🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 14.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.73 AU - 0.97 AU

Year: 523 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 110.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,878,428 km

• M1: 176,675 km (0.061 R)
• M2: 660,026 km (0.101 R)
• M3: 1,487,900 km (0.077 R)
• M4: 2,042,609 km (0.066 R)
• M5: 2,484,671 km (0.091 R)
• M6: 3,143,799 km (0.08 R)
• M7: 3,659,613 km (0.115 R)
• M8: 4,305,876 km (0.09 R)
• M9: 4,783,691 km (0.116 R)
• M10: 6,318,416 km (0.076 R)
• M11: 6,815,081 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 14.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.9 AU - 1.42 AU

Year: 833 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,878,428 km

• M1: 184,305 km (0.092 R)
• M2: 724,802 km (0.109 R)
• M3: 1,201,121 km (0.119 R)
• M4: 1,897,350 km (0.032 R)
• M5: 2,549,297 km (0.055 R)
• M6: 3,082,015 km (0.083 R)
• M7: 3,602,018 km (0.063 R)
• M8: 4,164,655 km (0.049 R)
• M9: 4,629,306 km (0.062 R)
• M10: 5,844,190 km (0.09 R)
• M11: 7,427,983 km (0.066 R)
• M12: 8,580,335 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 13.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.15 AU - 1.29 AU

Year: 899 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,878,428 km

• M1: 163,510 km (0.052 R)
• M2: 626,815 km (0.08 R)
• M3: 1,133,653 km (0.061 R)
• M4: 1,810,433 km (0.091 R)
• M5: 2,395,361 km (0.105 R)
• M6: 2,829,195 km (0.074 R)
• M7: 3,262,131 km (0.094 R)
• M8: 3,724,987 km (0.093 R)
• M9: 4,510,525 km (0.051 R)
• M10: 5,160,678 km (0.084 R)
• M11: 6,519,026 km (0.11 R)
• M12: 7,281,826 km (0.087 R)
• M13: 8,053,452 km (0.092 R)
• M14: 8,485,191 km (0.05 R)
• M15: 9,175,286 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 9.9

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.15 AU - 1.63 AU

Year: 1093 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,878,428 km

• M1: 123,418 km (0.114 R)
• M2: 443,857 km (0.09 R)
• M3: 842,984 km (0.102 R)
• M4: 1,205,759 km (0.061 R)
• M5: 1,558,959 km (0.094 R)
• M6: 1,971,550 km (0.075 R)
• M7: 2,831,289 km (0.082 R)
• M8: 3,361,315 km (0.088 R)
• M9: 4,022,836 km (0.053 R)
• M10: 4,564,979 km (0.096 R)
• M11: 5,155,292 km (0.045 R)
• M12: 6,372,869 km (0.082 R)
• M13: 6,770,650 km (0.073 R)
• M14: 7,135,370 km (0.103 R)
• M15: 7,957,560 km (0.089 R)
• M16: 8,756,113 km (0.064 R)
• M17: 9,248,440 km (0.109 R)
• M18: 9,637,244 km (0.104 R)
• M19: 10,037,120 km (0.12 R)
• M20: 11,202,337 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 13.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.41 AU - 2.09 AU

Year: 1544 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,878,428 km

• M1: 169,195 km (0.095 R)
• M2: 670,797 km (0.099 R)
• M3: 1,131,409 km (0.08 R)
• M4: 1,776,176 km (0.069 R)
• M5: 2,892,475 km (0.101 R)
• M6: 3,431,177 km (0.025 R)
• M7: 4,554,358 km (0.102 R)
• M8: 5,172,945 km (0.081 R)
• M9: 5,909,565 km (0.049 R)
• M10: 6,829,292 km (0.075 R)
• M11: 7,420,802 km (0.045 R)
• M12: 8,123,763 km (0.105 R)
• M13: 8,815,803 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 14.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.8 AU - 2.26 AU

Year: 1929 Days

Day: 7.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,878,428 km

• M1: 181,313 km (0.108 R)
• M2: 671,545 km (0.086 R)
• M3: 1,430,006 km (0.098 R)
• M4: 1,989,652 km (0.1 R)
• M5: 2,790,748 km (0.084 R)
• M6: 3,662,754 km (0.044 R)
• M7: 4,454,725 km (0.088 R)
• M8: 6,307,645 km (0.086 R)
• M9: 8,301,635 km (0.076 R)
• M10: 8,782,891 km (0.052 R)
• M11: 11,513,351 km (0.082 R)
• M12: 12,189,534 km (0.119 R)
• M13: 13,787,538 km (0.079 R)
• M14: 14,507,553 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 14.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.49 AU - 3.35 AU

Year: 3327 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,878,428 km

• M1: 182,809 km (0.119 R)
• M2: 708,795 km (0.06 R)
• M3: 1,205,759 km (0.101 R)
• M4: 2,345,246 km (0.111 R)
• M5: 2,960,542 km (0.09 R)
• M6: 3,759,245 km (0.085 R)
• M7: 4,586,372 km (0.092 R)
• M8: 7,434,565 km (0.105 R)
• M9: 8,233,717 km (0.111 R)
• M10: 8,878,933 km (0.079 R)
• M11: 9,779,063 km (0.115 R)
• M12: 12,145,103 km (0.067 R)
• M13: 13,163,565 km (0.115 R)
• M14: 13,670,403 km (0.117 R)
• M15: 15,370,732 km (0.07 R)
• M16: 16,991,027 km (0.04 R)
• M17: 18,435,843 km (0.071 R)
• M18: 19,840,866 km (0.059 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: 519 - 11,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit