🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.95 AU - 1.25 AU

Year: 405 Days

Day: 28.1 Hours

Environment

Temp: 43 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 80,901,737 km

• M1: 23,038 km (0.1 R)
• M2: 222,751 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.99 AU - 1.61 AU

Year: 521 Days

Day: 45.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.37 AU - 1.99 AU

Year: 765 Days

Day: 12.3 Hours

Environment

Temp: -28 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,901,737 km

• M1: 29,471 km (0.092 R)
• M2: 129,402 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.66 AU - 1.78 AU

Year: 793 Days

Day: 43.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.82 AU - 3.02 AU

Year: 1323 Days

Day: 25.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.56 AU - 3.92 AU

Year: 2542 Days

Day: 35.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 13.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.65 AU - 8.17 AU

Year: 7089 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,901,737 km

• M1: 180,864 km (0.091 R)
• M2: 633,248 km (0.049 R)
• M3: 1,326,784 km (0.044 R)
• M4: 4,233,470 km (0.108 R)
• M5: 4,764,991 km (0.067 R)
• M6: 6,140,843 km (0.111 R)
• M7: 8,871,902 km (0.12 R)
• M8: 12,474,817 km (0.108 R)
• M9: 14,304,848 km (0.093 R)
• M10: 15,733,806 km (0.071 R)
• M11: 17,559,648 km (0.1 R)
• M12: 21,981,911 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.95 AU - 11.21 AU

Year: 10421 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,901,737 km

• M1: 165,006 km (0.092 R)
• M2: 823,985 km (0.083 R)
• M3: 3,591,546 km (0.109 R)
• M4: 4,116,784 km (0.092 R)
• M5: 6,474,745 km (0.068 R)
• M6: 9,893,506 km (0.028 R)
• M7: 13,224,601 km (0.079 R)
• M8: 13,730,392 km (0.098 R)
• M9: 21,080,434 km (0.08 R)
• M10: 23,361,652 km (0.051 R)
• M11: 25,890,155 km (0.072 R)
• M12: 30,404,271 km (0.097 R)
• M13: 30,892,559 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.6

Radius: 5.5

Gravity: 32.05 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.52 AU - 16.5 AU

Year: 18430 Days

Day: 21.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,901,737 km

• M1: 69,264 km (0.082 R)
• M2: 245,939 km (0.08 R)
• M3: 929,152 km (0.097 R)
• M4: 1,286,542 km (0.114 R)
• M5: 1,677,142 km (0.053 R)
• M6: 2,101,700 km (0.119 R)
• M7: 2,667,779 km (0.088 R)
• M8: 3,026,515 km (0.077 R)
• M9: 3,563,870 km (0.109 R)
• M10: 4,468,937 km (0.109 R)
• M11: 6,273,686 km (0.026 R)
• M12: 7,191,469 km (0.111 R)
• M13: 8,091,300 km (0.089 R)
• M14: 9,813,172 km (0.072 R)
• M15: 10,981,381 km (0.095 R)
• M16: 11,765,274 km (0.107 R)
• M17: 13,225,798 km (0.104 R)
• M18: 14,959,488 km (0.045 R)
• M19: 15,355,473 km (0.077 R)
• M20: 19,803,168 km (0.114 R)
• M21: 21,859,989 km (0.059 R)
• M22: 26,392,655 km (0.056 R)
• M23: 27,087,387 km (0.053 R)
• M24: 29,863,774 km (0.094 R)
• M25: 33,897,830 km (0.054 R)
• M26: 38,427,953 km (0.106 R)
• M27: 38,723,858 km (0.08 R)
• M28: 44,964,183 km (0.095 R)
• M29: 47,128,116 km (0.115 R)
• M30: 55,154,042 km (0.096 R)
• M31: 56,861,552 km (0.092 R)
• M32: 60,982,076 km (0.079 R)
• M33: 67,207,292 km (0.062 R)
• M34: 68,501,164 km (0.12 R)
• M35: 73,387,479 km (0.063 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 14,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit