🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 11.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.64 AU - 0.78 AU

Year: 392 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,350,085 km

• M1: 147,952 km (0.119 R)
• M2: 664,364 km (0.038 R)
• M3: 1,074,113 km (0.109 R)
• M4: 1,559,558 km (0.069 R)
• M5: 2,011,792 km (0.09 R)
• M6: 2,532,243 km (0.094 R)
• M7: 2,985,973 km (0.114 R)
• M8: 3,373,432 km (0.092 R)
• M9: 3,768,969 km (0.117 R)
• M10: 4,522,194 km (0.099 R)
• M11: 5,707,907 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 9.4

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.77 AU - 0.81 AU

Year: 461 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,350,085 km

• M1: 117,584 km (0.119 R)
• M2: 459,565 km (0.111 R)
• M3: 760,556 km (0.078 R)
• M4: 1,200,224 km (0.101 R)
• M5: 1,547,291 km (0.106 R)
• M6: 2,100,653 km (0.034 R)
• M7: 2,695,305 km (0.107 R)
• M8: 3,202,890 km (0.088 R)
• M9: 3,746,230 km (0.101 R)
• M10: 4,103,918 km (0.116 R)
• M11: 5,132,105 km (0.095 R)
• M12: 5,452,842 km (0.098 R)
• M13: 5,751,290 km (0.12 R)
• M14: 6,323,502 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 10.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.22 AU - 1.88 AU

Year: 1266 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,350,085 km

• M1: 133,142 km (0.112 R)
• M2: 578,944 km (0.078 R)
• M3: 1,157,888 km (0.058 R)
• M4: 1,584,092 km (0.12 R)
• M5: 2,276,580 km (0.068 R)
• M6: 2,814,385 km (0.111 R)
• M7: 3,266,021 km (0.086 R)
• M8: 3,623,410 km (0.108 R)
• M9: 5,407,813 km (0.096 R)
• M10: 5,804,098 km (0.089 R)
• M11: 6,425,528 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 13.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.51 AU - 2.29 AU

Year: 1718 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,350,085 km

• M1: 169,046 km (0.056 R)
• M2: 913,744 km (0.083 R)
• M3: 1,566,888 km (0.086 R)
• M4: 2,196,097 km (0.056 R)
• M5: 3,433,870 km (0.088 R)
• M6: 4,015,207 km (0.113 R)
• M7: 4,489,731 km (0.081 R)
• M8: 4,946,902 km (0.046 R)
• M9: 6,122,442 km (0.113 R)
• M10: 6,553,284 km (0.082 R)
• M11: 7,237,844 km (0.038 R)
• M12: 7,919,412 km (0.112 R)
• M13: 8,484,593 km (0.119 R)
• M14: 9,667,314 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 8.7

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.62 AU - 4.32 AU

Year: 4240 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,350,085 km

• M1: 111,899 km (0.114 R)
• M2: 395,387 km (0.039 R)
• M3: 1,118,693 km (0.108 R)
• M4: 1,953,299 km (0.118 R)
• M5: 3,038,183 km (0.115 R)
• M6: 3,777,795 km (0.075 R)
• M7: 4,506,636 km (0.107 R)
• M8: 5,552,923 km (0.114 R)
• M9: 7,431,873 km (0.107 R)
• M10: 8,267,826 km (0.107 R)
• M11: 8,845,872 km (0.114 R)
• M12: 10,608,135 km (0.119 R)
• M13: 11,905,747 km (0.077 R)
• M14: 12,642,965 km (0.103 R)
• M15: 12,946,200 km (0.112 R)
• M16: 13,938,632 km (0.097 R)
• M17: 17,343,928 km (0.057 R)
• M18: 18,226,556 km (0.088 R)
• M19: 18,548,939 km (0.077 R)
• M20: 19,606,147 km (0.067 R)
• M21: 23,395,761 km (0.104 R)
• M22: 24,786,422 km (0.097 R)
• M23: 27,477,838 km (0.067 R)
• M24: 28,330,396 km (0.117 R)
• M25: 29,731,081 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 8.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.11 AU - 6.05 AU

Year: 8647 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,350,085 km

• M1: 308,172 km (0.079 R)
• M2: 2,830,392 km (0.059 R)
• M3: 3,672,029 km (0.084 R)
• M4: 8,404,558 km (0.078 R)
• M5: 12,332,100 km (0.073 R)
• M6: 13,571,818 km (0.081 R)
• M7: 17,788,084 km (0.05 R)
• M8: 18,479,077 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.9

Radius: 5.6

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.47 AU - 8.37 AU

Year: 13259 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,350,085 km

• M1: 69,862 km (0.108 R)
• M2: 351,256 km (0.1 R)
• M3: 779,704 km (0.077 R)
• M4: 958,025 km (0.091 R)
• M5: 3,022,625 km (0.103 R)
• M6: 3,520,337 km (0.113 R)
• M7: 4,098,832 km (0.095 R)
• M8: 4,986,845 km (0.093 R)
• M9: 7,842,220 km (0.082 R)
• M10: 8,323,326 km (0.09 R)
• M11: 8,823,881 km (0.113 R)
• M12: 9,785,047 km (0.095 R)
• M13: 14,140,290 km (0.098 R)
• M14: 14,721,029 km (0.087 R)
• M15: 16,700,957 km (0.086 R)
• M16: 17,059,393 km (0.092 R)
• M17: 17,865,875 km (0.103 R)
• M18: 18,697,639 km (0.101 R)
• M19: 26,495,578 km (0.106 R)
• M20: 28,380,212 km (0.088 R)
• M21: 39,407,669 km (0.111 R)
• M22: 44,543,963 km (0.113 R)
• M23: 45,789,515 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 16,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit