🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.46 AU - 0.6 AU

Year: 173 Days

Day: 17.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 209 Days

Day: 47.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 64.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,648,988 km

• M1: 110,702 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.91 AU - 1.29 AU

Year: 519 Days

Day: 20.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,648,988 km

• M1: 316,549 km (0.117 R)
• M2: 858,692 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.04 AU - 1.18 AU

Year: 526 Days

Day: 17.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.17 AU - 1.63 AU

Year: 745 Days

Day: 42.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,648,988 km

• M1: 61,934 km (0.052 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.55 AU - 1.93 AU

Year: 1032 Days

Day: 30.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.96 AU - 2.42 AU

Year: 1457 Days

Day: 34.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.1

Radius: 3.9

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.83 AU - 10.57 AU

Year: 14646 Days

Day: 23.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 44,648,988 km

• M1: 64,327 km (0.116 R)
• M2: 214,374 km (0.104 R)
• M3: 340,485 km (0.086 R)
• M4: 517,459 km (0.084 R)
• M5: 547,079 km (0.078 R)
• M6: 839,394 km (0.057 R)
• M7: 1,480,121 km (0.1 R)
• M8: 1,653,505 km (0.102 R)
• M9: 2,138,950 km (0.08 R)
• M10: 2,285,407 km (0.029 R)
• M11: 2,796,583 km (0.041 R)
• M12: 2,849,540 km (0.088 R)
• M13: 3,341,568 km (0.091 R)
• M14: 3,397,966 km (0.108 R)
• M15: 3,426,240 km (0.097 R)
• M16: 3,948,337 km (0.041 R)
• M17: 4,402,067 km (0.111 R)
• M18: 5,064,636 km (0.117 R)
• M19: 5,325,235 km (0.058 R)
• M20: 5,424,120 km (0.119 R)
• M21: 5,791,682 km (0.045 R)
• M22: 5,825,491 km (0.111 R)
• M23: 7,413,771 km (0.095 R)
• M24: 8,350,254 km (0.103 R)
• M25: 8,388,401 km (0.099 R)
• M26: 8,773,915 km (0.12 R)
• M27: 9,244,101 km (0.041 R)
• M28: 9,482,261 km (0.099 R)
• M29: 10,372,518 km (0.068 R)
• M30: 10,620,102 km (0.091 R)
• M31: 11,331,590 km (0.096 R)
• M32: 11,886,149 km (0.073 R)
• M33: 12,318,637 km (0.089 R)
• M34: 13,199,020 km (0.076 R)
• M35: 14,557,369 km (0.05 R)
• M36: 14,603,295 km (0.091 R)
• M37: 17,452,536 km (0.095 R)
• M38: 17,501,455 km (0.081 R)
• M39: 17,550,523 km (0.081 R)
• M40: 18,290,284 km (0.083 R)
• M41: 18,339,951 km (0.086 R)
• M42: 19,444,282 km (0.102 R)
• M43: 20,518,395 km (0.117 R)
• M44: 21,036,602 km (0.086 R)
• M45: 21,401,920 km (0.095 R)
• M46: 21,980,116 km (0.103 R)
• M47: 22,403,927 km (0.068 R)
• M48: 22,723,617 km (0.104 R)
• M49: 23,259,627 km (0.12 R)
• M50: 24,289,458 km (0.073 R)
• M51: 25,223,547 km (0.097 R)
• M52: 25,890,006 km (0.095 R)
• M53: 26,562,149 km (0.092 R)
• M54: 26,674,647 km (0.114 R)
• M55: 26,900,390 km (0.085 R)
• M56: 27,126,582 km (0.047 R)
• M57: 27,524,063 km (0.108 R)
• M58: 27,866,343 km (0.117 R)
• M59: 27,923,490 km (0.093 R)
• M60: 28,267,415 km (0.043 R)
• M61: 28,324,861 km (0.076 R)
• M62: 28,728,177 km (0.052 R)
• M63: 30,595,607 km (0.078 R)
• M64: 31,544,057 km (0.085 R)
• M65: 32,321,667 km (0.057 R)
• M66: 32,381,805 km (0.12 R)
• M67: 32,622,508 km (0.111 R)
• M68: 33,469,532 km (0.101 R)
• M69: 33,773,814 km (0.068 R)
• M70: 35,247,203 km (0.091 R)
• M71: 36,178,599 km (0.094 R)
• M72: 36,365,896 km (0.047 R)
• M73: 36,804,068 km (0.048 R)
• M74: 38,383,223 km (0.088 R)
• M75: 38,510,531 km (0.101 R)
• M76: 38,701,717 km (0.12 R)
• M77: 39,213,043 km (0.051 R)
• M78: 40,436,604 km (0.071 R)
• M79: 40,825,558 km (0.109 R)
• M80: 41,607,207 km (0.045 R)
• M81: 42,196,772 km (0.094 R)
• M82: 42,459,616 km (0.047 R)
• M83: 42,788,881 km (0.107 R)
• M84: 43,516,525 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 19,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit