🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.14 AU - 1.28 AU

Year: 507 Days

Day: 38.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.24 AU - 1.9 AU

Year: 749 Days

Day: 15.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 158.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.66 AU - 1.78 AU

Year: 859 Days

Day: 25.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 121.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.83 AU - 3.27 AU

Year: 2028 Days

Day: 44.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,492,338 km

• M1: 333,304 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 13.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6 AU - 7.62 AU

Year: 6767 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,492,338 km

• M1: 171,589 km (0.096 R)
• M2: 612,902 km (0.05 R)
• M3: 1,715,439 km (0.116 R)
• M4: 2,620,057 km (0.076 R)
• M5: 3,289,956 km (0.117 R)
• M6: 3,726,184 km (0.054 R)
• M7: 4,227,337 km (0.093 R)
• M8: 4,859,388 km (0.078 R)
• M9: 5,942,027 km (0.103 R)
• M10: 10,161,884 km (0.118 R)
• M11: 12,195,069 km (0.111 R)
• M12: 12,798,995 km (0.084 R)
• M13: 14,185,768 km (0.107 R)
• M14: 15,164,587 km (0.078 R)
• M15: 18,730,551 km (0.058 R)
• M16: 19,758,737 km (0.038 R)
• M17: 20,824,024 km (0.111 R)
• M18: 21,449,791 km (0.079 R)
• M19: 22,739,026 km (0.093 R)
• M20: 24,250,563 km (0.081 R)
• M21: 27,566,400 km (0.059 R)
• M22: 29,089,755 km (0.083 R)
• M23: 29,675,281 km (0.075 R)
• M24: 30,468,150 km (0.106 R)
• M25: 31,992,851 km (0.12 R)
• M26: 39,191,949 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 14.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.96 AU - 9.76 AU

Year: 10905 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,492,338 km

• M1: 180,864 km (0.069 R)
• M2: 638,783 km (0.065 R)
• M3: 1,376,300 km (0.092 R)
• M4: 2,190,412 km (0.088 R)
• M5: 3,177,608 km (0.078 R)
• M6: 3,847,508 km (0.069 R)
• M7: 7,795,246 km (0.073 R)
• M8: 8,498,356 km (0.118 R)
• M9: 9,153,595 km (0.107 R)
• M10: 11,956,460 km (0.115 R)
• M11: 13,877,895 km (0.067 R)
• M12: 15,037,428 km (0.112 R)
• M13: 16,063,221 km (0.109 R)
• M14: 16,660,416 km (0.073 R)
• M15: 18,254,231 km (0.111 R)
• M16: 18,758,975 km (0.093 R)
• M17: 19,720,889 km (0.096 R)
• M18: 20,329,154 km (0.049 R)
• M19: 24,767,872 km (0.065 R)
• M20: 26,748,249 km (0.102 R)
• M21: 27,588,241 km (0.041 R)
• M22: 30,213,833 km (0.065 R)
• M23: 33,536,402 km (0.104 R)
• M24: 35,174,798 km (0.089 R)
• M25: 36,866,002 km (0.065 R)
• M26: 39,924,829 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 8.8

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.79 AU - 13.19 AU

Year: 13874 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,492,338 km

• M1: 112,647 km (0.083 R)
• M2: 550,071 km (0.092 R)
• M3: 1,839,306 km (0.04 R)
• M4: 4,199,511 km (0.086 R)
• M5: 5,504,304 km (0.089 R)
• M6: 5,849,426 km (0.112 R)
• M7: 6,208,910 km (0.086 R)
• M8: 7,940,356 km (0.094 R)
• M9: 10,427,869 km (0.107 R)
• M10: 11,566,608 km (0.101 R)
• M11: 13,668,907 km (0.105 R)
• M12: 17,608,417 km (0.097 R)
• M13: 19,044,856 km (0.077 R)
• M14: 23,821,217 km (0.049 R)
• M15: 25,364,917 km (0.098 R)
• M16: 29,923,015 km (0.093 R)
• M17: 36,185,331 km (0.072 R)
• M18: 38,917,288 km (0.093 R)
• M19: 41,199,553 km (0.077 R)
• M20: 56,794,084 km (0.05 R)
• M21: 59,353,703 km (0.119 R)
• M22: 61,039,222 km (0.111 R)
• M23: 61,989,169 km (0.117 R)
• M24: 62,371,990 km (0.093 R)
• M25: 62,756,307 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 14,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit