🌌 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 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.49 AU - 0.77 AU

Year: 328 Days

Day: 27 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,767,300 km

• M1: 36,951 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 9.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.96 AU - 0.98 AU

Year: 627 Days

Day: 5 Hours

Environment

Temp: -167 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,767,300 km

• M1: 119,379 km (0.12 R)
• M2: 433,235 km (0.091 R)
• M3: 738,415 km (0.072 R)
• M4: 1,057,807 km (0.09 R)
• M5: 1,560,904 km (0.07 R)
• M6: 2,111,275 km (0.094 R)
• M7: 2,839,816 km (0.109 R)
• M8: 3,624,457 km (0.086 R)
• M9: 4,061,133 km (0.11 R)
• M10: 5,619,345 km (0.095 R)
• M11: 6,132,466 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 11.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.82 AU - 1.22 AU

Year: 676 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,767,300 km

• M1: 140,622 km (0.115 R)
• M2: 618,587 km (0.065 R)
• M3: 1,288,187 km (0.114 R)
• M4: 1,710,502 km (0.115 R)
• M5: 2,069,687 km (0.071 R)
• M6: 2,645,938 km (0.114 R)
• M7: 3,155,468 km (0.115 R)
• M8: 3,936,369 km (0.101 R)
• M9: 4,357,636 km (0.058 R)
• M10: 5,378,193 km (0.112 R)
• M11: 5,751,739 km (0.118 R)
• M12: 6,335,021 km (0.114 R)
• M13: 6,732,054 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 10.3

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.51 AU - 4.11 AU

Year: 3950 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,767,300 km

• M1: 128,505 km (0.097 R)
• M2: 507,586 km (0.055 R)
• M3: 976,276 km (0.101 R)
• M4: 1,347,129 km (0.082 R)
• M5: 1,750,594 km (0.102 R)
• M6: 2,162,288 km (0.102 R)
• M7: 3,053,891 km (0.12 R)
• M8: 3,908,843 km (0.118 R)
• M9: 4,242,296 km (0.118 R)
• M10: 5,069,423 km (0.036 R)
• M11: 6,295,078 km (0.037 R)
• M12: 7,009,558 km (0.03 R)
• M13: 7,742,737 km (0.116 R)
• M14: 8,823,881 km (0.106 R)
• M15: 9,440,074 km (0.091 R)
• M16: 10,672,910 km (0.073 R)
• M17: 12,010,016 km (0.115 R)
• M18: 13,010,228 km (0.087 R)
• M19: 14,852,825 km (0.059 R)
• M20: 15,614,278 km (0.114 R)
• M21: 18,796,972 km (0.104 R)
• M22: 23,900,653 km (0.068 R)
• M23: 25,250,325 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.1

Radius: 6.4

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.62 AU - 11.18 AU

Year: 20434 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,767,300 km

• M1: 96,491 km (0.03 R)
• M2: 566,378 km (0.111 R)
• M3: 1,427,313 km (0.115 R)
• M4: 1,765,404 km (0.069 R)
• M5: 2,447,272 km (0.106 R)
• M6: 6,046,596 km (0.097 R)
• M7: 6,976,048 km (0.08 R)
• M8: 9,167,806 km (0.07 R)
• M9: 12,487,981 km (0.085 R)
• M10: 13,019,802 km (0.111 R)
• M11: 20,536,496 km (0.105 R)
• M12: 28,646,047 km (0.079 R)
• M13: 33,718,911 km (0.111 R)
• M14: 57,586,653 km (0.098 R)
• M15: 61,307,751 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754

Radius: 4.4

Gravity: 38.95 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.38 AU - 10.68 AU

Year: 22416 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,767,300 km

• M1: 54,902 km (0.075 R)
• M2: 212,429 km (0.098 R)
• M3: 896,690 km (0.03 R)
• M4: 1,759,421 km (0.099 R)
• M5: 2,099,457 km (0.107 R)
• M6: 3,126,745 km (0.104 R)
• M7: 5,723,914 km (0.103 R)
• M8: 7,124,299 km (0.064 R)
• M9: 8,682,511 km (0.104 R)
• M10: 8,906,160 km (0.051 R)
• M11: 9,423,319 km (0.025 R)
• M12: 10,143,633 km (0.042 R)
• M13: 10,517,179 km (0.05 R)
• M14: 11,029,552 km (0.082 R)
• M15: 11,225,974 km (0.075 R)
• M16: 11,693,168 km (0.118 R)
• M17: 13,099,687 km (0.064 R)
• M18: 13,617,445 km (0.082 R)
• M19: 14,772,790 km (0.094 R)
• M20: 18,170,307 km (0.104 R)
• M21: 23,642,447 km (0.051 R)
• M22: 24,409,286 km (0.059 R)
• M23: 27,282,912 km (0.116 R)
• M24: 29,111,147 km (0.088 R)
• M25: 30,246,296 km (0.075 R)
• M26: 33,144,904 km (0.115 R)
• M27: 36,948,729 km (0.12 R)
• M28: 40,876,870 km (0.119 R)
• M29: 44,081,406 km (0.096 R)
• M30: 52,446,919 km (0.09 R)
• M31: 55,646,070 km (0.11 R)
• M32: 60,990,453 km (0.117 R)
• M33: 62,429,735 km (0.105 R)
• M34: 63,262,396 km (0.091 R)
• M35: 65,804,513 km (0.066 R)
• M36: 71,771,523 km (0.032 R)
• M37: 75,472,425 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 13,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit