🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 12.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 279 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 64,600,030 km

• M1: 161,865 km (0.116 R)
• M2: 576,550 km (0.098 R)
• M3: 1,627,176 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 10.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.65 AU - 1.03 AU

Year: 541 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,600,030 km

• M1: 134,040 km (0.116 R)
• M2: 474,824 km (0.077 R)
• M3: 897,737 km (0.078 R)
• M4: 1,385,875 km (0.064 R)
• M5: 1,724,714 km (0.093 R)
• M6: 2,278,974 km (0.107 R)
• M7: 2,918,056 km (0.071 R)
• M8: 3,392,730 km (0.058 R)
• M9: 4,006,979 km (0.103 R)
• M10: 4,539,398 km (0.066 R)
• M11: 4,969,192 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 8.3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.8 AU - 0.92 AU

Year: 561 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,600,030 km

• M1: 103,223 km (0.114 R)
• M2: 567,126 km (0.071 R)
• M3: 830,567 km (0.043 R)
• M4: 1,148,463 km (0.099 R)
• M5: 1,511,088 km (0.03 R)
• M6: 1,805,198 km (0.069 R)
• M7: 2,439,193 km (0.114 R)
• M8: 2,870,035 km (0.072 R)
• M9: 3,759,694 km (0.077 R)
• M10: 4,520,100 km (0.044 R)
• M11: 5,700,726 km (0.099 R)
• M12: 6,382,294 km (0.095 R)
• M13: 7,095,876 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 11.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.35 AU - 4.57 AU

Year: 5539 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,600,030 km

• M1: 139,276 km (0.114 R)
• M2: 538,702 km (0.079 R)
• M3: 935,435 km (0.107 R)
• M4: 1,333,665 km (0.094 R)
• M5: 1,941,930 km (0.111 R)
• M6: 3,077,827 km (0.072 R)
• M7: 3,983,492 km (0.109 R)
• M8: 4,688,996 km (0.059 R)
• M9: 6,007,252 km (0.09 R)
• M10: 6,508,106 km (0.098 R)
• M11: 6,935,507 km (0.111 R)
• M12: 8,523,189 km (0.085 R)
• M13: 9,035,562 km (0.083 R)
• M14: 10,428,916 km (0.073 R)
• M15: 11,153,868 km (0.114 R)
• M16: 11,815,539 km (0.113 R)
• M17: 12,603,621 km (0.096 R)
• M18: 15,008,257 km (0.057 R)
• M19: 15,639,709 km (0.11 R)
• M20: 16,288,665 km (0.105 R)
• M21: 16,833,052 km (0.115 R)
• M22: 18,999,528 km (0.115 R)
• M23: 27,108,630 km (0.072 R)
• M24: 28,218,048 km (0.108 R)
• M25: 29,803,785 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 9.1

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.3 AU - 5.48 AU

Year: 6466 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,600,030 km

• M1: 113,246 km (0.06 R)
• M2: 628,760 km (0.115 R)
• M3: 1,576,014 km (0.075 R)
• M4: 2,663,141 km (0.08 R)
• M5: 3,010,508 km (0.089 R)
• M6: 3,588,404 km (0.069 R)
• M7: 4,419,271 km (0.114 R)
• M8: 5,021,851 km (0.041 R)
• M9: 6,560,465 km (0.099 R)
• M10: 12,545,427 km (0.117 R)
• M11: 14,093,167 km (0.089 R)
• M12: 17,101,580 km (0.074 R)
• M13: 18,306,591 km (0.095 R)
• M14: 20,661,411 km (0.115 R)
• M15: 23,859,364 km (0.08 R)
• M16: 29,866,616 km (0.11 R)
• M17: 35,300,610 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.8

Radius: 7.3

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.6 AU - 7.46 AU

Year: 13102 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,600,030 km

• M1: 90,806 km (0.1 R)
• M2: 331,060 km (0.114 R)
• M3: 599,139 km (0.099 R)
• M4: 875,596 km (0.116 R)
• M5: 1,746,854 km (0.081 R)
• M6: 2,346,443 km (0.09 R)
• M7: 2,581,760 km (0.116 R)
• M8: 2,809,448 km (0.036 R)
• M9: 3,227,724 km (0.098 R)
• M10: 4,127,106 km (0.089 R)
• M11: 5,291,576 km (0.098 R)
• M12: 5,661,232 km (0.034 R)
• M13: 6,493,445 km (0.045 R)
• M14: 6,831,237 km (0.098 R)
• M15: 7,820,528 km (0.102 R)
• M16: 8,251,519 km (0.109 R)
• M17: 9,213,733 km (0.087 R)
• M18: 9,640,536 km (0.081 R)
• M19: 10,823,556 km (0.107 R)
• M20: 11,238,540 km (0.074 R)
• M21: 11,664,146 km (0.029 R)
• M22: 14,661,190 km (0.072 R)
• M23: 16,686,446 km (0.115 R)
• M24: 20,825,220 km (0.086 R)
• M25: 23,473,252 km (0.084 R)
• M26: 23,769,606 km (0.072 R)
• M27: 27,414,558 km (0.12 R)
• M28: 32,017,235 km (0.063 R)
• M29: 34,883,979 km (0.062 R)
• M30: 38,053,210 km (0.055 R)
• M31: 40,979,345 km (0.072 R)
• M32: 42,716,924 km (0.105 R)
• M33: 43,158,986 km (0.098 R)
• M34: 44,202,132 km (0.12 R)
• M35: 45,109,443 km (0.113 R)
• M36: 53,159,753 km (0.115 R)
• M37: 54,013,807 km (0.119 R)
• M38: 55,050,820 km (0.119 R)
• M39: 60,250,542 km (0.104 R)
• M40: 63,254,767 km (0.067 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: 268 - 16,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit