🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.52 AU - 0.54 AU

Year: 137 Days

Day: 32.5 Hours

Environment

Temp: 206 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.26 AU - 1.76 AU

Year: 658 Days

Day: 24.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.34 AU - 4.62 AU

Year: 3364 Days

Day: 43.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 124.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 15.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.1

Radius: 7.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 14.2 AU - 17.32 AU

Year: 22196 Days

Day: 16.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,803,438 km

• M1: 90,656 km (0.107 R)
• M2: 356,941 km (0.056 R)
• M3: 663,915 km (0.077 R)
• M4: 1,462,768 km (0.068 R)
• M5: 2,489,458 km (0.106 R)
• M6: 2,977,596 km (0.107 R)
• M7: 3,472,765 km (0.036 R)
• M8: 4,269,074 km (0.114 R)
• M9: 5,217,525 km (0.096 R)
• M10: 9,923,425 km (0.101 R)
• M11: 10,492,944 km (0.085 R)
• M12: 10,844,948 km (0.102 R)
• M13: 11,510,659 km (0.032 R)
• M14: 12,011,811 km (0.11 R)
• M15: 13,950,899 km (0.093 R)
• M16: 14,448,462 km (0.063 R)
• M17: 15,706,131 km (0.082 R)
• M18: 19,648,932 km (0.106 R)
• M19: 20,820,583 km (0.086 R)
• M20: 22,325,388 km (0.063 R)
• M21: 23,500,778 km (0.102 R)
• M22: 29,187,891 km (0.106 R)
• M23: 32,657,215 km (0.064 R)
• M24: 35,203,969 km (0.089 R)
• M25: 36,391,926 km (0.06 R)
• M26: 38,847,725 km (0.108 R)
• M27: 43,784,006 km (0.102 R)
• M28: 49,449,427 km (0.089 R)
• M29: 55,761,858 km (0.112 R)
• M30: 65,313,383 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.4

Radius: 5.3

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.44 AU - 22.82 AU

Year: 28527 Days

Day: 21.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,803,438 km

• M1: 65,973 km (0.107 R)
• M2: 330,910 km (0.097 R)
• M3: 609,013 km (0.117 R)
• M4: 1,437,187 km (0.103 R)
• M5: 2,164,382 km (0.114 R)
• M6: 2,950,220 km (0.092 R)
• M7: 6,564,654 km (0.08 R)
• M8: 10,100,250 km (0.11 R)
• M9: 12,442,504 km (0.066 R)
• M10: 15,686,234 km (0.069 R)
• M11: 17,987,349 km (0.059 R)
• M12: 19,078,815 km (0.075 R)
• M13: 23,246,163 km (0.051 R)
• M14: 23,565,105 km (0.047 R)
• M15: 25,880,432 km (0.109 R)
• M16: 26,223,011 km (0.054 R)
• M17: 26,453,092 km (0.035 R)
• M18: 28,585,311 km (0.112 R)
• M19: 29,943,061 km (0.055 R)
• M20: 35,523,510 km (0.097 R)
• M21: 37,381,815 km (0.081 R)
• M22: 42,230,133 km (0.059 R)
• M23: 58,077,633 km (0.081 R)
• M24: 59,652,600 km (0.086 R)
• M25: 64,967,363 km (0.103 R)
• M26: 69,924,588 km (0.061 R)
• M27: 72,156,289 km (0.036 R)
• M28: 72,382,032 km (0.095 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 16,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit