🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.7 AU - 0.98 AU

Year: 281 Days

Day: 28.7 Hours

Environment

Temp: 122 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.23 AU - 1.45 AU

Year: 567 Days

Day: 46.7 Hours

Environment

Temp: -19 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.16 AU - 1.58 AU

Year: 586 Days

Day: 15.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.1 AU - 2.82 AU

Year: 1409 Days

Day: 36.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.91 AU - 4.79 AU

Year: 2759 Days

Day: 19.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 10.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.39 AU - 6.61 AU

Year: 4711 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,278,105 km

• M1: 128,056 km (0.066 R)
• M2: 450,589 km (0.065 R)
• M3: 817,552 km (0.104 R)
• M4: 1,266,047 km (0.049 R)
• M5: 1,596,808 km (0.07 R)
• M6: 1,930,561 km (0.088 R)
• M7: 2,487,513 km (0.083 R)
• M8: 3,767,772 km (0.1 R)
• M9: 4,465,945 km (0.094 R)
• M10: 8,035,799 km (0.099 R)
• M11: 8,562,085 km (0.109 R)
• M12: 8,951,787 km (0.105 R)
• M13: 9,767,095 km (0.09 R)
• M14: 10,149,767 km (0.108 R)
• M15: 10,675,603 km (0.11 R)
• M16: 11,639,462 km (0.068 R)
• M17: 12,021,535 km (0.055 R)
• M18: 14,059,208 km (0.066 R)
• M19: 16,199,056 km (0.073 R)
• M20: 20,624,460 km (0.072 R)
• M21: 21,971,439 km (0.087 R)
• M22: 25,474,423 km (0.065 R)
• M23: 26,119,489 km (0.112 R)
• M24: 27,024,257 km (0.084 R)
• M25: 27,526,457 km (0.102 R)
• M26: 28,034,791 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 14.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.13 AU - 11.85 AU

Year: 12409 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,278,105 km

• M1: 175,329 km (0.1 R)
• M2: 685,607 km (0.068 R)
• M3: 1,584,690 km (0.11 R)
• M4: 2,237,984 km (0.07 R)
• M5: 3,029,506 km (0.086 R)
• M6: 5,254,176 km (0.064 R)
• M7: 6,032,085 km (0.091 R)
• M8: 6,624,643 km (0.114 R)
• M9: 7,153,621 km (0.105 R)
• M10: 7,782,231 km (0.066 R)
• M11: 8,334,247 km (0.073 R)
• M12: 10,278,421 km (0.079 R)
• M13: 12,459,857 km (0.07 R)
• M14: 13,216,972 km (0.116 R)
• M15: 14,656,851 km (0.062 R)
• M16: 15,386,440 km (0.116 R)
• M17: 28,653,976 km (0.069 R)
• M18: 29,352,897 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 9.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.43 AU - 11.55 AU

Year: 12409 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,278,105 km

• M1: 120,576 km (0.086 R)
• M2: 691,441 km (0.112 R)
• M3: 1,047,634 km (0.073 R)
• M4: 1,654,702 km (0.049 R)
• M5: 2,275,084 km (0.108 R)
• M6: 4,421,814 km (0.095 R)
• M7: 4,993,876 km (0.119 R)
• M8: 5,614,707 km (0.099 R)
• M9: 6,396,655 km (0.062 R)
• M10: 6,891,974 km (0.111 R)
• M11: 7,290,203 km (0.053 R)
• M12: 8,353,396 km (0.092 R)
• M13: 9,039,003 km (0.03 R)
• M14: 11,597,874 km (0.101 R)
• M15: 12,983,001 km (0.094 R)
• M16: 13,653,498 km (0.076 R)
• M17: 14,604,642 km (0.106 R)
• M18: 15,063,309 km (0.081 R)
• M19: 15,464,231 km (0.082 R)
• M20: 16,078,779 km (0.065 R)
• M21: 16,427,193 km (0.108 R)
• M22: 19,953,364 km (0.097 R)
• M23: 20,763,885 km (0.116 R)
• M24: 24,777,297 km (0.091 R)
• M25: 27,457,941 km (0.081 R)
• M26: 32,051,643 km (0.056 R)
• M27: 34,299,501 km (0.074 R)
• M28: 35,815,825 km (0.052 R)
• M29: 43,128,019 km (0.113 R)
• M30: 45,585,014 km (0.099 R)
• M31: 46,706,400 km (0.076 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: 297 - 10,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit