🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 9.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.6 AU - 0.7 AU

Year: 349 Days

Day: 11.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,309,202 km

• M1: 123,717 km (0.092 R)
• M2: 491,279 km (0.099 R)
• M3: 822,938 km (0.107 R)
• M4: 1,201,121 km (0.093 R)
• M5: 1,658,741 km (0.116 R)
• M6: 2,097,811 km (0.099 R)
• M7: 2,497,237 km (0.059 R)
• M8: 2,883,649 km (0.088 R)
• M9: 3,638,220 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 9.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,309,202 km

• M1: 118,182 km (0.096 R)
• M2: 455,226 km (0.081 R)
• M3: 774,618 km (0.119 R)
• M4: 1,209,499 km (0.113 R)
• M5: 1,547,740 km (0.087 R)
• M6: 1,928,017 km (0.102 R)
• M7: 2,226,166 km (0.075 R)
• M8: 2,590,138 km (0.107 R)
• M9: 3,354,882 km (0.094 R)
• M10: 3,893,434 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 12.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.12 AU - 2.5 AU

Year: 2341 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,309,202 km

• M1: 154,983 km (0.037 R)
• M2: 557,551 km (0.1 R)
• M3: 978,819 km (0.081 R)
• M4: 1,394,402 km (0.113 R)
• M5: 1,802,056 km (0.096 R)
• M6: 2,265,959 km (0.083 R)
• M7: 2,969,817 km (0.037 R)
• M8: 3,522,282 km (0.054 R)
• M9: 4,142,664 km (0.074 R)
• M10: 4,751,976 km (0.098 R)
• M11: 6,349,233 km (0.073 R)
• M12: 6,759,879 km (0.091 R)
• M13: 7,692,023 km (0.097 R)
• M14: 8,583,926 km (0.096 R)
• M15: 9,676,738 km (0.073 R)
• M16: 10,824,004 km (0.116 R)
• M17: 11,675,815 km (0.112 R)
• M18: 12,893,990 km (0.063 R)
• M19: 13,429,401 km (0.101 R)
• M20: 14,282,109 km (0.103 R)
• M21: 15,261,227 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 12.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.35 AU - 3.05 AU

Year: 2959 Days

Day: 13.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,309,202 km

• M1: 150,495 km (0.065 R)
• M2: 2,489,309 km (0.083 R)
• M3: 3,241,187 km (0.067 R)
• M4: 6,180,337 km (0.069 R)
• M5: 6,703,181 km (0.093 R)
• M6: 7,405,693 km (0.053 R)
• M7: 9,921,181 km (0.086 R)
• M8: 10,639,550 km (0.025 R)
• M9: 11,843,963 km (0.111 R)
• M10: 16,208,181 km (0.082 R)
• M11: 17,151,396 km (0.052 R)
• M12: 19,436,503 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.2

Radius: 7.3

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.3 AU - 11.9 AU

Year: 19835 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,309,202 km

• M1: 91,404 km (0.112 R)
• M2: 425,307 km (0.115 R)
• M3: 862,581 km (0.117 R)
• M4: 1,463,965 km (0.082 R)
• M5: 1,811,331 km (0.087 R)
• M6: 2,172,161 km (0.114 R)
• M7: 2,490,206 km (0.064 R)
• M8: 2,962,487 km (0.087 R)
• M9: 3,437,310 km (0.037 R)
• M10: 3,722,444 km (0.106 R)
• M11: 3,992,468 km (0.062 R)
• M12: 5,317,456 km (0.087 R)
• M13: 6,059,312 km (0.102 R)
• M14: 6,433,905 km (0.053 R)
• M15: 9,068,773 km (0.089 R)
• M16: 10,653,014 km (0.062 R)
• M17: 11,015,190 km (0.113 R)
• M18: 12,882,321 km (0.098 R)
• M19: 13,432,393 km (0.093 R)
• M20: 14,214,191 km (0.088 R)
• M21: 14,653,261 km (0.118 R)
• M22: 17,646,714 km (0.114 R)
• M23: 18,239,421 km (0.079 R)
• M24: 18,670,861 km (0.056 R)
• M25: 19,464,478 km (0.098 R)
• M26: 26,312,470 km (0.075 R)
• M27: 49,322,418 km (0.117 R)
• M28: 53,077,175 km (0.049 R)
• M29: 57,940,303 km (0.116 R)
• M30: 60,575,170 km (0.109 R)
• M31: 63,288,875 km (0.092 R)
• M32: 64,675,647 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.5

Radius: 3.9

Gravity: 40.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.22 AU - 12.84 AU

Year: 22786 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,309,202 km

• M1: 48,470 km (0.086 R)
• M2: 254,915 km (0.064 R)
• M3: 449,841 km (0.115 R)
• M4: 625,469 km (0.114 R)
• M5: 1,848,431 km (0.094 R)
• M6: 2,557,076 km (0.048 R)
• M7: 3,120,312 km (0.117 R)
• M8: 4,417,924 km (0.115 R)
• M9: 5,223,808 km (0.105 R)
• M10: 6,932,216 km (0.118 R)
• M11: 7,809,906 km (0.081 R)
• M12: 8,118,228 km (0.075 R)
• M13: 8,980,211 km (0.064 R)
• M14: 10,632,669 km (0.065 R)
• M15: 12,065,218 km (0.119 R)
• M16: 12,338,832 km (0.116 R)
• M17: 12,616,636 km (0.097 R)
• M18: 17,298,301 km (0.12 R)
• M19: 17,910,156 km (0.1 R)
• M20: 20,502,089 km (0.099 R)
• M21: 23,228,211 km (0.099 R)
• M22: 25,845,875 km (0.103 R)
• M23: 27,933,363 km (0.075 R)
• M24: 28,291,949 km (0.049 R)
• M25: 32,047,454 km (0.059 R)
• M26: 34,865,429 km (0.063 R)
• M27: 35,980,981 km (0.095 R)
• M28: 41,296,343 km (0.062 R)
• M29: 42,544,587 km (0.111 R)
• M30: 44,952,515 km (0.028 R)
• M31: 46,774,916 km (0.115 R)
• M32: 47,449,602 km (0.037 R)
• M33: 47,789,489 km (0.09 R)
• M34: 55,870,317 km (0.084 R)
• M35: 58,169,337 km (0.031 R)
• M36: 60,331,475 km (0.099 R)
• M37: 66,924,702 km (0.086 R)
• M38: 67,996,421 km (0.109 R)
• M39: 70,615,132 km (0.109 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: 295 - 11,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit