🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.3

Radius: 11.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,777,832 km

• M1: 143,016 km (0.08 R)
• M2: 532,419 km (0.086 R)
• M3: 937,380 km (0.045 R)
• M4: 1,591,422 km (0.094 R)
• M5: 2,957,849 km (0.108 R)
• M6: 3,720,948 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 11.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.14 AU - 1.42 AU

Year: 966 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,777,832 km

• M1: 143,016 km (0.117 R)
• M2: 601,982 km (0.049 R)
• M3: 1,261,110 km (0.055 R)
• M4: 2,138,202 km (0.053 R)
• M5: 2,591,035 km (0.045 R)
• M6: 3,216,354 km (0.107 R)
• M7: 3,647,346 km (0.067 R)
• M8: 4,051,858 km (0.118 R)
• M9: 5,529,287 km (0.051 R)
• M10: 6,818,821 km (0.025 R)
• M11: 8,592,453 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 14

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.3 AU - 3.58 AU

Year: 3362 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,777,832 km

• M1: 174,282 km (0.115 R)
• M2: 990,488 km (0.103 R)
• M3: 1,586,934 km (0.099 R)
• M4: 2,187,420 km (0.096 R)
• M5: 2,852,233 km (0.088 R)
• M6: 3,730,373 km (0.106 R)
• M7: 7,370,986 km (0.107 R)
• M8: 7,942,450 km (0.051 R)
• M9: 9,404,620 km (0.067 R)
• M10: 9,916,544 km (0.101 R)
• M11: 11,789,359 km (0.095 R)
• M12: 12,338,683 km (0.083 R)
• M13: 15,185,680 km (0.092 R)
• M14: 15,672,172 km (0.077 R)
• M15: 19,438,299 km (0.032 R)
• M16: 20,927,845 km (0.082 R)
• M17: 21,871,059 km (0.12 R)
• M18: 22,842,398 km (0.109 R)
• M19: 24,648,344 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 12.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.81 AU - 3.65 AU

Year: 3871 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,777,832 km

• M1: 154,235 km (0.092 R)
• M2: 558,299 km (0.064 R)
• M3: 1,410,259 km (0.113 R)
• M4: 2,796,433 km (0.083 R)
• M5: 4,082,227 km (0.093 R)
• M6: 4,572,758 km (0.077 R)
• M7: 4,998,364 km (0.089 R)
• M8: 5,505,650 km (0.076 R)
• M9: 6,530,246 km (0.11 R)
• M10: 7,712,817 km (0.107 R)
• M11: 8,391,992 km (0.048 R)
• M12: 9,911,009 km (0.11 R)
• M13: 11,021,025 km (0.102 R)
• M14: 12,937,373 km (0.092 R)
• M15: 13,639,885 km (0.113 R)
• M16: 14,580,407 km (0.086 R)
• M17: 15,619,663 km (0.08 R)
• M18: 16,301,082 km (0.042 R)
• M19: 18,653,209 km (0.093 R)
• M20: 20,274,999 km (0.053 R)
• M21: 22,989,902 km (0.109 R)
• M22: 23,501,676 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 14.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.16 AU - 6.54 AU

Year: 8252 Days

Day: 13.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,777,832 km

• M1: 199,115 km (0.087 R)
• M2: 688,749 km (0.113 R)
• M3: 1,719,777 km (0.114 R)
• M4: 2,378,457 km (0.086 R)
• M5: 3,121,509 km (0.029 R)
• M6: 5,898,494 km (0.086 R)
• M7: 6,810,892 km (0.111 R)
• M8: 7,629,043 km (0.048 R)
• M9: 8,236,260 km (0.113 R)
• M10: 8,875,492 km (0.114 R)
• M11: 10,665,879 km (0.107 R)
• M12: 11,377,666 km (0.119 R)
• M13: 13,870,266 km (0.111 R)
• M14: 14,375,458 km (0.097 R)
• M15: 16,707,838 km (0.114 R)
• M16: 18,463,818 km (0.12 R)
• M17: 19,771,303 km (0.084 R)
• M18: 21,884,673 km (0.108 R)
• M19: 23,270,098 km (0.072 R)
• M20: 24,306,363 km (0.07 R)
• M21: 26,300,203 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.2

Radius: 4.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.29 AU - 9.97 AU

Year: 19928 Days

Day: 19.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,777,832 km

• M1: 52,359 km (0.038 R)
• M2: 340,485 km (0.095 R)
• M3: 680,970 km (0.069 R)
• M4: 1,301,053 km (0.1 R)
• M5: 2,777,733 km (0.074 R)
• M6: 3,939,211 km (0.105 R)
• M7: 4,444,553 km (0.115 R)
• M8: 8,163,855 km (0.101 R)
• M9: 8,805,031 km (0.086 R)
• M10: 10,980,334 km (0.068 R)
• M11: 11,133,522 km (0.103 R)
• M12: 14,261,913 km (0.117 R)
• M13: 14,876,162 km (0.089 R)
• M14: 15,252,999 km (0.073 R)
• M15: 22,343,190 km (0.082 R)
• M16: 25,775,713 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 12,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit