🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.38 AU - 0.62 AU

Year: 129 Days

Day: 37.7 Hours

Environment

Temp: 207 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.55 AU - 0.67 AU

Year: 174 Days

Day: 23.2 Hours

Environment

Temp: 192 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.87 AU - 1.09 AU

Year: 354 Days

Day: 26.7 Hours

Environment

Temp: 31 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,978,959 km

• M1: 44,281 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.37 AU - 2.15 AU

Year: 853 Days

Day: 38.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,978,959 km

• M1: 119,379 km (0.12 R)
• M2: 161,566 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.12 AU - 2.72 AU

Year: 1375 Days

Day: 42.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,978,959 km

• M1: 28,872 km (0.078 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.24 AU - 4.68 AU

Year: 2878 Days

Day: 40.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.3

Radius: 13.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.64 AU - 6.64 AU

Year: 5557 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,978,959 km

• M1: 230,231 km (0.083 R)
• M2: 936,632 km (0.07 R)
• M3: 1,809,087 km (0.106 R)
• M4: 2,480,034 km (0.057 R)
• M5: 3,273,351 km (0.057 R)
• M6: 3,708,681 km (0.097 R)
• M7: 5,200,471 km (0.101 R)
• M8: 7,095,876 km (0.076 R)
• M9: 8,892,247 km (0.085 R)
• M10: 10,704,027 km (0.11 R)
• M11: 18,050,030 km (0.113 R)
• M12: 20,238,198 km (0.101 R)
• M13: 20,864,415 km (0.11 R)
• M14: 22,302,499 km (0.077 R)
• M15: 25,616,840 km (0.048 R)
• M16: 26,929,711 km (0.092 R)
• M17: 28,200,994 km (0.09 R)
• M18: 28,633,481 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 10.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.55 AU - 8.75 AU

Year: 6983 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,978,959 km

• M1: 139,425 km (0.102 R)
• M2: 469,887 km (0.096 R)
• M3: 877,242 km (0.12 R)
• M4: 1,308,682 km (0.1 R)
• M5: 1,771,688 km (0.025 R)
• M6: 2,490,356 km (0.099 R)
• M7: 3,540,682 km (0.096 R)
• M8: 3,988,578 km (0.109 R)
• M9: 4,836,798 km (0.1 R)
• M10: 8,374,489 km (0.089 R)
• M11: 8,767,183 km (0.085 R)
• M12: 9,296,161 km (0.08 R)
• M13: 10,328,536 km (0.048 R)
• M14: 12,166,645 km (0.105 R)
• M15: 13,400,678 km (0.096 R)
• M16: 13,775,870 km (0.047 R)
• M17: 14,547,346 km (0.105 R)
• M18: 15,000,926 km (0.101 R)
• M19: 15,996,201 km (0.098 R)
• M20: 17,034,859 km (0.074 R)
• M21: 18,313,771 km (0.06 R)
• M22: 19,518,483 km (0.105 R)
• M23: 22,308,782 km (0.062 R)
• M24: 23,682,091 km (0.101 R)
• M25: 24,788,666 km (0.061 R)
• M26: 28,314,987 km (0.061 R)
• M27: 29,832,658 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 14.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.99 AU - 12.69 AU

Year: 13036 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,978,959 km

• M1: 181,313 km (0.047 R)
• M2: 776,712 km (0.066 R)
• M3: 1,241,363 km (0.117 R)
• M4: 3,274,997 km (0.103 R)
• M5: 4,279,247 km (0.086 R)
• M6: 4,773,369 km (0.11 R)
• M7: 5,409,908 km (0.066 R)
• M8: 7,577,731 km (0.06 R)
• M9: 9,794,472 km (0.109 R)
• M10: 11,749,716 km (0.054 R)
• M11: 12,414,828 km (0.114 R)
• M12: 14,020,163 km (0.048 R)
• M13: 20,345,460 km (0.102 R)
• M14: 23,695,256 km (0.073 R)
• M15: 26,156,888 km (0.113 R)
• M16: 27,607,539 km (0.078 R)
• M17: 30,330,370 km (0.076 R)
• M18: 32,281,276 km (0.08 R)
• M19: 36,178,450 km (0.09 R)
• M20: 48,339,859 km (0.087 R)
• M21: 50,521,744 km (0.068 R)
• M22: 53,094,678 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit