1916 Boreas
| Discovery | |
|---|---|
| Discovered by | S. Arend |
| Discovery site | Uccle Obs. |
| Discovery date | 1 September 1953 |
| Designations | |
| (1916) Boreas | |
| Pronunciation | /ˈbɔːriəs/ |
Named after | Boreas (Greek mythology) |
| 1953 RA | |
| NEO · Amor | |
| Orbital characteristics | |
| 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) 3.5 km |
| 3.4741±0.0003 h 3.4746 h 3.4746±0.0010 h 3.4748±0.0010 h 3.49±0.01 h | |
| 0.15 (assumed) 0.20 (assumed) | |
| S (Tholen), S (SMASS) S · Sw B–V = 0.852 U–B = 0.407 | |
| 14.86±0.112 · 14.93 | |
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.