1509 Esclangona

1509 Esclangona
Discovery[1]
Discovered byA. Patry
Discovery siteNice Obs.
Discovery date21 December 1938
Designations
(1509) Esclangona
Named after
Ernest Esclangon
(French astronomer)[2]
1938 YG
main-belt · (inner)[1]
Hungaria[3][4][5]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc77.68 yr (28,374 days)
Aphelion1.9263 AU
Perihelion1.8064 AU
1.8663 AU
Eccentricity0.0321
2.55 yr (931 days)
225.08°
0° 23m 11.76s / day
Inclination22.320°
283.52°
267.82°
Known satellites1[6]
Physical characteristics
Dimensions6.83±1.32 km[7]
7.52±1.78 km[8]
8.17±0.6 km (IRAS:2)[9]
8.18 km (derived)[4]
9.0±1.0 km[10]
9.87±0.37 km[11]
2.64±0.02 h[12]
3.247 h[10]
3.247±0.002 h[13]
3.252±0.005 h[14][a]
3.2524±0.0003 h[15]
3.25250±0.00005 h[16]
3.25281±0.00002 h[b]
3.25283±0.00002 h[17]
5.89 h[c]
0.107±0.021[10]
0.160±0.013[11]
0.185±0.055[18]
0.2041 (derived)[4]
0.2327±0.038 (IRAS:2)[9]
0.30±0.14[8]
0.41±0.18[7]
Tholen = S[1] · K[19] · S[4]
B–V = 0.894[1]
U–B = 0.472[1]
12.33±0.14 (R)[b] · 12.64[1][7][9][11] · 12.79[8] · 12.858±0.149[4][20] · 13.28±0.0[10]

1509 Esclangona, provisional designation 1938 YG, is a rare-type Hungaria asteroid and binary system from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It is named after French astronomer Ernest Esclangon.

  1. ^ a b c d e f g Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MPC-Esclangona was invoked but never defined (see the help page).
  4. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Spratt-1990 was invoked but never defined (see the help page).
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  20. ^ Cite error: The named reference Pravec-2012b was invoked but never defined (see the help page).


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