🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.01 AU - 1.17 AU

Year: 408 Days

Day: 43 Hours

Environment

Temp: 38 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.03 AU - 1.49 AU

Year: 507 Days

Day: 24.4 Hours

Environment

Temp: -4 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 47,785,089 km

• M1: 252,072 km (0.097 R)
• M2: 661,821 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.17 AU - 1.79 AU

Year: 645 Days

Day: 16.9 Hours

Environment

Temp: -28 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,785,089 km

• M1: 26,180 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.32 AU - 1.64 AU

Year: 645 Days

Day: 25.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.98 AU - 4.76 AU

Year: 2727 Days

Day: 19.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.62 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 19.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.8

Radius: 7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 15.57 AU - 23.17 AU

Year: 30533 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 47,785,089 km

• M1: 103,971 km (0.071 R)
• M2: 174,730 km (0.1 R)
• M3: 636,389 km (0.113 R)
• M4: 1,027,887 km (0.101 R)
• M5: 2,220,332 km (0.047 R)
• M6: 2,400,597 km (0.077 R)
• M7: 2,693,510 km (0.04 R)
• M8: 3,851,696 km (0.106 R)
• M9: 4,449,639 km (0.115 R)
• M10: 4,579,191 km (0.062 R)
• M11: 4,644,415 km (0.095 R)
• M12: 5,382,681 km (0.1 R)
• M13: 6,229,106 km (0.112 R)
• M14: 6,301,511 km (0.082 R)
• M15: 6,520,373 km (0.076 R)
• M16: 6,853,378 km (0.091 R)
• M17: 7,613,185 km (0.091 R)
• M18: 9,211,489 km (0.07 R)
• M19: 11,570,348 km (0.046 R)
• M20: 12,153,780 km (0.105 R)
• M21: 13,116,442 km (0.104 R)
• M22: 14,774,585 km (0.097 R)
• M23: 16,950,785 km (0.059 R)
• M24: 17,612,756 km (0.103 R)
• M25: 18,909,470 km (0.098 R)
• M26: 19,277,930 km (0.109 R)
• M27: 22,199,726 km (0.097 R)
• M28: 22,477,080 km (0.04 R)
• M29: 25,836,599 km (0.071 R)
• M30: 26,070,122 km (0.113 R)
• M31: 27,603,949 km (0.06 R)
• M32: 28,261,731 km (0.099 R)
• M33: 28,381,858 km (0.027 R)
• M34: 28,502,284 km (0.114 R)
• M35: 28,562,422 km (0.1 R)
• M36: 28,924,748 km (0.087 R)
• M37: 30,758,519 km (0.106 R)
• M38: 30,820,303 km (0.108 R)
• M39: 33,642,616 km (0.06 R)
• M40: 34,923,324 km (0.109 R)
• M41: 35,829,288 km (0.114 R)
• M42: 35,959,289 km (0.11 R)
• M43: 36,874,080 km (0.072 R)
• M44: 37,005,427 km (0.104 R)
• M45: 37,928,895 km (0.08 R)
• M46: 39,060,453 km (0.064 R)
• M47: 40,405,786 km (0.072 R)
• M48: 42,865,475 km (0.096 R)
• M49: 43,072,668 km (0.111 R)
• M50: 44,462,133 km (0.101 R)
• M51: 44,531,995 km (0.104 R)
• M52: 44,671,869 km (0.093 R)
• M53: 46,857,943 km (0.093 R)
• M54: 47,213,836 km (0.101 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 18,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit