Back 1353 مارتچى (كويكب) ARZ (1353) Марче CE (1353) Maartje German 1353 Μάαρτγιε Greek 1353 Maartje Esperanto (1353) Maartje Spanish 1353 Maartje Basque سیارک ۱۳۵۳ Persian (1353) Maartje French 1353 Maartje Hungarian
_Maartje.png) Modelled shape of Maartje from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | H. van Gent |
| Discovery site | Johannesburg Obs. |
| Discovery date | 13 February 1935 |
| Designations | |
| (1353) Maartje | |
Named after | Maartje Mekking [2] (daughter of Dutch orbit computer B. G. Mekking) |
| 1935 CU · 1931 ME 1953 TZ2 · A910 LB A916 QB · A920 JC | |
| main-belt · (outer) Eos[3][4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 97.48 yr (35,606 days) |
| Aphelion | 3.2988 AU |
| Perihelion | 2.7210 AU |
| 3.0099 AU | |
| Eccentricity | 0.0960 |
| 5.22 yr (1,907 days) | |
| 134.16° | |
| 0° 11m 19.32s / day | |
| Inclination | 9.2032° |
| 211.79° | |
| 98.471° | |
| Physical characteristics | |
| Dimensions | 33.75±3.9 km[5] 34.16 km (derived)[3] 37.16±10.25 km[6] 38.13±0.79 km[7] 39.013±0.534 km[8] 39.55±0.68 km[9] 42.175±0.390 km[10] |
| 12 h[11] 18 h[11] 22.930±0.001 h (best)[12] 22.98±0.05 h[11] 22.9924±0.0002 h[13][a] 22.9926 h[14] | |
| 0.0687±0.0045[10] 0.088±0.004[7] 0.1073±0.030[5] 0.13±0.06[6] 0.136±0.015[9] 0.1660 (derived)[3] | |
| LS[15] · S (assumed)[3] | |
| 9.80[9] · 9.9[3] · 10.0[1] · 10.01[6] · 10.01±0.09[15] · 10.40[5][7][10] | |
1353 Maartje, provisional designation 1935 CU, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 37 kilometers in diameter. It was discovered on 13 February 1935, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa.[16] The asteroid was named after Maartje Mekking, daughter of a staff member at the Dutch Leiden Observatory.[2]
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