The Dexes / Satellite Decay / 69800

CelestialObjectDex · Satellite Decay

QIANFAN-201

69800 · 2026-07-14T13:31:00Z

Fixes
54
Sensor hits
0
Observations
54
Altitude — track
54 measured points · 2026-07-142026-08-09
Mean motion — track
54 measured points · 2026-07-142026-08-09

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

start_utc2026-07-14T13:31:00.805728+00:00
end_utc2026-08-09T19:36:18.548640+00:00
familycelestialdex
norad_id69,800
object_nameQIANFAN-201
groupactive
eccentricity_median0.001
inclination_deg_median88.994
n_snaps54
span_days26.254
mean_motion_first14.534
mean_motion_last14.133
delta_mean_motion-0.402
altitude_first_km714.408
altitude_last_km848.149
decay_rate_rev_day2-0.009
altitude_decay_km_day3.015
decay_notemean_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_utc2026-07-14T13:31:00.805728+00:00
last_utc2026-08-09T19:36:18.548640+00:00
last_fix_utc2026-08-09T19:36:18.548640+00:00
provisionalfalse
track[{"utc":"2026-07-14T13:31:00.805728+00:00","mean_motion":14.53448399,"altitude_km":714.408,"eccentricity":0.00870709,"inclination_deg":89.0162},{"utc":"2026-07-14T21:46:42.703680+00:00","mean_motion":

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/69800.json

QIANFAN-201 — Satellite Decay — TerraPulse