Pioneer 11 Posted on 09 January 202110 January 2021 By admin Pioneer 11 SCET (UTC) Event06-04-197302:11:00Launch03-12-197408:21Callisto flyby (786,500km)03-12-197422:09Ganymede flyby (692,300km)04-12-197403:11Io flyby (314,000km)04-12-197404:15Europa flyby (586,700km)04-12-197405:00:21Jupiter shadow entry04-12-197405:01:01Jupiter occultation entry04-12-197405:21:19Jupiter Flyby (altitude 42,828km)04-12-197405:33:52Jupiter shadow exit04-12-197405:43:03Jupiter occultation exit04-12-197422:29Amalthea flyby (127,500km)01-11-1977Saturn flyby strategy defined13-07-1978Trim maneuvre to set up Saturn flyby28-08-197913:26:19Precession adjustment maneuvre28-08-197917:46:32Precession adjustment maneuvre29-08-197906:06:10Iapetus closest approach (1,032,535km)29-08-197911:53:33Phoebe closest approach (13,713,574km)31-08-197912:32:33Hyperion closest approach (666,153km)01-09-197914:26:56Descending ring plane crossing01-09-197914:50:51Radiation instruments readings plunge to nearly zero01-09-197914:50:55Epimetheus closest approach (6,676km)01-09-197914:50:59Radiation instruments back to previous levels. Exit wake of as then undiscovered moon.01-09-197915:06:32Atlas closest approach (45,960km)01-09-197915:59:30Dione closest approach (291,556km)01-09-197916:26:28Mimas closest approach (104,263km)01-09-197916:29:34Saturn Flyby (altitude: 20,591km)01-09-197916:35Saturn occultation entry01-09-197916:35:57Saturn shadow entry01-09-197916:51:11Janus closest approach (228,988km)01-09-197917:53:32Saturn occultation exit01-09-197917:54:47Saturn shadow exit01-09-197918:21:59Ascending ring plane crossing01-09-197918:25:34Tethys closest approach (329,197km)01-09-197918:30:14Enceladus closest approach (222,027km)01-09-197920:04:13Calypso closest approach (109,916km)01-09-197922:15:27Rhea closest approach (345,303km)02-09-197918:00:33Titan closest approach (362,962km)30-09-1995End of science mission30-11-1995Last signal received01-09-200916:3430th anniversary of Saturn flyby06-04-201302:11:0040 years of flight01-01-2099in 4 million years: Lambda Aquilla flyby