🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.5 AU - 0.64 AU

Year: 158 Days

Day: 12.1 Hours

Environment

Temp: 180 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,008,059 km

• M1: 505,342 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.79 AU - 1.23 AU

Year: 373 Days

Day: 42.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.14 AU - 1.7 AU

Year: 621 Days

Day: 47.5 Hours

Environment

Temp: -23 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.92 AU - 3.72 AU

Year: 2221 Days

Day: 24.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,008,059 km

• M1: 48,320 km (0.089 R)

Asteroid Belt

Center: 4.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 12.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.69 AU - 5.53 AU

Year: 4240 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,008,059 km

• M1: 152,141 km (0.079 R)
• M2: 787,782 km (0.089 R)
• M3: 1,460,374 km (0.083 R)
• M4: 2,477,640 km (0.06 R)
• M5: 3,025,318 km (0.107 R)
• M6: 3,560,729 km (0.12 R)
• M7: 3,998,153 km (0.066 R)
• M8: 5,531,980 km (0.08 R)
• M9: 5,937,839 km (0.106 R)
• M10: 6,696,300 km (0.11 R)
• M11: 10,737,537 km (0.091 R)
• M12: 13,022,644 km (0.057 R)
• M13: 14,021,509 km (0.082 R)
• M14: 16,952,730 km (0.12 R)
• M15: 17,922,872 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 14.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.76 AU - 9.02 AU

Year: 7375 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,008,059 km

• M1: 185,352 km (0.116 R)
• M2: 799,750 km (0.058 R)
• M3: 1,612,515 km (0.112 R)
• M4: 2,156,902 km (0.101 R)
• M5: 3,429,830 km (0.102 R)
• M6: 5,187,157 km (0.108 R)
• M7: 5,723,615 km (0.114 R)
• M8: 8,213,222 km (0.089 R)
• M9: 9,071,166 km (0.091 R)
• M10: 9,764,403 km (0.08 R)
• M11: 14,343,743 km (0.1 R)
• M12: 16,144,153 km (0.101 R)
• M13: 24,042,173 km (0.053 R)
• M14: 30,127,814 km (0.116 R)
• M15: 33,473,720 km (0.119 R)
• M16: 35,553,580 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 12.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.06 AU - 9.44 AU

Year: 7920 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,008,059 km

• M1: 161,267 km (0.094 R)
• M2: 842,834 km (0.104 R)
• M3: 1,323,193 km (0.116 R)
• M4: 2,698,297 km (0.052 R)
• M5: 5,928,115 km (0.088 R)
• M6: 6,808,349 km (0.102 R)
• M7: 11,631,384 km (0.058 R)
• M8: 14,981,180 km (0.056 R)
• M9: 17,965,208 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 11.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.48 AU - 10.42 AU

Year: 9829 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,008,059 km

• M1: 139,276 km (0.08 R)
• M2: 565,630 km (0.111 R)
• M3: 1,187,508 km (0.065 R)
• M4: 1,726,808 km (0.053 R)
• M5: 2,153,013 km (0.104 R)
• M6: 3,002,130 km (0.102 R)
• M7: 3,758,647 km (0.104 R)
• M8: 5,559,506 km (0.106 R)
• M9: 6,903,942 km (0.079 R)
• M10: 7,397,166 km (0.104 R)
• M11: 9,609,270 km (0.037 R)
• M12: 10,179,986 km (0.048 R)
• M13: 12,901,171 km (0.073 R)
• M14: 14,713,998 km (0.103 R)
• M15: 15,061,065 km (0.107 R)
• M16: 16,690,934 km (0.079 R)
• M17: 20,227,128 km (0.067 R)
• M18: 25,374,940 km (0.104 R)
• M19: 25,874,747 km (0.049 R)
• M20: 26,722,069 km (0.106 R)
• M21: 29,193,576 km (0.041 R)
• M22: 29,834,453 km (0.075 R)
• M23: 30,298,057 km (0.109 R)
• M24: 32,297,432 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.6

Radius: 3.9

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 16.72 AU - 18.26 AU

Year: 26851 Days

Day: 17 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,008,059 km

• M1: 51,761 km (0.116 R)
• M2: 277,803 km (0.082 R)
• M3: 817,852 km (0.06 R)
• M4: 1,254,977 km (0.055 R)
• M5: 1,459,477 km (0.11 R)
• M6: 1,883,437 km (0.088 R)
• M7: 3,359,071 km (0.081 R)
• M8: 4,237,808 km (0.091 R)
• M9: 5,259,712 km (0.106 R)
• M10: 11,108,091 km (0.091 R)
• M11: 12,770,273 km (0.044 R)
• M12: 16,726,837 km (0.08 R)
• M13: 20,733,517 km (0.064 R)
• M14: 25,139,324 km (0.116 R)
• M15: 28,293,445 km (0.094 R)
• M16: 29,800,494 km (0.114 R)
• M17: 30,240,761 km (0.119 R)
• M18: 36,867,049 km (0.058 R)
• M19: 40,785,466 km (0.112 R)
• M20: 48,977,744 km (0.117 R)
• M21: 52,252,442 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 17,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit