🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 12

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.72 AU - 0.74 AU

Year: 409 Days

Day: 10.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,931,397 km

• M1: 149,299 km (0.07 R)
• M2: 559,496 km (0.093 R)
• M3: 975,677 km (0.104 R)
• M4: 1,675,646 km (0.096 R)
• M5: 2,480,482 km (0.096 R)
• M6: 3,044,317 km (0.103 R)
• M7: 4,121,870 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 8.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.24 AU - 1.62 AU

Year: 1122 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,931,397 km

• M1: 108,159 km (0.108 R)
• M2: 441,015 km (0.11 R)
• M3: 714,330 km (0.082 R)
• M4: 1,100,741 km (0.119 R)
• M5: 1,372,261 km (0.106 R)
• M6: 1,680,882 km (0.104 R)
• M7: 2,262,518 km (0.108 R)
• M8: 2,697,549 km (0.047 R)
• M9: 3,034,443 km (0.083 R)
• M10: 3,536,942 km (0.086 R)
• M11: 4,093,596 km (0.098 R)
• M12: 4,913,841 km (0.041 R)
• M13: 6,138,749 km (0.099 R)
• M14: 6,406,379 km (0.047 R)
• M15: 6,855,023 km (0.093 R)
• M16: 7,626,051 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 14.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.53 AU - 2.95 AU

Year: 2975 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,931,397 km

• M1: 182,809 km (0.094 R)
• M2: 733,329 km (0.112 R)
• M3: 1,207,404 km (0.089 R)
• M4: 1,681,181 km (0.085 R)
• M5: 2,282,265 km (0.112 R)
• M6: 2,751,254 km (0.052 R)
• M7: 3,302,223 km (0.12 R)
• M8: 4,119,327 km (0.086 R)
• M9: 5,878,149 km (0.044 R)
• M10: 6,717,992 km (0.026 R)
• M11: 7,340,917 km (0.116 R)
• M12: 10,786,455 km (0.062 R)
• M13: 12,543,632 km (0.069 R)
• M14: 13,011,424 km (0.106 R)
• M15: 13,982,015 km (0.05 R)
• M16: 15,576,280 km (0.119 R)
• M17: 17,289,026 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 9.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.22 AU - 4.16 AU

Year: 4650 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,931,397 km

• M1: 119,230 km (0.12 R)
• M2: 716,424 km (0.107 R)
• M3: 1,236,726 km (0.111 R)
• M4: 1,701,526 km (0.103 R)
• M5: 2,266,557 km (0.115 R)
• M6: 4,127,704 km (0.111 R)
• M7: 4,753,024 km (0.077 R)
• M8: 5,076,903 km (0.073 R)
• M9: 5,666,618 km (0.043 R)
• M10: 6,439,440 km (0.071 R)
• M11: 6,807,900 km (0.076 R)
• M12: 7,100,813 km (0.033 R)
• M13: 8,259,149 km (0.116 R)
• M14: 10,398,398 km (0.105 R)
• M15: 10,709,113 km (0.074 R)
• M16: 12,185,195 km (0.107 R)
• M17: 13,561,047 km (0.08 R)
• M18: 15,385,393 km (0.117 R)
• M19: 16,148,791 km (0.057 R)
• M20: 17,043,985 km (0.075 R)
• M21: 17,972,090 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 6.3

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.66 AU - 11.2 AU

Year: 23705 Days

Day: 16.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,931,397 km

• M1: 82,877 km (0.099 R)
• M2: 565,181 km (0.06 R)
• M3: 1,262,905 km (0.081 R)
• M4: 2,053,680 km (0.091 R)
• M5: 2,777,883 km (0.103 R)
• M6: 5,810,531 km (0.094 R)
• M7: 10,202,724 km (0.117 R)
• M8: 11,170,922 km (0.046 R)
• M9: 15,439,847 km (0.025 R)
• M10: 16,790,117 km (0.115 R)
• M11: 20,418,763 km (0.089 R)
• M12: 21,950,496 km (0.059 R)
• M13: 26,163,620 km (0.118 R)
• M14: 34,999,319 km (0.113 R)
• M15: 36,017,483 km (0.073 R)
• M16: 37,055,393 km (0.115 R)
• M17: 37,846,765 km (0.113 R)
• M18: 48,868,239 km (0.119 R)
• M19: 52,748,060 km (0.059 R)
• M20: 58,233,814 km (0.091 R)
• M21: 60,204,017 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 13,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit