🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.75 AU

Year: 166 Days

Day: 24.1 Hours

Environment

Temp: 209 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.85 AU - 1.25 AU

Year: 385 Days

Day: 14.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 41,027,891 km

• M1: 115,938 km (0.098 R)
• M2: 369,656 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.95 AU - 1.27 AU

Year: 419 Days

Day: 36.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 46.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.25 AU - 3.23 AU

Year: 1624 Days

Day: 45.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.04 AU - 3.04 AU

Year: 1898 Days

Day: 28 Hours

Environment

Temp: -91 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.9 AU - 3.44 AU

Year: 2021 Days

Day: 27.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 95.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,027,891 km

• M1: 1,949,260 km (0.115 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.95 AU - 3.99 AU

Year: 2833 Days

Day: 32.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,027,891 km

• M1: 1,553,873 km (0.043 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 12.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.93 AU - 10.01 AU

Year: 8829 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 41,027,891 km

• M1: 166,203 km (0.031 R)
• M2: 442,660 km (0.086 R)
• M3: 860,637 km (0.04 R)
• M4: 1,059,303 km (0.069 R)
• M5: 1,182,571 km (0.106 R)
• M6: 1,503,010 km (0.114 R)
• M7: 1,602,492 km (0.102 R)
• M8: 2,067,742 km (0.061 R)
• M9: 2,792,394 km (0.089 R)
• M10: 3,195,560 km (0.118 R)
• M11: 3,299,381 km (0.079 R)
• M12: 3,430,728 km (0.071 R)
• M13: 4,141,767 km (0.112 R)
• M14: 4,255,162 km (0.108 R)
• M15: 4,369,754 km (0.036 R)
• M16: 4,808,375 km (0.108 R)
• M17: 5,017,961 km (0.057 R)
• M18: 5,353,509 km (0.038 R)
• M19: 6,370,925 km (0.105 R)
• M20: 7,104,852 km (0.091 R)
• M21: 7,207,027 km (0.047 R)
• M22: 7,412,724 km (0.063 R)
• M23: 7,690,228 km (0.092 R)
• M24: 8,184,051 km (0.076 R)
• M25: 8,362,970 km (0.057 R)
• M26: 8,579,438 km (0.047 R)
• M27: 8,761,199 km (0.114 R)
• M28: 9,314,113 km (0.075 R)
• M29: 9,426,162 km (0.097 R)
• M30: 9,840,548 km (0.045 R)
• M31: 9,916,544 km (0.091 R)
• M32: 10,030,836 km (0.119 R)
• M33: 10,453,899 km (0.042 R)
• M34: 10,726,167 km (0.061 R)
• M35: 11,040,323 km (0.104 R)
• M36: 13,071,264 km (0.049 R)
• M37: 13,364,775 km (0.111 R)
• M38: 14,086,435 km (0.107 R)
• M39: 14,387,426 km (0.075 R)
• M40: 14,864,493 km (0.116 R)
• M41: 15,127,037 km (0.088 R)
• M42: 15,258,833 km (0.105 R)
• M43: 15,479,340 km (0.038 R)
• M44: 16,012,956 km (0.056 R)
• M45: 16,824,674 km (0.071 R)
• M46: 17,144,066 km (0.106 R)
• M47: 17,465,402 km (0.119 R)
• M48: 17,603,630 km (0.071 R)
• M49: 18,067,384 km (0.076 R)
• M50: 18,254,082 km (0.036 R)
• M51: 18,817,767 km (0.055 R)
• M52: 19,196,698 km (0.113 R)
• M53: 19,291,842 km (0.055 R)
• M54: 19,626,193 km (0.05 R)
• M55: 20,010,510 km (0.092 R)
• M56: 20,300,431 km (0.108 R)
• M57: 20,884,461 km (0.067 R)
• M58: 21,870,012 km (0.052 R)
• M59: 22,019,161 km (0.049 R)
• M60: 25,437,472 km (0.106 R)
• M61: 26,436,487 km (0.091 R)
• M62: 27,074,073 km (0.108 R)
• M63: 27,448,367 km (0.101 R)
• M64: 28,094,031 km (0.033 R)
• M65: 28,690,328 km (0.052 R)
• M66: 28,799,086 km (0.117 R)
• M67: 29,126,556 km (0.069 R)
• M68: 29,235,912 km (0.029 R)
• M69: 29,345,567 km (0.094 R)
• M70: 30,282,199 km (0.114 R)
• M71: 30,503,903 km (0.117 R)
• M72: 30,837,656 km (0.102 R)
• M73: 31,172,606 km (0.074 R)
• M74: 31,902,494 km (0.118 R)
• M75: 32,581,369 km (0.114 R)
• M76: 34,125,817 km (0.094 R)
• M77: 34,414,541 km (0.118 R)
• M78: 34,645,969 km (0.046 R)
• M79: 35,227,007 km (0.096 R)
• M80: 37,583,323 km (0.074 R)
• M81: 38,240,058 km (0.12 R)
• M82: 38,660,129 km (0.109 R)
• M83: 40,782,923 km (0.088 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit