1731 Smuts

1731 Smuts
Discovery[1]
Discovered byE. Johnson
Discovery siteJohannesburg Obs.
Discovery date9 August 1948
Designations
(1731) Smuts
Named after
Jan Smuts
(Field Marshal; PM)[2]
1948 PH · 1926 TF
1931 QA · 1935 FS
1938 YB · 1941 KG
1947 LC · 1948 PP
1954 SX · 1960 WE
1966 UY
main-belt · (outer)[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc90.22 yr (32,954 days)
Aphelion3.5712 AU
Perihelion2.7652 AU
3.1682 AU
Eccentricity0.1272
5.64 yr (2,060 days)
41.052°
0° 10m 29.28s / day
Inclination5.9328°
152.48°
203.73°
Physical characteristics
Dimensions53.83 km (derived)[3]
54.71±0.98 km[4]
54.784±0.236[5]
57.491±0.432 km[6]
12.5±0.7 h[7]
0.0385 (derived)[3]
0.0534±0.0060[6]
0.058±0.010[5]
0.059±0.003[4]
C[3]
10.00[4][6] · 10.5[1][3]

1731 Smuts, provisional designation 1948 PH, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 54 kilometers in diameter. It was discovered on 9 August 1948, by South African astronomer Ernest Johnson at Johannesburg Observatory in South Africa, who named it after Field marshal Jan Smuts.[2][8]

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  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 AKARI was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Masiero-2014 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. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference MPC-Smuts was invoked but never defined (see the help page).