1431 Luanda

1431 Luanda
Modelled shape of Luanda from its lightcurve
Discovery[1]
Discovered byC. Jackson
Discovery siteJohannesburg
Discovery date29 July 1937
Designations
(1431) Luanda
Named after
Luanda[2]
(Capital of Angola)
1937 OB · 1949 KZ
main-belt · (middle)
Eunomia[3][4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc80.22 yr (29,300 days)
Aphelion3.0989 AU
Perihelion2.1408 AU
2.6199 AU
Eccentricity0.1829
4.24 yr (1,549 days)
293.57°
0° 13m 56.64s / day
Inclination13.987°
117.73°
224.19°
Physical characteristics
Dimensions13.608±1.966 km[5]
13.88 km (calculated)[3]
4.141±0.004 h[6]
5.360±0.002 h[7]
0.21 (assumed)[3]
0.360±0.347[5]
LS [8] · S (assumed)[3]
11.06[5] · 11.6[3] · 11.7[1] · 12.38±0.42[8]

1431 Luanda, provisional designation 1937 OB, is a stony Eunomian asteroid from the central regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 29 July 1937, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.[9] The asteroid was named after the city of Luanda.[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).
  3. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Gil-Hutton-2003 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).