The Dexes / Satellite Orbital Decay / 38861
CelestialObjectDex · Satellite Orbital Decay
SJ-9B
38861 · 2026-04-03T13:27:46Z
Fixes
250
Observations
250
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T13:27:46.035936+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T22:35:16.725120+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 38,861 |
| Object nameobject_name | SJ-9B |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.002 |
| Inclination deg medianinclination_deg_median | 97.598 |
| Number of snapsn_snaps | 250 |
| Span (days)span_days | 142.380 |
| Mean motion firstmean_motion_first | 14.910 |
| Mean motion lastmean_motion_last | 14.915 |
| Delta mean motiondelta_mean_motion | 0.005 |
| Altitude first (km)altitude_first_km | 594.712 |
| Altitude last (km)altitude_last_km | 593.156 |
| Decay rate rev day2decay_rate_rev_day2 | 0.000 |
| Altitude decay km dayaltitude_decay_km_day | -0.011 |
| 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 | 2026-04-03T13:27:46.035936+00:00 |
| Last UTClast_utc | 2026-08-23T22:35:16.725120+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T22:35:16.725120+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T13:27:46.035936+00:00","mean_motion":14.91033499,"altitude_km":594.712,"eccentricity":0.00169454,"inclination_deg":97.5946},{"utc":"2026-04-03T16:41:02.514336+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/38861.json