🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.44 AU - 0.62 AU

Year: 148 Days

Day: 44.9 Hours

Environment

Temp: 225 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.21 AU - 2.43 AU

Year: 1353 Days

Day: 18.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,506,511 km

• M1: 213,327 km (0.1 R)
• M2: 548,426 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2 AU - 2.94 AU

Year: 1486 Days

Day: 42.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 10.3

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.5 AU - 9.62 AU

Year: 8761 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,506,511 km

• M1: 128,056 km (0.067 R)
• M2: 628,311 km (0.111 R)
• M3: 1,253,032 km (0.028 R)
• M4: 1,578,258 km (0.055 R)
• M5: 2,642,198 km (0.047 R)
• M6: 4,650,998 km (0.118 R)
• M7: 5,086,477 km (0.112 R)
• M8: 5,790,634 km (0.095 R)
• M9: 6,221,327 km (0.117 R)
• M10: 6,789,948 km (0.104 R)
• M11: 7,269,409 km (0.085 R)
• M12: 7,686,039 km (0.077 R)
• M13: 9,514,873 km (0.067 R)
• M14: 11,228,667 km (0.11 R)
• M15: 13,200,516 km (0.113 R)
• M16: 14,856,565 km (0.11 R)
• M17: 16,221,645 km (0.112 R)
• M18: 16,862,522 km (0.083 R)
• M19: 19,675,710 km (0.088 R)
• M20: 20,817,292 km (0.105 R)
• M21: 21,830,368 km (0.092 R)
• M22: 23,142,791 km (0.094 R)
• M23: 24,321,921 km (0.118 R)
• M24: 25,923,965 km (0.061 R)
• M25: 32,029,802 km (0.106 R)
• M26: 32,699,851 km (0.112 R)
• M27: 36,070,739 km (0.039 R)
• M28: 37,530,964 km (0.08 R)
• M29: 39,283,952 km (0.1 R)
• M30: 40,439,296 km (0.102 R)
• M31: 47,562,100 km (0.107 R)
• M32: 49,762,385 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.2

Radius: 10.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.6 AU - 8.66 AU

Year: 9707 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,506,511 km

• M1: 135,536 km (0.083 R)
• M2: 629,657 km (0.111 R)
• M3: 1,728,304 km (0.072 R)
• M4: 2,159,146 km (0.086 R)
• M5: 3,773,457 km (0.092 R)
• M6: 4,279,696 km (0.091 R)
• M7: 6,399,647 km (0.116 R)
• M8: 12,995,866 km (0.071 R)
• M9: 16,532,809 km (0.032 R)
• M10: 20,183,745 km (0.101 R)
• M11: 20,827,016 km (0.063 R)
• M12: 22,409,462 km (0.11 R)
• M13: 25,253,467 km (0.1 R)
• M14: 25,625,068 km (0.102 R)
• M15: 34,985,556 km (0.104 R)
• M16: 38,184,109 km (0.118 R)
• M17: 41,831,454 km (0.069 R)
• M18: 42,221,456 km (0.119 R)
• M19: 45,020,432 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 7.3

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 13.52 AU - 16.52 AU

Year: 22288 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,506,511 km

• M1: 92,451 km (0.117 R)
• M2: 389,254 km (0.104 R)
• M3: 907,461 km (0.062 R)
• M4: 1,172,249 km (0.044 R)
• M5: 1,881,044 km (0.034 R)
• M6: 2,573,233 km (0.119 R)
• M7: 3,167,735 km (0.043 R)
• M8: 3,882,065 km (0.104 R)
• M9: 4,109,454 km (0.079 R)
• M10: 7,633,381 km (0.037 R)
• M11: 8,254,511 km (0.102 R)
• M12: 9,834,265 km (0.113 R)
• M13: 10,886,087 km (0.109 R)
• M14: 11,340,416 km (0.12 R)
• M15: 11,807,162 km (0.035 R)
• M16: 12,566,520 km (0.049 R)
• M17: 17,378,934 km (0.081 R)
• M18: 18,634,808 km (0.111 R)
• M19: 20,630,145 km (0.052 R)
• M20: 22,974,493 km (0.101 R)
• M21: 26,873,612 km (0.06 R)
• M22: 33,042,130 km (0.06 R)
• M23: 35,103,888 km (0.082 R)
• M24: 36,525,068 km (0.098 R)
• M25: 45,532,057 km (0.104 R)
• M26: 49,127,043 km (0.053 R)
• M27: 49,655,572 km (0.065 R)
• M28: 53,647,891 km (0.044 R)
• M29: 58,045,171 km (0.118 R)
• M30: 65,400,449 km (0.092 R)
• M31: 70,188,030 km (0.07 R)
• M32: 80,698,028 km (0.077 R)
• M33: 83,417,568 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.8

Radius: 7.6

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 13.5 AU - 19.64 AU

Year: 25826 Days

Day: 21.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,506,511 km

• M1: 96,191 km (0.093 R)
• M2: 390,899 km (0.107 R)
• M3: 1,043,296 km (0.099 R)
• M4: 1,665,323 km (0.111 R)
• M5: 2,373,669 km (0.087 R)
• M6: 3,713,618 km (0.114 R)
• M7: 4,301,238 km (0.1 R)
• M8: 5,336,455 km (0.113 R)
• M9: 6,805,806 km (0.092 R)
• M10: 7,090,789 km (0.11 R)
• M11: 7,684,394 km (0.071 R)
• M12: 12,876,188 km (0.1 R)
• M13: 13,460,368 km (0.091 R)
• M14: 22,430,705 km (0.103 R)
• M15: 26,402,827 km (0.07 R)
• M16: 28,923,851 km (0.089 R)
• M17: 30,306,434 km (0.073 R)
• M18: 35,280,264 km (0.092 R)
• M19: 41,712,973 km (0.115 R)
• M20: 42,668,454 km (0.114 R)
• M21: 63,704,907 km (0.039 R)
• M22: 74,078,921 km (0.068 R)
• M23: 82,996,151 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 14,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit