🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 10.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.86 AU - 1.26 AU

Year: 716 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,165,200 km

• M1: 126,859 km (0.074 R)
• M2: 600,935 km (0.112 R)
• M3: 1,050,027 km (0.095 R)
• M4: 1,534,126 km (0.095 R)
• M5: 2,398,802 km (0.101 R)
• M6: 2,801,370 km (0.098 R)
• M7: 4,044,378 km (0.083 R)
• M8: 4,450,836 km (0.108 R)
• M9: 5,161,426 km (0.113 R)
• M10: 6,589,786 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 10.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.93 AU - 1.43 AU

Year: 841 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,165,200 km

• M1: 126,859 km (0.115 R)
• M2: 474,674 km (0.114 R)
• M3: 922,420 km (0.084 R)
• M4: 1,459,178 km (0.089 R)
• M5: 2,307,846 km (0.039 R)
• M6: 3,123,005 km (0.102 R)
• M7: 3,889,694 km (0.114 R)
• M8: 4,342,078 km (0.071 R)
• M9: 4,794,462 km (0.074 R)
• M10: 5,278,262 km (0.054 R)
• M11: 5,657,343 km (0.111 R)
• M12: 6,663,688 km (0.104 R)
• M13: 7,039,477 km (0.042 R)
• M14: 7,955,316 km (0.081 R)
• M15: 8,922,167 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 8.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.76 AU - 2.78 AU

Year: 2244 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,165,200 km

• M1: 110,553 km (0.119 R)
• M2: 398,080 km (0.108 R)
• M3: 839,992 km (0.108 R)
• M4: 1,148,164 km (0.066 R)
• M5: 2,195,050 km (0.084 R)
• M6: 2,778,481 km (0.056 R)
• M7: 4,638,282 km (0.105 R)
• M8: 5,025,142 km (0.111 R)
• M9: 5,387,019 km (0.102 R)
• M10: 6,137,701 km (0.099 R)
• M11: 7,320,721 km (0.107 R)
• M12: 7,996,605 km (0.101 R)
• M13: 9,746,152 km (0.094 R)
• M14: 10,747,410 km (0.119 R)
• M15: 11,387,839 km (0.088 R)
• M16: 11,737,000 km (0.072 R)
• M17: 13,462,312 km (0.095 R)
• M18: 14,295,722 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 10

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.63 AU - 4.97 AU

Year: 5849 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,165,200 km

• M1: 135,087 km (0.086 R)
• M2: 461,809 km (0.099 R)
• M3: 869,164 km (0.083 R)
• M4: 2,324,003 km (0.072 R)
• M5: 2,862,854 km (0.056 R)
• M6: 3,708,830 km (0.117 R)
• M7: 4,317,245 km (0.071 R)
• M8: 4,740,757 km (0.029 R)
• M9: 6,147,276 km (0.064 R)
• M10: 7,107,395 km (0.07 R)
• M11: 8,283,683 km (0.103 R)
• M12: 9,897,096 km (0.105 R)
• M13: 11,964,389 km (0.09 R)
• M14: 12,589,259 km (0.1 R)
• M15: 17,193,882 km (0.078 R)
• M16: 23,369,581 km (0.082 R)
• M17: 27,527,654 km (0.09 R)
• M18: 31,955,751 km (0.1 R)
• M19: 35,440,334 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.4

Radius: 7.9

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.46 AU - 9.92 AU

Year: 18276 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,165,200 km

• M1: 100,231 km (0.055 R)
• M2: 423,811 km (0.117 R)
• M3: 1,230,442 km (0.09 R)
• M4: 1,865,485 km (0.055 R)
• M5: 2,299,020 km (0.112 R)
• M6: 2,871,531 km (0.113 R)
• M7: 3,507,322 km (0.092 R)
• M8: 4,911,896 km (0.063 R)
• M9: 5,940,232 km (0.089 R)
• M10: 7,105,450 km (0.072 R)
• M11: 8,263,188 km (0.082 R)
• M12: 10,704,027 km (0.111 R)
• M13: 17,367,864 km (0.115 R)
• M14: 17,704,310 km (0.03 R)
• M15: 29,940,219 km (0.055 R)
• M16: 30,668,012 km (0.043 R)
• M17: 39,324,792 km (0.118 R)
• M18: 47,650,063 km (0.075 R)
• M19: 49,647,345 km (0.086 R)
• M20: 68,298,459 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 7.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.44 AU - 10.88 AU

Year: 22832 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,165,200 km

• M1: 89,609 km (0.09 R)
• M2: 324,478 km (0.093 R)
• M3: 564,433 km (0.106 R)
• M4: 1,826,889 km (0.099 R)
• M5: 3,207,378 km (0.105 R)
• M6: 3,689,083 km (0.103 R)
• M7: 4,156,726 km (0.098 R)
• M8: 4,796,108 km (0.114 R)
• M9: 7,065,208 km (0.103 R)
• M10: 8,309,863 km (0.081 R)
• M11: 8,705,100 km (0.119 R)
• M12: 10,076,913 km (0.101 R)
• M13: 12,269,419 km (0.043 R)
• M14: 13,443,164 km (0.089 R)
• M15: 15,049,546 km (0.108 R)
• M16: 16,624,512 km (0.12 R)
• M17: 17,572,065 km (0.089 R)
• M18: 19,574,582 km (0.089 R)
• M19: 20,720,502 km (0.091 R)
• M20: 32,384,349 km (0.09 R)
• M21: 34,740,366 km (0.118 R)
• M22: 36,025,112 km (0.116 R)
• M23: 36,285,861 km (0.118 R)
• M24: 42,200,662 km (0.05 R)
• M25: 42,635,692 km (0.1 R)
• M26: 55,720,569 km (0.085 R)
• M27: 60,552,880 km (0.103 R)
• M28: 61,477,395 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit