🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 11.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,726,590 km

• M1: 139,276 km (0.108 R)
• M2: 589,565 km (0.119 R)
• M3: 981,212 km (0.097 R)
• M4: 1,403,228 km (0.107 R)
• M5: 1,770,640 km (0.08 R)
• M6: 2,150,021 km (0.049 R)
• M7: 2,706,076 km (0.1 R)
• M8: 3,534,399 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 9.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.66 AU - 0.74 AU

Year: 391 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,726,590 km

• M1: 123,568 km (0.071 R)
• M2: 455,077 km (0.106 R)
• M3: 933,341 km (0.088 R)
• M4: 1,313,619 km (0.08 R)
• M5: 2,062,057 km (0.072 R)
• M6: 2,397,156 km (0.097 R)
• M7: 3,051,647 km (0.117 R)
• M8: 3,512,708 km (0.03 R)
• M9: 3,919,464 km (0.11 R)
• M10: 4,304,529 km (0.032 R)
• M11: 4,700,515 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 12.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.66 AU - 1.06 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,726,590 km

• M1: 155,881 km (0.103 R)
• M2: 713,582 km (0.05 R)
• M3: 1,250,339 km (0.081 R)
• M4: 1,646,325 km (0.117 R)
• M5: 2,294,532 km (0.108 R)
• M6: 2,918,954 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 9.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.72 AU - 1.04 AU

Year: 550 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,726,590 km

• M1: 115,639 km (0.077 R)
• M2: 420,520 km (0.104 R)
• M3: 711,188 km (0.081 R)
• M4: 1,180,178 km (0.047 R)
• M5: 1,580,801 km (0.104 R)
• M6: 1,871,918 km (0.116 R)
• M7: 2,333,128 km (0.095 R)
• M8: 2,823,959 km (0.041 R)
• M9: 3,245,227 km (0.088 R)
• M10: 3,654,676 km (0.104 R)
• M11: 4,258,902 km (0.116 R)
• M12: 4,671,343 km (0.045 R)
• M13: 4,994,026 km (0.076 R)
• M14: 5,666,169 km (0.066 R)
• M15: 6,052,431 km (0.088 R)
• M16: 6,515,436 km (0.105 R)
• M17: 6,919,051 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 9.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.1 AU - 1.1 AU

Year: 769 Days

Day: 10.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,726,590 km

• M1: 116,387 km (0.07 R)
• M2: 420,071 km (0.056 R)
• M3: 750,084 km (0.09 R)
• M4: 1,051,823 km (0.119 R)
• M5: 1,451,399 km (0.089 R)
• M6: 2,387,432 km (0.1 R)
• M7: 2,851,784 km (0.11 R)
• M8: 3,457,356 km (0.116 R)
• M9: 3,769,118 km (0.114 R)
• M10: 4,130,696 km (0.052 R)
• M11: 4,581,884 km (0.032 R)
• M12: 5,717,631 km (0.112 R)
• M13: 6,094,468 km (0.109 R)
• M14: 6,530,396 km (0.094 R)
• M15: 7,166,187 km (0.088 R)
• M16: 7,511,010 km (0.082 R)
• M17: 8,409,196 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.24 AU - 4.02 AU

Year: 4612 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,726,590 km

• M1: 169,345 km (0.092 R)
• M2: 595,699 km (0.091 R)
• M3: 1,186,760 km (0.07 R)
• M4: 1,717,533 km (0.039 R)
• M5: 2,807,503 km (0.039 R)
• M6: 3,599,026 km (0.1 R)
• M7: 5,373,107 km (0.098 R)
• M8: 5,800,358 km (0.112 R)
• M9: 8,290,265 km (0.102 R)
• M10: 8,941,465 km (0.094 R)
• M11: 9,667,762 km (0.073 R)
• M12: 10,302,955 km (0.102 R)
• M13: 12,872,897 km (0.109 R)
• M14: 13,642,279 km (0.059 R)
• M15: 15,272,895 km (0.072 R)
• M16: 16,489,425 km (0.035 R)
• M17: 18,465,912 km (0.081 R)
• M18: 21,082,828 km (0.1 R)
• M19: 22,884,884 km (0.053 R)
• M20: 28,133,376 km (0.085 R)
• M21: 29,341,678 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 13.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.03 AU - 5.09 AU

Year: 6493 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,726,590 km

• M1: 326,572 km (0.109 R)
• M2: 1,266,795 km (0.089 R)
• M3: 1,826,141 km (0.095 R)
• M4: 2,278,226 km (0.111 R)
• M5: 3,215,008 km (0.091 R)
• M6: 4,924,463 km (0.07 R)
• M7: 7,210,617 km (0.107 R)
• M8: 9,337,899 km (0.056 R)
• M9: 15,933,669 km (0.083 R)
• M10: 18,771,840 km (0.074 R)
• M11: 21,429,446 km (0.107 R)
• M12: 22,004,052 km (0.088 R)
• M13: 25,271,120 km (0.109 R)
• M14: 28,848,603 km (0.092 R)
• M15: 29,726,593 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 16,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit