🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.65 AU - 0.69 AU

Year: 201 Days

Day: 28.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 178.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.84 AU - 1.14 AU

Year: 362 Days

Day: 23 Hours

Environment

Temp: 40 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,221,599 km

• M1: 358,586 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.51 AU - 2.13 AU

Year: 901 Days

Day: 25.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.53 AU - 2.49 AU

Year: 1046 Days

Day: 43.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.71 AU - 3.39 AU

Year: 1955 Days

Day: 29.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.33 AU - 3.79 AU

Year: 1965 Days

Day: 36.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,221,599 km

• M1: 166,951 km (0.074 R)
• M2: 275,559 km (0.088 R)

Asteroid Belt

Center: 8.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.5

Radius: 3.6

Gravity: 43.63 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 13.11 AU - 15.57 AU

Year: 19934 Days

Day: 24.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 133.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 71,221,599 km

• M1: 77,791 km (0.067 R)
• M2: 343,178 km (0.1 R)
• M3: 414,685 km (0.096 R)
• M4: 572,062 km (0.069 R)
• M5: 746,942 km (0.036 R)
• M6: 816,804 km (0.113 R)
• M7: 962,812 km (0.12 R)
• M8: 1,064,838 km (0.055 R)
• M9: 1,902,885 km (0.115 R)
• M10: 1,966,614 km (0.091 R)
• M11: 3,342,615 km (0.052 R)
• M12: 3,934,125 km (0.106 R)
• M13: 6,458,888 km (0.036 R)
• M14: 6,651,271 km (0.082 R)
• M15: 6,796,830 km (0.104 R)
• M16: 7,190,122 km (0.082 R)
• M17: 7,289,455 km (0.098 R)
• M18: 7,742,737 km (0.026 R)
• M19: 7,793,750 km (0.091 R)
• M20: 8,465,744 km (0.026 R)
• M21: 8,676,228 km (0.091 R)
• M22: 9,264,147 km (0.116 R)
• M23: 10,030,537 km (0.067 R)
• M24: 10,309,238 km (0.12 R)
• M25: 10,421,436 km (0.115 R)
• M26: 10,817,272 km (0.096 R)
• M27: 11,160,450 km (0.054 R)
• M28: 11,333,385 km (0.089 R)
• M29: 11,449,174 km (0.113 R)
• M30: 11,798,784 km (0.04 R)
• M31: 13,050,170 km (0.108 R)
• M32: 13,722,164 km (0.092 R)
• M33: 14,593,721 km (0.118 R)
• M34: 14,656,702 km (0.041 R)
• M35: 14,972,802 km (0.108 R)
• M36: 15,163,390 km (0.11 R)
• M37: 15,611,585 km (0.093 R)
• M38: 16,194,119 km (0.111 R)
• M39: 17,047,874 km (0.074 R)
• M40: 19,073,579 km (0.031 R)
• M41: 19,487,666 km (0.061 R)
• M42: 20,889,547 km (0.116 R)
• M43: 21,316,350 km (0.087 R)
• M44: 22,178,632 km (0.036 R)
• M45: 22,905,977 km (0.072 R)
• M46: 23,788,904 km (0.086 R)
• M47: 25,968,246 km (0.053 R)
• M48: 26,197,430 km (0.104 R)
• M49: 28,053,939 km (0.114 R)
• M50: 30,917,242 km (0.11 R)
• M51: 32,712,118 km (0.103 R)
• M52: 33,042,130 km (0.056 R)
• M53: 33,290,313 km (0.107 R)
• M54: 33,705,298 km (0.117 R)
• M55: 34,708,501 km (0.095 R)
• M56: 35,298,066 km (0.111 R)
• M57: 36,316,678 km (0.104 R)
• M58: 37,172,677 km (0.117 R)
• M59: 37,776,006 km (0.061 R)
• M60: 39,166,967 km (0.025 R)
• M61: 39,604,989 km (0.098 R)
• M62: 41,195,514 km (0.104 R)
• M63: 41,284,524 km (0.113 R)
• M64: 42,267,382 km (0.057 R)
• M65: 42,357,141 km (0.103 R)
• M66: 42,626,716 km (0.096 R)
• M67: 43,710,852 km (0.083 R)
• M68: 43,892,464 km (0.07 R)
• M69: 44,074,225 km (0.038 R)
• M70: 44,987,072 km (0.079 R)
• M71: 45,078,775 km (0.079 R)
• M72: 45,629,744 km (0.107 R)
• M73: 48,230,653 km (0.065 R)
• M74: 48,700,240 km (0.12 R)
• M75: 49,265,571 km (0.084 R)
• M76: 49,643,754 km (0.049 R)
• M77: 49,833,145 km (0.038 R)
• M78: 50,688,546 km (0.079 R)
• M79: 51,836,560 km (0.115 R)
• M80: 52,028,793 km (0.067 R)
• M81: 52,799,820 km (0.061 R)
• M82: 53,963,542 km (0.103 R)
• M83: 54,060,931 km (0.095 R)
• M84: 54,450,932 km (0.118 R)
• M85: 54,646,307 km (0.083 R)
• M86: 56,415,003 km (0.102 R)
• M87: 57,903,053 km (0.075 R)
• M88: 58,002,834 km (0.107 R)
• M89: 60,209,852 km (0.109 R)
• M90: 62,751,220 km (0.093 R)
• M91: 65,742,579 km (0.068 R)
• M92: 66,263,030 km (0.054 R)
• M93: 68,780,164 km (0.118 R)
• M94: 69,732,055 km (0.056 R)
• M95: 70,156,614 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 18,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit