The Dexes / Satellite Orbital Decay / 41901
CelestialObjectDex · Satellite Orbital Decay
SPARK 2
41901 · 2026-04-03T12:35:20Z
Fixes
255
Observations
255
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:35:20.261184+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T09:39:05.283072+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 41,901 |
| Object nameobject_name | SPARK 2 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.003 |
| Inclination deg medianinclination_deg_median | 98.549 |
| Number of snapsn_snaps | 255 |
| Span (days)span_days | 141.878 |
| Mean motion firstmean_motion_first | 14.591 |
| Mean motion lastmean_motion_last | 14.592 |
| Delta mean motiondelta_mean_motion | 0.001 |
| Altitude first (km)altitude_first_km | 696.150 |
| Altitude last (km)altitude_last_km | 695.683 |
| Decay rate rev day2decay_rate_rev_day2 | 0.000 |
| Altitude decay km dayaltitude_decay_km_day | -0.003 |
| 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 | 2026-04-03T12:35:20.261184+00:00 |
| Last UTClast_utc | 2026-08-23T09:39:05.283072+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T09:39:05.283072+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:35:20.261184+00:00","mean_motion":14.59078718,"altitude_km":696.15,"eccentricity":0.0025033,"inclination_deg":98.5464},{"utc":"2026-04-03T20:49:05.436192+00:00","mean_motion":14 |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41901.json