Spot satellite technical data 2/4 SPOT 5 SPOT 4 SPOT 1, 2 & 3 Launch date May 4, 2002 March 24, 1998 ... Altitude control Earth-pointing and yaw-axis controlled (to compensate for HIIHFWVG XHWR ( DUWK¶VU RWDWLRQ Orbital period Orbital cycle Total mass 3,000 kg 2,760 kg 1,800 kg Deste modo é possível tirar imagens em estereopar quase simultaneamente com mapas de relevo. a day. In 2013, CNES lowered the altitude of SPOT 4 by 2.5 km to put it on a phased orbit with a five-day repeat cycle. The data set it produced is aimed at helping future users of the SPOT 5 was launched on May 4, 2002 and has the goal to ensure continuity of services for customers and to improve the quality of data and images by anticipating changes in market requirements. It is the orbit used by the Global Positioning System (GPS) satellites. southwards. SPOT Image is marketing the high-resolution images, which SPOT can take from every corner of the Earth. (due to unfavourable weather conditions, for example) it is still possible to launch the However, there are two exceptions: Pour un capteur enregistrant l'énergie dans la partie visible du spectre d'énergie, quels sont les avantages et les désavantages d'un passage au-dessus de l'équateur (heure solaire locale) a) tôt le matin, b) autour de midi, et c) au milieu de l'après-midi?Vous ne recevrez pas de réponse. satellite, which then gets ahead in the phasing compared with a "reference" requirement result in a 9-minute launch window.The target time is that of the beginning, so that if there are delays in the countdown The time taken for final orbit acquisition depends on the drift velocity.SPOT 4 must be placed on its final orbit within 18 days.The strategy outlined in the paragraph on the basic principle of  "final The two spectral modes are panchromatic and multispectral. Deorbiting of SPOT 2, in accordance with IADC (SPOT 4 launched March 24, 1998 and stopped functioning July, 2013.

LLe satellite Spot 5 est équipé de capteurs qui permettent d'accéder à une résolution spatiale de 5 m, voire 2,5 m après traitement des données, pour un champ d'observation global de 60 km. They have a scene size of 3600 kmBecause the orbit of SPOT 1 was lowered in 2003, it will gradually lose altitude and break up naturally in the atmosphere.
O SPOT 6/7 com 1,50 m de resolução em P&B ou colorido e 6 m colorido é uma solução tanto para pequenas como para grandes áreas, Estados ou Países completos. The semi-synchronous orbit is a near-circular orbit (low eccentricity) 26,560 kilometers from the center of the Earth (about 20,200 kilometers above the surface). Afin de corriger la trajectoire, un centre de contrôle sur Terre envoie des instructions au satellite pour le replacer sur son orbite. Quels sont les avantages des capteurs placés à bord des satellites par rapport aux capteurs placés à bord d'un avion? A satellite at this height takes 12 hours to complete an orbit. Change how you see altitude. The inclination of the orbital plane combined with the rotation of the Earth around the polar axis allows the satellite to fly over any point on Earth within 26 days. The exact time of the beginning of the launch window is 1:37 (Universal Time Launch and final orbit acquisition. SPOT 4 can fulfil its mission.Satellite "slowing" lowers the In the bottom right corner, you'll also see the camera's altitude. [1] 1ª geração: SPOT 1, 2 e 3. part, by launching northwards from Kourou, or in the descending part, by launching SpaceX launched 60 new satellites into orbit today (Nov. 11). The SPOT 4 satellite is ready on the ground. It must also Dans la section précédente, nous avons vu que les capteurs peuvent être placés sur différentes plates-formes. Theoretically, it is possible to place SPOT in polar orbit either in the ascending the operational orbit, just described, and to 'position' it with respect to the other SPOT other SPOT satellites.

scheduled so that the phasing at 60° North remains below 5 km. the ascending orbit, when Kourou is near the local time of the orbit's ascending node Certaines caractéristiques propres aux satellites en font des instruments particulièrement utiles pour l'acquisition d'information sur la surface de la Terre.La trajectoire effectuée par un satellite autour de la Terre est appelée D'autres plates-formes spatiales suivent une orbite allant pratiquement du nord au sud ou vice versa. It will be launched by an Ariane 40 version A sua órbita tem uma altitude de 822 km, inclinação de 98.7 graus e 14 + 5/26 revoluções por dia, aproximadamente. described: You can change how Google Earth measures altitude and distance. 6 En appliquant cette loi aux deux satellites étudiés, déduire la valeur de l’altitude h M du satellite Météosat. is in fact kept within one or two minutes of 10:30. checked and controlled during phase adjustment manoeuvres.Approximately once every 18 months, an inclination correction manoeuvre is altitude over a defined point on Earth remains constant to within 5 km. SPOT products monitor your location, connecting to emergency responders while out of cellular range. The inclination Ces capteurs sur plate-forme spatiale ont-ils des désavantages?2. SPOT en mode panchromatique Lorsque le satellite SPOT parcourt son orbite, il observe une large bande terrestre de plusieurs dizaines de kilomètres de large. the only passenger on board.The launch vehicle is not designed to place SPOT 4 on its final orbit.As Ariane is launched from Kourou in French Guiana, the launch must take place when, Ces satellites géostationnaires ont une altitude d'environ 36 000 kilomètres et se déplacent à une vitesse qui correspond à celle de la Terre, donnant ainsi l'impression qu'ils sont stationnaires. The panchromatic band has a resolution of 10 meters, and the three multispectral bands (G, R, NIR) have resolutions of 20 metres. The SPOT satellite will be

cases. The orbit has an altitude of 832 kilometers, an inclination of 98.7°, and completing 14 + 5/26 revolutions per day. Oferecem uma resolução mais alta: 2.5 a 5 metros em modo pan-cromático, e 10 metros em modo multiespectral. limit of 5 km.The difference between local time and