🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.6 AU - 1.84 AU

Year: 828 Days

Day: 29.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.69 AU - 2.45 AU

Year: 1093 Days

Day: 31.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2 AU - 2.8 AU

Year: 1365 Days

Day: 44.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,649,904 km

• M1: 35,155 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.64 AU - 4.38 AU

Year: 2414 Days

Day: 23 Hours

Environment

Temp: -126 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 11.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.21 AU - 7.35 AU

Year: 7211 Days

Day: 8 Hours

Environment

Temp: -159 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,649,904 km

• M1: 246,088 km (0.1 R)
• M2: 616,343 km (0.074 R)
• M3: 1,026,690 km (0.088 R)
• M4: 1,633,160 km (0.108 R)
• M5: 2,245,165 km (0.106 R)
• M6: 2,807,802 km (0.043 R)
• M7: 5,032,472 km (0.071 R)
• M8: 5,561,151 km (0.117 R)
• M9: 6,203,076 km (0.055 R)
• M10: 9,617,198 km (0.095 R)
• M11: 11,881,512 km (0.101 R)
• M12: 14,344,641 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 14

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.59 AU - 8.85 AU

Year: 9453 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,649,904 km

• M1: 174,282 km (0.097 R)
• M2: 2,214,647 km (0.074 R)
• M3: 4,191,134 km (0.052 R)
• M4: 4,775,463 km (0.114 R)
• M5: 6,376,160 km (0.041 R)
• M6: 7,042,619 km (0.098 R)
• M7: 9,546,289 km (0.117 R)
• M8: 14,815,126 km (0.079 R)
• M9: 17,086,470 km (0.032 R)
• M10: 18,583,945 km (0.068 R)
• M11: 25,716,921 km (0.09 R)
• M12: 29,170,687 km (0.068 R)
• M13: 29,935,432 km (0.107 R)
• M14: 34,066,278 km (0.084 R)
• M15: 36,103,501 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 14

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.99 AU - 13.09 AU

Year: 13466 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,649,904 km

• M1: 175,030 km (0.102 R)
• M2: 810,222 km (0.086 R)
• M3: 4,408,200 km (0.088 R)
• M4: 5,016,465 km (0.064 R)
• M5: 7,578,778 km (0.091 R)
• M6: 11,332,338 km (0.106 R)
• M7: 12,309,960 km (0.069 R)
• M8: 14,247,552 km (0.111 R)
• M9: 17,067,621 km (0.045 R)
• M10: 22,257,470 km (0.107 R)
• M11: 25,665,160 km (0.115 R)
• M12: 27,830,141 km (0.105 R)
• M13: 32,413,819 km (0.114 R)
• M14: 35,506,755 km (0.084 R)
• M15: 37,596,039 km (0.028 R)
• M16: 40,632,128 km (0.075 R)
• M17: 41,510,716 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.1

Radius: 3.7

Gravity: 16.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.62 AU - 17.16 AU

Year: 23252 Days

Day: 24.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 151.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,649,904 km

• M1: 46,076 km (0.058 R)
• M2: 264,190 km (0.109 R)
• M3: 500,854 km (0.099 R)
• M4: 929,152 km (0.102 R)
• M5: 2,288,997 km (0.059 R)
• M6: 4,295,553 km (0.11 R)
• M7: 4,450,237 km (0.111 R)
• M8: 5,106,523 km (0.106 R)
• M9: 5,676,192 km (0.118 R)
• M10: 6,446,471 km (0.12 R)
• M11: 7,327,603 km (0.12 R)
• M12: 8,191,531 km (0.117 R)
• M13: 8,381,669 km (0.111 R)
• M14: 12,959,364 km (0.061 R)
• M15: 14,769,648 km (0.101 R)
• M16: 17,202,558 km (0.08 R)
• M17: 18,800,114 km (0.092 R)
• M18: 19,975,355 km (0.062 R)
• M19: 20,319,879 km (0.115 R)
• M20: 20,493,712 km (0.117 R)
• M21: 30,960,327 km (0.119 R)
• M22: 35,530,392 km (0.111 R)
• M23: 37,191,527 km (0.08 R)
• M24: 41,082,118 km (0.062 R)
• M25: 46,428,298 km (0.084 R)
• M26: 50,609,558 km (0.082 R)
• M27: 53,863,761 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 560 - 15,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit