🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 6.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,605,274 km

• M1: 155,432 km (0.078 R)
• M2: 579,393 km (0.111 R)
• M3: 1,167,611 km (0.089 R)
• M4: 1,630,617 km (0.07 R)
• M5: 2,025,705 km (0.062 R)
• M6: 2,430,068 km (0.051 R)
• M7: 3,371,038 km (0.099 R)
• M8: 3,767,473 km (0.092 R)
• M9: 4,786,982 km (0.08 R)
• M10: 5,322,094 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.7

Radius: 13.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.82 AU - 1.06 AU

Year: 608 Days

Day: 14.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,605,274 km

• M1: 169,195 km (0.03 R)
• M2: 652,396 km (0.073 R)
• M3: 1,113,008 km (0.111 R)
• M4: 1,678,488 km (0.065 R)
• M5: 2,311,885 km (0.084 R)
• M6: 2,885,593 km (0.093 R)
• M7: 3,367,598 km (0.057 R)
• M8: 4,496,164 km (0.049 R)
• M9: 5,113,405 km (0.066 R)
• M10: 5,730,047 km (0.028 R)
• M11: 6,174,951 km (0.085 R)
• M12: 6,643,043 km (0.073 R)
• M13: 7,559,330 km (0.056 R)
• M14: 8,048,216 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 8.6

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,605,274 km

• M1: 107,411 km (0.092 R)
• M2: 383,719 km (0.098 R)
• M3: 732,282 km (0.059 R)
• M4: 1,014,573 km (0.091 R)
• M5: 1,342,491 km (0.116 R)
• M6: 1,828,236 km (0.108 R)
• M7: 2,127,431 km (0.094 R)
• M8: 2,778,481 km (0.065 R)
• M9: 3,137,815 km (0.109 R)
• M10: 3,756,851 km (0.068 R)
• M11: 4,026,427 km (0.117 R)
• M12: 4,843,979 km (0.108 R)
• M13: 5,255,523 km (0.044 R)
• M14: 5,966,262 km (0.104 R)
• M15: 6,524,262 km (0.04 R)
• M16: 7,344,807 km (0.069 R)
• M17: 7,625,303 km (0.07 R)
• M18: 8,108,653 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 13.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.03 AU - 1.53 AU

Year: 966 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,605,274 km

• M1: 166,652 km (0.07 R)
• M2: 796,908 km (0.091 R)
• M3: 2,084,497 km (0.11 R)
• M4: 3,245,227 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.1

Radius: 10.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.34 AU - 2.8 AU

Year: 2747 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,605,274 km

• M1: 134,638 km (0.098 R)
• M2: 603,627 km (0.097 R)
• M3: 1,294,022 km (0.103 R)
• M4: 3,948,337 km (0.111 R)
• M5: 4,316,497 km (0.097 R)
• M6: 4,820,492 km (0.113 R)
• M7: 5,388,067 km (0.094 R)
• M8: 5,739,173 km (0.112 R)
• M9: 6,515,885 km (0.092 R)
• M10: 7,638,018 km (0.108 R)
• M11: 8,410,243 km (0.094 R)
• M12: 9,269,383 km (0.115 R)
• M13: 10,072,724 km (0.073 R)
• M14: 11,001,577 km (0.115 R)
• M15: 12,762,942 km (0.118 R)
• M16: 13,990,094 km (0.047 R)
• M17: 15,899,262 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 10.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.54 AU - 3.34 AU

Year: 3362 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,605,274 km

• M1: 134,339 km (0.101 R)
• M2: 573,409 km (0.107 R)
• M3: 1,023,997 km (0.111 R)
• M4: 1,451,698 km (0.037 R)
• M5: 1,985,164 km (0.109 R)
• M6: 2,503,072 km (0.102 R)
• M7: 3,145,894 km (0.104 R)
• M8: 3,811,455 km (0.117 R)
• M9: 4,267,878 km (0.106 R)
• M10: 4,736,418 km (0.095 R)
• M11: 5,396,444 km (0.081 R)
• M12: 6,470,407 km (0.085 R)
• M13: 7,580,722 km (0.098 R)
• M14: 8,448,390 km (0.088 R)
• M15: 10,053,426 km (0.108 R)
• M16: 11,898,267 km (0.091 R)
• M17: 12,357,682 km (0.102 R)
• M18: 12,876,786 km (0.098 R)
• M19: 13,214,578 km (0.073 R)
• M20: 15,260,329 km (0.113 R)
• M21: 16,414,926 km (0.111 R)
• M22: 17,983,758 km (0.094 R)
• M23: 20,228,175 km (0.051 R)
• M24: 21,082,678 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 11.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.8 AU - 5.62 AU

Year: 7930 Days

Day: 8.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,605,274 km

• M1: 146,756 km (0.115 R)
• M2: 810,222 km (0.099 R)
• M3: 1,705,416 km (0.055 R)
• M4: 3,025,019 km (0.093 R)
• M5: 3,678,312 km (0.117 R)
• M6: 4,818,248 km (0.115 R)
• M7: 5,809,633 km (0.102 R)
• M8: 7,703,991 km (0.098 R)
• M9: 8,704,801 km (0.085 R)
• M10: 12,784,185 km (0.061 R)
• M11: 13,182,564 km (0.11 R)
• M12: 14,673,906 km (0.082 R)
• M13: 16,675,824 km (0.093 R)
• M14: 18,131,412 km (0.06 R)
• M15: 18,562,403 km (0.091 R)
• M16: 20,278,440 km (0.113 R)
• M17: 20,743,091 km (0.086 R)
• M18: 22,097,999 km (0.08 R)
• M19: 23,257,532 km (0.084 R)
• M20: 24,110,240 km (0.03 R)
• M21: 26,150,456 km (0.086 R)
• M22: 28,399,510 km (0.097 R)
• M23: 29,472,426 km (0.112 R)
• M24: 33,279,542 km (0.086 R)
• M25: 38,101,979 km (0.096 R)
• M26: 41,357,079 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 12,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit