🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.41 AU - 0.63 AU

Year: 108 Days

Day: 26.2 Hours

Environment

Temp: 439 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.86 AU - 0.88 AU

Year: 234 Days

Day: 39.5 Hours

Environment

Temp: 274 °C

Axial Tilt: 172.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,188,247 km

• M1: 204,351 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.33 AU - 1.57 AU

Year: 503 Days

Day: 20.4 Hours

Environment

Temp: 183 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.6 AU - 2.44 AU

Year: 826 Days

Day: 35.3 Hours

Environment

Temp: 95 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.29 AU - 3.71 AU

Year: 1496 Days

Day: 19.9 Hours

Environment

Temp: -7 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.08 AU - 7.38 AU

Year: 5026 Days

Day: 23.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.09 AU - 9.49 AU

Year: 8151 Days

Day: 38.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,188,247 km

• M1: 6,028,046 km (0.084 R)

Planet 8 - Terrestrial

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.38 AU - 11.1 AU

Year: 8750 Days

Day: 45.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.85 AU - 11.97 AU

Year: 9668 Days

Day: 18.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 19.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.2

Radius: 7.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 15.76 AU - 22.68 AU

Year: 24255 Days

Day: 16.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 68,188,247 km

• M1: 112,348 km (0.117 R)
• M2: 280,945 km (0.098 R)
• M3: 460,013 km (0.082 R)
• M4: 1,629,270 km (0.098 R)
• M5: 1,775,876 km (0.033 R)
• M6: 1,957,787 km (0.052 R)
• M7: 2,113,968 km (0.091 R)
• M8: 2,372,323 km (0.118 R)
• M9: 2,438,445 km (0.072 R)
• M10: 2,640,851 km (0.062 R)
• M11: 2,709,517 km (0.055 R)
• M12: 3,061,820 km (0.055 R)
• M13: 3,206,930 km (0.109 R)
• M14: 4,203,850 km (0.113 R)
• M15: 4,284,333 km (0.094 R)
• M16: 4,652,643 km (0.116 R)
• M17: 4,777,558 km (0.11 R)
• M18: 5,031,126 km (0.112 R)
• M19: 5,463,165 km (0.076 R)
• M20: 5,862,441 km (0.093 R)
• M21: 5,952,350 km (0.081 R)
• M22: 6,270,993 km (0.066 R)
• M23: 6,595,022 km (0.12 R)
• M24: 6,830,040 km (0.077 R)
• M25: 7,163,494 km (0.096 R)
• M26: 7,551,102 km (0.061 R)
• M27: 7,649,089 km (0.068 R)
• M28: 7,995,258 km (0.072 R)
• M29: 8,296,249 km (0.104 R)
• M30: 10,833,728 km (0.113 R)
• M31: 12,415,726 km (0.08 R)
• M32: 12,647,602 km (0.108 R)
• M33: 14,370,970 km (0.117 R)
• M34: 15,229,063 km (0.081 R)
• M35: 16,866,113 km (0.077 R)
• M36: 17,251,776 km (0.088 R)
• M37: 17,770,581 km (0.09 R)
• M38: 20,440,305 km (0.119 R)
• M39: 20,714,069 km (0.109 R)
• M40: 20,782,735 km (0.08 R)
• M41: 23,375,116 km (0.116 R)
• M42: 23,589,789 km (0.054 R)
• M43: 23,733,253 km (0.08 R)
• M44: 25,403,514 km (0.097 R)
• M45: 26,438,731 km (0.059 R)
• M46: 26,662,380 km (0.114 R)
• M47: 26,737,029 km (0.112 R)
• M48: 28,017,288 km (0.068 R)
• M49: 28,321,420 km (0.063 R)
• M50: 28,397,565 km (0.112 R)
• M51: 28,932,976 km (0.119 R)
• M52: 29,394,486 km (0.032 R)
• M53: 29,936,030 km (0.059 R)
• M54: 30,091,312 km (0.104 R)
• M55: 32,453,014 km (0.114 R)
• M56: 32,532,899 km (0.037 R)
• M57: 32,932,625 km (0.077 R)
• M58: 33,092,844 km (0.12 R)
• M59: 33,898,578 km (0.093 R)
• M60: 34,060,443 km (0.099 R)
• M61: 34,792,126 km (0.102 R)
• M62: 35,364,937 km (0.091 R)
• M63: 36,602,560 km (0.112 R)
• M64: 37,854,395 km (0.043 R)
• M65: 38,443,362 km (0.095 R)
• M66: 38,696,780 km (0.083 R)
• M67: 38,781,303 km (0.042 R)
• M68: 41,088,102 km (0.095 R)
• M69: 41,174,271 km (0.058 R)
• M70: 42,912,598 km (0.081 R)
• M71: 43,175,441 km (0.076 R)
• M72: 48,087,488 km (0.105 R)
• M73: 48,725,373 km (0.104 R)
• M74: 50,101,374 km (0.11 R)
• M75: 50,470,432 km (0.069 R)
• M76: 50,747,936 km (0.086 R)
• M77: 51,118,490 km (0.087 R)
• M78: 51,490,091 km (0.058 R)
• M79: 51,955,789 km (0.07 R)
• M80: 53,644,001 km (0.091 R)
• M81: 54,779,449 km (0.064 R)
• M82: 54,874,444 km (0.09 R)
• M83: 55,350,165 km (0.101 R)
• M84: 58,136,126 km (0.111 R)
• M85: 58,524,033 km (0.03 R)
• M86: 60,280,013 km (0.064 R)
• M87: 61,065,851 km (0.106 R)
• M88: 63,743,503 km (0.107 R)
• M89: 63,943,366 km (0.08 R)
• M90: 64,845,291 km (0.115 R)
• M91: 65,448,919 km (0.087 R)
• M92: 67,372,747 km (0.088 R)
• M93: 67,474,474 km (0.119 R)
• M94: 68,188,205 km (0.09 R)

Kuiper Belt

Range: 38.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit