🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 8.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.68 AU - 0.72 AU

Year: 412 Days

Day: 11.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,300,641 km

• M1: 103,223 km (0.07 R)
• M2: 397,482 km (0.113 R)
• M3: 657,483 km (0.077 R)
• M4: 918,830 km (0.105 R)
• M5: 1,184,516 km (0.084 R)
• M6: 1,521,859 km (0.106 R)
• M7: 1,838,857 km (0.073 R)
• M8: 2,191,459 km (0.069 R)
• M9: 2,541,369 km (0.092 R)
• M10: 2,815,282 km (0.097 R)
• M11: 3,434,767 km (0.115 R)
• M12: 3,733,813 km (0.075 R)
• M13: 4,063,377 km (0.058 R)
• M14: 4,439,766 km (0.045 R)
• M15: 5,325,385 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 11.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.72 AU - 0.98 AU

Year: 551 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,300,641 km

• M1: 141,819 km (0.113 R)
• M2: 751,281 km (0.094 R)
• M3: 1,979,479 km (0.112 R)
• M4: 2,424,981 km (0.096 R)
• M5: 2,937,205 km (0.11 R)
• M6: 3,888,348 km (0.105 R)
• M7: 4,281,341 km (0.056 R)
• M8: 5,450,449 km (0.102 R)
• M9: 6,604,148 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.5

Radius: 11.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.24 AU - 2.5 AU

Year: 2565 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,300,641 km

• M1: 147,803 km (0.069 R)
• M2: 643,869 km (0.082 R)
• M3: 1,058,405 km (0.118 R)
• M4: 1,544,149 km (0.112 R)
• M5: 1,933,104 km (0.09 R)
• M6: 2,485,120 km (0.087 R)
• M7: 3,291,303 km (0.091 R)
• M8: 3,700,303 km (0.079 R)
• M9: 4,244,092 km (0.107 R)
• M10: 5,714,339 km (0.059 R)
• M11: 7,291,550 km (0.065 R)
• M12: 8,970,936 km (0.076 R)
• M13: 9,702,918 km (0.052 R)
• M14: 10,856,018 km (0.092 R)
• M15: 12,223,343 km (0.094 R)
• M16: 12,775,359 km (0.115 R)
• M17: 13,167,305 km (0.084 R)
• M18: 14,673,457 km (0.053 R)
• M19: 16,856,538 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 10.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.69 AU - 3.29 AU

Year: 3634 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,300,641 km

• M1: 126,859 km (0.073 R)
• M2: 1,579,305 km (0.117 R)
• M3: 2,713,556 km (0.103 R)
• M4: 3,303,121 km (0.113 R)
• M5: 3,728,727 km (0.073 R)
• M6: 4,881,977 km (0.072 R)
• M7: 6,609,832 km (0.071 R)
• M8: 12,882,471 km (0.088 R)
• M9: 15,212,907 km (0.037 R)
• M10: 16,175,569 km (0.09 R)
• M11: 18,221,918 km (0.073 R)
• M12: 19,062,509 km (0.067 R)
• M13: 19,928,680 km (0.095 R)
• M14: 23,167,923 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.9

Radius: 12.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.29 AU - 3.81 AU

Year: 4702 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,300,641 km

• M1: 156,031 km (0.114 R)
• M2: 633,098 km (0.097 R)
• M3: 1,045,240 km (0.095 R)
• M4: 1,668,764 km (0.053 R)
• M5: 2,801,819 km (0.116 R)
• M6: 3,443,593 km (0.101 R)
• M7: 4,789,376 km (0.058 R)
• M8: 5,681,278 km (0.093 R)
• M9: 7,240,088 km (0.106 R)
• M10: 7,723,738 km (0.093 R)
• M11: 8,949,842 km (0.071 R)
• M12: 10,648,975 km (0.109 R)
• M13: 11,049,149 km (0.099 R)
• M14: 11,459,346 km (0.086 R)
• M15: 13,202,910 km (0.078 R)
• M16: 13,665,317 km (0.071 R)
• M17: 16,551,359 km (0.118 R)
• M18: 18,011,584 km (0.053 R)
• M19: 19,292,590 km (0.105 R)
• M20: 21,750,334 km (0.096 R)
• M21: 23,876,568 km (0.12 R)
• M22: 28,199,049 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.7

