🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 10.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,682,270 km

• M1: 132,993 km (0.095 R)
• M2: 513,121 km (0.086 R)
• M3: 858,841 km (0.099 R)
• M4: 1,213,688 km (0.116 R)
• M5: 1,703,022 km (0.07 R)
• M6: 2,436,351 km (0.116 R)
• M7: 3,212,764 km (0.113 R)
• M8: 3,804,423 km (0.055 R)
• M9: 4,345,070 km (0.073 R)
• M10: 4,747,638 km (0.077 R)
• M11: 5,084,682 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 13

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.06 AU - 1.18 AU

Year: 790 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,682,270 km

• M1: 161,715 km (0.062 R)
• M2: 575,952 km (0.119 R)
• M3: 1,071,719 km (0.098 R)
• M4: 1,998,328 km (0.057 R)
• M5: 2,565,903 km (0.093 R)
• M6: 3,054,340 km (0.098 R)
• M7: 3,722,593 km (0.111 R)
• M8: 4,419,271 km (0.073 R)
• M9: 5,089,469 km (0.098 R)
• M10: 6,457,841 km (0.108 R)
• M11: 7,275,094 km (0.072 R)
• M12: 8,237,158 km (0.112 R)
• M13: 9,310,074 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 9.4

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.84 AU - 2.52 AU

Year: 2146 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,682,270 km

• M1: 116,986 km (0.119 R)
• M2: 521,049 km (0.086 R)
• M3: 893,847 km (0.091 R)
• M4: 1,274,275 km (0.086 R)
• M5: 1,622,090 km (0.112 R)
• M6: 1,965,866 km (0.085 R)
• M7: 2,409,423 km (0.104 R)
• M8: 3,302,373 km (0.085 R)
• M9: 4,559,444 km (0.055 R)
• M10: 5,452,543 km (0.09 R)
• M11: 6,978,292 km (0.053 R)
• M12: 7,276,141 km (0.083 R)
• M13: 7,582,518 km (0.036 R)
• M14: 8,311,059 km (0.053 R)
• M15: 10,706,570 km (0.069 R)
• M16: 13,320,793 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.4

Radius: 14.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.76 AU - 4.4 AU

Year: 5496 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,682,270 km

• M1: 175,329 km (0.11 R)
• M2: 616,942 km (0.101 R)
• M3: 1,063,491 km (0.114 R)
• M4: 1,690,157 km (0.076 R)
• M5: 2,150,021 km (0.078 R)
• M6: 3,773,307 km (0.107 R)
• M7: 4,573,656 km (0.057 R)
• M8: 7,211,216 km (0.084 R)
• M9: 8,068,860 km (0.099 R)
• M10: 10,962,532 km (0.057 R)
• M11: 11,951,224 km (0.084 R)
• M12: 14,991,502 km (0.099 R)
• M13: 16,690,335 km (0.102 R)
• M14: 17,807,532 km (0.06 R)
• M15: 19,441,290 km (0.082 R)
• M16: 19,916,114 km (0.06 R)
• M17: 23,766,913 km (0.102 R)
• M18: 24,388,342 km (0.079 R)
• M19: 25,180,463 km (0.036 R)
• M20: 26,235,727 km (0.057 R)
• M21: 26,732,541 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.6

Radius: 3.3

Gravity: 88.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.53 AU - 9.01 AU

Year: 13072 Days

Day: 15.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,682,270 km

• M1: 41,139 km (0.069 R)
• M2: 143,913 km (0.113 R)
• M3: 266,733 km (0.119 R)
• M4: 379,530 km (0.063 R)
• M5: 539,749 km (0.106 R)
• M6: 644,617 km (0.115 R)
• M7: 1,069,326 km (0.047 R)
• M8: 2,011,343 km (0.046 R)
• M9: 2,891,577 km (0.086 R)
• M10: 3,941,306 km (0.078 R)
• M11: 4,405,059 km (0.11 R)
• M12: 5,665,271 km (0.093 R)
• M13: 6,418,646 km (0.12 R)
• M14: 7,102,907 km (0.102 R)
• M15: 8,316,445 km (0.078 R)
• M16: 8,817,747 km (0.09 R)
• M17: 8,920,371 km (0.113 R)
• M18: 9,023,893 km (0.059 R)
• M19: 9,661,479 km (0.113 R)
• M20: 12,448,936 km (0.089 R)
• M21: 12,773,713 km (0.117 R)
• M22: 13,170,896 km (0.094 R)
• M23: 15,280,974 km (0.096 R)
• M24: 16,885,261 km (0.053 R)
• M25: 19,194,304 km (0.086 R)
• M26: 23,825,106 km (0.095 R)
• M27: 27,148,872 km (0.105 R)
• M28: 27,257,480 km (0.111 R)
• M29: 29,490,378 km (0.108 R)
• M30: 31,005,206 km (0.111 R)
• M31: 31,362,146 km (0.102 R)
• M32: 33,435,872 km (0.114 R)
• M33: 33,685,850 km (0.075 R)
• M34: 34,062,837 km (0.085 R)
• M35: 35,859,956 km (0.114 R)
• M36: 49,103,706 km (0.085 R)
• M37: 50,896,487 km (0.095 R)
• M38: 59,964,362 km (0.034 R)
• M39: 60,703,375 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.5

Radius: 6.6

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.96 AU - 11.16 AU

Year: 21278 Days

Day: 16.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,682,270 km

• M1: 84,224 km (0.112 R)
• M2: 587,920 km (0.113 R)
• M3: 834,307 km (0.106 R)
• M4: 1,085,632 km (0.078 R)
• M5: 1,300,155 km (0.042 R)
• M6: 1,798,316 km (0.08 R)
• M7: 2,691,116 km (0.104 R)
• M8: 2,910,427 km (0.061 R)
• M9: 3,700,154 km (0.088 R)
• M10: 7,334,634 km (0.1 R)
• M11: 16,000,091 km (0.097 R)
• M12: 16,480,001 km (0.106 R)
• M13: 19,472,856 km (0.119 R)
• M14: 23,931,919 km (0.098 R)
• M15: 26,508,144 km (0.059 R)
• M16: 30,344,282 km (0.112 R)
• M17: 35,201,426 km (0.109 R)
• M18: 36,149,278 km (0.111 R)
• M19: 39,383,734 km (0.083 R)
• M20: 40,552,392 km (0.093 R)
• M21: 57,915,170 km (0.104 R)
• M22: 58,478,556 km (0.112 R)
• M23: 60,382,637 km (0.068 R)
• M24: 61,544,714 km (0.069 R)
• M25: 71,598,738 km (0.077 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: 297 - 15,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit