1946 Walraven

1946 Walraven
Modelled shape of Walraven from its lightcurve
Discovery[1]
Discovered byH. van Gent
Discovery siteJohannesburg Obs.
(Leiden Southern Station)
Discovery date8 August 1931
Designations
(1946) Walraven
Named after
Theodore Walraven
(astronomer)[2]
1931 PH · 1952 PB
1959 RE1 · 1966 TC
1972 JE1
main-belt · (inner)[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc85.73 yr (31,314 days)
Aphelion2.8329 AU
Perihelion1.7564 AU
2.2947 AU
Eccentricity0.2346
3.48 yr (1,270 days)
242.32°
0° 17m 0.6s / day
Inclination8.1606°
17.269°
340.01°
Physical characteristics
9.205±0.109 km[4][5]
11.83 km (calculated)[3]
10.21±0.01 h[6]
10.2101±0.0005 h[7]
10.22±0.02 h[8]
10.223 h[9]
0.20 (assumed)[3]
0.362±0.067[4][5]
S[3]
11.9[4] · 12.0[1][3]

1946 Walraven (prov. designation: 1931 PH) is a stony asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 8 August 1931, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa, and named after astronomer Theodore Walraven.[2][10]

  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. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Aznar-2016c was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Hanus-2016a was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Folberth-2012a was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Van-Gent-1933 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference MPC-Walraven was invoked but never defined (see the help page).