🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 11.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.84 AU - 1.1 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,048,283 km

• M1: 143,315 km (0.119 R)
• M2: 531,521 km (0.099 R)
• M3: 953,088 km (0.069 R)
• M4: 1,527,843 km (0.039 R)
• M5: 1,909,467 km (0.088 R)
• M6: 2,345,395 km (0.082 R)
• M7: 3,487,874 km (0.117 R)
• M8: 3,951,777 km (0.114 R)
• M9: 4,330,260 km (0.049 R)
• M10: 4,816,752 km (0.096 R)
• M11: 5,861,245 km (0.12 R)
• M12: 6,355,666 km (0.105 R)
• M13: 7,072,688 km (0.11 R)
• M14: 7,519,088 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 12

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.95 AU - 1.35 AU

Year: 796 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,048,283 km

• M1: 150,645 km (0.115 R)
• M2: 565,480 km (0.09 R)
• M3: 965,654 km (0.106 R)
• M4: 1,504,057 km (0.04 R)
• M5: 2,002,367 km (0.053 R)
• M6: 2,719,091 km (0.036 R)
• M7: 3,372,534 km (0.107 R)
• M8: 3,800,384 km (0.113 R)
• M9: 4,446,498 km (0.075 R)
• M10: 5,055,211 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 14.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.85 AU - 4.21 AU

Year: 4282 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,048,283 km

• M1: 177,573 km (0.085 R)
• M2: 681,418 km (0.071 R)
• M3: 1,213,239 km (0.055 R)
• M4: 1,656,946 km (0.077 R)
• M5: 2,226,764 km (0.112 R)
• M6: 3,261,832 km (0.111 R)
• M7: 3,922,307 km (0.052 R)
• M8: 5,597,354 km (0.102 R)
• M9: 6,240,176 km (0.105 R)
• M10: 6,997,291 km (0.101 R)
• M11: 7,466,729 km (0.079 R)
• M12: 8,432,084 km (0.054 R)
• M13: 9,003,398 km (0.084 R)
• M14: 10,698,193 km (0.093 R)
• M15: 13,345,177 km (0.119 R)
• M16: 15,654,669 km (0.061 R)
• M17: 18,726,063 km (0.08 R)
• M18: 21,261,298 km (0.096 R)
• M19: 24,093,335 km (0.111 R)
• M20: 25,481,604 km (0.079 R)
• M21: 26,035,714 km (0.111 R)
• M22: 27,168,170 km (0.11 R)
• M23: 27,996,942 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641

Radius: 10.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.56 AU - 5.88 AU

Year: 6621 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,048,283 km

• M1: 134,339 km (0.112 R)
• M2: 554,859 km (0.073 R)
• M3: 904,918 km (0.063 R)
• M4: 1,629,719 km (0.111 R)
• M5: 2,763,073 km (0.058 R)
• M6: 3,198,103 km (0.078 R)
• M7: 5,065,982 km (0.082 R)
• M8: 5,878,000 km (0.084 R)
• M9: 8,468,287 km (0.099 R)
• M10: 9,133,698 km (0.116 R)
• M11: 9,522,952 km (0.106 R)
• M12: 11,994,159 km (0.111 R)
• M13: 15,043,263 km (0.119 R)
• M14: 15,771,356 km (0.083 R)
• M15: 16,269,666 km (0.03 R)
• M16: 16,972,028 km (0.035 R)
• M17: 17,561,743 km (0.064 R)
• M18: 18,920,839 km (0.111 R)
• M19: 20,642,861 km (0.101 R)
• M20: 28,125,148 km (0.118 R)
• M21: 29,698,768 km (0.052 R)
• M22: 31,525,956 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 8.2

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.35 AU - 5.83 AU

Year: 8534 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,048,283 km

• M1: 104,569 km (0.07 R)
• M2: 412,741 km (0.067 R)
• M3: 972,237 km (0.112 R)
• M4: 1,798,017 km (0.071 R)
• M5: 2,176,649 km (0.117 R)
• M6: 2,627,836 km (0.083 R)
• M7: 3,208,725 km (0.084 R)
• M8: 3,820,281 km (0.092 R)
• M9: 4,195,472 km (0.12 R)
• M10: 5,843,293 km (0.066 R)
• M11: 7,103,954 km (0.099 R)
• M12: 7,672,576 km (0.109 R)
• M13: 8,053,901 km (0.03 R)
• M14: 8,854,399 km (0.073 R)
• M15: 10,305,049 km (0.119 R)
• M16: 14,549,141 km (0.071 R)
• M17: 16,982,350 km (0.098 R)
• M18: 18,071,872 km (0.078 R)
• M19: 18,370,020 km (0.076 R)
• M20: 21,703,210 km (0.105 R)
• M21: 24,498,596 km (0.109 R)
• M22: 25,982,308 km (0.097 R)
• M23: 26,362,436 km (0.118 R)
• M24: 27,722,281 km (0.075 R)
• M25: 29,952,486 km (0.103 R)
• M26: 30,792,179 km (0.068 R)
• M27: 35,694,052 km (0.073 R)
• M28: 38,329,518 km (0.093 R)
• M29: 44,660,051 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.1

Radius: 7.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.46 AU - 7.9 AU

Year: 13742 Days

Day: 16.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,048,283 km

• M1: 95,144 km (0.113 R)
• M2: 543,788 km (0.062 R)
• M3: 1,353,861 km (0.067 R)
• M4: 1,811,481 km (0.111 R)
• M5: 3,189,277 km (0.065 R)
• M6: 5,251,484 km (0.025 R)
• M7: 5,510,587 km (0.061 R)
• M8: 6,089,531 km (0.115 R)
• M9: 6,412,214 km (0.089 R)
• M10: 8,999,359 km (0.038 R)
• M11: 11,493,604 km (0.087 R)
• M12: 11,931,477 km (0.116 R)
• M13: 15,379,409 km (0.084 R)
• M14: 20,695,369 km (0.037 R)
• M15: 22,680,084 km (0.112 R)
• M16: 23,368,983 km (0.029 R)
• M17: 24,338,826 km (0.119 R)
• M18: 25,060,785 km (0.105 R)
• M19: 28,091,937 km (0.068 R)
• M20: 38,272,222 km (0.11 R)
• M21: 40,616,719 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 15,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit