🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.6 AU - 0.72 AU

Year: 195 Days

Day: 29.5 Hours

Environment

Temp: 149 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.69 AU - 1.75 AU

Year: 820 Days

Day: 18.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.81 AU - 2.05 AU

Year: 974 Days

Day: 12.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.03 AU - 2.23 AU

Year: 1130 Days

Day: 47.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 96.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,268,761 km

• M1: 1,048,531 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.74 AU - 2.68 AU

Year: 1194 Days

Day: 20.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.57 AU - 2.85 AU

Year: 1621 Days

Day: 30.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.2

Radius: 6

Gravity: 27.64 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 13.13 AU - 13.15 AU

Year: 17311 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 78,268,761 km

• M1: 94,396 km (0.099 R)
• M2: 152,739 km (0.115 R)
• M3: 263,442 km (0.115 R)
• M4: 383,719 km (0.081 R)
• M5: 441,015 km (0.098 R)
• M6: 586,573 km (0.087 R)
• M7: 896,989 km (0.113 R)
• M8: 1,083,238 km (0.111 R)
• M9: 1,281,755 km (0.1 R)
• M10: 1,400,386 km (0.109 R)
• M11: 1,491,940 km (0.107 R)
• M12: 1,680,732 km (0.109 R)
• M13: 1,777,971 km (0.096 R)
• M14: 2,081,206 km (0.075 R)
• M15: 2,773,245 km (0.083 R)
• M16: 2,849,989 km (0.099 R)
• M17: 3,005,571 km (0.048 R)
• M18: 3,124,052 km (0.119 R)
• M19: 3,530,360 km (0.092 R)
• M20: 4,214,621 km (0.048 R)
• M21: 4,347,464 km (0.042 R)
• M22: 4,662,816 km (0.119 R)
• M23: 4,938,974 km (0.078 R)
• M24: 5,363,233 km (0.104 R)
• M25: 5,458,976 km (0.108 R)
• M26: 5,750,093 km (0.083 R)
• M27: 6,145,929 km (0.102 R)
• M28: 6,653,066 km (0.095 R)
• M29: 7,385,647 km (0.081 R)
• M30: 7,653,427 km (0.111 R)
• M31: 7,815,591 km (0.109 R)
• M32: 9,499,166 km (0.093 R)
• M33: 9,557,060 km (0.033 R)
• M34: 9,731,790 km (0.102 R)
• M35: 10,561,011 km (0.108 R)
• M36: 10,741,576 km (0.086 R)
• M37: 10,862,601 km (0.107 R)
• M38: 11,105,996 km (0.118 R)
• M39: 11,412,672 km (0.114 R)
• M40: 11,971,719 km (0.059 R)
• M41: 12,539,742 km (0.08 R)
• M42: 12,987,489 km (0.073 R)
• M43: 13,116,442 km (0.118 R)
• M44: 14,495,435 km (0.065 R)
• M45: 16,544,029 km (0.068 R)
• M46: 16,613,891 km (0.105 R)
• M47: 16,823,926 km (0.116 R)
• M48: 19,119,206 km (0.114 R)
• M49: 20,303,124 km (0.093 R)
• M50: 21,816,007 km (0.063 R)
• M51: 22,122,982 km (0.082 R)
• M52: 22,200,025 km (0.114 R)
• M53: 22,431,303 km (0.073 R)
• M54: 23,443,333 km (0.078 R)
• M55: 24,073,589 km (0.031 R)
• M56: 24,231,863 km (0.12 R)
• M57: 24,629,494 km (0.109 R)
• M58: 25,350,406 km (0.1 R)
• M59: 25,592,306 km (0.047 R)
• M60: 25,834,954 km (0.119 R)
• M61: 27,306,847 km (0.065 R)
• M62: 27,554,731 km (0.096 R)
• M63: 31,103,342 km (0.061 R)
• M64: 31,448,764 km (0.079 R)
• M65: 33,636,184 km (0.112 R)
• M66: 34,168,453 km (0.102 R)
• M67: 35,691,509 km (0.088 R)
• M68: 37,603,370 km (0.088 R)
• M69: 38,618,092 km (0.086 R)
• M70: 38,710,843 km (0.114 R)
• M71: 41,430,831 km (0.079 R)
• M72: 42,765,842 km (0.099 R)
• M73: 42,957,777 km (0.055 R)
• M74: 43,631,565 km (0.106 R)
• M75: 46,558,597 km (0.073 R)
• M76: 46,953,685 km (0.102 R)
• M77: 50,457,417 km (0.11 R)
• M78: 51,270,033 km (0.101 R)
• M79: 51,780,161 km (0.115 R)
• M80: 53,114,275 km (0.084 R)
• M81: 56,340,802 km (0.088 R)
• M82: 56,656,454 km (0.096 R)
• M83: 57,712,764 km (0.057 R)
• M84: 58,243,238 km (0.041 R)
• M85: 60,597,011 km (0.089 R)
• M86: 62,872,544 km (0.117 R)
• M87: 64,295,070 km (0.077 R)
• M88: 64,514,979 km (0.088 R)
• M89: 66,949,236 km (0.108 R)
• M90: 67,395,038 km (0.106 R)
• M91: 70,770,115 km (0.104 R)
• M92: 71,110,600 km (0.053 R)
• M93: 71,451,683 km (0.109 R)
• M94: 73,854,374 km (0.112 R)
• M95: 74,199,646 km (0.088 R)
• M96: 76,748,944 km (0.101 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 16,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit