🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.58 AU

Year: 134 Days

Day: 30.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.56 AU - 0.68 AU

Year: 179 Days

Day: 23.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.11 AU - 1.59 AU

Year: 576 Days

Day: 37.1 Hours

Environment

Temp: -23 °C

Axial Tilt: 160.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.52 AU - 1.88 AU

Year: 814 Days

Day: 18.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.39 AU - 2.29 AU

Year: 916 Days

Day: 18.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.89 AU - 2.09 AU

Year: 1031 Days

Day: 42.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,804,345 km

• M1: 228,137 km (0.076 R)
• M2: 1,493,436 km (0.099 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.72 AU - 2.68 AU

Year: 1198 Days

Day: 30 Hours

Environment

Temp: -82 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.22 AU - 4.84 AU

Year: 3539 Days

Day: 38.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,804,345 km

• M1: 1,232,836 km (0.089 R)
• M2: 1,934,300 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875

Radius: 6.8

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 10.19 AU - 16.55 AU

Year: 17946 Days

Day: 16.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 76,804,345 km

• M1: 211,681 km (0.082 R)
• M2: 334,950 km (0.098 R)
• M3: 652,845 km (0.042 R)
• M4: 792,719 km (0.109 R)
• M5: 841,488 km (0.049 R)
• M6: 1,853,218 km (0.064 R)
• M7: 2,053,231 km (0.109 R)
• M8: 3,556,839 km (0.098 R)
• M9: 3,805,770 km (0.095 R)
• M10: 5,749,196 km (0.084 R)
• M11: 5,943,523 km (0.077 R)
• M12: 6,741,778 km (0.066 R)
• M13: 7,414,968 km (0.106 R)
• M14: 7,467,627 km (0.108 R)
• M15: 8,001,242 km (0.037 R)
• M16: 9,104,975 km (0.1 R)
• M17: 9,963,667 km (0.077 R)
• M18: 10,197,040 km (0.094 R)
• M19: 11,148,482 km (0.093 R)
• M20: 11,818,830 km (0.082 R)
• M21: 12,004,032 km (0.053 R)
• M22: 12,943,806 km (0.072 R)
• M23: 13,519,160 km (0.101 R)
• M24: 14,893,665 km (0.116 R)
• M25: 16,243,486 km (0.097 R)
• M26: 16,587,113 km (0.071 R)
• M27: 16,725,192 km (0.084 R)
• M28: 16,794,306 km (0.091 R)
• M29: 16,863,570 km (0.119 R)
• M30: 17,002,546 km (0.058 R)
• M31: 17,702,514 km (0.053 R)
• M32: 17,772,975 km (0.073 R)
• M33: 17,843,585 km (0.06 R)
• M34: 20,152,030 km (0.038 R)
• M35: 20,447,187 km (0.106 R)
• M36: 20,669,339 km (0.08 R)
• M37: 21,491,230 km (0.098 R)
• M38: 23,012,640 km (0.067 R)
• M39: 23,166,726 km (0.106 R)
• M40: 23,630,928 km (0.111 R)
• M41: 25,438,669 km (0.076 R)
• M42: 25,677,727 km (0.106 R)
• M43: 25,837,647 km (0.117 R)
• M44: 27,780,773 km (0.073 R)
• M45: 28,356,276 km (0.12 R)
• M46: 28,686,888 km (0.049 R)
• M47: 30,106,422 km (0.09 R)
• M48: 31,037,070 km (0.081 R)
• M49: 32,149,181 km (0.068 R)
• M50: 32,493,854 km (0.06 R)
• M51: 36,097,817 km (0.08 R)
• M52: 36,276,885 km (0.095 R)
• M53: 37,357,131 km (0.041 R)
• M54: 37,538,294 km (0.062 R)
• M55: 39,457,186 km (0.093 R)
• M56: 40,940,449 km (0.092 R)
• M57: 41,314,145 km (0.054 R)
• M58: 42,725,601 km (0.085 R)
• M59: 43,294,521 km (0.101 R)
• M60: 44,535,884 km (0.086 R)
• M61: 44,631,777 km (0.108 R)
• M62: 46,371,151 km (0.047 R)
• M63: 46,663,166 km (0.066 R)
• M64: 46,760,554 km (0.11 R)
• M65: 47,053,467 km (0.079 R)
• M66: 47,151,154 km (0.109 R)
• M67: 48,625,591 km (0.091 R)
• M68: 49,120,311 km (0.102 R)
• M69: 49,616,827 km (0.057 R)
• M70: 50,414,632 km (0.027 R)
• M71: 50,915,486 km (0.117 R)
• M72: 51,720,173 km (0.032 R)
• M73: 52,529,048 km (0.063 R)
• M74: 53,138,510 km (0.083 R)
• M75: 54,364,315 km (0.044 R)
• M76: 56,843,900 km (0.117 R)
• M77: 58,938,270 km (0.105 R)
• M78: 59,783,049 km (0.115 R)
• M79: 61,164,286 km (0.119 R)
• M80: 64,500,319 km (0.082 R)
• M81: 68,226,652 km (0.101 R)
• M82: 68,448,057 km (0.082 R)
• M83: 70,115,774 km (0.11 R)
• M84: 70,451,023 km (0.115 R)
• M85: 70,674,672 km (0.103 R)
• M86: 71,010,818 km (0.045 R)
• M87: 72,022,100 km (0.106 R)
• M88: 73,038,168 km (0.025 R)
• M89: 73,604,845 km (0.066 R)
• M90: 75,084,667 km (0.096 R)
• M91: 76,114,948 km (0.081 R)
• M92: 76,229,689 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 13,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit