🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.97 AU - 1.35 AU

Year: 439 Days

Day: 42.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 50,387,003 km

• M1: 132,843 km (0.099 R)
• M2: 261,347 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.76 AU - 5.44 AU

Year: 3467 Days

Day: 36.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 13.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.32 AU - 8.06 AU

Year: 7495 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,387,003 km

• M1: 171,140 km (0.096 R)
• M2: 898,784 km (0.114 R)
• M3: 1,606,681 km (0.093 R)
• M4: 2,264,014 km (0.117 R)
• M5: 3,477,851 km (0.118 R)
• M6: 4,044,977 km (0.104 R)
• M7: 6,337,115 km (0.067 R)
• M8: 6,996,393 km (0.079 R)
• M9: 7,987,629 km (0.105 R)
• M10: 10,347,386 km (0.114 R)
• M11: 12,232,169 km (0.107 R)
• M12: 16,468,033 km (0.086 R)
• M13: 19,326,100 km (0.12 R)
• M14: 26,749,446 km (0.095 R)
• M15: 38,208,942 km (0.079 R)
• M16: 41,012,256 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.2

Radius: 9.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.16 AU - 9.52 AU

Year: 8465 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,387,003 km

• M1: 118,182 km (0.096 R)
• M2: 467,045 km (0.117 R)
• M3: 777,311 km (0.052 R)
• M4: 1,205,460 km (0.075 R)
• M5: 2,716,398 km (0.101 R)
• M6: 3,288,161 km (0.102 R)
• M7: 3,622,213 km (0.075 R)
• M8: 8,401,416 km (0.118 R)
• M9: 9,136,989 km (0.108 R)
• M10: 9,502,158 km (0.09 R)
• M11: 10,457,639 km (0.076 R)
• M12: 11,101,957 km (0.087 R)
• M13: 13,520,356 km (0.089 R)
• M14: 14,927,324 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 10.6

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.22 AU - 9.62 AU

Year: 9363 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,387,003 km

• M1: 131,945 km (0.11 R)
• M2: 476,469 km (0.082 R)
• M3: 1,258,866 km (0.102 R)
• M4: 3,324,065 km (0.112 R)
• M5: 3,828,658 km (0.105 R)
• M6: 4,500,951 km (0.068 R)
• M7: 5,349,470 km (0.089 R)
• M8: 7,362,459 km (0.069 R)
• M9: 9,537,014 km (0.092 R)
• M10: 9,886,624 km (0.116 R)
• M11: 15,044,609 km (0.033 R)
• M12: 20,496,404 km (0.071 R)
• M13: 23,075,023 km (0.112 R)
• M14: 24,815,594 km (0.111 R)
• M15: 28,146,091 km (0.079 R)
• M16: 32,432,669 km (0.084 R)
• M17: 33,798,797 km (0.028 R)
• M18: 34,379,386 km (0.038 R)
• M19: 39,010,338 km (0.027 R)
• M20: 45,998,353 km (0.09 R)
• M21: 47,576,611 km (0.045 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 10,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit