🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.43 AU - 0.67 AU

Year: 155 Days

Day: 15.6 Hours

Environment

Temp: 219 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.75 AU - 1.01 AU

Year: 314 Days

Day: 20.2 Hours

Environment

Temp: 42 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,432,721 km

• M1: 531,222 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.09 AU - 1.21 AU

Year: 470 Days

Day: 32 Hours

Environment

Temp: -11 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.26 AU - 1.94 AU

Year: 771 Days

Day: 43.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.86 AU - 2.44 AU

Year: 1200 Days

Day: 36 Hours

Environment

Temp: -88 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.71 AU - 4.47 AU

Year: 2590 Days

Day: 22.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 9.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.94 AU - 8.1 AU

Year: 7853 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,432,721 km

• M1: 118,182 km (0.053 R)
• M2: 801,695 km (0.097 R)
• M3: 1,795,773 km (0.102 R)
• M4: 2,375,614 km (0.119 R)
• M5: 2,959,495 km (0.099 R)
• M6: 3,930,086 km (0.085 R)
• M7: 4,721,608 km (0.1 R)
• M8: 5,211,541 km (0.101 R)
• M9: 6,166,125 km (0.087 R)
• M10: 9,017,161 km (0.11 R)
• M11: 9,431,697 km (0.066 R)
• M12: 9,858,799 km (0.106 R)
• M13: 11,218,195 km (0.099 R)
• M14: 11,942,996 km (0.11 R)
• M15: 17,787,636 km (0.111 R)
• M16: 19,312,786 km (0.116 R)
• M17: 19,932,719 km (0.115 R)
• M18: 21,872,106 km (0.12 R)
• M19: 28,352,686 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.8

Radius: 6.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.19 AU - 14.15 AU

Year: 16167 Days

Day: 19.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,432,721 km

• M1: 77,043 km (0.084 R)
• M2: 466,297 km (0.084 R)
• M3: 1,087,577 km (0.072 R)
• M4: 1,416,841 km (0.112 R)
• M5: 2,088,835 km (0.096 R)
• M6: 2,410,470 km (0.084 R)
• M7: 3,517,345 km (0.109 R)
• M8: 3,720,050 km (0.05 R)
• M9: 4,515,612 km (0.103 R)
• M10: 8,302,831 km (0.087 R)
• M11: 8,959,566 km (0.116 R)
• M12: 13,010,527 km (0.095 R)
• M13: 14,610,925 km (0.108 R)
• M14: 17,192,834 km (0.117 R)
• M15: 21,849,517 km (0.082 R)
• M16: 23,097,313 km (0.09 R)
• M17: 23,309,891 km (0.111 R)
• M18: 23,595,175 km (0.079 R)

Asteroid Belt

Center: 14.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.8

Radius: 5

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 14.65 AU - 17.23 AU

Year: 24234 Days

Day: 15.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,432,721 km

• M1: 63,429 km (0.119 R)
• M2: 438,471 km (0.036 R)
• M3: 829,221 km (0.099 R)
• M4: 1,712,896 km (0.094 R)
• M5: 2,270,148 km (0.084 R)
• M6: 2,449,665 km (0.084 R)
• M7: 4,148,050 km (0.095 R)
• M8: 4,486,590 km (0.081 R)
• M9: 5,257,019 km (0.097 R)
• M10: 10,715,097 km (0.067 R)
• M11: 12,216,162 km (0.08 R)
• M12: 15,468,420 km (0.103 R)
• M13: 17,813,217 km (0.104 R)
• M14: 21,064,427 km (0.093 R)
• M15: 24,799,288 km (0.089 R)
• M16: 27,169,816 km (0.106 R)
• M17: 35,179,734 km (0.106 R)
• M18: 43,505,155 km (0.118 R)
• M19: 44,306,701 km (0.095 R)
• M20: 56,773,738 km (0.088 R)
• M21: 60,665,677 km (0.032 R)
• M22: 64,524,254 km (0.107 R)
• M23: 66,407,841 km (0.096 R)
• M24: 67,043,632 km (0.101 R)
• M25: 69,846,199 km (0.061 R)
• M26: 75,683,508 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 19,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit