🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 193 Days

Day: 14.2 Hours

Environment

Temp: 175 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,846,060 km

• M1: 208,839 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 9.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.94 AU - 5.3 AU

Year: 3741 Days

Day: 6.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,846,060 km

• M1: 127,757 km (0.045 R)
• M2: 502,948 km (0.04 R)
• M3: 845,976 km (0.102 R)
• M4: 1,209,050 km (0.051 R)
• M5: 2,525,511 km (0.043 R)
• M6: 3,011,854 km (0.036 R)
• M7: 3,351,441 km (0.071 R)
• M8: 4,215,967 km (0.103 R)
• M9: 4,688,996 km (0.085 R)
• M10: 5,048,330 km (0.073 R)
• M11: 5,426,064 km (0.086 R)
• M12: 6,041,959 km (0.092 R)
• M13: 7,191,918 km (0.118 R)
• M14: 8,308,516 km (0.118 R)
• M15: 10,194,496 km (0.103 R)
• M16: 10,635,960 km (0.088 R)
• M17: 11,132,026 km (0.051 R)
• M18: 11,557,184 km (0.116 R)
• M19: 16,208,181 km (0.117 R)
• M20: 16,589,506 km (0.038 R)
• M21: 17,200,913 km (0.064 R)
• M22: 18,350,722 km (0.111 R)
• M23: 20,548,464 km (0.062 R)
• M24: 21,124,267 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 11.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.44 AU - 6.46 AU

Year: 4793 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,846,060 km

• M1: 145,559 km (0.113 R)
• M2: 807,380 km (0.12 R)
• M3: 1,481,917 km (0.102 R)
• M4: 3,152,775 km (0.109 R)
• M5: 3,526,620 km (0.111 R)
• M6: 4,064,125 km (0.088 R)
• M7: 6,590,833 km (0.102 R)
• M8: 7,140,157 km (0.104 R)
• M9: 7,546,315 km (0.075 R)
• M10: 8,743,248 km (0.087 R)
• M11: 9,731,341 km (0.062 R)
• M12: 10,969,114 km (0.039 R)
• M13: 11,649,186 km (0.11 R)
• M14: 12,405,403 km (0.09 R)
• M15: 13,093,554 km (0.11 R)
• M16: 15,989,170 km (0.111 R)
• M17: 17,403,618 km (0.094 R)
• M18: 19,287,055 km (0.072 R)
• M19: 20,683,850 km (0.038 R)
• M20: 22,289,933 km (0.062 R)
• M21: 26,787,743 km (0.11 R)
• M22: 27,358,608 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551

Radius: 9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.04 AU - 11.76 AU

Year: 11735 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,846,060 km

• M1: 112,198 km (0.074 R)
• M2: 813,214 km (0.105 R)
• M3: 1,163,572 km (0.052 R)
• M4: 1,629,270 km (0.077 R)
• M5: 2,161,540 km (0.111 R)
• M6: 2,784,465 km (0.095 R)
• M7: 3,138,414 km (0.025 R)
• M8: 4,298,396 km (0.09 R)
• M9: 4,681,516 km (0.118 R)
• M10: 5,348,423 km (0.082 R)
• M11: 7,437,258 km (0.107 R)
• M12: 8,434,777 km (0.065 R)
• M13: 9,667,164 km (0.052 R)
• M14: 12,019,740 km (0.104 R)
• M15: 13,827,032 km (0.112 R)
• M16: 14,209,255 km (0.111 R)
• M17: 14,729,706 km (0.082 R)
• M18: 16,652,038 km (0.107 R)
• M19: 22,614,710 km (0.064 R)
• M20: 26,021,652 km (0.115 R)
• M21: 32,809,356 km (0.074 R)
• M22: 36,065,204 km (0.046 R)
• M23: 41,211,969 km (0.112 R)
• M24: 45,134,426 km (0.069 R)
• M25: 48,417,052 km (0.119 R)
• M26: 49,003,775 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.5

Radius: 12.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 11.21 AU - 11.53 AU

Year: 14443 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,846,060 km

• M1: 154,535 km (0.067 R)
• M2: 741,856 km (0.092 R)
• M3: 2,825,305 km (0.047 R)
• M4: 7,754,705 km (0.11 R)
• M5: 8,881,476 km (0.111 R)
• M6: 11,849,049 km (0.101 R)
• M7: 19,040,817 km (0.073 R)
• M8: 20,434,172 km (0.111 R)
• M9: 27,293,832 km (0.093 R)
• M10: 31,002,214 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.8

Radius: 6.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 9.52 AU - 15.76 AU

Year: 16930 Days

Day: 22.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,846,060 km

• M1: 1,378,096 km (0.119 R)
• M2: 1,757,027 km (0.115 R)
• M3: 4,068,912 km (0.09 R)
• M4: 8,348,608 km (0.1 R)
• M5: 9,679,730 km (0.071 R)
• M6: 12,564,426 km (0.092 R)
• M7: 13,291,920 km (0.11 R)
• M8: 13,893,902 km (0.076 R)
• M9: 21,900,081 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.2

Radius: 4.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.43 AU - 15.05 AU

Year: 17131 Days

Day: 16.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,846,060 km

• M1: 58,044 km (0.09 R)
• M2: 644,617 km (0.047 R)
• M3: 1,186,610 km (0.075 R)
• M4: 2,131,770 km (0.047 R)
• M5: 2,684,983 km (0.102 R)
• M6: 4,704,703 km (0.095 R)
• M7: 6,974,402 km (0.081 R)
• M8: 8,209,632 km (0.096 R)
• M9: 9,326,530 km (0.116 R)
• M10: 13,049,871 km (0.109 R)
• M11: 13,279,205 km (0.114 R)
• M12: 14,320,256 km (0.085 R)
• M13: 15,110,731 km (0.11 R)
• M14: 16,670,738 km (0.112 R)
• M15: 19,683,340 km (0.065 R)
• M16: 20,106,552 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit