🌌 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: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.43 AU - 0.59 AU

Year: 134 Days

Day: 31.5 Hours

Environment

Temp: 224 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.46 AU - 1.86 AU

Year: 785 Days

Day: 28.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,654,733 km

• M1: 36,053 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.86 AU - 2 AU

Year: 984 Days

Day: 26 Hours

Environment

Temp: -73 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.38 AU

Year: 1000 Days

Day: 35.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.88 AU - 2.32 AU

Year: 1117 Days

Day: 41.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 94.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.18 AU - 2.66 AU

Year: 1382 Days

Day: 13.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.98 AU - 2.94 AU

Year: 1416 Days

Day: 18.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,654,733 km

• M1: 711,188 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 10.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.35 AU - 9.09 AU

Year: 8651 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 31,654,733 km

• M1: 169,494 km (0.086 R)
• M2: 291,865 km (0.067 R)
• M3: 429,047 km (0.063 R)
• M4: 638,484 km (0.106 R)
• M5: 882,029 km (0.083 R)
• M6: 1,036,713 km (0.108 R)
• M7: 1,185,414 km (0.113 R)
• M8: 1,471,594 km (0.105 R)
• M9: 1,709,305 km (0.098 R)
• M10: 1,959,583 km (0.1 R)
• M11: 2,126,983 km (0.031 R)
• M12: 2,279,722 km (0.087 R)
• M13: 2,436,052 km (0.12 R)
• M14: 3,032,947 km (0.104 R)
• M15: 3,097,274 km (0.077 R)
• M16: 3,448,081 km (0.108 R)
• M17: 3,811,754 km (0.068 R)
• M18: 4,116,335 km (0.103 R)
• M19: 4,259,650 km (0.114 R)
• M20: 4,404,610 km (0.049 R)
• M21: 4,674,634 km (0.088 R)
• M22: 5,282,600 km (0.074 R)
• M23: 5,915,399 km (0.066 R)
• M24: 6,295,826 km (0.098 R)
• M25: 6,378,255 km (0.075 R)
• M26: 6,600,258 km (0.097 R)
• M27: 6,768,256 km (0.111 R)
• M28: 7,367,845 km (0.088 R)
• M29: 7,984,487 km (0.115 R)
• M30: 8,103,717 km (0.104 R)
• M31: 8,739,956 km (0.099 R)
• M32: 8,893,893 km (0.1 R)
• M33: 9,204,308 km (0.097 R)
• M34: 9,518,464 km (0.109 R)
• M35: 9,613,309 km (0.112 R)
• M36: 9,772,182 km (0.117 R)
• M37: 9,996,130 km (0.057 R)
• M38: 10,124,784 km (0.104 R)
• M39: 10,481,575 km (0.094 R)
• M40: 10,612,323 km (0.101 R)
• M41: 10,809,643 km (0.06 R)
• M42: 11,509,312 km (0.112 R)
• M43: 12,120,719 km (0.043 R)
• M44: 12,189,384 km (0.103 R)
• M45: 12,395,979 km (0.087 R)
• M46: 12,638,477 km (0.106 R)
• M47: 13,269,182 km (0.082 R)
• M48: 13,339,792 km (0.114 R)
• M49: 13,659,632 km (0.092 R)
• M50: 14,017,919 km (0.058 R)
• M51: 14,125,929 km (0.039 R)
• M52: 14,743,768 km (0.082 R)
• M53: 15,148,131 km (0.092 R)
• M54: 16,611,348 km (0.068 R)
• M55: 16,955,423 km (0.08 R)
• M56: 17,224,699 km (0.043 R)
• M57: 17,495,321 km (0.06 R)
• M58: 18,434,048 km (0.059 R)
• M59: 18,631,667 km (0.083 R)
• M60: 19,188,769 km (0.117 R)
• M61: 19,509,507 km (0.118 R)
• M62: 19,670,624 km (0.118 R)
• M63: 21,016,107 km (0.062 R)
• M64: 22,181,026 km (0.062 R)
• M65: 22,265,100 km (0.104 R)
• M66: 22,559,957 km (0.081 R)
• M67: 23,366,888 km (0.063 R)
• M68: 24,747,078 km (0.088 R)
• M69: 24,877,976 km (0.118 R)
• M70: 25,315,400 km (0.041 R)
• M71: 26,065,035 km (0.119 R)
• M72: 26,956,340 km (0.104 R)
• M73: 27,135,857 km (0.076 R)
• M74: 28,175,413 km (0.115 R)
• M75: 29,181,907 km (0.069 R)
• M76: 29,273,910 km (0.078 R)
• M77: 29,550,815 km (0.083 R)
• M78: 29,643,267 km (0.073 R)
• M79: 30,526,642 km (0.106 R)
• M80: 30,854,262 km (0.098 R)
• M81: 31,183,078 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 17,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit