🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.76 AU - 0.9 AU

Year: 270 Days

Day: 29.3 Hours

Environment

Temp: 106 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,799,471 km

• M1: 100,380 km (0.075 R)
• M2: 385,215 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.83 AU - 0.85 AU

Year: 274 Days

Day: 26.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.89 AU - 0.99 AU

Year: 325 Days

Day: 29 Hours

Environment

Temp: 95 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.13 AU - 1.79 AU

Year: 629 Days

Day: 41.9 Hours

Environment

Temp: -13 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,799,471 km

• M1: 65,225 km (0.036 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.36 AU - 2.22 AU

Year: 854 Days

Day: 14.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,799,471 km

• M1: 37,848 km (0.03 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.15 AU - 2.81 AU

Year: 1392 Days

Day: 44.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 11.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.6 AU - 11.34 AU

Year: 10388 Days

Day: 12.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,799,471 km

• M1: 146,756 km (0.039 R)
• M2: 943,663 km (0.091 R)
• M3: 1,644,978 km (0.12 R)
• M4: 2,040,964 km (0.116 R)
• M5: 2,519,677 km (0.093 R)
• M6: 2,989,115 km (0.109 R)
• M7: 4,236,462 km (0.026 R)
• M8: 6,104,790 km (0.11 R)
• M9: 6,884,045 km (0.118 R)
• M10: 7,336,429 km (0.081 R)
• M11: 7,728,525 km (0.101 R)
• M12: 8,901,522 km (0.065 R)
• M13: 10,828,642 km (0.112 R)
• M14: 13,019,503 km (0.053 R)
• M15: 13,713,038 km (0.053 R)
• M16: 14,128,920 km (0.12 R)
• M17: 15,174,161 km (0.04 R)
• M18: 16,007,571 km (0.118 R)
• M19: 16,402,509 km (0.094 R)
• M20: 17,487,393 km (0.076 R)
• M21: 19,277,331 km (0.091 R)
• M22: 21,423,761 km (0.116 R)
• M23: 29,595,545 km (0.084 R)
• M24: 36,708,176 km (0.072 R)
• M25: 37,280,537 km (0.05 R)
• M26: 37,742,795 km (0.091 R)
• M27: 38,678,829 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 13.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.28 AU - 12.2 AU

Year: 11680 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,799,471 km

• M1: 177,722 km (0.109 R)
• M2: 1,340,098 km (0.09 R)
• M3: 2,369,481 km (0.111 R)
• M4: 2,853,579 km (0.099 R)
• M5: 3,542,328 km (0.109 R)
• M6: 9,665,070 km (0.093 R)
• M7: 11,534,145 km (0.096 R)
• M8: 12,745,888 km (0.039 R)
• M9: 14,195,940 km (0.081 R)
• M10: 24,904,306 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613

Radius: 4.7

Gravity: 27.75 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 15.04 AU - 19.26 AU

Year: 25316 Days

Day: 22.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,799,471 km

• M1: 58,493 km (0.061 R)
• M2: 206,595 km (0.074 R)
• M3: 575,353 km (0.086 R)
• M4: 852,558 km (0.1 R)
• M5: 1,185,414 km (0.117 R)
• M6: 2,064,301 km (0.116 R)
• M7: 2,327,444 km (0.115 R)
• M8: 4,125,760 km (0.073 R)
• M9: 6,320,510 km (0.063 R)
• M10: 6,827,946 km (0.114 R)
• M11: 12,536,451 km (0.062 R)
• M12: 14,479,728 km (0.11 R)
• M13: 15,035,484 km (0.051 R)
• M14: 17,400,626 km (0.05 R)
• M15: 21,805,535 km (0.103 R)
• M16: 22,012,279 km (0.028 R)
• M17: 23,065,897 km (0.102 R)
• M18: 36,666,289 km (0.055 R)
• M19: 43,302,600 km (0.095 R)
• M20: 51,059,249 km (0.114 R)
• M21: 52,528,600 km (0.047 R)
• M22: 59,088,167 km (0.085 R)
• M23: 69,470,708 km (0.114 R)
• M24: 84,265,339 km (0.095 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit