🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.62 AU - 0.88 AU

Year: 241 Days

Day: 18.6 Hours

Environment

Temp: 187 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.82 AU - 0.98 AU

Year: 317 Days

Day: 34.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,551,481 km

• M1: 51,910 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.74 AU - 2.02 AU

Year: 956 Days

Day: 18.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,551,481 km

• M1: 39,643 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 3.3

Gravity: 51.76 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 12.53 AU - 18.17 AU

Year: 22303 Days

Day: 22 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,551,481 km

• M1: 40,990 km (0.111 R)
• M2: 180,265 km (0.044 R)
• M3: 299,645 km (0.099 R)
• M4: 480,508 km (0.106 R)
• M5: 761,004 km (0.117 R)
• M6: 868,266 km (0.104 R)
• M7: 1,195,885 km (0.114 R)
• M8: 1,372,560 km (0.097 R)
• M9: 2,131,022 km (0.106 R)
• M10: 2,280,171 km (0.106 R)
• M11: 2,671,818 km (0.104 R)
• M12: 2,948,125 km (0.085 R)
• M13: 3,053,143 km (0.082 R)
• M14: 4,380,375 km (0.117 R)
• M15: 5,019,607 km (0.108 R)
• M16: 6,007,402 km (0.082 R)
• M17: 7,071,192 km (0.096 R)
• M18: 7,746,327 km (0.119 R)
• M19: 8,099,528 km (0.117 R)
• M20: 8,410,841 km (0.093 R)
• M21: 10,754,591 km (0.074 R)
• M22: 13,571,668 km (0.12 R)
• M23: 14,383,386 km (0.116 R)
• M24: 15,383,598 km (0.081 R)
• M25: 16,843,972 km (0.062 R)
• M26: 18,393,956 km (0.059 R)
• M27: 22,884,435 km (0.08 R)
• M28: 25,326,172 km (0.108 R)
• M29: 28,645,150 km (0.039 R)
• M30: 30,719,474 km (0.082 R)
• M31: 31,729,409 km (0.058 R)
• M32: 36,129,681 km (0.117 R)
• M33: 37,969,136 km (0.047 R)
• M34: 48,277,327 km (0.108 R)
• M35: 55,722,514 km (0.114 R)
• M36: 57,222,233 km (0.095 R)
• M37: 63,490,533 km (0.106 R)
• M38: 66,580,028 km (0.085 R)
• M39: 66,789,615 km (0.094 R)
• M40: 76,447,055 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305

Radius: 3

Gravity: 33.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 13.08 AU - 18.18 AU

Year: 22916 Days

Day: 18 Hours

Environment

Temp: -198 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,551,481 km

• M1: 37,250 km (0.07 R)
• M2: 355,295 km (0.116 R)
• M3: 569,220 km (0.101 R)
• M4: 714,330 km (0.085 R)
• M5: 810,970 km (0.036 R)
• M6: 1,877,004 km (0.108 R)
• M7: 3,103,857 km (0.106 R)
• M8: 3,363,559 km (0.116 R)
• M9: 3,751,316 km (0.109 R)
• M10: 4,549,122 km (0.067 R)
• M11: 5,199,124 km (0.052 R)
• M12: 12,125,057 km (0.063 R)
• M13: 14,117,551 km (0.101 R)
• M14: 14,899,649 km (0.094 R)
• M15: 16,627,355 km (0.114 R)
• M16: 17,338,244 km (0.074 R)
• M17: 18,651,713 km (0.047 R)
• M18: 19,766,516 km (0.055 R)
• M19: 22,602,742 km (0.104 R)
• M20: 28,169,877 km (0.058 R)
• M21: 34,078,993 km (0.038 R)
• M22: 39,639,397 km (0.1 R)
• M23: 40,904,695 km (0.095 R)
• M24: 41,475,561 km (0.035 R)
• M25: 47,479,522 km (0.072 R)
• M26: 53,355,876 km (0.056 R)
• M27: 53,866,453 km (0.114 R)
• M28: 61,732,160 km (0.116 R)
• M29: 63,430,096 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 6.2

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 15.26 AU - 18.14 AU

Year: 25309 Days

Day: 18.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,551,481 km

• M1: 77,043 km (0.118 R)
• M2: 318,195 km (0.052 R)
• M3: 608,564 km (0.112 R)
• M4: 924,814 km (0.078 R)
• M5: 1,361,789 km (0.08 R)
• M6: 1,619,098 km (0.114 R)
• M7: 1,814,473 km (0.115 R)
• M8: 2,296,926 km (0.077 R)
• M9: 2,615,719 km (0.056 R)
• M10: 3,149,035 km (0.096 R)
• M11: 4,429,743 km (0.1 R)
• M12: 4,672,839 km (0.098 R)
• M13: 7,326,855 km (0.114 R)
• M14: 7,766,673 km (0.114 R)
• M15: 8,538,448 km (0.064 R)
• M16: 11,940,752 km (0.04 R)
• M17: 16,644,708 km (0.073 R)
• M18: 17,063,881 km (0.082 R)
• M19: 19,357,216 km (0.116 R)
• M20: 21,157,776 km (0.064 R)
• M21: 21,451,886 km (0.082 R)
• M22: 30,092,210 km (0.062 R)
• M23: 31,854,922 km (0.111 R)
• M24: 34,355,749 km (0.115 R)
• M25: 44,697,001 km (0.114 R)
• M26: 46,655,537 km (0.117 R)
• M27: 49,527,217 km (0.097 R)
• M28: 73,891,923 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit