🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 0.98 AU

Year: 262 Days

Day: 15.9 Hours

Environment

Temp: 105 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 59,869,404 km

• M1: 40,092 km (0.025 R)
• M2: 96,939 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.84 AU - 4.58 AU

Year: 3109 Days

Day: 29.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,869,404 km

• M1: 425,157 km (0.041 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 8.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.67 AU - 6.11 AU

Year: 5145 Days

Day: 12.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,869,404 km

• M1: 111,002 km (0.079 R)
• M2: 455,675 km (0.092 R)
• M3: 856,149 km (0.107 R)
• M4: 1,776,774 km (0.075 R)
• M5: 2,064,002 km (0.078 R)
• M6: 2,428,572 km (0.112 R)
• M7: 3,047,009 km (0.114 R)
• M8: 3,403,501 km (0.064 R)
• M9: 3,787,818 km (0.056 R)
• M10: 4,246,036 km (0.036 R)
• M11: 4,667,902 km (0.118 R)
• M12: 5,015,119 km (0.089 R)
• M13: 5,541,105 km (0.098 R)
• M14: 6,220,279 km (0.091 R)
• M15: 6,890,628 km (0.118 R)
• M16: 7,985,534 km (0.098 R)
• M17: 8,447,193 km (0.071 R)
• M18: 9,269,084 km (0.044 R)
• M19: 12,568,166 km (0.106 R)
• M20: 19,593,731 km (0.072 R)
• M21: 22,256,124 km (0.073 R)
• M22: 22,745,758 km (0.098 R)
• M23: 24,037,386 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 8.9

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.21 AU - 6.75 AU

Year: 5263 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,869,404 km

• M1: 129,402 km (0.11 R)
• M2: 560,394 km (0.113 R)
• M3: 1,289,982 km (0.042 R)
• M4: 2,438,445 km (0.1 R)
• M5: 3,515,999 km (0.119 R)
• M6: 4,425,853 km (0.098 R)
• M7: 8,702,856 km (0.119 R)
• M8: 10,266,603 km (0.12 R)
• M9: 12,106,208 km (0.096 R)
• M10: 13,413,693 km (0.116 R)
• M11: 15,895,223 km (0.12 R)
• M12: 22,327,931 km (0.092 R)
• M13: 24,442,497 km (0.111 R)
• M14: 26,604,635 km (0.084 R)
• M15: 27,944,433 km (0.079 R)
• M16: 29,416,776 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 13.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.82 AU - 7.16 AU

Year: 5950 Days

Day: 13.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,869,404 km

• M1: 174,282 km (0.069 R)
• M2: 615,146 km (0.095 R)
• M3: 1,112,709 km (0.091 R)
• M4: 1,568,085 km (0.119 R)
• M5: 2,848,643 km (0.093 R)
• M6: 4,258,902 km (0.1 R)
• M7: 5,836,711 km (0.072 R)
• M8: 6,758,682 km (0.107 R)
• M9: 9,393,549 km (0.087 R)
• M10: 11,443,340 km (0.101 R)
• M11: 13,286,385 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.4

Radius: 9.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.66 AU - 10.18 AU

Year: 9588 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,869,404 km

• M1: 118,781 km (0.062 R)
• M2: 420,220 km (0.112 R)
• M3: 873,801 km (0.089 R)
• M4: 1,436,888 km (0.096 R)
• M5: 2,411,218 km (0.052 R)
• M6: 3,464,238 km (0.077 R)
• M7: 4,232,872 km (0.107 R)
• M8: 5,111,161 km (0.075 R)
• M9: 5,412,301 km (0.073 R)
• M10: 6,246,010 km (0.032 R)
• M11: 7,070,444 km (0.078 R)
• M12: 8,337,239 km (0.108 R)
• M13: 9,225,102 km (0.1 R)
• M14: 10,653,164 km (0.103 R)
• M15: 12,090,201 km (0.063 R)
• M16: 15,552,943 km (0.087 R)
• M17: 16,895,434 km (0.103 R)
• M18: 19,564,858 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.1

Radius: 6.8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.81 AU - 13.83 AU

Year: 16520 Days

Day: 19.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,869,404 km

• M1: 95,593 km (0.119 R)
• M2: 416,032 km (0.116 R)
• M3: 1,159,832 km (0.082 R)
• M4: 2,967,872 km (0.094 R)
• M5: 3,713,468 km (0.117 R)
• M6: 4,641,723 km (0.06 R)
• M7: 5,177,283 km (0.064 R)
• M8: 5,496,226 km (0.068 R)
• M9: 6,331,281 km (0.096 R)
• M10: 6,821,065 km (0.079 R)
• M11: 12,677,971 km (0.084 R)
• M12: 14,540,763 km (0.036 R)
• M13: 19,049,194 km (0.075 R)
• M14: 22,213,638 km (0.097 R)
• M15: 24,114,878 km (0.113 R)
• M16: 26,432,448 km (0.032 R)
• M17: 28,455,609 km (0.03 R)
• M18: 32,210,965 km (0.033 R)
• M19: 34,145,415 km (0.032 R)
• M20: 40,411,022 km (0.1 R)
• M21: 41,665,251 km (0.069 R)
• M22: 45,583,668 km (0.1 R)
• M23: 51,667,065 km (0.03 R)
• M24: 53,642,356 km (0.081 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 17,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit