🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.54 AU - 0.62 AU

Year: 163 Days

Day: 23.5 Hours

Environment

Temp: 189 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.66 AU - 0.68 AU

Year: 202 Days

Day: 33.9 Hours

Environment

Temp: 160 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,341,201 km

• M1: 43,383 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.71 AU

Year: 207 Days

Day: 18.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.95 AU - 1.09 AU

Year: 380 Days

Day: 30.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.54 AU - 2.26 AU

Year: 966 Days

Day: 14.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 115.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,341,201 km

• M1: 44,281 km (0.053 R)
• M2: 75,248 km (0.063 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.69 AU - 2.35 AU

Year: 1059 Days

Day: 35.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.3

Radius: 13.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.98 AU - 12.82 AU

Year: 12374 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,341,201 km

• M1: 175,030 km (0.031 R)
• M2: 1,422,676 km (0.063 R)
• M3: 2,532,094 km (0.115 R)
• M4: 3,869,050 km (0.072 R)
• M5: 6,295,527 km (0.074 R)
• M6: 7,849,400 km (0.119 R)
• M7: 11,954,515 km (0.053 R)
• M8: 23,682,390 km (0.099 R)
• M9: 24,657,319 km (0.113 R)
• M10: 26,687,512 km (0.08 R)
• M11: 29,471,678 km (0.11 R)
• M12: 30,220,565 km (0.103 R)
• M13: 32,642,704 km (0.117 R)
• M14: 33,850,258 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 12.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.85 AU - 13.37 AU

Year: 13663 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,341,201 km

• M1: 151,692 km (0.069 R)
• M2: 620,532 km (0.095 R)
• M3: 1,390,063 km (0.075 R)
• M4: 2,172,460 km (0.084 R)
• M5: 2,903,545 km (0.116 R)
• M6: 3,377,022 km (0.091 R)
• M7: 3,929,637 km (0.088 R)
• M8: 11,841,868 km (0.103 R)
• M9: 13,058,697 km (0.09 R)
• M10: 13,439,424 km (0.077 R)
• M11: 15,037,728 km (0.062 R)
• M12: 18,134,104 km (0.115 R)
• M13: 18,929,666 km (0.077 R)
• M14: 20,505,231 km (0.034 R)
• M15: 20,933,978 km (0.066 R)
• M16: 21,720,863 km (0.107 R)
• M17: 22,800,660 km (0.041 R)
• M18: 23,353,724 km (0.08 R)
• M19: 24,486,927 km (0.066 R)
• M20: 25,164,606 km (0.111 R)
• M21: 28,106,448 km (0.098 R)
• M22: 30,820,453 km (0.108 R)
• M23: 35,889,576 km (0.101 R)
• M24: 45,142,205 km (0.09 R)
• M25: 52,761,374 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.6

Radius: 7.1

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 17.33 AU - 21.97 AU

Year: 32138 Days

Day: 20.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,341,201 km

• M1: 88,263 km (0.085 R)
• M2: 422,913 km (0.112 R)
• M3: 939,026 km (0.093 R)
• M4: 1,602,792 km (0.099 R)
• M5: 2,056,372 km (0.065 R)
• M6: 2,381,449 km (0.088 R)
• M7: 3,274,548 km (0.114 R)
• M8: 4,913,692 km (0.1 R)
• M9: 5,784,351 km (0.087 R)
• M10: 6,800,270 km (0.116 R)
• M11: 7,725,384 km (0.087 R)
• M12: 8,139,022 km (0.104 R)
• M13: 8,458,862 km (0.047 R)
• M14: 9,763,505 km (0.096 R)
• M15: 12,204,194 km (0.068 R)
• M16: 14,320,705 km (0.084 R)
• M17: 18,251,389 km (0.102 R)
• M18: 25,352,650 km (0.119 R)
• M19: 27,437,596 km (0.119 R)
• M20: 28,644,103 km (0.084 R)
• M21: 29,260,296 km (0.112 R)
• M22: 30,391,855 km (0.055 R)
• M23: 34,930,355 km (0.071 R)
• M24: 42,236,116 km (0.078 R)
• M25: 44,005,410 km (0.058 R)
• M26: 45,991,322 km (0.072 R)
• M27: 47,863,540 km (0.111 R)
• M28: 54,345,466 km (0.119 R)
• M29: 56,822,806 km (0.104 R)
• M30: 59,374,497 km (0.098 R)
• M31: 65,128,031 km (0.077 R)
• M32: 80,379,983 km (0.09 R)
• M33: 83,091,744 km (0.08 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: 322 - 14,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit