COSMOS 1861

Launch Details
Launched 22 June 1987
Flight ended –
Status Unknown
Launch site Plesetsk Missile and Space Complex, Russia
Owner Commonwealth of Independent States (former USSR)
NORAD ID 18129
COSPAR ID 1987-054A
Observing

Current orbital elements

Inclination 82.930°
Eccentricity 0.00119
RA ascending node 11.104 hr
Argument perigee 5.724°
Mean anomaly 4.769°
Orbital period 104.862 min
Epoch of osculation 15 Sep 2025, 00:16

See historical orbital elements »

Derived Quantities

Min Altitude 986.3 km
Mean Altitude 995.1 km
Peak Altitude 1003.9 km

Orbital History

Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.

Launched alongside

SL-8 R/B SL-8 DEB SL-8 DEB

Share

South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


© Dominic Ford 2011–2025.

For more information including contact details, click here.
Our privacy policy is here.
Last updated: 17 Sep 2025, 18:52 UTC
Website designed by .

Site hosted by