🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 8.3

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,141,106 km

• M1: 105,466 km (0.117 R)
• M2: 405,859 km (0.086 R)
• M3: 767,587 km (0.073 R)
• M4: 1,072,617 km (0.106 R)
• M5: 1,736,831 km (0.116 R)
• M6: 2,241,126 km (0.115 R)
• M7: 2,706,674 km (0.118 R)
• M8: 3,203,489 km (0.11 R)
• M9: 3,518,841 km (0.099 R)
• M10: 3,951,029 km (0.107 R)
• M11: 4,250,076 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 14.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,141,106 km

• M1: 180,265 km (0.064 R)
• M2: 662,868 km (0.088 R)
• M3: 1,161,328 km (0.058 R)
• M4: 1,644,529 km (0.114 R)
• M5: 2,286,753 km (0.111 R)
• M6: 2,866,894 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 14

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.68 AU - 0.9 AU

Year: 476 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,141,106 km

• M1: 174,132 km (0.079 R)
• M2: 697,126 km (0.059 R)
• M3: 1,496,577 km (0.109 R)
• M4: 2,150,619 km (0.118 R)
• M5: 2,802,716 km (0.054 R)
• M6: 3,320,923 km (0.065 R)
• M7: 4,912,495 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 8.7

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.35 AU - 2.39 AU

Year: 2475 Days

Day: 7 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,141,106 km

• M1: 109,805 km (0.071 R)
• M2: 492,626 km (0.106 R)
• M3: 789,727 km (0.057 R)
• M4: 1,665,323 km (0.106 R)
• M5: 2,100,653 km (0.058 R)
• M6: 2,380,551 km (0.113 R)
• M7: 2,746,318 km (0.111 R)
• M8: 3,183,443 km (0.035 R)
• M9: 4,644,864 km (0.058 R)
• M10: 5,560,702 km (0.065 R)
• M11: 6,370,775 km (0.1 R)
• M12: 6,904,839 km (0.036 R)
• M13: 8,289,068 km (0.045 R)
• M14: 10,718,687 km (0.061 R)
• M15: 10,993,050 km (0.055 R)
• M16: 12,739,306 km (0.117 R)
• M17: 19,249,356 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 8.1

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.51 AU - 3.73 AU

Year: 4671 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,141,106 km

• M1: 104,419 km (0.12 R)
• M2: 460,462 km (0.116 R)
• M3: 778,956 km (0.086 R)
• M4: 1,187,059 km (0.034 R)
• M5: 2,021,965 km (0.113 R)
• M6: 2,631,127 km (0.069 R)
• M7: 3,107,746 km (0.095 R)
• M8: 3,456,758 km (0.12 R)
• M9: 4,233,321 km (0.117 R)
• M10: 4,787,431 km (0.042 R)
• M11: 6,966,324 km (0.067 R)
• M12: 8,905,860 km (0.112 R)
• M13: 9,652,354 km (0.091 R)
• M14: 11,269,507 km (0.107 R)
• M15: 11,908,589 km (0.081 R)
• M16: 12,331,801 km (0.031 R)
• M17: 13,308,675 km (0.12 R)
• M18: 14,074,317 km (0.043 R)
• M19: 17,253,571 km (0.083 R)
• M20: 18,225,359 km (0.096 R)
• M21: 20,679,063 km (0.113 R)
• M22: 21,566,777 km (0.119 R)
• M23: 21,984,903 km (0.068 R)
• M24: 22,337,505 km (0.113 R)
• M25: 22,693,847 km (0.053 R)
• M26: 23,271,894 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 12.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.08 AU - 4.92 AU

Year: 5426 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,141,106 km

• M1: 154,684 km (0.049 R)
• M2: 658,380 km (0.097 R)
• M3: 1,104,481 km (0.119 R)
• M4: 1,803,851 km (0.063 R)
• M5: 2,261,920 km (0.064 R)
• M6: 2,897,860 km (0.116 R)
• M7: 3,956,415 km (0.105 R)
• M8: 5,542,900 km (0.118 R)
• M9: 7,197,303 km (0.109 R)
• M10: 7,782,380 km (0.077 R)
• M11: 8,719,461 km (0.117 R)
• M12: 9,159,429 km (0.053 R)
• M13: 10,901,346 km (0.067 R)
• M14: 12,163,952 km (0.026 R)
• M15: 14,012,833 km (0.078 R)
• M16: 17,673,492 km (0.05 R)
• M17: 18,800,413 km (0.076 R)
• M18: 20,419,511 km (0.068 R)
• M19: 22,265,100 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.9

Radius: 7.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.82 AU - 7.26 AU

Year: 11344 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,141,106 km

• M1: 95,144 km (0.061 R)
• M2: 423,960 km (0.112 R)
• M3: 2,056,522 km (0.091 R)
• M4: 2,307,547 km (0.111 R)
• M5: 3,505,228 km (0.081 R)
• M6: 3,969,879 km (0.081 R)
• M7: 5,376,248 km (0.084 R)
• M8: 5,994,686 km (0.111 R)
• M9: 6,277,875 km (0.068 R)
• M10: 7,631,885 km (0.096 R)
• M11: 8,238,205 km (0.09 R)
• M12: 11,072,786 km (0.087 R)
• M13: 13,082,035 km (0.113 R)
• M14: 14,197,586 km (0.115 R)
• M15: 14,701,880 km (0.097 R)
• M16: 17,807,233 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 19,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit