Helios 2A

 2004-049A

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Second generation Franco-German recon sat, by Astrium (Matra Marconi Space/Toulouse). Launch by Ariane 5 with ASAP5 carrying Nanosat, Parasol, Essaim 1-4 into a 665 x 666 km x 98.1 deg orbit. The EPS depletion lowered the rocket stage's perigee to 608 km, while the ASAP payloads had slightly lower perigees than Helios, between 650 and 657 km.

Mass 4200 kg. Size 6.0 x 3.7 x 3.4m

Resolution is believed to be 0.5m.

Helios 2A
Date	Time	Event	Orbit
		T-0:07 EPC MES
2004 Dec 18	1626	T+0:00 Launch by Ariane 5G+ 520 (V165)	CSG ELA3
	1628:10	62 km, 2.04 km/s	-6180 x 90 ?
		T+2:14 EAP sep at 72 km
	1629:15	118 km, 2.21 km/s	-6130 x 150 ?
	1629:21	T+3:21 Fairing sep
	1630:20	160 km, 2.5 km/s	-6100 x 200 ?
	1634	205 km, 4.5 km/s	-5100 x 300?
	1635	T+9:47 EPC MECO
		T+9:53 EPC sep at 361 km	-2500 x 600 ??
	1635:59?	T+9:59 EPS burn
	1637:20	477 km, 6.55 km/s	-2500 x 600 ?
	1646		-1800 x 750 ?
	1651	Perigee positive?
	1652	T+26:54 EPS MECO at 680 km
	1658?	EPC impact Arctic
	1726	T+1:00:01 Helios 1A sep
	1732	T+1:06:08 Nanosat sep
	1732	T+1:06:29 ESSAIM 1 and 4 sep
	1732	T+1:06:30 ESSAIM 2 and 3 sep
	1734	T+1:08:27 Parasol sep
2004 Dec 19	0221		98.06 665 x 666 x 98.1
2004 Dec 22		Raise orbit	98.34 677 x 689 x 98.1
2004 Dec 25			98.39 680 x 682 x 98.1

June 2,2004

 https://en.wikipedia.org/wiki/Carl_Sagan

Nadezhda 7

 2002-046A

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Coplanar with 1991-19A. 17F118M No. 65006411.

Nadezhda-M
Date	Time	Event	Orbit
2002 Sep 26	1427:14	Launch by Kosmos-3M	PL LC132
	1429:23	St 1 MECO
	1429:25	T+2:12 St 1 sep
	1429:25	Stage 2 burn
	1429:40	Fairing sep
	1435:09	T+8:05 St 2 MECO	150? x 965? x 83
	1529:40	T+1:02:16 St 2 MES 0.232 km/s?
	1529:55	St 2 MECO2
	1530:14	St 2 sep
2002 Sep 27			104.93 965 x 1016 x 82.93
2002 Oct 19			104.93 965 x 1016 x 82.94

LAGEOS 1

  1976-039A

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The Laser Geodetic Satellite was a 1970s NASA-MSFC program to provide a precise geodetic target. In the 1980s the Italian Space Agency funded and built a copy of Lageos, Lageos 2, which was launched in 1992.

Lageos was built by NASA-GSFC for a program managed by NASA-MSFC under NASA's EODAP (Earth and Ocean Dynamics Applications Program). The satellite was a sphere 0.60 m in diameter. It consisted of a brass core surrounded by two aluminum hemispheres studded with 426 laser retroreflectors. This low drag satellite was used as a laser target for precise geodetic measurements. It provided direct evidence for plate tectonic motion (`continental drift').

Lageos was launched at 0800 on 1976 May 4 by a Delta 2913 launch vehicle from Space Launch Complex 2-West at Vandenberg Air Force Base. The Delta No. 123 second stage entered a 169 km apogee suborbital path at 0808. The Star 37D third stage burned at 0811 to place the payload in a 309 km x 5920 km x 109 degree transfer orbit. At 0932, the TE-M-604-1 solid apogee motor ignited, and at 0935 it separated, placing Lageos in its final 5837 x 5945 km x 109.9 deg orbit. 

Lageos
Date	Time	Event	Orbit
1976 May 4	0800:00?	Launch by Delta 2913
		T+0:38 SRM 1-6 out
		T+0:39 SRM 7-9 on
		T+1:17 SRM 7-9 out
		T+1:27 SRM 1-9 sep
		T+3:50 MECO
	0803	T+3:57 Thor sep
	0804:03	T+4:03 SES-1 4:46
		T+5:25 Fairing
	0808:49	T+8:49 SECO-1
			-1440 x 309 x 109.7
	0811:30	T+11:30 Spinup
	0811:32?	Stage 2 sep
	0811:34	T+11:34 TES 1670 m/s
	0813:02	T+13:02 TECO	309 x 5920 x 109
	0814:14	T+14:14 Stage 3 sep
	0823?	Stage 2 reentry
	0931:19?	A+0 AKM 916.5m/s
	0931:49	T+1:31:49 AKM burnout A+30?
	0935:11	A+3:22 (T+1:35:11) AKM sep