🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 8.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.03 AU - 1.37 AU

Year: 836 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,503,201 km

• M1: 110,702 km (0.103 R)
• M2: 389,403 km (0.106 R)
• M3: 895,942 km (0.072 R)
• M4: 1,347,129 km (0.054 R)
• M5: 1,821,204 km (0.12 R)
• M6: 2,836,675 km (0.046 R)
• M7: 3,536,344 km (0.078 R)
• M8: 3,890,442 km (0.038 R)
• M9: 4,268,177 km (0.095 R)
• M10: 5,457,929 km (0.119 R)
• M11: 5,739,173 km (0.106 R)
• M12: 6,642,295 km (0.12 R)
• M13: 6,919,949 km (0.059 R)
• M14: 7,453,265 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 9.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.95 AU - 2.75 AU

Year: 2291 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,503,201 km

• M1: 125,662 km (0.12 R)
• M2: 1,232,537 km (0.064 R)
• M3: 2,319,066 km (0.109 R)
• M4: 2,940,197 km (0.096 R)
• M5: 3,577,932 km (0.118 R)
• M6: 6,996,543 km (0.074 R)
• M7: 7,821,276 km (0.065 R)
• M8: 9,246,196 km (0.116 R)
• M9: 11,458,299 km (0.109 R)
• M10: 12,392,837 km (0.107 R)
• M11: 13,866,077 km (0.09 R)
• M12: 14,785,506 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 14.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.27 AU - 4.61 AU

Year: 4973 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,503,201 km

• M1: 185,352 km (0.112 R)
• M2: 852,708 km (0.106 R)
• M3: 1,330,673 km (0.025 R)
• M4: 1,942,828 km (0.08 R)
• M5: 2,642,796 km (0.089 R)
• M6: 4,007,129 km (0.026 R)
• M7: 4,554,507 km (0.09 R)
• M8: 5,717,032 km (0.095 R)
• M9: 6,353,571 km (0.053 R)
• M10: 7,430,526 km (0.046 R)
• M11: 8,048,365 km (0.039 R)
• M12: 8,515,709 km (0.109 R)
• M13: 10,069,133 km (0.111 R)
• M14: 10,740,828 km (0.088 R)
• M15: 13,480,264 km (0.082 R)
• M16: 16,030,010 km (0.054 R)
• M17: 16,599,230 km (0.098 R)
• M18: 17,064,180 km (0.1 R)
• M19: 19,585,952 km (0.06 R)
• M20: 20,237,002 km (0.081 R)
• M21: 22,629,819 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 13.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.05 AU - 6.89 AU

Year: 9275 Days

Day: 9.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,503,201 km

• M1: 170,542 km (0.065 R)
• M2: 839,394 km (0.083 R)
• M3: 1,798,914 km (0.056 R)
• M4: 2,385,188 km (0.094 R)
• M5: 2,877,964 km (0.065 R)
• M6: 4,373,643 km (0.089 R)
• M7: 6,895,115 km (0.083 R)
• M8: 8,073,797 km (0.105 R)
• M9: 11,455,307 km (0.046 R)
• M10: 13,105,521 km (0.095 R)
• M11: 16,488,827 km (0.11 R)
• M12: 18,294,174 km (0.092 R)
• M13: 20,165,494 km (0.098 R)
• M14: 20,732,021 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.5

Radius: 4.7

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.4 AU - 11.9 AU

Year: 19060 Days

Day: 17 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,503,201 km

• M1: 58,642 km (0.113 R)
• M2: 500,405 km (0.119 R)
• M3: 663,766 km (0.093 R)
• M4: 822,339 km (0.109 R)
• M5: 1,978,282 km (0.068 R)
• M6: 2,374,417 km (0.094 R)
• M7: 4,060,385 km (0.114 R)
• M8: 5,970,152 km (0.116 R)
• M9: 9,598,648 km (0.102 R)
• M10: 11,376,020 km (0.088 R)
• M11: 12,119,223 km (0.098 R)
• M12: 12,438,315 km (0.092 R)
• M13: 17,031,568 km (0.114 R)
• M14: 17,270,925 km (0.107 R)
• M15: 19,527,908 km (0.086 R)
• M16: 22,448,357 km (0.041 R)
• M17: 24,012,253 km (0.099 R)
• M18: 31,232,744 km (0.095 R)
• M19: 32,684,292 km (0.076 R)
• M20: 35,073,819 km (0.099 R)
• M21: 46,570,416 km (0.102 R)
• M22: 54,443,901 km (0.117 R)
• M23: 59,240,009 km (0.07 R)
• M24: 64,310,030 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 16,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit