🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 8.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.71 AU - 0.8 AU

Year: 419 Days

Day: 14.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,662,216 km

• M1: 102,325 km (0.028 R)
• M2: 387,458 km (0.105 R)
• M3: 804,986 km (0.116 R)
• M4: 1,418,038 km (0.074 R)
• M5: 1,802,355 km (0.057 R)
• M6: 2,875,869 km (0.107 R)
• M7: 3,180,451 km (0.117 R)
• M8: 3,820,430 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 10

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,662,216 km

• M1: 124,615 km (0.102 R)
• M2: 454,329 km (0.036 R)
• M3: 1,036,564 km (0.083 R)
• M4: 1,518,418 km (0.111 R)
• M5: 1,980,676 km (0.066 R)
• M6: 2,493,198 km (0.065 R)
• M7: 2,890,231 km (0.053 R)
• M8: 3,316,734 km (0.106 R)
• M9: 3,869,349 km (0.086 R)
• M10: 4,220,754 km (0.102 R)
• M11: 5,211,092 km (0.052 R)
• M12: 6,269,946 km (0.074 R)
• M13: 6,987,866 km (0.114 R)
• M14: 7,333,886 km (0.078 R)
• M15: 7,691,275 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 8.2

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.97 AU - 1.25 AU

Year: 755 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,662,216 km

• M1: 102,026 km (0.088 R)
• M2: 474,375 km (0.092 R)
• M3: 834,307 km (0.099 R)
• M4: 1,480,570 km (0.096 R)
• M5: 1,884,185 km (0.095 R)
• M6: 2,252,196 km (0.081 R)
• M7: 2,703,533 km (0.116 R)
• M8: 3,435,515 km (0.108 R)
• M9: 4,276,854 km (0.116 R)
• M10: 4,772,621 km (0.102 R)
• M11: 5,401,979 km (0.068 R)
• M12: 7,147,038 km (0.087 R)
• M13: 7,406,740 km (0.119 R)
• M14: 7,945,143 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 11.5

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.1 AU - 1.14 AU

Year: 765 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 120.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,662,216 km

• M1: 143,016 km (0.073 R)
• M2: 520,900 km (0.09 R)
• M3: 955,482 km (0.075 R)
• M4: 1,367,025 km (0.099 R)
• M5: 1,764,357 km (0.075 R)
• M6: 2,376,661 km (0.071 R)
• M7: 2,997,642 km (0.05 R)
• M8: 3,753,859 km (0.112 R)
• M9: 4,137,728 km (0.093 R)
• M10: 4,497,211 km (0.059 R)
• M11: 4,948,997 km (0.074 R)
• M12: 7,045,761 km (0.092 R)
• M13: 7,778,940 km (0.104 R)
• M14: 8,852,454 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 9.1

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.61 AU - 2.29 AU

Year: 1758 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,662,216 km

• M1: 113,994 km (0.118 R)
• M2: 473,926 km (0.054 R)
• M3: 835,953 km (0.111 R)
• M4: 1,172,847 km (0.08 R)
• M5: 1,640,789 km (0.066 R)
• M6: 2,106,338 km (0.069 R)
• M7: 2,504,717 km (0.04 R)
• M8: 2,907,285 km (0.092 R)
• M9: 3,488,174 km (0.103 R)
• M10: 4,461,457 km (0.057 R)
• M11: 4,880,631 km (0.093 R)
• M12: 6,401,442 km (0.094 R)
• M13: 6,990,559 km (0.107 R)
• M14: 7,412,724 km (0.062 R)
• M15: 8,621,924 km (0.091 R)
• M16: 9,041,845 km (0.078 R)
• M17: 9,611,663 km (0.091 R)
• M18: 11,659,060 km (0.085 R)
• M19: 12,993,024 km (0.105 R)
• M20: 14,069,381 km (0.09 R)
• M21: 14,788,797 km (0.118 R)
• M22: 16,398,769 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 13.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.3 AU - 3.66 AU

Year: 4192 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,662,216 km

• M1: 167,849 km (0.087 R)
• M2: 833,111 km (0.093 R)
• M3: 1,453,343 km (0.079 R)
• M4: 2,704,430 km (0.077 R)
• M5: 3,546,218 km (0.066 R)
• M6: 4,359,282 km (0.061 R)
• M7: 5,321,047 km (0.089 R)
• M8: 5,987,505 km (0.083 R)
• M9: 6,774,240 km (0.066 R)
• M10: 8,748,334 km (0.056 R)
• M11: 9,636,646 km (0.117 R)
• M12: 10,102,943 km (0.085 R)
• M13: 10,584,349 km (0.108 R)
• M14: 11,593,237 km (0.108 R)
• M15: 15,232,504 km (0.099 R)
• M16: 16,698,713 km (0.1 R)
• M17: 18,841,553 km (0.117 R)
• M18: 20,322,123 km (0.098 R)
• M19: 24,128,491 km (0.093 R)
• M20: 25,389,302 km (0.056 R)
• M21: 26,199,374 km (0.106 R)
• M22: 27,956,551 km (0.1 R)
• M23: 28,907,844 km (0.07 R)
• M24: 30,059,598 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 8.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.44 AU - 3.8 AU

Year: 4447 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,662,216 km

• M1: 108,309 km (0.071 R)
• M2: 1,517,820 km (0.062 R)
• M3: 1,869,076 km (0.073 R)
• M4: 2,164,232 km (0.049 R)
• M5: 2,611,979 km (0.119 R)
• M6: 2,899,506 km (0.099 R)
• M7: 3,172,971 km (0.103 R)
• M8: 3,771,961 km (0.099 R)
• M9: 4,809,572 km (0.1 R)
• M10: 6,219,831 km (0.079 R)
• M11: 11,948,382 km (0.098 R)
• M12: 13,391,403 km (0.104 R)
• M13: 14,746,311 km (0.103 R)
• M14: 16,728,183 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit