🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.43 AU - 0.59 AU

Year: 153 Days

Day: 12.9 Hours

Environment

Temp: 86 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.12 AU - 1.36 AU

Year: 579 Days

Day: 29.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.59 AU - 1.71 AU

Year: 888 Days

Day: 30.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 51.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.62 AU - 2.6 AU

Year: 1284 Days

Day: 37 Hours

Environment

Temp: -104 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,825,552 km

• M1: 56,099 km (0.059 R)
• M2: 203,453 km (0.09 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 14.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.05 AU - 8.43 AU

Year: 8162 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,825,552 km

• M1: 181,612 km (0.099 R)
• M2: 887,415 km (0.113 R)
• M3: 1,866,084 km (0.077 R)
• M4: 2,643,544 km (0.07 R)
• M5: 3,502,834 km (0.102 R)
• M6: 4,107,658 km (0.117 R)
• M7: 5,553,372 km (0.041 R)
• M8: 6,008,598 km (0.117 R)
• M9: 6,654,412 km (0.049 R)
• M10: 8,441,209 km (0.094 R)
• M11: 10,153,656 km (0.114 R)
• M12: 13,208,594 km (0.108 R)
• M13: 15,018,579 km (0.1 R)
• M14: 17,736,473 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 13

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.28 AU - 7.3 AU

Year: 8247 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,825,552 km

• M1: 163,660 km (0.106 R)
• M2: 609,611 km (0.09 R)
• M3: 3,449,129 km (0.071 R)
• M4: 5,438,631 km (0.086 R)
• M5: 10,602,300 km (0.089 R)
• M6: 11,021,474 km (0.087 R)
• M7: 14,073,120 km (0.118 R)
• M8: 18,903,037 km (0.12 R)
• M9: 19,458,494 km (0.119 R)
• M10: 22,263,903 km (0.118 R)
• M11: 23,656,510 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 14.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.84 AU - 9.04 AU

Year: 9374 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,825,552 km

• M1: 183,257 km (0.106 R)
• M2: 698,323 km (0.073 R)
• M3: 1,327,831 km (0.078 R)
• M4: 2,701,887 km (0.065 R)
• M5: 3,181,498 km (0.097 R)
• M6: 3,955,218 km (0.117 R)
• M7: 5,879,944 km (0.096 R)
• M8: 6,541,167 km (0.09 R)
• M9: 8,323,177 km (0.093 R)
• M10: 8,920,970 km (0.116 R)
• M11: 11,269,956 km (0.119 R)
• M12: 14,393,110 km (0.106 R)
• M13: 15,391,975 km (0.119 R)
• M14: 17,751,882 km (0.045 R)
• M15: 21,516,811 km (0.067 R)
• M16: 23,904,992 km (0.086 R)
• M17: 24,832,798 km (0.074 R)
• M18: 25,688,198 km (0.117 R)
• M19: 27,963,732 km (0.099 R)
• M20: 29,942,612 km (0.118 R)
• M21: 32,124,647 km (0.114 R)
• M22: 33,140,416 km (0.068 R)
• M23: 33,945,253 km (0.032 R)
• M24: 41,387,149 km (0.119 R)
• M25: 42,320,490 km (0.088 R)
• M26: 42,995,774 km (0.094 R)
• M27: 50,149,694 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.3

Radius: 7.5

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.31 AU - 14.45 AU

Year: 18250 Days

Day: 21.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,825,552 km

• M1: 93,349 km (0.101 R)
• M2: 1,027,289 km (0.075 R)
• M3: 1,754,783 km (0.074 R)
• M4: 2,535,235 km (0.099 R)
• M5: 3,206,780 km (0.118 R)
• M6: 3,528,565 km (0.115 R)
• M7: 4,493,621 km (0.114 R)
• M8: 5,398,987 km (0.054 R)
• M9: 6,631,225 km (0.113 R)
• M10: 8,636,584 km (0.089 R)
• M11: 9,261,455 km (0.053 R)
• M12: 12,257,451 km (0.086 R)
• M13: 14,150,014 km (0.073 R)
• M14: 16,307,215 km (0.092 R)
• M15: 30,558,806 km (0.036 R)
• M16: 39,645,829 km (0.11 R)
• M17: 42,687,004 km (0.114 R)
• M18: 43,734,339 km (0.043 R)
• M19: 58,949,340 km (0.118 R)
• M20: 66,825,518 km (0.103 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: 147 - 18,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit