🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.77 AU

Year: 194 Days

Day: 34.1 Hours

Environment

Temp: 150 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,849,802 km

• M1: 70,012 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.96 AU - 1.5 AU

Year: 493 Days

Day: 34.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.29 AU - 1.89 AU

Year: 725 Days

Day: 30.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.56 AU - 1.74 AU

Year: 767 Days

Day: 27.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,849,802 km

• M1: 391,946 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.83 AU - 4.37 AU

Year: 2470 Days

Day: 33.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.8

Radius: 7.6

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 15.35 AU - 22.73 AU

Year: 30046 Days

Day: 20.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 62.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 81,849,802 km

• M1: 201,957 km (0.079 R)
• M2: 292,015 km (0.119 R)
• M3: 519,254 km (0.103 R)
• M4: 607,068 km (0.108 R)
• M5: 700,118 km (0.091 R)
• M6: 1,120,488 km (0.054 R)
• M7: 1,773,782 km (0.114 R)
• M8: 2,014,186 km (0.079 R)
• M9: 2,836,525 km (0.115 R)
• M10: 3,751,017 km (0.054 R)
• M11: 4,015,356 km (0.12 R)
• M12: 4,104,816 km (0.075 R)
• M13: 4,423,160 km (0.093 R)
• M14: 5,673,948 km (0.111 R)
• M15: 5,926,320 km (0.058 R)
• M16: 6,028,345 km (0.088 R)
• M17: 6,234,192 km (0.104 R)
• M18: 7,243,080 km (0.102 R)
• M19: 7,297,534 km (0.112 R)
• M20: 7,461,792 km (0.082 R)
• M21: 9,827,383 km (0.047 R)
• M22: 10,191,505 km (0.062 R)
• M23: 10,560,114 km (0.065 R)
• M24: 11,310,497 km (0.066 R)
• M25: 11,820,326 km (0.106 R)
• M26: 12,337,636 km (0.039 R)
• M27: 13,193,784 km (0.091 R)
• M28: 13,528,285 km (0.112 R)
• M29: 14,410,912 km (0.109 R)
• M30: 16,088,653 km (0.096 R)
• M31: 16,517,699 km (0.058 R)
• M32: 16,805,825 km (0.059 R)
• M33: 16,878,081 km (0.096 R)
• M34: 18,345,486 km (0.108 R)
• M35: 19,019,125 km (0.102 R)
• M36: 19,094,523 km (0.12 R)
• M37: 21,793,567 km (0.063 R)
• M38: 21,872,405 km (0.03 R)
• M39: 22,506,700 km (0.12 R)
• M40: 22,906,276 km (0.118 R)
• M41: 23,712,310 km (0.11 R)
• M42: 23,793,392 km (0.04 R)
• M43: 24,527,468 km (0.112 R)
• M44: 25,021,141 km (0.09 R)
• M45: 25,517,956 km (0.063 R)
• M46: 26,101,836 km (0.094 R)
• M47: 27,452,705 km (0.104 R)
• M48: 27,708,518 km (0.111 R)
• M49: 28,136,517 km (0.097 R)
• M50: 28,566,910 km (0.106 R)
• M51: 29,086,164 km (0.115 R)
• M52: 33,078,632 km (0.093 R)
• M53: 33,350,901 km (0.073 R)
• M54: 35,092,070 km (0.07 R)
• M55: 36,113,674 km (0.101 R)
• M56: 36,394,020 km (0.119 R)
• M57: 36,487,519 km (0.049 R)
• M58: 36,581,317 km (0.096 R)
• M59: 36,674,965 km (0.103 R)
• M60: 38,757,816 km (0.049 R)
• M61: 39,813,529 km (0.088 R)
• M62: 42,149,649 km (0.114 R)
• M63: 42,247,935 km (0.083 R)
• M64: 42,740,560 km (0.116 R)
• M65: 46,140,621 km (0.056 R)
• M66: 46,546,330 km (0.11 R)
• M67: 47,259,015 km (0.091 R)
• M68: 47,565,690 km (0.095 R)
• M69: 49,834,192 km (0.036 R)
• M70: 52,032,234 km (0.107 R)
• M71: 53,408,684 km (0.029 R)
• M72: 54,261,691 km (0.045 R)
• M73: 57,500,335 km (0.074 R)
• M74: 57,718,598 km (0.101 R)
• M75: 58,813,356 km (0.119 R)
• M76: 58,923,161 km (0.119 R)
• M77: 59,473,531 km (0.101 R)
• M78: 60,801,212 km (0.073 R)
• M79: 62,138,617 km (0.07 R)
• M80: 63,260,601 km (0.085 R)
• M81: 63,824,136 km (0.104 R)
• M82: 64,502,413 km (0.058 R)
• M83: 65,410,622 km (0.103 R)
• M84: 65,752,303 km (0.089 R)
• M85: 67,010,272 km (0.119 R)
• M86: 73,181,184 km (0.066 R)
• M87: 74,365,700 km (0.111 R)
• M88: 75,317,890 km (0.088 R)
• M89: 77,354,665 km (0.042 R)
• M90: 80,992,886 km (0.115 R)
• M91: 81,359,700 km (0.079 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 17,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit