29P/Schwassmann-Wachmann 1
29P/Schwassmann-Wachmann 1（彗星）。在太阳系 3D 地图上查看它的大小、轨道和实时位置。 Comet 29P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 1, was discovered on November 15, 1927, by Arnold Schwassmann and Arno Arthur…
Comet 29P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 1, was discovered on November 15, 1927, by Arnold Schwassmann and Arno Arthur Wachmann at the Hamburg Observatory in Bergedorf, Germany. It is a large comet 60 km in diameter and is known for being observable throughout the whole orbit and having frequent outbursts where it brightens by 2-3 magnitudes. The most recent outbursts were in February 2026, April 2026, and May 2026. The comet came to solar conjunction on 26 September 2026, and came to aphelion on 30 September 2026. It crossed the celestial equator in late 2025 and is headed further into southern skies until April 2029 when it will have a declination of −31°.
- 类型: 彗星
- 直径: 60 km
- 轨道周期: 14.9 年
- 偏心率: 0.045