UPSA
Object Registry
1013910139 Ronsard (1993 ST4)10139 RonsardRonsard
| Class | MBA |
|---|---|
| Semi-major axis a | 2.35 au |
| Eccentricity e | 0.028 |
| Inclination i | 1° |
| Perihelion q / aphelion Q | 2.284 / 2.42 au |
| Period | 1,320 d (3.614 y) |
| Node Ω / argument ω / M | 57.6° / 195.4° / 122.6° |
| Earth MOID | 1.27 au |
| Absolute magnitude H | 14.63 |
| Diameter | 3.995 km |
| Albedo | 0.121 |
| Rotation period | — h |
| Spectral type | — |
| Observation arc | 1974-04-24 → 2025-11-15 · 3,760 observations |
| Archive | Read at (UTC) | Record |
|---|---|---|
| Seeded from the bulk archive load; no per-object fetch yet. | ||
Machine-readable: /api/v1/object/10139-ronsard · Registry entry updated 2026-08-14.