1987 Kaplan

1987 Kaplan
Lightcurve-based 3D-model of Kaplan
Discovery[1]
Discovered byP. F. Shajn
Discovery siteSimeiz Obs.
Discovery date11 September 1952
Designations
(1987) Kaplan
Named after
Samuil Kaplan[2]
(Soviet astrophysicist)
1952 RH
main-belt · (inner)
Phocaea[3][4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc64.54 yr (23,573 days)
Aphelion2.9234 AU
Perihelion1.8422 AU
2.3828 AU
Eccentricity0.2269
3.68 yr (1,343 days)
238.97°
0° 16m 4.8s / day
Inclination23.645°
314.23°
38.176°
Physical characteristics
Dimensions11.70±2.27 km[5]
13.017±0.159 km[6]
13.52±0.39 km[7]
13.89 km (calculated)[3]
14.606±0.104 km[8]
9.453±0.002 h[9][a]
9.45950±0.00005 h[10]
9.46±0.01 h[11][b]
9.49±0.02 h[12]
0.2094±0.0448[8]
0.23 (assumed)[3]
0.262±0.053[6]
0.278±0.017[7]
0.28±0.12[5]
S (assumed)[3]
11.40[7] · 11.5[1][3][8] · 11.81[5] · 12.23±1.34[13]

1987 Kaplan, provisional designation 1952 RH, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 11 September 1952, by Soviet astronomer Pelageya Shajn at the Simeiz Observatory on the Crimean peninsula.[14] The asteroid was named after Soviet astrophysicist Samuil Kaplan.[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 Nugent-2016 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  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 WISE was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Warner-2012c was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Hanus-2013c was invoked but never defined (see the help page).
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  12. ^ Cite error: The named reference Warner-2001c was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).


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