1021 Flammario

1021 Flammario
Shape model of Flammario from its lightcurve
Discovery[1]
Discovered byM. F. Wolf
Discovery siteHeidelberg Obs.
Discovery date11 March 1924
Designations
(1021) Flammario
Named after
Camille Flammarion[2]
(French astronomer)
1924 RG · 1977 UM
A910 CE
main-belt[1][3] · (outer)[4]
background[5]
Orbital characteristics[3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc92.70 yr (33,857 d)
Aphelion3.5188 AU
Perihelion1.9556 AU
2.7372 AU
Eccentricity0.2855
4.53 yr (1,654 d)
10.840°
0° 13m 3.36s / day
Inclination15.869°
115.44°
286.97°
Physical characteristics
84.78±22.26 km[6]
97.38±1.23 km[7]
97.96±34.85 km[8]
98.015±8.377 km[9]
99.39±2.3 km[10]
99.6±19.9 km[11]
100.765±1.608 km[12][3][13]
105±11 km[14]
Mass(8.6 ± 3.87/2.84)×1017 kg[13]
Mean density
1.606 ± 0.722/0.529 g/cm3[13]
12.146±0.001 h[15]
12.146 h[16][17]
12.15186±0.00005 h[18]
12.160±0.002 h[19]
12.16 h[19]
0.04±0.01[14]
0.04±0.06[8]
0.045±0.006[12][3]
0.0458±0.002[10]
0.0470±0.0200[9]
0.048±0.001[7]
0.05±0.02[6][11]
Tholen = F[3] · F[20]
SMASS = B[3][4]
B–V = 0.656[3]
U–B = 0.230[3]
9.06[3]8.98
[4][7][6][9][10][11][14]
9.03[8]
9.34±0.27[21]

1021 Flammario, provisional designation 1924 RG, is a dark background asteroid from the central regions of the asteroid belt, approximately 100 kilometers (62 miles) in diameter. It was discovered on 11 March 1924, by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory in Heidelberg, Germany.[1] The asteroid was named after French astronomer Camille Flammarion.[2] The uncommon F-type asteroid has a rotation period of 12.16 hours.[4]

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  7. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
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  11. ^ a b c Cite error: The named reference Ali-Lagoa-2016 was invoked but never defined (see the help page).
  12. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  13. ^ a b c Cite error: The named reference FiengaEtAl2020 was invoked but never defined (see the help page).
  14. ^ a b c Cite error: The named reference Ali-Lagoa-2013 was invoked but never defined (see the help page).
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  16. ^ Cite error: The named reference Hainaut-Rouelle-1995 was invoked but never defined (see the help page).
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  18. ^ Cite error: The named reference Hanus-2016a was invoked but never defined (see the help page).
  19. ^ a b Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  20. ^ Cite error: The named reference Belskaya-2017 was invoked but never defined (see the help page).
  21. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).