The Dexes / Satellite Orbital Decay / 57988
CelestialObjectDex · Satellite Orbital Decay
YAOGAN-39 03B
57988 · 2026-04-03T12:50:18Z
Fixes
273
Observations
273
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:50:18.892032+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T11:29:02.755968+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 57,988 |
| Object nameobject_name | YAOGAN-39 03B |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.002 |
| Inclination deg medianinclination_deg_median | 34.990 |
| Number of snapsn_snaps | 273 |
| Span (days)span_days | 141.944 |
| Mean motion firstmean_motion_first | 15.174 |
| Mean motion lastmean_motion_last | 15.168 |
| Delta mean motiondelta_mean_motion | -0.006 |
| Altitude first (km)altitude_first_km | 513.724 |
| Altitude last (km)altitude_last_km | 515.564 |
| Decay rate rev day2decay_rate_rev_day2 | -0.000 |
| Altitude decay km dayaltitude_decay_km_day | 0.030 |
| Decay notedecay_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 UTCfirst_utc | 2026-04-03T12:50:18.892032+00:00 |
| Last UTClast_utc | 2026-08-23T11:29:02.755968+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T11:29:02.755968+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:50:18.892032+00:00","mean_motion":15.17392807,"altitude_km":513.724,"eccentricity":0.00207671,"inclination_deg":34.9916},{"utc":"2026-04-03T20:44:02.103072+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57988.json