🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.48 AU - 0.66 AU

Year: 274 Days

Day: 23 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.48 AU - 0.76 AU

Year: 310 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 134.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 8.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.92 AU

Year: 464 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,007,407 km

• M1: 107,561 km (0.088 R)
• M2: 676,182 km (0.111 R)
• M3: 1,364,781 km (0.113 R)
• M4: 1,658,292 km (0.101 R)
• M5: 1,986,211 km (0.076 R)
• M6: 2,574,579 km (0.085 R)
• M7: 3,656,471 km (0.068 R)
• M8: 4,041,536 km (0.085 R)
• M9: 4,467,890 km (0.036 R)
• M10: 5,410,506 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 13.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.21 AU - 1.67 AU

Year: 1099 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,007,407 km

• M1: 167,849 km (0.115 R)
• M2: 738,565 km (0.097 R)
• M3: 1,580,651 km (0.084 R)
• M4: 2,089,134 km (0.081 R)
• M5: 2,763,671 km (0.067 R)
• M6: 3,235,652 km (0.088 R)
• M7: 6,260,072 km (0.102 R)
• M8: 6,800,420 km (0.117 R)
• M9: 7,237,096 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 8.1

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.87 AU - 2.11 AU

Year: 1785 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,007,407 km

• M1: 101,727 km (0.069 R)
• M2: 708,496 km (0.119 R)
• M3: 999,015 km (0.077 R)
• M4: 1,292,077 km (0.092 R)
• M5: 1,583,344 km (0.102 R)
• M6: 2,164,083 km (0.115 R)
• M7: 6,198,588 km (0.085 R)
• M8: 7,092,136 km (0.115 R)
• M9: 7,512,655 km (0.108 R)
• M10: 8,779,001 km (0.089 R)
• M11: 10,572,979 km (0.12 R)
• M12: 11,122,003 km (0.053 R)
• M13: 12,477,360 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.7

Radius: 6.1

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.75 AU - 10.61 AU

Year: 17685 Days

Day: 16.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 92,007,407 km

• M1: 75,846 km (0.079 R)
• M2: 315,801 km (0.097 R)
• M3: 732,282 km (0.046 R)
• M4: 1,147,715 km (0.064 R)
• M5: 1,350,869 km (0.059 R)
• M6: 1,577,958 km (0.059 R)
• M7: 1,902,436 km (0.119 R)
• M8: 2,169,468 km (0.088 R)
• M9: 2,549,148 km (0.089 R)
• M10: 2,826,353 km (0.118 R)
• M11: 4,525,485 km (0.099 R)
• M12: 5,742,763 km (0.06 R)
• M13: 6,018,173 km (0.082 R)
• M14: 6,553,135 km (0.081 R)
• M15: 10,218,133 km (0.107 R)
• M16: 11,098,816 km (0.085 R)
• M17: 11,902,007 km (0.103 R)
• M18: 12,677,223 km (0.118 R)
• M19: 13,972,890 km (0.096 R)
• M20: 14,327,886 km (0.106 R)
• M21: 17,388,808 km (0.089 R)
• M22: 23,847,247 km (0.058 R)
• M23: 26,780,562 km (0.094 R)
• M24: 27,218,285 km (0.077 R)
• M25: 28,674,172 km (0.073 R)
• M26: 31,984,474 km (0.098 R)
• M27: 32,353,531 km (0.041 R)
• M28: 35,936,849 km (0.084 R)
• M29: 39,352,169 km (0.026 R)
• M30: 42,383,321 km (0.071 R)
• M31: 59,894,051 km (0.079 R)
• M32: 63,699,073 km (0.097 R)
• M33: 64,088,177 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811

Radius: 5.8

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.16 AU - 12.62 AU

Year: 24441 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,007,407 km

• M1: 89,160 km (0.102 R)
• M2: 274,063 km (0.079 R)
• M3: 531,820 km (0.118 R)
• M4: 818,749 km (0.115 R)
• M5: 1,078,002 km (0.082 R)
• M6: 1,525,898 km (0.096 R)
• M7: 1,706,762 km (0.097 R)
• M8: 1,901,838 km (0.115 R)
• M9: 3,257,344 km (0.114 R)
• M10: 6,786,657 km (0.092 R)
• M11: 7,129,535 km (0.1 R)
• M12: 9,987,303 km (0.107 R)
• M13: 18,196,038 km (0.101 R)
• M14: 19,340,312 km (0.111 R)
• M15: 21,042,436 km (0.102 R)
• M16: 22,517,322 km (0.102 R)
• M17: 31,877,062 km (0.054 R)
• M18: 32,561,473 km (0.109 R)
• M19: 33,116,032 km (0.083 R)
• M20: 36,875,277 km (0.098 R)
• M21: 39,324,643 km (0.088 R)
• M22: 41,070,151 km (0.102 R)
• M23: 41,554,997 km (0.116 R)
• M24: 43,700,231 km (0.117 R)
• M25: 45,572,149 km (0.115 R)
• M26: 49,293,097 km (0.1 R)
• M27: 50,392,342 km (0.117 R)
• M28: 56,332,873 km (0.069 R)
• M29: 59,573,911 km (0.073 R)
• M30: 61,661,550 km (0.116 R)
• M31: 69,123,791 km (0.089 R)
• M32: 69,809,697 km (0.091 R)
• M33: 73,070,781 km (0.078 R)
• M34: 73,544,856 km (0.088 R)
• M35: 76,188,700 km (0.094 R)
• M36: 80,398,084 km (0.059 R)
• M37: 83,202,895 km (0.118 R)
• M38: 84,499,011 km (0.087 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit