🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 558 Days

Day: 14.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,655,861 km

• M1: 625,170 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.49 AU - 3.23 AU

Year: 1741 Days

Day: 19.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.52 AU - 4.2 AU

Year: 2217 Days

Day: 30.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.09 AU - 5.39 AU

Year: 3714 Days

Day: 41.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,655,861 km

• M1: 1,294,620 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.9

Radius: 5.4

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 15.24 AU - 21.76 AU

Year: 28637 Days

Day: 18.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 72,655,861 km

• M1: 85,570 km (0.11 R)
• M2: 162,613 km (0.094 R)
• M3: 200,461 km (0.081 R)
• M4: 242,498 km (0.109 R)
• M5: 425,606 km (0.114 R)
• M6: 522,246 km (0.066 R)
• M7: 760,107 km (0.052 R)
• M8: 1,029,084 km (0.11 R)
• M9: 1,107,473 km (0.108 R)
• M10: 2,572,335 km (0.111 R)
• M11: 2,898,010 km (0.093 R)
• M12: 2,972,210 km (0.073 R)
• M13: 4,582,781 km (0.09 R)
• M14: 4,932,242 km (0.103 R)
• M15: 4,976,523 km (0.105 R)
• M16: 6,317,817 km (0.079 R)
• M17: 6,414,158 km (0.051 R)
• M18: 6,559,717 km (0.119 R)
• M19: 6,903,493 km (0.115 R)
• M20: 7,659,860 km (0.088 R)
• M21: 7,762,783 km (0.088 R)
• M22: 8,231,174 km (0.112 R)
• M23: 8,601,878 km (0.075 R)
• M24: 8,977,967 km (0.11 R)
• M25: 9,140,729 km (0.087 R)
• M26: 9,304,539 km (0.079 R)
• M27: 10,649,723 km (0.108 R)
• M28: 11,875,677 km (0.074 R)
• M29: 13,702,866 km (0.112 R)
• M30: 14,141,786 km (0.118 R)
• M31: 18,156,095 km (0.098 R)
• M32: 19,613,777 km (0.04 R)
• M33: 19,966,379 km (0.037 R)
• M34: 20,250,017 km (0.115 R)
• M35: 21,108,858 km (0.083 R)
• M36: 21,542,692 km (0.105 R)
• M37: 22,052,521 km (0.117 R)
• M38: 22,125,675 km (0.072 R)
• M39: 22,566,390 km (0.1 R)
• M40: 22,713,894 km (0.07 R)
• M41: 24,056,086 km (0.118 R)
• M42: 24,660,760 km (0.113 R)
• M43: 24,965,042 km (0.072 R)
• M44: 25,962,411 km (0.085 R)
• M45: 26,271,929 km (0.072 R)
• M46: 27,758,782 km (0.116 R)
• M47: 27,996,045 km (0.089 R)
• M48: 29,031,711 km (0.093 R)
• M49: 29,272,563 km (0.056 R)
• M50: 29,756,213 km (0.056 R)
• M51: 30,486,550 km (0.095 R)
• M52: 30,649,761 km (0.084 R)
• M53: 31,222,871 km (0.105 R)
• M54: 32,213,657 km (0.071 R)
• M55: 32,296,684 km (0.069 R)
• M56: 32,546,214 km (0.027 R)
• M57: 35,076,362 km (0.045 R)
• M58: 36,537,934 km (0.068 R)
• M59: 36,797,935 km (0.071 R)
• M60: 38,899,785 km (0.103 R)
• M61: 38,988,197 km (0.117 R)
• M62: 39,520,167 km (0.046 R)
• M63: 39,876,210 km (0.07 R)
• M64: 40,054,531 km (0.028 R)
• M65: 40,680,897 km (0.042 R)
• M66: 41,581,476 km (0.045 R)
• M67: 41,671,833 km (0.11 R)
• M68: 41,762,340 km (0.094 R)
• M69: 41,852,847 km (0.052 R)
• M70: 41,943,503 km (0.098 R)
• M71: 43,127,421 km (0.034 R)
• M72: 43,218,825 km (0.095 R)
• M73: 45,248,569 km (0.086 R)
• M74: 45,434,669 km (0.069 R)
• M75: 45,807,616 km (0.087 R)
• M76: 46,087,962 km (0.115 R)
• M77: 46,181,461 km (0.098 R)
• M78: 47,026,390 km (0.1 R)
• M79: 48,636,362 km (0.114 R)
• M80: 49,495,951 km (0.117 R)
• M81: 50,168,095 km (0.075 R)
• M82: 50,553,459 km (0.106 R)
• M83: 53,278,534 km (0.087 R)
• M84: 53,475,105 km (0.111 R)
• M85: 55,154,790 km (0.087 R)
• M86: 55,652,053 km (0.117 R)
• M87: 58,464,493 km (0.048 R)
• M88: 59,073,207 km (0.05 R)
• M89: 59,378,237 km (0.101 R)
• M90: 61,734,852 km (0.118 R)
• M91: 64,330,824 km (0.082 R)
• M92: 64,435,393 km (0.049 R)
• M93: 65,800,025 km (0.062 R)
• M94: 66,116,275 km (0.119 R)
• M95: 66,856,336 km (0.099 R)
• M96: 71,244,939 km (0.104 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit