🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.41 AU - 0.61 AU

Year: 130 Days

Day: 18.1 Hours

Environment

Temp: 239 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.57 AU - 0.71 AU

Year: 183 Days

Day: 26.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.57 AU - 0.83 AU

Year: 209 Days

Day: 24.3 Hours

Environment

Temp: 153 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.96 AU - 1.38 AU

Year: 451 Days

Day: 25.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.58 AU - 4.02 AU

Year: 2137 Days

Day: 15.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.51 AU - 4.53 AU

Year: 2873 Days

Day: 28.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 10.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.8 AU - 6.34 AU

Year: 4686 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,713,652 km

• M1: 133,142 km (0.096 R)
• M2: 466,297 km (0.115 R)
• M3: 965,505 km (0.098 R)
• M4: 1,396,945 km (0.085 R)
• M5: 2,781,473 km (0.091 R)
• M6: 3,423,697 km (0.095 R)
• M7: 4,569,467 km (0.11 R)
• M8: 5,464,810 km (0.114 R)
• M9: 5,954,594 km (0.104 R)
• M10: 6,317,668 km (0.095 R)
• M11: 6,857,417 km (0.116 R)
• M12: 10,372,967 km (0.086 R)
• M13: 12,345,415 km (0.026 R)
• M14: 12,788,075 km (0.081 R)
• M15: 13,446,006 km (0.034 R)
• M16: 16,838,736 km (0.1 R)
• M17: 18,893,613 km (0.088 R)
• M18: 19,880,809 km (0.101 R)
• M19: 21,957,826 km (0.106 R)
• M20: 22,827,887 km (0.109 R)
• M21: 23,796,084 km (0.113 R)
• M22: 27,526,008 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 14.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.73 AU - 7.63 AU

Year: 6154 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,713,652 km

• M1: 180,415 km (0.088 R)
• M2: 1,035,816 km (0.051 R)
• M3: 1,658,442 km (0.07 R)
• M4: 4,028,222 km (0.104 R)
• M5: 5,762,061 km (0.111 R)
• M6: 6,457,841 km (0.092 R)
• M7: 9,895,002 km (0.073 R)
• M8: 17,782,699 km (0.107 R)
• M9: 19,504,122 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.9

Radius: 6.4

Gravity: 18.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 14.36 AU - 19.7 AU

Year: 25051 Days

Day: 19.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,713,652 km

• M1: 79,586 km (0.047 R)
• M2: 344,673 km (0.073 R)
• M3: 548,875 km (0.092 R)
• M4: 793,916 km (0.061 R)
• M5: 1,380,040 km (0.076 R)
• M6: 1,985,164 km (0.097 R)
• M7: 2,313,082 km (0.074 R)
• M8: 2,832,336 km (0.048 R)
• M9: 3,486,977 km (0.11 R)
• M10: 4,032,560 km (0.088 R)
• M11: 4,523,241 km (0.059 R)
• M12: 6,280,567 km (0.102 R)
• M13: 7,747,674 km (0.114 R)
• M14: 8,959,267 km (0.1 R)
• M15: 9,489,442 km (0.077 R)
• M16: 10,419,492 km (0.11 R)
• M17: 14,670,764 km (0.085 R)
• M18: 16,688,390 km (0.087 R)
• M19: 18,224,611 km (0.114 R)
• M20: 22,420,083 km (0.108 R)
• M21: 22,850,476 km (0.112 R)
• M22: 25,782,744 km (0.029 R)
• M23: 26,374,105 km (0.11 R)
• M24: 28,452,318 km (0.088 R)
• M25: 34,333,160 km (0.077 R)
• M26: 35,920,543 km (0.06 R)
• M27: 36,509,660 km (0.096 R)
• M28: 47,713,044 km (0.036 R)
• M29: 48,068,040 km (0.094 R)
• M30: 52,655,907 km (0.058 R)
• M31: 54,376,432 km (0.054 R)
• M32: 56,331,677 km (0.047 R)
• M33: 66,814,747 km (0.111 R)
• M34: 83,311,503 km (0.115 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 17,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit