🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 14.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.04 AU

Year: 569 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,065,905 km

• M1: 182,809 km (0.077 R)
• M2: 676,482 km (0.087 R)
• M3: 1,348,625 km (0.068 R)
• M4: 2,087,937 km (0.067 R)
• M5: 2,708,769 km (0.071 R)
• M6: 3,843,768 km (0.086 R)
• M7: 4,560,192 km (0.117 R)
• M8: 5,525,397 km (0.116 R)
• M9: 6,400,545 km (0.108 R)
• M10: 7,105,300 km (0.112 R)
• M11: 7,566,212 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 12.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,065,905 km

• M1: 159,172 km (0.092 R)
• M2: 631,153 km (0.11 R)
• M3: 1,179,729 km (0.072 R)
• M4: 1,661,883 km (0.086 R)
• M5: 2,462,680 km (0.101 R)
• M6: 2,868,390 km (0.11 R)
• M7: 3,548,162 km (0.119 R)
• M8: 4,009,073 km (0.089 R)
• M9: 4,708,443 km (0.096 R)
• M10: 5,358,147 km (0.057 R)
• M11: 5,830,577 km (0.099 R)
• M12: 6,330,683 km (0.072 R)
• M13: 7,280,779 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.3

Radius: 15

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.64 AU - 3.06 AU

Year: 3263 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,065,905 km

• M1: 186,549 km (0.077 R)
• M2: 854,353 km (0.088 R)
• M3: 1,485,956 km (0.106 R)
• M4: 3,056,284 km (0.095 R)
• M5: 3,992,019 km (0.084 R)
• M6: 5,379,091 km (0.088 R)
• M7: 6,102,696 km (0.052 R)
• M8: 6,832,135 km (0.086 R)
• M9: 7,309,502 km (0.102 R)
• M10: 8,067,514 km (0.109 R)
• M11: 10,232,046 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.7

Radius: 12.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.39 AU - 3.51 AU

Year: 3437 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,065,905 km

• M1: 153,039 km (0.072 R)
• M2: 607,367 km (0.027 R)
• M3: 1,094,159 km (0.044 R)
• M4: 1,585,887 km (0.119 R)
• M5: 1,971,999 km (0.083 R)
• M6: 2,409,274 km (0.103 R)
• M7: 2,797,181 km (0.112 R)
• M8: 3,242,833 km (0.093 R)
• M9: 4,073,849 km (0.083 R)
• M10: 4,629,456 km (0.114 R)
• M11: 5,279,010 km (0.105 R)
• M12: 6,786,657 km (0.11 R)
• M13: 8,144,706 km (0.118 R)
• M14: 8,564,179 km (0.058 R)
• M15: 11,578,576 km (0.027 R)
• M16: 13,634,649 km (0.109 R)
• M17: 14,749,153 km (0.031 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 8.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.96 AU - 4.78 AU

Year: 5164 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,065,905 km

• M1: 101,278 km (0.048 R)
• M2: 679,025 km (0.068 R)
• M3: 933,341 km (0.069 R)
• M4: 1,313,320 km (0.044 R)
• M5: 1,975,290 km (0.108 R)
• M6: 2,580,114 km (0.031 R)
• M7: 2,887,987 km (0.117 R)
• M8: 3,849,303 km (0.085 R)
• M9: 4,641,723 km (0.116 R)
• M10: 4,943,312 km (0.103 R)
• M11: 5,235,177 km (0.044 R)
• M12: 6,257,679 km (0.049 R)
• M13: 7,612,288 km (0.091 R)
• M14: 10,013,184 km (0.071 R)
• M15: 11,116,319 km (0.116 R)
• M16: 12,585,968 km (0.099 R)
• M17: 12,920,020 km (0.08 R)
• M18: 13,259,906 km (0.057 R)
• M19: 14,360,947 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392

Radius: 5.6

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.07 AU - 8.57 AU

Year: 16277 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,065,905 km

• M1: 69,713 km (0.1 R)
• M2: 247,884 km (0.107 R)
• M3: 516,262 km (0.051 R)
• M4: 1,289,833 km (0.071 R)
• M5: 2,530,149 km (0.108 R)
• M6: 3,832,398 km (0.087 R)
• M7: 4,232,124 km (0.096 R)
• M8: 6,189,911 km (0.098 R)
• M9: 6,821,214 km (0.09 R)
• M10: 8,257,354 km (0.091 R)
• M11: 8,972,431 km (0.084 R)
• M12: 9,727,901 km (0.043 R)
• M13: 13,367,916 km (0.109 R)
• M14: 14,284,801 km (0.112 R)
• M15: 14,486,609 km (0.083 R)
• M16: 16,170,034 km (0.106 R)
• M17: 18,532,035 km (0.084 R)
• M18: 18,852,623 km (0.092 R)
• M19: 19,670,325 km (0.087 R)
• M20: 22,355,457 km (0.049 R)
• M21: 23,550,744 km (0.096 R)
• M22: 32,202,737 km (0.087 R)
• M23: 32,666,191 km (0.078 R)
• M24: 46,628,908 km (0.054 R)
• M25: 49,799,037 km (0.103 R)
• M26: 50,263,239 km (0.066 R)
• M27: 54,245,086 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 15,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit