UPSA
Object Registry
1003410034 Birlan (1981 YG)10034 BirlanBirlan
| Class | MBA |
|---|---|
| Semi-major axis a | 2.584 au |
| Eccentricity e | 0.1308 |
| Inclination i | 14.77° |
| Perihelion q / aphelion Q | 2.246 / 2.92 au |
| Period | 1,520 d (4.162 y) |
| Node Ω / argument ω / M | 277.1° / 218.75° / 217.22° |
| Earth MOID | 1.28 au |
| Absolute magnitude H | 13.57 |
| Diameter | 10.159 km |
| Albedo | 0.09 |
| Rotation period | — h |
| Spectral type | — |
| Observation arc | 1981-12-20 → 2025-09-02 · 3,722 observations |
| Archive | Read at (UTC) | Record |
|---|---|---|
| Seeded from the bulk archive load; no per-object fetch yet. | ||
Machine-readable: /api/v1/object/10034-birlan · Registry entry updated 2026-08-14.