🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.1

Radius: 12.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,061,113 km

• M1: 170,392 km (0.097 R)
• M2: 762,052 km (0.111 R)
• M3: 1,201,720 km (0.046 R)
• M4: 1,602,642 km (0.105 R)
• M5: 2,184,877 km (0.116 R)
• M6: 3,099,967 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 9.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.36 AU - 1.6 AU

Year: 1201 Days

Day: 9.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,061,113 km

• M1: 137,181 km (0.102 R)
• M2: 890,556 km (0.096 R)
• M3: 1,539,362 km (0.092 R)
• M4: 2,158,996 km (0.07 R)
• M5: 3,330,497 km (0.045 R)
• M6: 4,367,659 km (0.112 R)
• M7: 5,089,320 km (0.116 R)
• M8: 6,141,890 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.4

Radius: 11.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.35 AU - 2.13 AU

Year: 1531 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,061,113 km

• M1: 150,346 km (0.102 R)
• M2: 646,113 km (0.109 R)
• M3: 1,120,937 km (0.046 R)
• M4: 1,499,719 km (0.082 R)
• M5: 2,541,219 km (0.041 R)
• M6: 2,941,393 km (0.082 R)
• M7: 3,497,299 km (0.092 R)
• M8: 3,906,150 km (0.097 R)
• M9: 4,365,864 km (0.048 R)
• M10: 4,965,303 km (0.061 R)
• M11: 6,109,876 km (0.117 R)
• M12: 6,887,187 km (0.101 R)
• M13: 7,313,391 km (0.096 R)
• M14: 8,486,986 km (0.096 R)
• M15: 9,293,768 km (0.065 R)
• M16: 12,920,319 km (0.056 R)
• M17: 14,072,373 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.5

Radius: 12

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.01 AU - 2.47 AU

Year: 2236 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,061,113 km

• M1: 149,747 km (0.078 R)
• M2: 551,567 km (0.103 R)
• M3: 1,032,525 km (0.117 R)
• M4: 1,522,009 km (0.117 R)
• M5: 2,114,716 km (0.053 R)
• M6: 3,333,489 km (0.091 R)
• M7: 3,748,324 km (0.055 R)
• M8: 4,320,686 km (0.107 R)
• M9: 4,928,203 km (0.104 R)
• M10: 5,591,968 km (0.09 R)
• M11: 6,867,889 km (0.098 R)
• M12: 7,789,561 km (0.107 R)
• M13: 9,098,692 km (0.11 R)
• M14: 10,663,935 km (0.046 R)
• M15: 11,131,278 km (0.078 R)
• M16: 13,676,088 km (0.102 R)
• M17: 16,431,830 km (0.116 R)
• M18: 16,846,216 km (0.108 R)
• M19: 18,076,659 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.6

Radius: 8.4

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.51 AU - 4.73 AU

Year: 5577 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,061,113 km

• M1: 105,466 km (0.11 R)
• M2: 465,399 km (0.117 R)
• M3: 883,824 km (0.045 R)
• M4: 1,553,873 km (0.072 R)
• M5: 2,027,949 km (0.119 R)
• M6: 2,347,041 km (0.042 R)
• M7: 3,224,732 km (0.052 R)
• M8: 3,511,960 km (0.046 R)
• M9: 4,942,863 km (0.092 R)
• M10: 6,059,761 km (0.088 R)
• M11: 8,282,037 km (0.102 R)
• M12: 9,184,112 km (0.1 R)
• M13: 11,462,787 km (0.117 R)
• M14: 12,283,032 km (0.061 R)
• M15: 12,631,895 km (0.113 R)
• M16: 13,665,317 km (0.094 R)
• M17: 16,076,236 km (0.045 R)
• M18: 20,865,761 km (0.074 R)
• M19: 21,291,367 km (0.088 R)
• M20: 21,867,918 km (0.06 R)
• M21: 25,386,609 km (0.11 R)
• M22: 25,709,441 km (0.114 R)
• M23: 26,528,190 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.9

Radius: 7.5

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.61 AU - 9.73 AU

Year: 18518 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,061,113 km

• M1: 93,349 km (0.088 R)
• M2: 382,223 km (0.098 R)
• M3: 704,905 km (0.114 R)
• M4: 1,155,195 km (0.047 R)
• M5: 1,506,750 km (0.117 R)
• M6: 2,362,450 km (0.12 R)
• M7: 2,741,231 km (0.085 R)
• M8: 3,677,564 km (0.045 R)
• M9: 4,608,362 km (0.118 R)
• M10: 5,093,060 km (0.106 R)
• M11: 7,423,645 km (0.103 R)
• M12: 9,984,760 km (0.08 R)
• M13: 10,269,445 km (0.099 R)
• M14: 18,672,956 km (0.094 R)
• M15: 22,518,519 km (0.039 R)
• M16: 23,008,901 km (0.087 R)
• M17: 23,406,232 km (0.06 R)
• M18: 30,881,638 km (0.057 R)
• M19: 31,122,790 km (0.071 R)
• M20: 42,873,852 km (0.102 R)
• M21: 52,674,607 km (0.115 R)
• M22: 55,472,087 km (0.091 R)
• M23: 60,039,161 km (0.095 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: 361 - 18,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit