Here are my observations of the last launch. I can post earlier observations if desired. 'D' has about the same Intrinsic Mag as the payloads. 'B' is almost 2 magnitudes fainter. 2021 Mar 11 Thu evening *** Times are PM EST *** 1847 527 47694 OBJECT D 21-14D IM=48 LAR 5.0 20 52 42 238 67 25 5.9=57 0 3 686 33 737 71 646 25.6 H M S Azi El Dir Mg Dy F Ht Shd Rng Phs RA Dec 2021 Mar 13 Sat evening *** Times are PM EST *** 1850 523 H M S Azi El C Dir Mag Dy F Hgt Shd Rng Phs RA Dec 47695 YAOGAN-31J 21-14E IM=46 LAR 5.0 20 26 25 308 79 C 93 5.8=54 0 4 682 232 694 73 7 3 46.4 47691 YAOGAN-31G 21-14A IM=48 Lar 5.0 20 29 31 308 76 C 93 5.9=57 0 4 682 227 700 75 650 47.8 47693 YAOGAN-31H 21-14C IM=43 LAR 5.0 20 51 18 297 58 80 6.4=57 0 4 704 225 805 89 526 47.2 2021 Mar 14 Sun morning *** Times are AM EST *** 1850 523 47692 OBJECT B 21-14B IM=65 LAR 5.0 4 48 43 0 85 33 5.8=73 1 6 688 523 690 74 1619 45.3 H M S Azi El Dir Mag Dys F Hgt Shd Rng Phs R A Dec - Jay Respler Monroe Township, New Jersey On 3/16/21 9:58 AM, Bob Christy via Seesat-l wrote: > Space-Track classifies them as part of the launch vehicle. Maybe they are part of a stacking structure to hold the three satellites before release, It's possible they may be similar to the SYLDA used by Arianespace for multiple payloads. > > I've used material from a couple of my blog entries together with a detailed extract from my satellite database to pull together the following, it includes all catalogued debris: > https://www.zarya.info/Diaries/China/Yaogan/Yaogan31.php > > The page is not yet indexed at the website so you'll need to bookmark it to find it again. > > Does anyone have observations of, or comments on, the brightness of the objects that Space-Track classes as having a "Large" RCS? > > Bob Christy > >> On 16 Mar 2021, at 02:21, JAY RESPLER via Seesat-l <seesat-l_at_satobs.org> wrote: >> >> On the last few launches, there are 3 Yaogan and a rocket. >> What are the other 2 large objects? >> >> - >> Jay Respler >> Monroe Township, New Jersey >> >>> On 3/14/21 4:27 AM, C. Bassa via Seesat-l wrote: >>> Object E [47858/21020E] was seen. This is one of the 6 objects of the >>> YAOGAN 31 Group 04 launch which happened at 02:19UTC earlier on March >>> 13th. This object was clearly variable, so may be the rocket body. >> _______________________________________________ >> Seesat-l mailing list >> http://mailman.satobs.org/mailman/listinfo/seesat-l > _______________________________________________ > Seesat-l mailing list > http://mailman.satobs.org/mailman/listinfo/seesat-l _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Tue Mar 16 2021 - 13:17:43 UTC
This archive was generated by hypermail 2.4.0 : Tue Mar 16 2021 - 18:17:44 UTC