🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.39 AU - 0.61 AU

Year: 232 Days

Day: 24.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.42 AU - 0.58 AU

Year: 232 Days

Day: 12.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,297,540 km

• M1: 87,664 km (0.1 R)
• M2: 566,228 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.54 AU - 0.58 AU

Year: 275 Days

Day: 17 Hours

Environment

Temp: -129 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,297,540 km

• M1: 26,030 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 11.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.72 AU - 1.12 AU

Year: 579 Days

Day: 14.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,297,540 km

• M1: 140,622 km (0.049 R)
• M2: 506,389 km (0.041 R)
• M3: 871,707 km (0.082 R)
• M4: 1,304,493 km (0.097 R)
• M5: 1,692,700 km (0.092 R)
• M6: 2,473,002 km (0.061 R)
• M7: 3,572,996 km (0.099 R)
• M8: 3,953,573 km (0.1 R)
• M9: 4,568,719 km (0.028 R)
• M10: 5,078,549 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 10.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.24 AU - 2.02 AU

Year: 1365 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,297,540 km

• M1: 137,181 km (0.036 R)
• M2: 474,973 km (0.029 R)
• M3: 909,405 km (0.051 R)
• M4: 1,729,651 km (0.085 R)
• M5: 2,233,496 km (0.111 R)
• M6: 2,752,900 km (0.045 R)
• M7: 3,172,223 km (0.115 R)
• M8: 8,060,333 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 13.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.54 AU - 2.12 AU

Year: 1624 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,297,540 km

• M1: 172,935 km (0.065 R)
• M2: 659,278 km (0.106 R)
• M3: 1,146,967 km (0.075 R)
• M4: 1,662,332 km (0.051 R)
• M5: 3,209,622 km (0.109 R)
• M6: 3,643,606 km (0.081 R)
• M7: 4,593,552 km (0.109 R)
• M8: 5,463,165 km (0.098 R)
• M9: 6,040,612 km (0.108 R)
• M10: 6,807,152 km (0.087 R)
• M11: 7,664,647 km (0.076 R)
• M12: 8,476,814 km (0.079 R)
• M13: 9,946,164 km (0.038 R)
• M14: 10,810,092 km (0.073 R)
• M15: 11,260,381 km (0.079 R)
• M16: 12,801,987 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.9

Radius: 14.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.98 AU - 4.14 AU

Year: 4406 Days

Day: 5.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,297,540 km

• M1: 175,927 km (0.113 R)
• M2: 949,797 km (0.066 R)
• M3: 1,511,387 km (0.077 R)
• M4: 2,236,638 km (0.118 R)
• M5: 2,987,170 km (0.117 R)
• M6: 3,712,421 km (0.1 R)
• M7: 4,624,369 km (0.069 R)
• M8: 5,409,309 km (0.069 R)
• M9: 6,047,793 km (0.103 R)
• M10: 6,736,243 km (0.117 R)
• M11: 7,180,548 km (0.111 R)
• M12: 7,883,957 km (0.092 R)
• M13: 12,917,028 km (0.11 R)
• M14: 13,756,272 km (0.117 R)
• M15: 14,789,993 km (0.074 R)
• M16: 18,324,991 km (0.109 R)
• M17: 19,576,228 km (0.088 R)
• M18: 20,222,790 km (0.074 R)
• M19: 21,902,026 km (0.108 R)
• M20: 23,891,079 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 11.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.82 AU - 5.42 AU

Year: 6514 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 177.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,297,540 km

• M1: 143,165 km (0.082 R)
• M2: 711,039 km (0.094 R)
• M3: 1,551,928 km (0.095 R)
• M4: 2,107,236 km (0.119 R)
• M5: 3,176,561 km (0.055 R)
• M6: 3,808,612 km (0.026 R)
• M7: 4,206,393 km (0.092 R)
• M8: 5,264,050 km (0.099 R)
• M9: 5,632,659 km (0.116 R)
• M10: 6,490,902 km (0.085 R)
• M11: 7,321,170 km (0.042 R)
• M12: 7,899,665 km (0.082 R)
• M13: 8,302,233 km (0.119 R)
• M14: 9,061,442 km (0.114 R)
• M15: 10,381,195 km (0.086 R)
• M16: 13,741,312 km (0.079 R)
• M17: 16,498,401 km (0.101 R)
• M18: 17,697,877 km (0.08 R)
• M19: 19,097,963 km (0.033 R)
• M20: 19,604,951 km (0.077 R)
• M21: 24,242,485 km (0.057 R)
• M22: 25,879,235 km (0.097 R)
• M23: 26,769,641 km (0.101 R)
• M24: 28,990,123 km (0.076 R)
• M25: 30,536,815 km (0.113 R)
• M26: 33,479,555 km (0.045 R)
• M27: 35,506,905 km (0.109 R)
• M28: 38,069,068 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 14,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit