🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.6 AU - 1.74 AU

Year: 755 Days

Day: 47.2 Hours

Environment

Temp: -29 °C

Axial Tilt: 163.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,074,268 km

• M1: 454,927 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.29 AU - 3.63 AU

Year: 1782 Days

Day: 33.8 Hours

Environment

Temp: -85 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,074,268 km

• M1: 14,810 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.19 AU - 5.23 AU

Year: 3022 Days

Day: 24 Hours

Environment

Temp: -114 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.02 AU - 4.72 AU

Year: 3196 Days

Day: 20.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.81 AU - 4.97 AU

Year: 3218 Days

Day: 14.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.27 AU - 6.75 AU

Year: 4525 Days

Day: 16.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,074,268 km

• M1: 61,186 km (0.086 R)
• M2: 139,874 km (0.081 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.63 AU - 6.43 AU

Year: 4550 Days

Day: 34.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 11.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.15 AU - 10.17 AU

Year: 9699 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,074,268 km

• M1: 140,472 km (0.103 R)
• M2: 601,084 km (0.054 R)
• M3: 1,019,809 km (0.055 R)
• M4: 1,566,589 km (0.092 R)
• M5: 2,177,696 km (0.072 R)
• M6: 4,969,192 km (0.073 R)
• M7: 8,583,926 km (0.081 R)
• M8: 12,517,153 km (0.117 R)
• M9: 13,538,009 km (0.101 R)
• M10: 19,255,191 km (0.076 R)
• M11: 26,597,454 km (0.103 R)
• M12: 42,905,866 km (0.105 R)
• M13: 45,356,878 km (0.062 R)
• M14: 47,326,633 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.6

Radius: 4.7

Gravity: 34.98 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 12.79 AU - 15.67 AU

Year: 18780 Days

Day: 18.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,074,268 km

• M1: 59,839 km (0.088 R)
• M2: 210,185 km (0.104 R)
• M3: 369,357 km (0.106 R)
• M4: 1,316,760 km (0.113 R)
• M5: 2,275,832 km (0.109 R)
• M6: 6,391,569 km (0.088 R)
• M7: 6,836,473 km (0.051 R)
• M8: 8,451,083 km (0.093 R)
• M9: 8,769,726 km (0.118 R)
• M10: 10,790,644 km (0.028 R)
• M11: 12,684,403 km (0.114 R)
• M12: 13,457,226 km (0.107 R)
• M13: 14,485,562 km (0.079 R)
• M14: 19,581,464 km (0.063 R)
• M15: 21,678,377 km (0.071 R)
• M16: 22,275,273 km (0.084 R)
• M17: 27,450,012 km (0.044 R)
• M18: 31,818,570 km (0.062 R)
• M19: 39,794,230 km (0.072 R)
• M20: 44,717,496 km (0.101 R)
• M21: 45,037,935 km (0.047 R)
• M22: 46,663,615 km (0.116 R)
• M23: 47,991,895 km (0.116 R)
• M24: 59,732,036 km (0.115 R)
• M25: 68,892,363 km (0.086 R)
• M26: 71,484,146 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.3

Radius: 3.5

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 14.87 AU - 19.43 AU

Year: 24847 Days

Day: 19.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,074,268 km

• M1: 240,853 km (0.113 R)
• M2: 369,208 km (0.106 R)
• M3: 603,328 km (0.113 R)
• M4: 1,155,045 km (0.094 R)
• M5: 1,444,816 km (0.061 R)
• M6: 1,668,764 km (0.057 R)
• M7: 6,919,650 km (0.092 R)
• M8: 14,609,429 km (0.096 R)
• M9: 16,660,565 km (0.101 R)
• M10: 16,808,667 km (0.048 R)
• M11: 28,019,681 km (0.091 R)
• M12: 29,077,937 km (0.052 R)
• M13: 30,052,866 km (0.106 R)
• M14: 47,548,337 km (0.088 R)
• M15: 49,203,637 km (0.104 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 20,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit