🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.52 AU - 0.62 AU

Year: 274 Days

Day: 23.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 159.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 13.2

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.52 AU - 0.86 AU

Year: 364 Days

Day: 5.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,197,221 km

• M1: 166,203 km (0.103 R)
• M2: 742,454 km (0.08 R)
• M3: 1,197,681 km (0.042 R)
• M4: 2,389,527 km (0.078 R)
• M5: 2,973,856 km (0.102 R)
• M6: 3,641,511 km (0.093 R)
• M7: 4,070,109 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 10.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.69 AU - 0.85 AU

Year: 430 Days

Day: 5.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,197,221 km

• M1: 134,788 km (0.057 R)
• M2: 578,495 km (0.083 R)
• M3: 1,207,105 km (0.109 R)
• M4: 2,403,290 km (0.079 R)
• M5: 3,194,513 km (0.088 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 10.7

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.98 AU - 1.62 AU

Year: 942 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,197,221 km

• M1: 133,142 km (0.108 R)
• M2: 575,353 km (0.034 R)
• M3: 947,403 km (0.098 R)
• M4: 1,285,644 km (0.095 R)
• M5: 1,621,791 km (0.095 R)
• M6: 2,056,971 km (0.11 R)
• M7: 2,856,721 km (0.066 R)
• M8: 3,342,615 km (0.065 R)
• M9: 3,701,500 km (0.085 R)
• M10: 4,070,408 km (0.117 R)
• M11: 4,446,946 km (0.054 R)
• M12: 4,793,265 km (0.116 R)
• M13: 5,619,494 km (0.062 R)
• M14: 5,963,121 km (0.106 R)
• M15: 6,342,351 km (0.049 R)
• M16: 7,172,620 km (0.087 R)
• M17: 7,872,887 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 13.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.65 AU - 2.21 AU

Year: 1705 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,197,221 km

• M1: 171,589 km (0.106 R)
• M2: 634,594 km (0.106 R)
• M3: 1,285,644 km (0.116 R)
• M4: 1,918,593 km (0.082 R)
• M5: 2,353,175 km (0.059 R)
• M6: 2,854,327 km (0.051 R)
• M7: 4,995,073 km (0.058 R)
• M8: 5,927,516 km (0.109 R)
• M9: 6,525,459 km (0.095 R)
• M10: 7,329,099 km (0.074 R)
• M11: 7,871,541 km (0.116 R)
• M12: 8,471,578 km (0.082 R)
• M13: 9,069,521 km (0.074 R)
• M14: 9,763,206 km (0.11 R)
• M15: 10,634,913 km (0.098 R)
• M16: 11,672,075 km (0.059 R)
• M17: 12,254,908 km (0.118 R)
• M18: 12,816,349 km (0.114 R)
• M19: 14,034,075 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.7

Radius: 3.2

Gravity: 38.64 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.72 AU - 10.14 AU

Year: 15562 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,197,221 km

• M1: 40,092 km (0.069 R)
• M2: 160,219 km (0.071 R)
• M3: 307,723 km (0.108 R)
• M4: 528,828 km (0.117 R)
• M5: 691,591 km (0.094 R)
• M6: 1,178,382 km (0.034 R)
• M7: 6,265,308 km (0.113 R)
• M8: 13,886,273 km (0.106 R)
• M9: 18,731,000 km (0.113 R)
• M10: 21,659,677 km (0.028 R)
• M11: 22,730,050 km (0.09 R)
• M12: 23,741,780 km (0.101 R)
• M13: 30,229,541 km (0.105 R)
• M14: 32,822,371 km (0.03 R)
• M15: 40,275,487 km (0.116 R)
• M16: 45,391,435 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.6

Radius: 7.9

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.93 AU - 10.49 AU

Year: 19238 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,197,221 km

• M1: 98,435 km (0.109 R)
• M2: 502,649 km (0.07 R)
• M3: 811,269 km (0.114 R)
• M4: 1,362,986 km (0.107 R)
• M5: 1,669,811 km (0.103 R)
• M6: 2,380,102 km (0.063 R)
• M7: 3,772,410 km (0.084 R)
• M8: 6,438,543 km (0.045 R)
• M9: 7,552,299 km (0.062 R)
• M10: 8,206,790 km (0.069 R)
• M11: 9,342,836 km (0.077 R)
• M12: 9,686,013 km (0.074 R)
• M13: 11,016,387 km (0.114 R)
• M14: 12,124,758 km (0.079 R)
• M15: 21,055,003 km (0.057 R)
• M16: 22,551,430 km (0.073 R)
• M17: 24,010,757 km (0.091 R)
• M18: 25,532,018 km (0.12 R)
• M19: 26,316,210 km (0.11 R)
• M20: 32,652,428 km (0.066 R)
• M21: 35,475,938 km (0.047 R)
• M22: 39,785,703 km (0.107 R)
• M23: 41,603,317 km (0.108 R)
• M24: 42,688,650 km (0.112 R)
• M25: 56,088,730 km (0.118 R)
• M26: 57,986,528 km (0.11 R)
• M27: 60,714,894 km (0.108 R)
• M28: 67,269,974 km (0.098 R)
• M29: 67,694,682 km (0.059 R)
• M30: 72,040,500 km (0.042 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: 314 - 18,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit