Back 1916 Boreas (كويكب) ARZ (1916) Boreas BAR (1916) Boreas Catalan (1916) Борей CE (1916) Boreas German 1916 Βορέας Greek 1916 Boreo Esperanto (1916) Bóreas Spanish 1916 Boreas Basque سیارک ۱۹۱۶ Persian
| Discovery[1] | |
|---|---|
| Discovered by | S. Arend |
| Discovery site | Uccle Obs. |
| Discovery date | 1 September 1953 |
| Designations | |
| (1916) Boreas | |
| Pronunciation | /ˈbɔːriəs/[2] |
Named after | Boreas (Greek mythology)[3] |
| 1953 RA | |
| NEO · Amor[1][4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.73 yr (23,279 days) |
| Aphelion | 3.2944 AU |
| Perihelion | 1.2506 AU |
| 2.2725 AU | |
| Eccentricity | 0.4497 |
| 3.43 yr (1,251 days) | |
| 252.13° | |
| 0° 17m 15.72s / day | |
| Inclination | 12.884° |
| 340.64° | |
| 335.83° | |
| Earth MOID | 0.2520 AU · 98.2 LD |
| Physical characteristics | |
| Dimensions | 3.07 km (calculated)[5] 3.5 km[1] |
| 3.4741±0.0003 h[6][a] 3.4746 h[7] 3.4746±0.0010 h[a] 3.4748±0.0010 h[a] 3.49±0.01 h[8] | |
| 0.15 (assumed)[1] 0.20 (assumed)[5] | |
| S (Tholen), S (SMASS) S[9] · Sw[5][10][11] B–V = 0.852 U–B = 0.407 | |
| 14.86±0.112[5][12] · 14.93[1][11] | |
1916 Boreas, provisional designation 1953 RA, is an eccentric, stony asteroid and near-Earth object of the Amor group, approximately 3 kilometers in diameter. After its discovery in 1953, it became a lost asteroid until 1974. It was named after Boreas from Greek mythology.
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