Radius: 12.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.83 AU - 4.75 AU

Year: 6246 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,300,641 km

• M1: 159,471 km (0.047 R)
• M2: 664,663 km (0.086 R)
• M3: 1,265,000 km (0.092 R)
• M4: 1,978,881 km (0.086 R)
• M5: 2,623,049 km (0.077 R)
• M6: 3,140,359 km (0.1 R)
• M7: 3,681,454 km (0.057 R)
• M8: 4,713,380 km (0.094 R)
• M9: 5,600,047 km (0.118 R)
• M10: 6,052,431 km (0.117 R)
• M11: 6,594,723 km (0.12 R)
• M12: 7,415,566 km (0.076 R)
• M13: 7,925,097 km (0.099 R)
• M14: 9,511,283 km (0.055 R)
• M15: 9,982,367 km (0.058 R)
• M16: 10,925,282 km (0.082 R)
• M17: 13,355,799 km (0.063 R)
• M18: 15,068,096 km (0.08 R)
• M19: 15,768,663 km (0.12 R)
• M20: 18,131,412 km (0.079 R)
• M21: 23,239,730 km (0.085 R)
• M22: 25,955,679 km (0.074 R)
• M23: 28,522,330 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 11.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.92 AU - 6.09 AU

Year: 7859 Days

Day: 13.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,300,641 km

• M1: 141,968 km (0.058 R)
• M2: 515,365 km (0.055 R)
• M3: 922,420 km (0.102 R)
• M4: 1,673,252 km (0.105 R)
• M5: 2,981,186 km (0.068 R)
• M6: 5,067,478 km (0.096 R)
• M7: 5,434,292 km (0.101 R)
• M8: 10,280,366 km (0.073 R)
• M9: 11,339,818 km (0.063 R)
• M10: 15,536,786 km (0.095 R)
• M11: 15,892,530 km (0.096 R)
• M12: 22,428,311 km (0.09 R)
• M13: 23,577,073 km (0.036 R)
• M14: 24,684,247 km (0.111 R)
• M15: 26,916,846 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.4

Radius: 7.1

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.25 AU - 8.15 AU

Year: 15019 Days

Day: 24.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,300,641 km

• M1: 88,263 km (0.084 R)
• M2: 432,936 km (0.117 R)
• M3: 770,579 km (0.062 R)
• M4: 1,040,902 km (0.12 R)
• M5: 1,305,092 km (0.073 R)
• M6: 1,829,432 km (0.102 R)
• M7: 2,179,192 km (0.098 R)
• M8: 3,290,256 km (0.104 R)
• M9: 4,445,002 km (0.106 R)
• M10: 10,720,333 km (0.073 R)
• M11: 11,308,701 km (0.086 R)
• M12: 12,743,495 km (0.116 R)
• M13: 17,689,499 km (0.081 R)
• M14: 18,014,875 km (0.1 R)
• M15: 18,261,562 km (0.087 R)
• M16: 19,356,768 km (0.102 R)
• M17: 20,944,599 km (0.106 R)
• M18: 26,331,619 km (0.113 R)
• M19: 26,649,514 km (0.081 R)
• M20: 31,491,698 km (0.071 R)
• M21: 33,310,060 km (0.057 R)
• M22: 34,307,878 km (0.084 R)
• M23: 34,560,399 km (0.08 R)
• M24: 44,651,075 km (0.089 R)
• M25: 45,710,826 km (0.055 R)
• M26: 48,671,817 km (0.078 R)
• M27: 51,262,403 km (0.094 R)
• M28: 53,603,311 km (0.118 R)
• M29: 56,540,515 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit