Editing Energia (rocket) (section)

=== Second launch (Energia–Buran) ===
[[File:CCCP Buran.png|left|thumb|150x150px|Buran shuttle on Energia launch vehicle]]
The second flight, and the first one where payload successfully reached orbit, was launched on 15 November 1988. This mission launched the uncrewed Soviet Shuttle vehicle [[Buran (spacecraft)|Buran]]. At apogee, the Buran spacecraft made a 66.7&nbsp;m/s burn to reach a final orbit of 251&nbsp;km × 263&nbsp;km.<ref name="Hendrickx" /><ref name=Wade>Mark Wade, ''Encyclopedia Astronautics'', [https://web.archive.org/web/20011225045427/http://www.astronautix.com/craft/buran.htm Buran].  (accessed 21 September 2010).</ref>

{| class="wikitable sortable"
|+Energia Flights
|-
! Flight number<br /><small>([[International Designator|COSPAR&nbsp;ID]])</small>
! Date (UTC)
! Launch site
! Serial no.
! Payload
! Orbit at payload separation
! Remarks
|-
| 1
| 15 May 1987<br />17:30:00
| [[Baikonur Cosmodrome]] [[Baikonur Cosmodrome Site 250|Site 250]]
| 6SL<ref name="BR_Energia_Serials">{{cite web |last=Lukashevich |first=Vadim |title=Manufacturing History of the Energia Launch Vehicle |url=http://www.buran.ru/htm/rocrt3.htm |access-date=25 January 2018 |website=buran.ru |language=ru}}</ref>
|[[Polyus (spacecraft)|Polyus]]
| −15 × 155&nbsp;km × 64.61°<ref name="BR_Polyus_Flight">{{cite web |last=Lukashevich |first=Vadim |title=The Polyus Spacecraft |url=http://www.buran.ru/htm/cargo.htm |access-date=25 January 2018 |website=buran.ru |language=ru}}</ref>
| Spacecraft software error led to orbit insertion burn performed in incorrect attitude and payload re-entered atmosphere without entering orbit.<ref name="StarWars">{{cite web |last1=Day |first1=Dwayne A. |last2=Kennedy |first2=Robert G. III |date=January 2010 |title=Soviet Star Wars: The launch that saved the world from orbiting laser battle stations |url=https://www.airspacemag.com/space/soviet-star-wars-8758185/ |access-date=25 January 2018 |publisher=[[Air & Space/Smithsonian]]}}</ref>
|-
| 2<br /><small>(1988-100A)</small>
| 15 November 1988<br />03:00:01
| [[Baikonur Cosmodrome]] [[Baikonur Cosmodrome Site 110|Site 110/37]]
| 1L<ref name="BR_Energia_Serials" />
| [[Buran (spacecraft)|Buran]]
| −11.2 × 154.2&nbsp;km × 51.64°<ref name="BR_Buran_Flight_Timeline">{{cite web |last=Lukashevich |first=Vadim |title=Timeline of the flight of Buran on 15 November 1988 |url=http://www.buran.ru/htm/cikmain.htm |access-date=25 January 2018 |website=buran.ru |language=ru}}</ref><br />After burn: 251 x 263 km<ref name=Wade />
| First and only flight of [[Buran (spacecraft)|Buran]]. The spacecraft orbited Earth twice before de-orbiting and landed at Baikonur at 06:24 UTC.
|}