🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.48 AU - 0.66 AU

Year: 274 Days

Day: 42.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,676,458 km

• M1: 30,219 km (0.095 R)
• M2: 109,805 km (0.087 R)

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.7

Radius: 12.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.48 AU - 1.9 AU

Year: 1397 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,676,458 km

• M1: 160,369 km (0.089 R)
• M2: 585,975 km (0.051 R)
• M3: 1,174,642 km (0.099 R)
• M4: 1,728,753 km (0.056 R)
• M5: 2,274,785 km (0.038 R)
• M6: 2,882,601 km (0.077 R)
• M7: 4,186,646 km (0.097 R)
• M8: 5,221,265 km (0.058 R)
• M9: 5,746,802 km (0.071 R)
• M10: 7,192,366 km (0.115 R)
• M11: 7,844,314 km (0.116 R)
• M12: 9,065,930 km (0.069 R)
• M13: 10,662,887 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.1

Radius: 9.2

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.6 AU - 2.2 AU

Year: 1665 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,676,458 km

• M1: 114,442 km (0.115 R)
• M2: 423,512 km (0.107 R)
• M3: 909,256 km (0.09 R)
• M4: 1,461,272 km (0.046 R)
• M5: 1,918,742 km (0.108 R)
• M6: 2,599,861 km (0.07 R)
• M7: 3,122,856 km (0.11 R)
• M8: 3,647,046 km (0.077 R)
• M9: 4,228,833 km (0.096 R)
• M10: 4,551,964 km (0.102 R)
• M11: 4,994,774 km (0.055 R)
• M12: 5,378,193 km (0.082 R)
• M13: 6,723,826 km (0.089 R)
• M14: 7,379,962 km (0.107 R)
• M15: 7,849,999 km (0.113 R)
• M16: 8,487,884 km (0.1 R)
• M17: 8,973,179 km (0.069 R)
• M18: 10,644,636 km (0.114 R)
• M19: 10,995,144 km (0.094 R)
• M20: 12,436,819 km (0.104 R)
• M21: 13,343,831 km (0.12 R)
• M22: 14,000,416 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 12.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.15 AU - 2.29 AU

Year: 2103 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,676,458 km

• M1: 150,944 km (0.051 R)
• M2: 753,824 km (0.082 R)
• M3: 1,149,360 km (0.11 R)
• M4: 1,796,371 km (0.03 R)
• M5: 2,803,763 km (0.092 R)
• M6: 3,729,475 km (0.045 R)
• M7: 4,880,481 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 13.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.71 AU - 2.93 AU

Year: 3011 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,676,458 km

• M1: 164,408 km (0.081 R)
• M2: 575,353 km (0.065 R)
• M3: 1,190,350 km (0.083 R)
• M4: 1,947,615 km (0.096 R)
• M5: 3,942,502 km (0.117 R)
• M6: 4,591,009 km (0.118 R)
• M7: 5,123,278 km (0.089 R)
• M8: 6,431,362 km (0.079 R)
• M9: 6,846,795 km (0.056 R)
• M10: 8,006,628 km (0.094 R)
• M11: 9,541,651 km (0.096 R)
• M12: 10,512,093 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 10.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.32 AU - 3.66 AU

Year: 3287 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,676,458 km

• M1: 125,662 km (0.068 R)
• M2: 678,426 km (0.085 R)
• M3: 1,065,586 km (0.115 R)
• M4: 1,435,990 km (0.087 R)
• M5: 1,816,567 km (0.06 R)
• M6: 2,635,615 km (0.077 R)
• M7: 2,993,753 km (0.107 R)
• M8: 3,502,086 km (0.12 R)
• M9: 4,595,796 km (0.105 R)
• M10: 5,274,073 km (0.115 R)
• M11: 5,818,460 km (0.118 R)
• M12: 6,460,085 km (0.097 R)
• M13: 8,744,594 km (0.089 R)
• M14: 9,468,947 km (0.11 R)
• M15: 13,012,172 km (0.102 R)
• M16: 14,627,530 km (0.089 R)
• M17: 20,141,109 km (0.075 R)
• M18: 20,599,926 km (0.06 R)
• M19: 22,295,917 km (0.117 R)
• M20: 22,716,437 km (0.09 R)
• M21: 25,275,607 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 11.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.08 AU - 4.16 AU

Year: 4379 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,676,458 km

• M1: 144,212 km (0.064 R)
• M2: 571,165 km (0.112 R)
• M3: 1,494,632 km (0.058 R)
• M4: 1,856,061 km (0.085 R)
• M5: 2,450,862 km (0.098 R)
• M6: 2,876,318 km (0.034 R)
• M7: 3,369,842 km (0.06 R)
• M8: 5,718,079 km (0.051 R)
• M9: 6,186,171 km (0.051 R)
• M10: 7,105,899 km (0.105 R)
• M11: 7,647,742 km (0.079 R)
• M12: 8,216,962 km (0.087 R)
• M13: 8,778,253 km (0.113 R)
• M14: 9,365,126 km (0.116 R)
• M15: 9,861,043 km (0.055 R)
• M16: 12,426,347 km (0.067 R)
• M17: 13,025,636 km (0.08 R)
• M18: 15,302,815 km (0.116 R)
• M19: 20,504,034 km (0.107 R)
• M20: 22,878,900 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 10.5

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.67 AU - 3.83 AU

Year: 4617 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,676,458 km

• M1: 130,599 km (0.104 R)
• M2: 460,612 km (0.111 R)
• M3: 1,097,899 km (0.099 R)
• M4: 1,438,533 km (0.045 R)
• M5: 2,358,111 km (0.111 R)
• M6: 2,937,354 km (0.075 R)
• M7: 3,374,479 km (0.102 R)
• M8: 3,947,140 km (0.048 R)
• M9: 4,845,625 km (0.083 R)
• M10: 5,575,662 km (0.119 R)
• M11: 9,329,372 km (0.084 R)
• M12: 10,915,558 km (0.063 R)
• M13: 15,834,336 km (0.1 R)
• M14: 19,279,725 km (0.095 R)
• M15: 22,584,491 km (0.115 R)
• M16: 24,053,542 km (0.101 R)
• M17: 27,611,728 km (0.094 R)
• M18: 28,486,875 km (0.106 R)
• M19: 29,110,399 km (0.058 R)
• M20: 30,477,125 km (0.093 R)
• M21: 31,223,320 km (0.075 R)
• M22: 31,886,188 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 12.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.93 AU - 4.61 AU

Year: 5610 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,676,458 km

• M1: 161,117 km (0.118 R)
• M2: 728,392 km (0.11 R)
• M3: 1,132,456 km (0.077 R)
• M4: 1,821,653 km (0.079 R)
• M5: 2,437,548 km (0.087 R)
• M6: 5,154,843 km (0.092 R)
• M7: 6,145,331 km (0.077 R)
• M8: 6,818,073 km (0.089 R)
• M9: 9,883,183 km (0.104 R)
• M10: 12,983,001 km (0.102 R)
• M11: 13,875,950 km (0.111 R)
• M12: 15,092,032 km (0.097 R)
• M13: 17,233,376 km (0.096 R)
• M14: 21,169,595 km (0.119 R)
• M15: 22,480,820 km (0.052 R)
• M16: 24,312,496 km (0.095 R)
• M17: 26,572,771 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 10,484 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit