1384 Kniertje

1384 Kniertje
Discovery[1]
Discovered byH. van Gent
Discovery siteJohannesburg Obs.
Discovery date9 September 1934
Designations
(1384) Kniertje
Named after
Kniertje[2] (fictional character)
1934 RX
main-belt · (middle)
Eunomia[3] · Adeona[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc83.06 yr (30,338 days)
Aphelion3.1649 AU
Perihelion2.1872 AU
2.6760 AU
Eccentricity0.1827
4.38 yr (1,599 days)
288.15°
0° 13m 30.36s / day
Inclination11.858°
152.86°
276.17°
Physical characteristics
Dimensions21.52±6.01 km[5]
21.72±6.93 km[6]
26.14±0.56 km[7]
26.29±0.38 km[8]
26.517±0.090 km[9]
26.59 km (derived)[3]
27.51±1.6 km[10]
29.592±0.230 km[11]
9.78±0.02 h[12]
9.807±0.002 h[12]
9.808±0.001 h[12]
9.824±0.001 h[13]
9.872±0.012 h[14]
12.255±0.004 h[15][a]
0.0351±0.0035[11]
0.06±0.03[6]
0.064±0.006[8]
0.066±0.003[7]
0.07±0.05[5]
0.0701 (derived)[3]
0.3077±0.039[10]
S (assumed, Eunomia)[3]
C (assumed; Adeona)[16]: 23 
9.70[10] · 11.38[3][11] · 11.4[17] · 11.50[7][8] · 11.60[1][6] · 11.64[5] · 11.81±0.22[18]

1384 Kniertje, provisional designation 1934 RX, is a dark Adeonian asteroid from the central regions of the asteroid belt, approximately 26 kilometers in diameter. It was discovered on 9 September 1934, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa.[19] The asteroid was named after a character in the Dutch play Op Hoop van Zegen by Herman Heijermans.[2]

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  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
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  5. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
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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 Masiero-2012 was invoked but never defined (see the help page).
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  12. ^ a b c Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Hawkins-2008 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Vinson-2014 was invoked but never defined (see the help page).
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  18. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  19. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).


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