🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.68 AU - 0.86 AU

Year: 247 Days

Day: 45.6 Hours

Environment

Temp: 144 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.89 AU - 1.25 AU

Year: 404 Days

Day: 25.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,400,339 km

• M1: 405,410 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.19 AU - 3.39 AU

Year: 2180 Days

Day: 33 Hours

Environment

Temp: -108 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,400,339 km

• M1: 235,168 km (0.101 R)
• M2: 510,428 km (0.063 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.15 AU - 3.61 AU

Year: 2270 Days

Day: 17.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.06 AU - 4 AU

Year: 2422 Days

Day: 43.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.76 AU - 4.76 AU

Year: 3211 Days

Day: 35.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,400,339 km

• M1: 204,799 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 12.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.02 AU - 12.98 AU

Year: 13325 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 45,400,339 km

• M1: 173,982 km (0.064 R)
• M2: 376,388 km (0.025 R)
• M3: 556,354 km (0.065 R)
• M4: 674,088 km (0.115 R)
• M5: 1,027,139 km (0.075 R)
• M6: 1,334,114 km (0.108 R)
• M7: 1,736,682 km (0.094 R)
• M8: 2,033,933 km (0.096 R)
• M9: 2,347,639 km (0.1 R)
• M10: 2,548,549 km (0.114 R)
• M11: 2,625,443 km (0.101 R)
• M12: 2,860,910 km (0.12 R)
• M13: 3,076,031 km (0.098 R)
• M14: 3,158,011 km (0.086 R)
• M15: 3,240,888 km (0.09 R)
• M16: 3,637,173 km (0.062 R)
• M17: 4,079,235 km (0.039 R)
• M18: 4,383,517 km (0.118 R)
• M19: 4,790,273 km (0.032 R)
• M20: 4,982,058 km (0.088 R)
• M21: 5,506,249 km (0.104 R)
• M22: 5,673,649 km (0.043 R)
• M23: 6,013,685 km (0.091 R)
• M24: 6,856,968 km (0.12 R)
• M25: 7,001,031 km (0.066 R)
• M26: 7,219,294 km (0.072 R)
• M27: 7,476,602 km (0.087 R)
• M28: 9,481,962 km (0.116 R)
• M29: 9,602,388 km (0.117 R)
• M30: 10,710,310 km (0.061 R)
• M31: 11,385,744 km (0.056 R)
• M32: 11,471,165 km (0.056 R)
• M33: 12,556,946 km (0.09 R)
• M34: 13,269,032 km (0.075 R)
• M35: 13,494,326 km (0.114 R)
• M36: 15,341,411 km (0.043 R)
• M37: 16,924,306 km (0.06 R)
• M38: 17,710,443 km (0.065 R)
• M39: 17,809,477 km (0.056 R)
• M40: 18,008,292 km (0.097 R)
• M41: 18,107,925 km (0.098 R)
• M42: 18,709,757 km (0.105 R)
• M43: 18,861,150 km (0.062 R)
• M44: 19,114,569 km (0.114 R)
• M45: 19,778,634 km (0.087 R)
• M46: 21,024,485 km (0.091 R)
• M47: 21,763,049 km (0.112 R)
• M48: 21,922,371 km (0.073 R)
• M49: 22,617,403 km (0.097 R)
• M50: 23,974,256 km (0.042 R)
• M51: 24,083,911 km (0.102 R)
• M52: 24,303,820 km (0.06 R)
• M53: 24,524,327 km (0.088 R)
• M54: 24,800,933 km (0.103 R)
• M55: 25,190,037 km (0.046 R)
• M56: 26,425,865 km (0.115 R)
• M57: 26,766,350 km (0.091 R)
• M58: 27,279,770 km (0.099 R)
• M59: 27,508,954 km (0.057 R)
• M60: 29,424,555 km (0.116 R)
• M61: 29,836,398 km (0.115 R)
• M62: 30,487,448 km (0.06 R)
• M63: 30,725,308 km (0.101 R)
• M64: 30,844,538 km (0.111 R)
• M65: 31,262,963 km (0.093 R)
• M66: 31,683,183 km (0.047 R)
• M67: 32,590,046 km (0.113 R)
• M68: 32,772,406 km (0.085 R)
• M69: 32,894,328 km (0.074 R)
• M70: 33,505,435 km (0.059 R)
• M71: 33,935,529 km (0.088 R)
• M72: 34,243,850 km (0.117 R)
• M73: 35,174,499 km (0.105 R)
• M74: 35,424,028 km (0.095 R)
• M75: 37,632,691 km (0.069 R)
• M76: 38,335,950 km (0.111 R)
• M77: 38,657,137 km (0.075 R)
• M78: 39,237,427 km (0.098 R)
• M79: 40,276,235 km (0.063 R)
• M80: 40,537,283 km (0.094 R)
• M81: 40,668,032 km (0.06 R)
• M82: 41,126,848 km (0.109 R)
• M83: 42,049,568 km (0.081 R)
• M84: 45,196,808 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit