🌌 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: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.42 AU - 0.6 AU

Year: 152 Days

Day: 18.1 Hours

Environment

Temp: 131 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.71 AU - 0.85 AU

Year: 287 Days

Day: 27.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.8 AU - 1.18 AU

Year: 410 Days

Day: 26.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.22 AU - 1.88 AU

Year: 803 Days

Day: 24.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 10.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.95 AU - 4.43 AU

Year: 2950 Days

Day: 14.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 125.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 61,383,349 km

• M1: 228,137 km (0.109 R)
• M2: 300,243 km (0.076 R)
• M3: 384,467 km (0.066 R)
• M4: 466,147 km (0.108 R)
• M5: 583,581 km (0.062 R)
• M6: 885,171 km (0.092 R)
• M7: 990,637 km (0.033 R)
• M8: 1,185,713 km (0.091 R)
• M9: 1,302,997 km (0.097 R)
• M10: 1,373,308 km (0.078 R)
• M11: 1,444,966 km (0.067 R)
• M12: 1,539,063 km (0.087 R)
• M13: 1,613,712 km (0.059 R)
• M14: 1,766,751 km (0.08 R)
• M15: 1,833,920 km (0.105 R)
• M16: 2,075,820 km (0.1 R)
• M17: 2,218,836 km (0.093 R)
• M18: 2,427,076 km (0.111 R)
• M19: 2,514,740 km (0.049 R)
• M20: 2,719,091 km (0.09 R)
• M21: 2,810,346 km (0.115 R)
• M22: 2,876,019 km (0.099 R)
• M23: 2,942,441 km (0.114 R)
• M24: 3,130,784 km (0.108 R)
• M25: 3,281,579 km (0.069 R)
• M26: 3,519,589 km (0.074 R)
• M27: 3,633,433 km (0.066 R)
• M28: 3,909,142 km (0.089 R)
• M29: 4,480,755 km (0.031 R)
• M30: 4,776,510 km (0.085 R)
• M31: 5,110,862 km (0.057 R)
• M32: 5,191,645 km (0.108 R)
• M33: 5,502,359 km (0.094 R)
• M34: 5,651,658 km (0.119 R)
• M35: 6,505,563 km (0.068 R)
• M36: 6,610,880 km (0.072 R)
• M37: 6,912,020 km (0.043 R)
• M38: 6,983,528 km (0.1 R)
• M39: 7,344,807 km (0.109 R)
• M40: 7,879,619 km (0.059 R)
• M41: 8,048,216 km (0.054 R)
• M42: 8,484,294 km (0.082 R)
• M43: 8,734,272 km (0.038 R)
• M44: 8,869,957 km (0.067 R)
• M45: 9,123,675 km (0.091 R)
• M46: 9,419,430 km (0.087 R)
• M47: 9,838,753 km (0.092 R)
• M48: 9,959,777 km (0.114 R)
• M49: 10,121,792 km (0.099 R)
• M50: 10,223,518 km (0.093 R)
• M51: 10,448,514 km (0.073 R)
• M52: 10,695,799 km (0.081 R)
• M53: 11,112,279 km (0.111 R)
• M54: 11,301,521 km (0.112 R)
• M55: 11,704,388 km (0.103 R)
• M56: 12,133,584 km (0.042 R)
• M57: 13,318,100 km (0.085 R)
• M58: 14,631,121 km (0.116 R)
• M59: 15,233,102 km (0.099 R)
• M60: 15,607,546 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.7

Radius: 5.7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 12.2 AU - 16.08 AU

Year: 22132 Days

Day: 19.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 61,383,349 km

• M1: 298,897 km (0.041 R)
• M2: 507,286 km (0.094 R)
• M3: 1,110,465 km (0.087 R)
• M4: 1,563,597 km (0.11 R)
• M5: 1,726,359 km (0.056 R)
• M6: 2,493,198 km (0.105 R)
• M7: 3,704,342 km (0.11 R)
• M8: 5,148,710 km (0.084 R)
• M9: 6,098,058 km (0.09 R)
• M10: 7,055,634 km (0.081 R)
• M11: 7,234,703 km (0.096 R)
• M12: 7,279,732 km (0.115 R)
• M13: 11,483,282 km (0.11 R)
• M14: 11,746,724 km (0.103 R)
• M15: 13,259,308 km (0.087 R)
• M16: 13,424,913 km (0.061 R)
• M17: 13,925,916 km (0.093 R)
• M18: 15,523,771 km (0.065 R)
• M19: 15,640,009 km (0.092 R)
• M20: 15,698,352 km (0.079 R)
• M21: 15,873,531 km (0.093 R)
• M22: 15,932,173 km (0.064 R)
• M23: 16,759,599 km (0.107 R)
• M24: 17,540,350 km (0.113 R)
• M25: 18,026,693 km (0.108 R)
• M26: 18,394,405 km (0.083 R)
• M27: 19,575,031 km (0.094 R)
• M28: 20,972,425 km (0.053 R)
• M29: 21,359,135 km (0.055 R)
• M30: 21,553,313 km (0.083 R)
• M31: 22,139,438 km (0.094 R)
• M32: 24,535,996 km (0.083 R)
• M33: 29,425,452 km (0.118 R)
• M34: 29,785,983 km (0.098 R)
• M35: 30,949,256 km (0.079 R)
• M36: 31,610,180 km (0.111 R)
• M37: 32,201,540 km (0.094 R)
• M38: 32,647,342 km (0.049 R)
• M39: 35,441,980 km (0.103 R)
• M40: 36,441,892 km (0.064 R)
• M41: 37,763,439 km (0.107 R)
• M42: 38,863,582 km (0.071 R)
• M43: 40,854,131 km (0.091 R)
• M44: 41,417,367 km (0.091 R)
• M45: 42,714,381 km (0.098 R)
• M46: 43,778,171 km (0.09 R)
• M47: 44,024,858 km (0.066 R)
• M48: 45,182,147 km (0.11 R)
• M49: 46,182,209 km (0.079 R)
• M50: 46,600,934 km (0.099 R)
• M51: 47,105,228 km (0.104 R)
• M52: 48,543,611 km (0.038 R)
• M53: 48,884,246 km (0.11 R)
• M54: 49,054,787 km (0.046 R)
• M55: 49,739,048 km (0.113 R)
• M56: 50,082,375 km (0.081 R)
• M57: 53,207,624 km (0.082 R)
• M58: 55,237,069 km (0.08 R)
• M59: 59,098,489 km (0.088 R)
• M60: 60,740,625 km (0.034 R)
• M61: 61,291,444 km (0.094 R)
• M62: 61,383,298 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit