Northolt Branch Obs

@NBObservatories

Situated in London, the Northolt Branch Observatories (Z80 Z48) are dedicated to minor planet and cometary astrometry. G Wells FRAS, D Bamberger.

West London
Vrijeme pridruživanja: rujan 2015.

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  1. 1. velj
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  3. 1. velj

    NEOCP object C2045A2, that we observed on Jan' 28th, has been designated 2020 BZ13 (Apollo-type asteroid) Diameter 3-7m. First observed at Catalina Sky Survey on Jan 28th. Close approach Jan' 29th. Distance 106,000 km. We observed it moving at a rapid 450 arcminutes per hour.

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  4. 22. sij
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  5. 22. sij

    Apollo-type asteroid 2020 BO1. Diameter of 110-250m. First observed at Catalina Sky Survey on Jan 18th. Close approach Jan 19th. Distance of 0.034au.

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  6. 1. sij

    Our 2019 summary is too long to fit here, but we managed to collect data on 181 nights!

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  7. Apollo-type asteroid 2019 YR3. Diameter of 40-90m. First observed at ATLAS-MLO on the 28th of Dec. Close approach Dec' 30th Distance 1.49 million km. 2019 YR3 is currently +21.8 mag

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  8. Aten-type PHA 2000 AZ93. Diameter 113 metres. First observed by LINEAR Jan' 7th 2000. Close approach Dec' 16th. Distance 8.5 million km from the Earth. 2000 AZ93 is currently observable at +18.1 mag and had been unobserved for almost 9 years.

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  9. Apollo-type asteroid 2019 WQ3. Diameter 100-220m. First observed at ATLAS-MLO, Mauna Loa on Nov' 27th. Close approach today. Distance 3.7 million km. 2019 WQ3 is currently +15 mag.

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  10. Aten-type PHA 2006 SF6. Diameter 310-700m. First observed at Catalina Sky Survey on 17th Sept' 2006. Close approach on 21st Nov'. Distance 4.3 million km. Currently observable at +13.8 mag.

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  11. Apollo-type PHA 2019 UN12. Diameter 120-275m. First observed at Pan-STARRS 1 on Oct' 28th. Close approach today. Distance 1.4 million km. We observed 2019 UN12 moving at a rapid 135 arcseconds per minute.

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  12. Apollo-type PHA 2015 JD1. Diameter 225-500m. First observed at Catalina Sky Survey on May 11th 2015. Close approach on 3rd Nov'. Distance 4.9 million km. Observable at 15th mag.

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  13. Apollo-type asteroid 2019 UO13. Diameter 55-125m. First observed at Catalina Sky Survey on Oct' 31st 2019. Close approach on 31th Oct'. Distance 2 million km. Currently observable at 16th mag'

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  14. 1998 HL1 is an Apollo-type PHA. Diameter 500-1100m. First observed by LINEAR at Socorro on 18th April 1998. Close approach 5th Oct'. Distance of 6.2 million km. At that time HL1 will become brighter than 13th magnitude.

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  16. We find a rotation period of 29.5 ± 1.0 minutes, and an amplitude of 2.0 ± 0.5 mag. This makes 2019 SL7 one of the most elongated objects in the Solar System: Its longest axis is at least three times longer than its shortest axis.

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  17. The small Apollo-type asteroid 2019 SL7, which we observed last night, shows strong brightness variations, indicative of a rapid rotation and an extremely elongated shape.

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  18. Apollo-type asteroid 2019 SL7. Diameter 20-45m. First observed at Pan-STARRS 1 on Sept' 29th. Close approach today at a distance of 538,000km. 2019 SL7 was moving at a fairly rapid 84 arcseconds per minute.

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  20. Apollo-type asteroid 2019 SH3 moving at a rapid 144 arcseconds per min'. Diameter 22-50m. First observed at Pan-STARRS 1, Haleakala, on September 22nd. Close approach on September 30th at a distance of 1.2 million km (0.008 AU) .

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