🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.44 AU - 0.64 AU

Year: 178 Days

Day: 21.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.52 AU - 0.7 AU

Year: 214 Days

Day: 31.4 Hours

Environment

Temp: -13 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.54 AU - 0.74 AU

Year: 230 Days

Day: 45.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.66 AU - 0.74 AU

Year: 263 Days

Day: 33.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.65 AU - 0.85 AU

Year: 292 Days

Day: 19.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.96 AU - 1.04 AU

Year: 450 Days

Day: 48 Hours

Environment

Temp: -80 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.02 AU - 1.26 AU

Year: 547 Days

Day: 47.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.17 AU - 1.81 AU

Year: 818 Days

Day: 22.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 9.6

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.4 AU - 7 AU

Year: 6941 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 42,345,595 km

• M1: 221,405 km (0.05 R)
• M2: 372,499 km (0.103 R)
• M3: 563,386 km (0.087 R)
• M4: 1,092,812 km (0.066 R)
• M5: 1,723,367 km (0.049 R)
• M6: 2,053,081 km (0.096 R)
• M7: 2,237,236 km (0.104 R)
• M8: 2,475,097 km (0.053 R)
• M9: 2,696,202 km (0.1 R)
• M10: 2,821,865 km (0.117 R)
• M11: 3,027,113 km (0.109 R)
• M12: 3,783,480 km (0.116 R)
• M13: 4,446,946 km (0.077 R)
• M14: 4,746,740 km (0.051 R)
• M15: 5,022,300 km (0.076 R)
• M16: 5,084,084 km (0.052 R)
• M17: 5,749,794 km (0.069 R)
• M18: 5,912,407 km (0.072 R)
• M19: 6,577,818 km (0.091 R)
• M20: 6,782,169 km (0.086 R)
• M21: 7,023,171 km (0.096 R)
• M22: 7,197,154 km (0.094 R)
• M23: 7,513,703 km (0.112 R)
• M24: 7,620,216 km (0.071 R)
• M25: 7,870,942 km (0.072 R)
• M26: 9,816,163 km (0.119 R)
• M27: 10,562,358 km (0.108 R)
• M28: 10,882,048 km (0.083 R)
• M29: 11,367,643 km (0.043 R)
• M30: 11,490,014 km (0.077 R)
• M31: 11,612,984 km (0.119 R)
• M32: 12,234,114 km (0.087 R)
• M33: 12,569,961 km (0.115 R)
• M34: 12,781,343 km (0.104 R)
• M35: 13,465,604 km (0.055 R)
• M36: 14,205,814 km (0.11 R)
• M37: 15,003,769 km (0.077 R)
• M38: 15,273,045 km (0.12 R)
• M39: 16,504,535 km (0.081 R)
• M40: 16,922,062 km (0.1 R)
• M41: 17,108,760 km (0.085 R)
• M42: 17,296,057 km (0.112 R)
• M43: 17,578,498 km (0.084 R)
• M44: 18,052,424 km (0.091 R)
• M45: 19,012,992 km (0.118 R)
• M46: 19,158,551 km (0.062 R)
• M47: 19,695,308 km (0.114 R)
• M48: 19,990,165 km (0.106 R)
• M49: 20,933,529 km (0.097 R)
• M50: 21,133,990 km (0.074 R)
• M51: 21,891,404 km (0.087 R)
• M52: 22,350,071 km (0.092 R)
• M53: 23,797,431 km (0.073 R)
• M54: 24,059,078 km (0.108 R)
• M55: 24,321,622 km (0.115 R)
• M56: 24,479,597 km (0.054 R)
• M57: 24,638,021 km (0.115 R)
• M58: 25,115,089 km (0.103 R)
• M59: 25,274,859 km (0.118 R)
• M60: 26,078,499 km (0.045 R)
• M61: 26,294,219 km (0.073 R)
• M62: 26,890,516 km (0.068 R)
• M63: 27,163,084 km (0.116 R)
• M64: 27,546,054 km (0.064 R)
• M65: 27,875,918 km (0.064 R)
• M66: 28,761,687 km (0.119 R)
• M67: 29,040,387 km (0.118 R)
• M68: 29,488,283 km (0.031 R)
• M69: 30,788,289 km (0.089 R)
• M70: 31,187,715 km (0.112 R)
• M71: 33,561,385 km (0.082 R)
• M72: 33,678,669 km (0.111 R)
• M73: 37,441,953 km (0.102 R)
• M74: 37,868,307 km (0.06 R)
• M75: 37,990,379 km (0.071 R)
• M76: 38,173,786 km (0.116 R)
• M77: 38,418,678 km (0.107 R)
• M78: 40,397,409 km (0.113 R)
• M79: 40,897,215 km (0.085 R)
• M80: 41,650,740 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 12,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit