🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 11.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.1 AU - 1.78 AU

Year: 1116 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,511,628 km

• M1: 138,677 km (0.098 R)
• M2: 628,012 km (0.08 R)
• M3: 1,178,532 km (0.086 R)
• M4: 1,592,918 km (0.05 R)
• M5: 1,979,180 km (0.06 R)
• M6: 2,666,133 km (0.115 R)
• M7: 5,057,605 km (0.109 R)
• M8: 5,547,239 km (0.095 R)
• M9: 7,467,776 km (0.098 R)
• M10: 8,256,007 km (0.064 R)
• M11: 8,882,972 km (0.104 R)
• M12: 9,235,574 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 10.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.07 AU - 2.91 AU

Year: 2537 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,511,628 km

• M1: 136,284 km (0.081 R)
• M2: 953,986 km (0.109 R)
• M3: 1,325,587 km (0.06 R)
• M4: 1,681,929 km (0.119 R)
• M5: 3,126,745 km (0.054 R)
• M6: 4,010,121 km (0.093 R)
• M7: 4,747,189 km (0.051 R)
• M8: 5,295,465 km (0.108 R)
• M9: 5,938,736 km (0.113 R)
• M10: 8,659,772 km (0.086 R)
• M11: 9,406,265 km (0.117 R)
• M12: 10,041,607 km (0.115 R)
• M13: 10,507,156 km (0.068 R)
• M14: 11,232,556 km (0.116 R)
• M15: 12,163,952 km (0.091 R)
• M16: 13,562,842 km (0.111 R)
• M17: 16,304,223 km (0.102 R)
• M18: 16,893,788 km (0.075 R)
• M19: 19,875,274 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 14.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.44 AU - 5.26 AU

Year: 5858 Days

Day: 7.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,511,628 km

• M1: 175,329 km (0.092 R)
• M2: 642,074 km (0.079 R)
• M3: 1,267,393 km (0.116 R)
• M4: 2,461,184 km (0.118 R)
• M5: 3,719,153 km (0.117 R)
• M6: 4,180,812 km (0.059 R)
• M7: 5,250,586 km (0.071 R)
• M8: 6,126,033 km (0.117 R)
• M9: 7,581,171 km (0.106 R)
• M10: 8,127,652 km (0.06 R)
• M11: 8,826,424 km (0.106 R)
• M12: 10,250,745 km (0.11 R)
• M13: 11,772,006 km (0.105 R)
• M14: 12,721,803 km (0.038 R)
• M15: 14,476,736 km (0.054 R)
• M16: 14,954,701 km (0.115 R)
• M17: 15,443,287 km (0.044 R)
• M18: 16,776,504 km (0.108 R)
• M19: 18,185,416 km (0.052 R)
• M20: 18,883,440 km (0.073 R)
• M21: 19,382,499 km (0.074 R)
• M22: 20,037,288 km (0.119 R)
• M23: 24,196,857 km (0.067 R)
• M24: 30,237,170 km (0.054 R)
• M25: 30,822,846 km (0.085 R)
• M26: 32,320,022 km (0.102 R)
• M27: 37,102,366 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 14.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.08 AU - 5.72 AU

Year: 7003 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,511,628 km

• M1: 181,911 km (0.057 R)
• M2: 658,530 km (0.088 R)
• M3: 1,329,626 km (0.109 R)
• M4: 1,983,219 km (0.118 R)
• M5: 2,737,940 km (0.081 R)
• M6: 3,213,661 km (0.12 R)
• M7: 3,745,183 km (0.083 R)
• M8: 5,380,587 km (0.104 R)
• M9: 6,856,669 km (0.114 R)
• M10: 7,416,614 km (0.035 R)
• M11: 9,157,185 km (0.091 R)
• M12: 10,460,332 km (0.075 R)
• M13: 11,637,966 km (0.105 R)
• M14: 13,923,074 km (0.087 R)
• M15: 14,766,507 km (0.069 R)
• M16: 17,119,232 km (0.112 R)
• M17: 17,631,156 km (0.057 R)
• M18: 18,551,632 km (0.059 R)
• M19: 21,212,230 km (0.104 R)
• M20: 27,978,841 km (0.069 R)
• M21: 29,504,590 km (0.026 R)
• M22: 30,056,157 km (0.105 R)
• M23: 30,614,456 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.4

Radius: 6.5

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.12 AU - 9.48 AU

Year: 14066 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,511,628 km

• M1: 86,767 km (0.101 R)
• M2: 295,007 km (0.088 R)
• M3: 566,976 km (0.054 R)
• M4: 994,676 km (0.092 R)
• M5: 1,373,458 km (0.099 R)
• M6: 2,318,468 km (0.082 R)
• M7: 4,351,952 km (0.12 R)
• M8: 4,953,634 km (0.1 R)
• M9: 5,902,384 km (0.093 R)
• M10: 6,128,576 km (0.12 R)
• M11: 6,966,773 km (0.114 R)
• M12: 8,966,597 km (0.091 R)
• M13: 11,729,520 km (0.095 R)
• M14: 13,271,276 km (0.098 R)
• M15: 14,124,133 km (0.106 R)
• M16: 17,205,550 km (0.088 R)
• M17: 30,181,670 km (0.119 R)
• M18: 30,404,870 km (0.084 R)
• M19: 31,308,890 km (0.069 R)
• M20: 32,933,822 km (0.117 R)
• M21: 34,128,361 km (0.115 R)
• M22: 35,599,656 km (0.03 R)
• M23: 37,240,744 km (0.065 R)
• M24: 39,063,594 km (0.089 R)
• M25: 41,769,820 km (0.111 R)
• M26: 44,454,054 km (0.062 R)
• M27: 51,107,270 km (0.063 R)
• M28: 55,837,106 km (0.085 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 15,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit