objects have been categorized by their approximate current distance... 19 KB (674 words) - 14:08, 5 February 2024 |
significant events in science that have occurred in the second quarter of 2021. 2 April – Scientists report that the event that caused the mass-extinction... 126 KB (11,867 words) - 06:26, 15 April 2024 |
 | significant scientific events that occurred or were scheduled to occur in 2021. 1 July Construction begins on the Square Kilometre Array, with first light... 297 KB (38,840 words) - 21:33, 8 April 2024 |
2021 DW1 is a small Apollo near-Earth asteroid discovered on 16 February 2021 by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii. On 4 March... 6 KB (312 words) - 18:19, 27 November 2023 |
 | Michael J.; Sickafoose, Amanda A.; Bosh, Amanda A.; Collins, Michael (April 2021). "Occultation of a Large Star by the Large Plutino (28978) Ixion on 2020... 282 KB (1,087 words) - 19:29, 6 December 2023 |