🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.48 AU - 0.76 AU

Year: 205 Days

Day: 13.3 Hours

Environment

Temp: 40 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.73 AU - 0.81 AU

Year: 283 Days

Day: 35.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,072,965 km

• M1: 418,126 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.67 AU - 0.89 AU

Year: 289 Days

Day: 12.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,072,965 km

• M1: 286,779 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.77 AU - 0.89 AU

Year: 317 Days

Day: 35.1 Hours

Environment

Temp: -16 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.37 AU - 2.51 AU

Year: 1597 Days

Day: 43.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 5.1

Gravity: 36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.28 AU - 15.1 AU

Year: 18940 Days

Day: 20 Hours

Environment

Temp: -211 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,072,965 km

• M1: 63,429 km (0.107 R)
• M2: 234,121 km (0.032 R)
• M3: 754,272 km (0.102 R)
• M4: 929,900 km (0.05 R)
• M5: 4,423,459 km (0.077 R)
• M6: 5,193,440 km (0.067 R)
• M7: 6,669,372 km (0.112 R)
• M8: 7,089,892 km (0.077 R)
• M9: 9,813,620 km (0.092 R)
• M10: 11,637,368 km (0.046 R)
• M11: 12,109,200 km (0.094 R)
• M12: 14,430,211 km (0.116 R)
• M13: 15,371,929 km (0.069 R)
• M14: 15,776,143 km (0.028 R)
• M15: 19,083,452 km (0.044 R)
• M16: 22,409,911 km (0.1 R)
• M17: 22,720,775 km (0.101 R)
• M18: 22,929,614 km (0.061 R)
• M19: 34,805,441 km (0.088 R)
• M20: 35,222,220 km (0.113 R)
• M21: 39,878,604 km (0.1 R)
• M22: 44,928,729 km (0.102 R)
• M23: 51,280,205 km (0.105 R)
• M24: 57,814,939 km (0.082 R)
• M25: 58,204,343 km (0.086 R)
• M26: 60,777,725 km (0.036 R)
• M27: 75,251,020 km (0.097 R)
• M28: 80,947,109 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.9

Radius: 4.3

Gravity: 32.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 13.56 AU - 13.58 AU

Year: 20944 Days

Day: 16.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,072,965 km

• M1: 56,249 km (0.085 R)
• M2: 222,901 km (0.108 R)
• M3: 430,393 km (0.088 R)
• M4: 570,566 km (0.11 R)
• M5: 741,706 km (0.108 R)
• M6: 1,726,210 km (0.11 R)
• M7: 1,892,114 km (0.093 R)
• M8: 2,570,391 km (0.088 R)
• M9: 3,369,692 km (0.089 R)
• M10: 3,512,558 km (0.12 R)
• M11: 3,780,039 km (0.059 R)
• M12: 3,965,840 km (0.054 R)
• M13: 4,423,160 km (0.059 R)
• M14: 5,520,161 km (0.117 R)
• M15: 6,652,169 km (0.107 R)
• M16: 7,061,618 km (0.096 R)
• M17: 7,536,142 km (0.073 R)
• M18: 7,781,184 km (0.073 R)
• M19: 9,197,277 km (0.062 R)
• M20: 11,404,893 km (0.115 R)
• M21: 11,793,249 km (0.05 R)
• M22: 12,190,431 km (0.068 R)
• M23: 21,826,479 km (0.077 R)
• M24: 24,819,783 km (0.038 R)
• M25: 31,858,512 km (0.08 R)
• M26: 33,017,297 km (0.029 R)
• M27: 36,105,745 km (0.098 R)
• M28: 37,082,619 km (0.096 R)
• M29: 42,386,013 km (0.061 R)
• M30: 42,849,468 km (0.04 R)
• M31: 45,701,701 km (0.027 R)
• M32: 50,732,079 km (0.085 R)
• M33: 51,780,610 km (0.083 R)
• M34: 52,843,503 km (0.039 R)
• M35: 54,283,083 km (0.078 R)
• M36: 56,119,248 km (0.099 R)
• M37: 71,445,101 km (0.061 R)
• M38: 71,882,226 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.8

Radius: 4.1

Gravity: 18.73 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 15.4 AU - 15.56 AU

Year: 25518 Days

Day: 17.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,072,965 km

• M1: 71,807 km (0.077 R)
• M2: 402,269 km (0.108 R)
• M3: 1,517,970 km (0.113 R)
• M4: 2,167,524 km (0.104 R)
• M5: 2,934,811 km (0.118 R)
• M6: 3,547,115 km (0.097 R)
• M7: 5,164,717 km (0.084 R)
• M8: 11,786,966 km (0.106 R)
• M9: 12,566,221 km (0.107 R)
• M10: 16,660,565 km (0.103 R)
• M11: 22,138,989 km (0.071 R)
• M12: 23,624,197 km (0.078 R)
• M13: 27,681,590 km (0.093 R)
• M14: 31,073,273 km (0.12 R)
• M15: 32,179,699 km (0.081 R)
• M16: 38,107,514 km (0.051 R)
• M17: 51,721,818 km (0.054 R)
• M18: 51,892,659 km (0.076 R)
• M19: 52,063,949 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 18,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit