🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 153 Days

Day: 26.4 Hours

Environment

Temp: 180 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.95 AU

Year: 248 Days

Day: 32.6 Hours

Environment

Temp: 148 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.67 AU - 0.95 AU

Year: 273 Days

Day: 14.7 Hours

Environment

Temp: 74 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.42 AU

Year: 536 Days

Day: 33.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,372,545 km

• M1: 676,033 km (0.057 R)
• M2: 861,684 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.42 AU - 2.66 AU

Year: 1517 Days

Day: 43.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.83 AU - 4.65 AU

Year: 2710 Days

Day: 46.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.96 AU - 4.14 AU

Year: 3054 Days

Day: 20 Hours

Environment

Temp: -134 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.7

Radius: 7.6

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 9.84 AU - 15.94 AU

Year: 17342 Days

Day: 24.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 66,372,545 km

• M1: 216,319 km (0.11 R)
• M2: 268,079 km (0.104 R)
• M3: 624,721 km (0.09 R)
• M4: 1,117,646 km (0.087 R)
• M5: 1,401,732 km (0.086 R)
• M6: 1,566,140 km (0.07 R)
• M7: 1,913,955 km (0.096 R)
• M8: 2,004,611 km (0.097 R)
• M9: 2,221,977 km (0.113 R)
• M10: 2,512,496 km (0.036 R)
• M11: 2,645,638 km (0.067 R)
• M12: 3,058,828 km (0.096 R)
• M13: 3,129,737 km (0.116 R)
• M14: 3,236,999 km (0.071 R)
• M15: 4,178,269 km (0.116 R)
• M16: 4,740,158 km (0.074 R)
• M17: 4,988,191 km (0.114 R)
• M18: 5,411,105 km (0.106 R)
• M19: 5,497,123 km (0.105 R)
• M20: 6,980,386 km (0.105 R)
• M21: 7,215,404 km (0.09 R)
• M22: 7,357,672 km (0.118 R)
• M23: 7,548,709 km (0.116 R)
• M24: 8,478,908 km (0.111 R)
• M25: 9,341,489 km (0.114 R)
• M26: 9,496,622 km (0.097 R)
• M27: 10,498,779 km (0.045 R)
• M28: 11,423,593 km (0.11 R)
• M29: 11,923,848 km (0.086 R)
• M30: 12,317,739 km (0.12 R)
• M31: 12,487,981 km (0.103 R)
• M32: 13,118,536 km (0.074 R)
• M33: 13,759,414 km (0.083 R)
• M34: 16,548,217 km (0.1 R)
• M35: 16,673,431 km (0.102 R)
• M36: 16,861,625 km (0.11 R)
• M37: 17,941,871 km (0.053 R)
• M38: 18,587,685 km (0.116 R)
• M39: 18,717,835 km (0.092 R)
• M40: 21,586,823 km (0.082 R)
• M41: 21,723,556 km (0.109 R)
• M42: 22,204,363 km (0.064 R)
• M43: 22,758,324 km (0.048 R)
• M44: 22,967,163 km (0.092 R)
• M45: 25,450,787 km (0.062 R)
• M46: 25,667,554 km (0.103 R)
• M47: 26,248,742 km (0.119 R)
• M48: 27,498,183 km (0.046 R)
• M49: 28,541,628 km (0.118 R)
• M50: 29,446,246 km (0.103 R)
• M51: 30,130,956 km (0.113 R)
• M52: 30,666,965 km (0.103 R)
• M53: 31,593,425 km (0.12 R)
• M54: 31,748,707 km (0.069 R)
• M55: 32,216,201 km (0.113 R)
• M56: 32,764,327 km (0.07 R)
• M57: 32,921,555 km (0.091 R)
• M58: 33,394,583 km (0.109 R)
• M59: 34,188,050 km (0.086 R)
• M60: 34,827,282 km (0.11 R)
• M61: 34,907,466 km (0.092 R)
• M62: 35,470,553 km (0.059 R)
• M63: 35,712,752 km (0.078 R)
• M64: 35,874,467 km (0.091 R)
• M65: 36,442,640 km (0.053 R)
• M66: 37,834,797 km (0.083 R)
• M67: 38,827,828 km (0.116 R)
• M68: 39,745,761 km (0.095 R)
• M69: 40,502,128 km (0.062 R)
• M70: 41,773,111 km (0.077 R)
• M71: 41,858,382 km (0.084 R)
• M72: 42,114,344 km (0.11 R)
• M73: 42,971,240 km (0.106 R)
• M74: 43,229,446 km (0.099 R)
• M75: 43,574,569 km (0.052 R)
• M76: 44,789,602 km (0.099 R)
• M77: 47,252,731 km (0.117 R)
• M78: 48,949,022 km (0.072 R)
• M79: 53,785,222 km (0.105 R)
• M80: 54,063,474 km (0.106 R)
• M81: 54,342,324 km (0.025 R)
• M82: 54,435,224 km (0.069 R)
• M83: 56,589,434 km (0.113 R)
• M84: 56,778,077 km (0.116 R)
• M85: 57,061,415 km (0.11 R)
• M86: 57,345,202 km (0.092 R)
• M87: 58,199,406 km (0.115 R)
• M88: 59,824,488 km (0.077 R)
• M89: 60,594,318 km (0.101 R)
• M90: 62,338,480 km (0.086 R)
• M91: 64,985,614 km (0.116 R)
• M92: 65,380,852 km (0.082 R)
• M93: 66,372,536 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 13,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit