| In the following tables, d=day, h=hour, m=minute, s=second | |
| SUN: | |
| Mass | 4.385 x 1030 Ibm. 1.9891 x kg |
| Density | 88.0 Ib/cubic foot |
| Mean Radius | 432,474 miles |
| Gravity relative to earth | 28.01 |
| Rotation period | 25 d, 9 h, 7 m, 12 s����� |
| Number of moons | 0 |
| MERCURY: | |
| Mass� | 7.280 x 1023 Ibm, 3.3022 x1023kg |
| Density� | 339.0 Ib/cubic foot |
| Mean Radius� | 1516 miles |
| Max distance from the sun� | 43,770,000 miles |
| Min distance from the sun� | 28,580,000 miles |
| Gravity relative to earth� | 0.378 |
| Rotation period� | 58 d, 15 h, 30 m, 32 s |
| Revolution time around sun� | 87 d, 23 h, 15 m, 22 s |
| Orbital velocity� | 29.75 miles/second |
| Number of moons� | 0 |
| VENUS: | |
| Mass | 1.073 x 1025 Ibm, 4.869 x |
| Density | 327.1 Ib/cubic foot |
| Mean Radius | 3760 miles |
| Max distance from the sun | 67,730,000 miles |
| Min distance from the sun | 66,490,000 miles |
| Gravity relative to earth | 0.878 |
| Rotation period | 243 d, 0 h, 26 m, 56 s |
| Revolution time around sun | 224 d, 16 h, 49 m, 26 s |
| Orbital velocity… | 21.76 miles/second |
| Number of moons | 0 |
| EARTH: | |
| Mass | 1.317 x 1025 Ibm, 5.9/42 x 1024kg� |
| Density | 344.3 Ib/cubic foot |
| Mean Radius | 3963 miles |
| Max distance from the sun | 94,510,558 miles |
| Min distance from the sun | 91,403,702 miles |
| Gravity relative to earth | 1 |
| Rotation period | 23 h, 56 m, 4.099 s |
| Revolution time around sun | 365 d, 6 h, 9 m, 9.504 s |
| Orbital velocity | 18:51 miles/second |
| Number of moons | 1 |
| EARTH’S MOON: | |
| Mass | 1.620 x 1023 Ibm, 7.3483 x |
| Density | 208.5 Ib/cubic foot |
| Mean Radius | 1080 miles |
| Max distance from earth | 252,737 miles |
| Min distance from earth | 221,463 miles |
| Gravity relative to earth | 0.17 |
| Rotation period | 27 d, 7 h, 43 m, 11 s |
| Orbital velocity | 0.64 miles/second |
| MARS: | |
| Mass | 1.415 x 1024 Ibm, 6.4191 x Density246.0 Ib/cubic foot |
| Mean Radius | 2111 miles |
| Max distance from the sun | 154,700,000 miles���� |
| Min distance from the sun� | 127,400,000 miles�� |
| Gravity relative to earth | 0.38 |
| Rotation period | 1 d, 0 h, 37 m, 23 s |
| Revolution time around sun | 686 d, 23 h, 31 m, 12 s |
| Orbital velocity | 14.99 miles/second |
| Number of moons | 2, Deimos, Phobos |
| JUPITER: | |
| Mass | 4.186 x 1027 Ibm, 1.8988 x 1027kg |
| Density | 83.0 Ib/cubic foot |
| Mean Radius | 44,423 miles |
| Max distance from the sun� | 507,000,000 miles |
| Min distance from the sun | 459,800,000 miles |
| Gravity relative to earth | 2.364 |
| Rotation period | 9 h, 55 m, 30 s |
| Revolution time around sun | 12 years (4,332 d. 14 h, 8 m, 9 s) |
| Orbital velocity | 8.12 miles/second |
| Number of moons | 16, Adrastea, Metis, Amalthea, Thebe, lo, Europa, Ganymede, Callisto, Leda, Himalia, Lysithea, Elara, Ananke, Carme, Pasiphae, Sinope. |
| SATURN: | |
| Mass | 1.253 x 1027 Ibm, 5.685 x 1026kg |
| Density | 43.7 Ib/cubic foot |
| Mean Radius. | 37,449 miles |
| Max distance from the sun | 938,300,000 miles |
| Min distance from the sun | 838,900,000 miles |
| Gravity relative to earth | 0.916 |
| Rotation period | 10 h, 39 m, 22 s |
| Revolution time around sun | 29 years (10,759 d, 5 h, 16 m, 48 s) |
| Orbital velocity | 5.99 miles/second |
| Number of moons | 22+, Atlas, Prometheus, Pandora, Janus, Epimetheus, Mimas, Enceladus, Tethys, Telesto, Calypso, Dione, Helene, Rhea, Titan, Hyperion, lapetus, Phoebe, Pan. |
| URANUS: | |
| Mass | 1.910 x 1026lbm, 8.6625 x 1025kg |
| Density | 81.2 lb/cubic foot |
| Mean Radius | 15,882 miles |
| Max distance from the sun | 1,870,000,000 jiles |
| Min distance from the sun | 1,696,000,000 miles |
| Gravity relative to earth | 0.89 |
| Rotation period | 17 h, 14 m, 24 s |
| Revolution time around sun | 84 years (30,685 d, 9 h, 36 m) |
| Orbital velocity | 4.23 miles/second |
| Number of moons | 15, Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda, Puck, Miranda, Ariel, Umbriel, Titania, Oberon. |
| NEPTUNE: | |
| Mass | 2.266 x 1026 lbm, 1.0278 x 1023kg |
| Density | 109.9 lb/cubic foot |
| Mean Radius | 15,388 miles |
| Max distance from sun | 2,881,000,000 miles |
| Min distance from sun | 2,771,000,000 miles |
| Gravity relative to earth | 1.12 |
| Rotation period | 16 h, 6 m, 36 s |
| Revolution time around sun | 164 years (60; 189 d) |
| Orbital velocity | 3.38 miles/second |
| Number of moons | 8, Triton, Nereid, Naiad, Thalassa, Despina, Galatea, Larissa, Proteus. |
| PLUTO: | |
| Mass | 3.307 x 1022 lbm, 1.50000 x 1022kg |
| Density | 68.7 lb/cubic foot |
| Mean Radius | 715 miles |
| Max distance from sun | 4,580,000,000 miles |
| Min distance from sun | 2,765,000,000 miles |
| Gravity relative to earth | 0.07 |
| Rotation period | 6 d, 9 h, 17 m, 32 s |
| Revolution time around sun | 248 years (90,465 d) |
| Orbital velocity | 2.95 miles/second |
| Number of moons | 1, Charon |
