The Dexes / Satellite Decay / 68791
CelestialObjectDex · Satellite Decay
NAVSTAR 86 (USA 585)
68791 · 2026-04-21T14:20:39Z
Fixes
159
Observations
159
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-21T14:20:39.291072+00:00 |
|---|---|
| end_utc | 2026-08-04T12:30:19.833696+00:00 |
| family | celestialdex |
| norad_id | 68,791 |
| object_name | NAVSTAR 86 (USA 585) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 54.963 |
| n_snaps | 159 |
| span_days | 104.923 |
| mean_motion_first | 4.033 |
| mean_motion_last | 2.006 |
| delta_mean_motion | -2.027 |
| altitude_first_km | 10294.533 |
| altitude_last_km | 20181.271 |
| decay_rate_rev_day2 | -0.001 |
| altitude_decay_km_day | 5.180 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-21T14:20:39.291072+00:00 |
| last_utc | 2026-08-04T12:30:19.833696+00:00 |
| last_fix_utc | 2026-08-04T12:30:19.833696+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-21T14:20:39.291072+00:00","mean_motion":4.0326918,"altitude_km":10294.533,"eccentricity":0.594151,"inclination_deg":55.0059},{"utc":"2026-05-07T03:29:59.998848+00:00","mean_motion":2. |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68791.json