Blok-L
E529485
Blok-L is a Soviet-era rocket upper stage used primarily to place payloads into highly elliptical orbits, notably for Molniya communications satellites.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T5595778 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blok-L Context triple: [Molniya-M, upperStage, Blok-L]
-
A.
Blok DM
Blok DM is a Russian upper stage used primarily on Proton and Zenit launch vehicles to deliver payloads into high-energy orbits such as geostationary transfer and lunar trajectories.
-
B.
Balok
Balok is the alien commander from the original Star Trek episode "The Corbomite Maneuver," known for testing the Enterprise crew with a deceptive display of power.
-
C.
Y-blokka
Y-blokka was a modernist government office building in Oslo, Norway, renowned for its distinctive Y-shaped design and integrated Pablo Picasso murals.
-
D.
Block O
Block O is the famously large and energetic student cheering section for Ohio State Buckeyes football games at Ohio Stadium.
-
E.
S-blokka
S-blokka is a government office building in Oslo, Norway, that forms part of the Norwegian Government Quarter complex.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blok-L Target entity description: Blok-L is a Soviet-era rocket upper stage used primarily to place payloads into highly elliptical orbits, notably for Molniya communications satellites.
-
A.
Blok DM
Blok DM is a Russian upper stage used primarily on Proton and Zenit launch vehicles to deliver payloads into high-energy orbits such as geostationary transfer and lunar trajectories.
-
B.
Balok
Balok is the alien commander from the original Star Trek episode "The Corbomite Maneuver," known for testing the Enterprise crew with a deceptive display of power.
-
C.
Y-blokka
Y-blokka was a modernist government office building in Oslo, Norway, renowned for its distinctive Y-shaped design and integrated Pablo Picasso murals.
-
D.
Block O
Block O is the famously large and energetic student cheering section for Ohio State Buckeyes football games at Ohio Stadium.
-
E.
S-blokka
S-blokka is a government office building in Oslo, Norway, that forms part of the Norwegian Government Quarter complex.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf | rocket upper stage ⓘ |
| application |
civil communications
ⓘ
data relay services ⓘ military communications ⓘ |
| category |
Soviet rocket stages
ⓘ
upper stages for communications satellites ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designedFor |
Molniya launch vehicle
NERFINISHED
ⓘ
Proton launch vehicle variants ⓘ R-7 derived launch vehicles ⓘ |
| developedIn | 1960s ⓘ |
| era | Cold War ⓘ |
| heritage | R-7 rocket family ⓘ |
| launchRole | fourth stage ⓘ |
| launchSiteUsed |
Baikonur Cosmodrome
NERFINISHED
ⓘ
Plesetsk Cosmodrome NERFINISHED ⓘ |
| manufacturer | Soviet aerospace industry ⓘ |
| missionProfile | apogee kick for elliptical orbits ⓘ |
| notablePayload | Molniya series communications satellites NERFINISHED ⓘ |
| operatedBy |
Soviet military space forces
NERFINISHED
ⓘ
Soviet space program NERFINISHED ⓘ |
| orbitTypeTargeted |
Molniya orbit
NERFINISHED
ⓘ
highly elliptical orbit ⓘ |
| oxidizer | liquid oxygen ⓘ |
| partOf | Soviet launch vehicle upper stage family ⓘ |
| propellantType |
kerosene
ⓘ
liquid oxygen ⓘ |
| propulsionType | liquid-fueled rocket engine ⓘ |
| stageNumber | upper stage ⓘ |
| status | retired ⓘ |
| usedFor |
injection into Molniya orbit
ⓘ
injection into highly elliptical orbit ⓘ injection of payloads into high apogee orbits ⓘ launch of Molniya communications satellites ⓘ launch of early Soviet communications satellites ⓘ |
| usedFrom | 1960s ⓘ |
| usedIn |
Earth orbit missions
ⓘ
Soviet military communications missions ⓘ communications satellite missions ⓘ |
| usedWith |
Molniya-M launch vehicle
NERFINISHED
ⓘ
Proton-K launch vehicle variants NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Blok-L Description of subject: Blok-L is a Soviet-era rocket upper stage used primarily to place payloads into highly elliptical orbits, notably for Molniya communications satellites.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Molniya-M
this entity surface form:
Blok L