🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.64 AU - 0.96 AU

Year: 270 Days

Day: 12.2 Hours

Environment

Temp: 91 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.77 AU - 2.43 AU

Year: 1146 Days

Day: 35.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,219,358 km

• M1: 26,180 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 14.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.25 AU - 5.27 AU

Year: 4545 Days

Day: 6.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,219,358 km

• M1: 185,352 km (0.101 R)
• M2: 656,435 km (0.105 R)
• M3: 1,153,250 km (0.103 R)
• M4: 1,631,814 km (0.049 R)
• M5: 2,668,377 km (0.062 R)
• M6: 3,824,170 km (0.093 R)
• M7: 5,002,702 km (0.076 R)
• M8: 5,733,638 km (0.092 R)
• M9: 7,208,972 km (0.068 R)
• M10: 8,107,606 km (0.101 R)
• M11: 8,584,225 km (0.1 R)
• M12: 9,118,589 km (0.081 R)
• M13: 10,212,149 km (0.074 R)
• M14: 14,548,543 km (0.12 R)
• M15: 15,035,035 km (0.11 R)
• M16: 17,031,568 km (0.117 R)
• M17: 18,124,680 km (0.114 R)
• M18: 19,458,494 km (0.11 R)
• M19: 22,107,873 km (0.103 R)
• M20: 23,408,476 km (0.078 R)
• M21: 24,227,974 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 13.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.19 AU - 6.67 AU

Year: 4767 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,219,358 km

• M1: 169,345 km (0.118 R)
• M2: 661,073 km (0.119 R)
• M3: 1,136,645 km (0.066 R)
• M4: 1,613,263 km (0.116 R)
• M5: 2,739,885 km (0.06 R)
• M6: 3,294,295 km (0.087 R)
• M7: 4,757,362 km (0.06 R)
• M8: 5,852,269 km (0.078 R)
• M9: 6,428,221 km (0.109 R)
• M10: 6,876,715 km (0.078 R)
• M11: 7,311,895 km (0.108 R)
• M12: 7,801,080 km (0.095 R)
• M13: 9,855,059 km (0.106 R)
• M14: 11,075,329 km (0.099 R)
• M15: 12,541,238 km (0.093 R)
• M16: 13,193,186 km (0.1 R)
• M17: 15,568,950 km (0.051 R)
• M18: 17,344,228 km (0.113 R)
• M19: 17,964,909 km (0.113 R)
• M20: 19,185,179 km (0.103 R)
• M21: 19,849,244 km (0.097 R)
• M22: 27,192,854 km (0.035 R)
• M23: 28,115,873 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 13.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.42 AU - 6.62 AU

Year: 6272 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,219,358 km

• M1: 167,849 km (0.103 R)
• M2: 609,462 km (0.105 R)
• M3: 1,513,182 km (0.106 R)
• M4: 2,312,035 km (0.11 R)
• M5: 2,864,350 km (0.118 R)
• M6: 5,184,314 km (0.105 R)
• M7: 6,395,758 km (0.105 R)
• M8: 7,243,978 km (0.12 R)
• M9: 8,013,210 km (0.113 R)
• M10: 13,933,097 km (0.059 R)
• M11: 15,773,749 km (0.083 R)
• M12: 16,752,718 km (0.086 R)
• M13: 19,377,263 km (0.041 R)
• M14: 20,859,628 km (0.11 R)
• M15: 21,296,753 km (0.118 R)
• M16: 22,798,267 km (0.052 R)
• M17: 25,099,381 km (0.034 R)
• M18: 25,677,278 km (0.071 R)
• M19: 28,611,341 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 14.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 8.55 AU - 13.61 AU

Year: 13894 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,219,358 km

• M1: 176,825 km (0.03 R)
• M2: 691,441 km (0.116 R)
• M3: 1,344,586 km (0.072 R)
• M4: 2,729,712 km (0.067 R)
• M5: 3,311,498 km (0.069 R)
• M6: 4,987,294 km (0.091 R)
• M7: 7,089,293 km (0.039 R)
• M8: 9,520,857 km (0.103 R)
• M9: 10,479,480 km (0.051 R)
• M10: 11,442,891 km (0.052 R)
• M11: 12,651,193 km (0.09 R)
• M12: 13,093,703 km (0.071 R)
• M13: 14,076,860 km (0.099 R)
• M14: 15,607,097 km (0.07 R)
• M15: 18,027,441 km (0.097 R)
• M16: 18,832,577 km (0.092 R)
• M17: 22,387,022 km (0.083 R)
• M18: 23,601,757 km (0.1 R)
• M19: 27,404,236 km (0.101 R)
• M20: 28,794,000 km (0.104 R)
• M21: 37,612,645 km (0.114 R)
• M22: 38,397,884 km (0.095 R)
• M23: 45,226,578 km (0.064 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 14,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit