1646 Rosseland

1646 Rosseland
Discovery[1]
Discovered byY. Väisälä
Discovery siteTurku Obs.
Discovery date19 January 1939
Designations
(1646) Rosseland
Named after
Svein Rosseland
(astrophysicist)[2]
1939 BG · 1937 QH
1948 QR · 1955 NB
1977 FK · 1980 ME
main-belt · (inner)[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc79.69 yr (29,105 days)
Aphelion2.6435 AU
Perihelion2.0771 AU
2.3603 AU
Eccentricity0.1200
3.63 yr (1,324 days)
320.86°
0° 16m 18.48s / day
Inclination8.3787°
119.98°
279.82°
Physical characteristics
Dimensions11.48±3.28 km[4]
11.50±2.88 km[5]
12.130±0.007 km[6]
12.801±0.231 km[7]
12.85 km (calculated)[3]
13.49±0.27 km[8]
68.9 h[9]
69.2 h[10]
0.18±0.10[5]
0.186±0.008[8]
0.19±0.07[4]
0.20 (assumed)[3]
0.202±0.030[7]
0.2253±0.0341[6]
S[3]
11.82[1][3][4][6][7][8] · 11.97±0.11[11] · 12.06[5]

1646 Rosseland, provisional designation 1939 BG, is a stony asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 19 January 1939, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland.[12] It was later named after Norwegian astrophysicist Svein Rosseland.[2]

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
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  4. ^ a b c Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Angeli-1999 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Binzel-1983b was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference MPC-Rosseland was invoked but never defined (see the help page).