🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.49 AU - 0.75 AU

Year: 187 Days

Day: 26.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.64 AU - 0.72 AU

Year: 215 Days

Day: 34.3 Hours

Environment

Temp: 118 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.81 AU - 0.91 AU

Year: 305 Days

Day: 31.7 Hours

Environment

Temp: 32 °C

Axial Tilt: 2.9 °

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: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.61 AU - 2.87 AU

Year: 1737 Days

Day: 45.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.62 AU - 3.32 AU

Year: 1960 Days

Day: 20.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.7 AU - 4.36 AU

Year: 3098 Days

Day: 23.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.2

Radius: 4.2

Gravity: 40.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 12.69 AU - 18.01 AU

Year: 23027 Days

Day: 19.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 84,912,797 km

• M1: 54,902 km (0.091 R)
• M2: 163,810 km (0.043 R)
• M3: 387,608 km (0.105 R)
• M4: 656,136 km (0.062 R)
• M5: 705,803 km (0.085 R)
• M6: 889,509 km (0.119 R)
• M7: 2,192,357 km (0.081 R)
• M8: 2,615,868 km (0.11 R)
• M9: 2,655,661 km (0.087 R)
• M10: 3,318,530 km (0.041 R)
• M11: 3,757,599 km (0.031 R)
• M12: 4,168,245 km (0.113 R)
• M13: 4,593,103 km (0.095 R)
• M14: 4,689,295 km (0.052 R)
• M15: 4,883,922 km (0.057 R)
• M16: 6,052,879 km (0.05 R)
• M17: 6,914,563 km (0.11 R)
• M18: 7,528,812 km (0.058 R)
• M19: 7,585,510 km (0.075 R)
• M20: 8,160,414 km (0.069 R)
• M21: 8,808,921 km (0.064 R)
• M22: 10,915,409 km (0.077 R)
• M23: 12,356,934 km (0.118 R)
• M24: 12,423,804 km (0.113 R)
• M25: 12,692,781 km (0.109 R)
• M26: 15,413,667 km (0.061 R)
• M27: 16,727,884 km (0.057 R)
• M28: 16,950,336 km (0.109 R)
• M29: 17,398,232 km (0.088 R)
• M30: 17,850,168 km (0.075 R)
• M31: 18,229,548 km (0.03 R)
• M32: 18,996,536 km (0.104 R)
• M33: 21,359,584 km (0.046 R)
• M34: 21,762,451 km (0.057 R)
• M35: 21,924,166 km (0.114 R)
• M36: 22,330,474 km (0.094 R)
• M37: 22,739,325 km (0.1 R)
• M38: 24,231,265 km (0.086 R)
• M39: 24,988,978 km (0.094 R)
• M40: 26,441,424 km (0.071 R)
• M41: 29,159,467 km (0.111 R)
• M42: 29,427,098 km (0.045 R)
• M43: 30,506,147 km (0.076 R)
• M44: 30,596,654 km (0.113 R)
• M45: 32,610,092 km (0.058 R)
• M46: 33,073,696 km (0.09 R)
• M47: 33,913,688 km (0.059 R)
• M48: 34,195,081 km (0.064 R)
• M49: 34,383,275 km (0.092 R)
• M50: 35,139,193 km (0.091 R)
• M51: 35,614,316 km (0.116 R)
• M52: 36,475,102 km (0.091 R)
• M53: 38,217,020 km (0.111 R)
• M54: 38,509,933 km (0.12 R)
• M55: 40,481,932 km (0.108 R)
• M56: 40,780,529 km (0.109 R)
• M57: 43,500,817 km (0.077 R)
• M58: 44,934,264 km (0.061 R)
• M59: 45,760,343 km (0.106 R)
• M60: 45,863,865 km (0.114 R)
• M61: 45,967,536 km (0.045 R)
• M62: 47,847,233 km (0.115 R)
• M63: 48,796,432 km (0.049 R)
• M64: 49,114,178 km (0.095 R)
• M65: 49,432,672 km (0.066 R)
• M66: 50,285,230 km (0.092 R)
• M67: 52,872,076 km (0.105 R)
• M68: 53,416,463 km (0.109 R)
• M69: 54,291,311 km (0.078 R)
• M70: 55,170,797 km (0.115 R)
• M71: 57,725,630 km (0.063 R)
• M72: 58,173,825 km (0.065 R)
• M73: 63,410,797 km (0.103 R)
• M74: 65,383,993 km (0.076 R)
• M75: 65,968,323 km (0.11 R)
• M76: 68,440,727 km (0.076 R)
• M77: 68,915,101 km (0.107 R)
• M78: 70,583,866 km (0.099 R)
• M79: 72,145,518 km (0.031 R)
• M80: 72,991,045 km (0.072 R)
• M81: 73,354,418 km (0.052 R)
• M82: 73,718,390 km (0.06 R)
• M83: 74,082,960 km (0.083 R)
• M84: 75,424,853 km (0.088 R)
• M85: 75,547,224 km (0.094 R)
• M86: 75,914,786 km (0.076 R)
• M87: 78,009,006 km (0.064 R)
• M88: 78,504,475 km (0.067 R)
• M89: 78,752,657 km (0.116 R)
• M90: 79,623,167 km (0.078 R)
• M91: 81,876,261 km (0.099 R)
• M92: 82,505,769 km (0.071 R)
• M93: 83,010,662 km (0.112 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: 395 - 18,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit