Contact information

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

Ursa Astronomical Association

(142464) 2002 TC9 - 10.4.2021 at 23.02 - 10.4.2021 at 23.26 Orimattila, Artjärvi, Tähtikallio Observation number 97591

Visibility IV / V


(142464) 2002 TC9 (2002 TC9) The Amor / NEO asteroid was photographed on the second night of the April 2021 campaign. The asteroid was discovered by the LINEAR Socorro (code 704-Lincoln Laboratory ETS, New Mexico) exploration program on October 2, 2002. The size of the asteroid is 0.88km and the rotation speed is 2.320h / r.
When photographed, the asteroid was 0.1347au at a distance and 0.1333au at the nearest April 6, 2021. The weather was excellent during the shooting, although the shooting took place during the astronomical twilight.
1Picture. First image measured, 2021-04-10T 20: 02: 37UT 2459315.33515JDUT 09h04m41.40s + 22d05'16.6 "16.91mag Std Dev 90.747 SNR21.606 FWHM5.348", JPL Horizon 20: 02: 37UT 09h04m41.32s + 22d05 ' 15.0 "16.176 mag.
2Picture. Last image measured, 2021-04-10T 20: 25: 40UT 2459315.35115JDUT 09h04m44.67s + 22d07'08.9 "16.840mag Std Dev 104.182 SNR23.519 FWHM13.215", JPL Horizon 20: 25: 40T 09h04m44.55s + 22d07 ' 06.5 "16.176 mag.
3Picture. Summary image of the stack, very fast movement is visible. Asteroid (80451) Alwoods 19,727mag, motion shown. Asteroid (122015) 2000 GP35 19.943mag sparsely outdoors image. No other asteroids below 20.0mag, image area of a total of 70 asteroids. Brightness measurement
used for calibration TYC 1407-927-1 v.11.94mag stars.


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • (142464) 2002 TC9
    • Näyttävä
  • Seeing
    • Excellent
Technical information

Alluna RC16, C415 / 3320, Moravian G4-16000EC MkII, filter L, bin3 40 x 30s

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