🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 253 Days

Day: 17.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.57 AU - 0.61 AU

Year: 297 Days

Day: 45 Hours

Environment

Temp: -121 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,236,926 km

• M1: 33,809 km (0.12 R)

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202

Radius: 13.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.95 AU - 1.47 AU

Year: 873 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,236,926 km

• M1: 165,455 km (0.034 R)
• M2: 741,257 km (0.096 R)
• M3: 1,383,182 km (0.081 R)
• M4: 2,235,591 km (0.078 R)
• M5: 3,536,344 km (0.114 R)
• M6: 4,275,358 km (0.096 R)
• M7: 6,097,759 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 10.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.88 AU - 2.32 AU

Year: 1996 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,236,926 km

• M1: 146,307 km (0.071 R)
• M2: 552,465 km (0.055 R)
• M3: 1,028,186 km (0.116 R)
• M4: 1,800,111 km (0.099 R)
• M5: 2,220,631 km (0.079 R)
• M6: 2,560,816 km (0.116 R)
• M7: 3,644,204 km (0.11 R)
• M8: 4,188,292 km (0.073 R)
• M9: 4,749,134 km (0.068 R)
• M10: 5,163,221 km (0.063 R)
• M11: 7,359,168 km (0.089 R)
• M12: 10,024,703 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 11.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.42 AU - 3.3 AU

Year: 3173 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,236,926 km

• M1: 140,472 km (0.112 R)
• M2: 850,464 km (0.068 R)
• M3: 1,419,983 km (0.109 R)
• M4: 1,871,320 km (0.12 R)
• M5: 2,597,169 km (0.042 R)
• M6: 3,138,264 km (0.074 R)
• M7: 3,616,529 km (0.05 R)
• M8: 3,975,863 km (0.05 R)
• M9: 4,337,141 km (0.114 R)
• M10: 5,126,569 km (0.096 R)
• M11: 5,478,424 km (0.048 R)
• M12: 5,873,212 km (0.114 R)
• M13: 6,458,140 km (0.107 R)
• M14: 8,108,354 km (0.068 R)
• M15: 8,905,711 km (0.082 R)
• M16: 9,305,287 km (0.048 R)
• M17: 12,046,817 km (0.077 R)
• M18: 13,938,034 km (0.105 R)
• M19: 14,827,842 km (0.09 R)
• M20: 15,807,857 km (0.07 R)
• M21: 16,179,608 km (0.07 R)
• M22: 16,775,606 km (0.106 R)
• M23: 17,896,692 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 10

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.38 AU - 4.46 AU

Year: 5091 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,236,926 km

• M1: 138,228 km (0.118 R)
• M2: 466,446 km (0.098 R)
• M3: 1,004,998 km (0.107 R)
• M4: 1,604,288 km (0.097 R)
• M5: 2,043,058 km (0.062 R)
• M6: 2,444,130 km (0.086 R)
• M7: 2,916,111 km (0.09 R)
• M8: 3,448,231 km (0.1 R)
• M9: 3,815,643 km (0.112 R)
• M10: 4,428,396 km (0.111 R)
• M11: 4,837,247 km (0.102 R)
• M12: 6,764,068 km (0.101 R)
• M13: 8,253,015 km (0.058 R)
• M14: 8,873,996 km (0.088 R)
• M15: 12,357,233 km (0.085 R)
• M16: 13,643,027 km (0.108 R)
• M17: 14,734,193 km (0.076 R)
• M18: 15,243,724 km (0.101 R)
• M19: 15,648,236 km (0.05 R)
• M20: 16,538,942 km (0.062 R)
• M21: 16,904,709 km (0.09 R)
• M22: 19,280,174 km (0.116 R)
• M23: 24,211,368 km (0.101 R)
• M24: 25,807,877 km (0.101 R)
• M25: 26,715,188 km (0.077 R)
• M26: 28,506,323 km (0.112 R)
• M27: 29,120,722 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.7

Radius: 6.8

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.7 AU - 8.42 AU

Year: 12306 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,236,926 km

• M1: 84,672 km (0.057 R)
• M2: 306,825 km (0.104 R)
• M3: 1,147,416 km (0.118 R)
• M4: 1,474,287 km (0.091 R)
• M5: 1,814,173 km (0.058 R)
• M6: 3,179,703 km (0.103 R)
• M7: 4,443,655 km (0.105 R)
• M8: 5,319,251 km (0.093 R)
• M9: 6,455,148 km (0.117 R)
• M10: 7,787,467 km (0.107 R)
• M11: 8,225,041 km (0.031 R)
• M12: 8,911,994 km (0.11 R)
• M13: 9,586,980 km (0.07 R)
• M14: 12,335,990 km (0.067 R)
• M15: 14,895,610 km (0.102 R)
• M16: 15,230,260 km (0.106 R)
• M17: 19,327,746 km (0.105 R)
• M18: 20,703,747 km (0.104 R)
• M19: 26,372,908 km (0.1 R)
• M20: 26,764,405 km (0.117 R)
• M21: 28,164,791 km (0.036 R)
• M22: 36,749,764 km (0.099 R)
• M23: 37,360,871 km (0.083 R)
• M24: 39,107,875 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.9

Radius: 5.9

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.75 AU - 10.17 AU

Year: 17594 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,236,926 km

• M1: 73,602 km (0.11 R)
• M2: 271,371 km (0.1 R)
• M3: 463,454 km (0.117 R)
• M4: 780,153 km (0.077 R)
• M5: 1,830,928 km (0.109 R)
• M6: 2,133,864 km (0.092 R)
• M7: 2,382,496 km (0.106 R)
• M8: 4,176,025 km (0.049 R)
• M9: 4,667,902 km (0.106 R)
• M10: 5,805,744 km (0.084 R)
• M11: 8,667,102 km (0.057 R)
• M12: 9,247,991 km (0.031 R)
• M13: 10,370,274 km (0.114 R)
• M14: 10,783,613 km (0.101 R)
• M15: 12,219,603 km (0.055 R)
• M16: 17,699,074 km (0.091 R)
• M17: 18,546,246 km (0.057 R)
• M18: 19,331,635 km (0.052 R)
• M19: 27,089,930 km (0.12 R)
• M20: 28,328,002 km (0.113 R)
• M21: 30,076,353 km (0.119 R)
• M22: 36,422,893 km (0.092 R)
• M23: 37,790,965 km (0.108 R)
• M24: 40,484,026 km (0.102 R)
• M25: 41,951,581 km (0.112 R)
• M26: 42,398,729 km (0.084 R)
• M27: 42,849,019 km (0.081 R)
• M28: 47,528,440 km (0.089 R)
• M29: 49,326,308 km (0.101 R)
• M30: 63,002,096 km (0.103 R)
• M31: 68,822,800 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 14,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit