The local space context of Langfang as this registry holds it — the catalogued human footprint on the ground around it, the orbits that can pass overhead, and the geostationary belt seen from here.
| position | 39.521° N, 116.715° E | GeoNames (geonames.org) — CC BY 4.0 |
|---|---|---|
| population | 868,066 inhabitants | GeoNames (geonames.org) — CC BY 4.0 |
| site | distance · bearing | position | source layer |
|---|---|---|---|
| 51St Base, Fengrun, Tangshan, Hebei province | 124 km ENE (72°) | 39.856° N, 118.093° E | gcat-sites |
| Huludao Shipyard test site | 371 km ENE (68°) | 40.700° N, 120.800° E | gcat-sites |
| 822 Brigade missile base, Laiwu, Shangdong province | 376 km SSE (166°) | 36.235° N, 117.716° E | gcat-sites |
| Bohai launch area (Some Yellow Sea launches may also be here) | 379 km ESE (106°) | 38.500° N, 120.900° E | gcat-sites |
| Jinzhou missile base, Liaoning province | 421 km ENE (62°) | 41.190° N, 121.170° E | gcat-sites |
| Taiyuan weixing fashe zhongxin | 423 km WSW (239°) | 37.500° N, 112.600° E | gcat-sites |
| 410 Brigate Missile Base, Dengshahe, Liaoning province | 460 km E (92°) | 39.229° N, 122.054° E | gcat-sites |
| Haiyang test site, Shandong | 495 km SE (126°) | 36.800° N, 121.200° E | gcat-sites |
| Jianggezhuang Submarine Base | 509 km SE (137°) | 36.104° N, 120.579° E | gcat-sites |
| Space Pioneer Gongyi Static Test Site | 626 km SSW (212°) | 34.709° N, 113.051° E | gcat-sites |
| Huang Hai CZ-11 launch zone | 649 km SE (141°) | 34.900° N, 121.190° E | gcat-sites |
| Uiju launch location, N Pyongan province, N Korea | 674 km E (83°) | 40.026° N, 124.578° E | gcat-sites |
| Dongrim (Tongrim), N Pyongan Prov. | 684 km E (84°) | 39.900° N, 124.700° E | gcat-sites |
| Sohae Launch Site, Tongch'ang-dong, Pyongang-bukdo (N Pyongan Prov), N Korea | 685 km E (86°) | 39.660° N, 124.706° E | gcat-sites |
| Sonchon, N Pyongan Prov. | 701 km E (85°) | 39.800° N, 124.900° E | gcat-sites |
| … and 39 more within 1000 km | |||
| site | distance · bearing | position | source layer |
|---|---|---|---|
| MUSCOVY | 285 km SSW (193°) | 37.017° N, 115.995° E | nuclear-tests |
Distances are great-circle on a sphere of mean radius 6,371 km; bearings are initial true bearings from the city. Each position is the source catalogue's own, read back from the registry.
Of the 23,251 artificial objects the registry places in Earth orbit on 2026-10-18, 19,990 fly orbits whose ground track reaches 39.521° N, so they can pass directly overhead; the other 3,261 never reach this latitude.
| space station | inclination | can pass overhead |
|---|---|---|
| Bai Xiang | 85.0° | yes |
| International Space Station (+3 docked records) | 51.6° | yes |
| Kosmos-382 | 55.9° | yes |
| Tianhe | 41.5° | yes |
Computed: an orbit's equatorial inclination bounds the latitudes its track reaches (inclination i, or 180° − i when retrograde), from the orbital elements the registry holds. «Can pass overhead» is geometry, not a schedule — when, and whether it is lit and visible, depends on the hour.
The geostationary belt arcs across the southern sky and stands 44.3° above the horizon due south — the elevation to aim at for a satellite at this city's own longitude. Computed: spherical Earth (equatorial radius 6,378.137 km), circular orbit of one sidereal day (42,164 km); good to a few tenths of a degree.
/sim.html#sel=EARTH&tn=1,
then stand at Langfang in Stargazing — it computes which satellites are visible now, from this
registry, in your browser.