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Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

(38042) 1998 SA10 - 24.9.2022 at 21.40 - 24.9.2022 at 21.47 Orimattila, Artjärvi, Tähtikallio Observation number 110964

Visibility I / V


(38042) 1998 SA10 (1998 SA10,1997 GV22) Outer main belt asteroid imaged on the second night of the 2022 September talcos. The Pallas family asteroid was discovered by the Catalina Sky Survey (CSS; obs. code: 703) exploration program at the Steward Observatory's Catalina Station on September 21, 1998. The CSS search program has found a total of 25602 asteroids. The size of the asteroid is 12.06 km. When photographing, the asteroid was at a distance of 1.6395au and at its closest on August 22, 2022 at 1.561au.

1Fig. first image of the series L30s measured, 2022-09-24T 18:40:42UT 2459847.27826JDUT 20h02m35.705s +25d36'19.1" 16.876mag Std Dev 59.284 SNR7.390 FWHM3.786" ,JPL Horizon 18:40.62m35.705s +25d36'19.1" 25d36'18.6" 16.507mag .

2Fig. last image of the series L30s measured, 2022-09-24T 18:46:25UT 2459847.28223JDUT 20h02m35.79s +25d36'14.8" 16.910mag Std Dev 53.124 SNR7.643 FWHM2.723" , JPL Horizon 18:46:205m35.79s +35d36'14.8" 25d36'14.3" 16.507mag .

3 Image sum image L30s 1-11 from a stack of images, the movement is weakly visible. There are no other asteroids below 24.0 mag in the picture.

TYC 2145-757-1 v.12.38mag star used for brightness measurement calibration.


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • (38042) 1998 SA10
  • Seeing
    • Average
Technical information

Alluna RC16, C415/3320, Moravian G4-16000EC MkII, filter L, bin3 11 x 30s

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