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Contact information

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

Ursa Astronomical Association

Solar system - 4.9.2021 at 01.21 - 4.9.2021 at 01.42 Orimattila, Artjärvi, Tähtikallio Observation number 101218

Visibility III / V


3063 Makhao (1983 PV, 1931 DT, 1964 YL, 1971 OE, 1971 QK1.1975 VT6) The Trojan asteroid of Jupiter was photographed on the first night of the September 2021 troops. L4 The asteroid of the Athenian group was discovered by the Russian astronomer Lyudmila Georgievna Karachkina at the Crimean Nauchnij Observatory (095-Crimea-Nauchnij) on 4 August 1983. Lyudmila Karachkina has found a total of 130 asteroids, a source on Wikipedia
https://en.wikipedia.org/wiki/Lyudmila_Karachkina . The asteroid gets its name from Greek mythology, Makhaon, a doctor from the Akhaiji army during the Trojan War. Makhao was the son of Asclepius, Zeus destroyed Asclepius with his lightning as he sought to raise the dead. Source "Ancient Myths" SpongeBob SquarePants 2017 Ottawa. The asteroid has its own small Makhao family, the family is defined using the hierarchical clustering method (HCM), comparing orbit elements! Source Wikipedia https://en.wikipedia.org/wiki/3063_Makhaon . Assemble
the large asteroid has 111.65km and a rotational speed of 8.64h / r. Assumed spectral class dark D and C. When photographed, the asteroid was at a distance of 4,773au and closest on November 9, 2021 to 4,215au. In Figure 7 came a satellite line that hit an asteroid so it had to be removed from the stack.
1Picture. first image in the series1 L120s measured, 2021-09-03UT 22: 21: 18UT 2459461.43145JDUT 02h56m30.31s + 29d42'37.6 "16.487mag Std Dev 369.043 SNR54.091 FWHM6.103", JPL Horizon 22: 21: 18UT 02h56m30.34s + 29d42'36.6 "16.324 mag.
2Picture. last image in the series11 L120s measured, 2021-09-03UT 22: 42: 10UT 2459461.44594JDUT 02h56m30.32s + 29d42'39.4 "16.231mag Std Dev 524.527 SNR66.239 FWHM3.627", JPL Horizon 22: 42: 10UT 02h56m30.35s + 29d42'38.4 "16.324 mag.
3Picture sum view of L120s from stack of 1-10 images, motion not displayed. Asteroid (92993) 2000 RA76 18.5mag, motion shown .No other asteroids under 19.9mag in the picture. TYC 1794-447-1 v. 11.49mag stars used to calibrate brightness measurement.


Additional information
  • Observation target
    • Asteroid
  • Seeing
    • Good
  • Name of the observation target
    • 3063 Makhaon
Technical information

Alluna RC16, C415 / 3320, Moravian G4-16000EC MkII, filter L, bin3 11 x 120s

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