🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 11.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,302,173 km

• M1: 138,228 km (0.09 R)
• M2: 654,640 km (0.097 R)
• M3: 1,282,054 km (0.083 R)
• M4: 2,107,535 km (0.106 R)
• M5: 2,864,949 km (0.096 R)
• M6: 3,247,171 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 9.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,302,173 km

• M1: 119,828 km (0.074 R)
• M2: 425,905 km (0.086 R)
• M3: 787,782 km (0.055 R)
• M4: 1,101,489 km (0.106 R)
• M5: 1,478,326 km (0.116 R)
• M6: 1,789,490 km (0.106 R)
• M7: 2,108,732 km (0.118 R)
• M8: 2,563,808 km (0.025 R)
• M9: 2,981,486 km (0.114 R)
• M10: 3,383,904 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 8.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,302,173 km

• M1: 110,702 km (0.118 R)
• M2: 516,711 km (0.105 R)
• M3: 1,197,830 km (0.075 R)
• M4: 1,540,260 km (0.072 R)
• M5: 1,893,311 km (0.055 R)
• M6: 2,291,091 km (0.119 R)
• M7: 3,233,558 km (0.05 R)
• M8: 3,983,941 km (0.108 R)
• M9: 4,428,396 km (0.097 R)
• M10: 4,845,924 km (0.049 R)
• M11: 5,289,631 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 8.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.81 AU - 1.09 AU

Year: 617 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,302,173 km

• M1: 105,766 km (0.079 R)
• M2: 373,396 km (0.071 R)
• M3: 1,001,857 km (0.027 R)
• M4: 1,458,430 km (0.047 R)
• M5: 2,056,971 km (0.042 R)
• M6: 2,654,913 km (0.104 R)
• M7: 3,389,439 km (0.112 R)
• M8: 3,776,598 km (0.073 R)
• M9: 4,497,810 km (0.113 R)
• M10: 4,850,262 km (0.07 R)
• M11: 5,431,001 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.4

Radius: 13.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.95 AU - 1.53 AU

Year: 921 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,302,173 km

• M1: 162,912 km (0.082 R)
• M2: 694,134 km (0.082 R)
• M3: 1,280,707 km (0.076 R)
• M4: 1,690,905 km (0.1 R)
• M5: 3,036,837 km (0.111 R)
• M6: 3,899,268 km (0.069 R)
• M7: 4,539,248 km (0.059 R)
• M8: 5,933,650 km (0.04 R)
• M9: 7,505,624 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 11

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.09 AU - 1.49 AU

Year: 977 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 173.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,302,173 km

• M1: 136,732 km (0.113 R)
• M2: 507,586 km (0.119 R)
• M3: 877,541 km (0.104 R)
• M4: 1,260,063 km (0.072 R)
• M5: 1,673,701 km (0.08 R)
• M6: 2,040,365 km (0.038 R)
• M7: 3,449,876 km (0.076 R)
• M8: 3,935,920 km (0.115 R)
• M9: 4,308,269 km (0.033 R)
• M10: 5,343,786 km (0.112 R)
• M11: 6,240,774 km (0.118 R)
• M12: 7,062,366 km (0.093 R)
• M13: 7,822,921 km (0.065 R)
• M14: 8,665,008 km (0.038 R)
• M15: 9,717,728 km (0.048 R)
• M16: 10,338,410 km (0.079 R)
• M17: 10,985,271 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 8.6

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.95 AU - 2.11 AU

Year: 1929 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,302,173 km

• M1: 106,962 km (0.088 R)
• M2: 518,955 km (0.071 R)
• M3: 803,490 km (0.082 R)
• M4: 1,336,208 km (0.091 R)
• M5: 2,783,119 km (0.068 R)
• M6: 3,436,562 km (0.108 R)
• M7: 3,871,892 km (0.111 R)
• M8: 4,188,441 km (0.114 R)
• M9: 4,831,862 km (0.069 R)
• M10: 5,632,659 km (0.114 R)
• M11: 6,339,808 km (0.09 R)
• M12: 6,623,147 km (0.109 R)
• M13: 7,871,242 km (0.03 R)
• M14: 8,691,636 km (0.093 R)
• M15: 9,401,329 km (0.108 R)
• M16: 9,838,603 km (0.1 R)
• M17: 10,114,312 km (0.034 R)
• M18: 10,826,248 km (0.087 R)
• M19: 12,630,698 km (0.114 R)
• M20: 13,080,389 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 9.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.24 AU - 3.16 AU

Year: 2959 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,302,173 km

• M1: 123,119 km (0.114 R)
• M2: 484,398 km (0.111 R)
• M3: 846,724 km (0.054 R)
• M4: 1,328,429 km (0.117 R)
• M5: 1,784,254 km (0.062 R)
• M6: 2,192,656 km (0.1 R)
• M7: 2,963,833 km (0.101 R)
• M8: 3,448,829 km (0.12 R)
• M9: 3,827,013 km (0.085 R)
• M10: 4,645,163 km (0.118 R)
• M11: 6,512,295 km (0.065 R)
• M12: 7,581,620 km (0.046 R)
• M13: 8,224,293 km (0.053 R)
• M14: 8,627,010 km (0.102 R)
• M15: 9,914,898 km (0.084 R)
• M16: 10,921,841 km (0.079 R)
• M17: 11,326,803 km (0.099 R)
• M18: 11,825,861 km (0.11 R)
• M19: 13,228,790 km (0.046 R)
• M20: 17,162,466 km (0.109 R)
• M21: 17,932,596 km (0.08 R)
• M22: 19,072,681 km (0.108 R)
• M23: 19,660,601 km (0.107 R)
• M24: 20,019,037 km (0.104 R)
• M25: 20,381,962 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.3

Radius: 7.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.23 AU - 8.31 AU

Year: 11747 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,302,173 km

• M1: 96,042 km (0.111 R)
• M2: 579,093 km (0.094 R)
• M3: 943,514 km (0.048 R)
• M4: 1,893,161 km (0.08 R)
• M5: 3,814,596 km (0.098 R)
• M6: 4,929,100 km (0.066 R)
• M7: 5,561,450 km (0.115 R)
• M8: 5,979,128 km (0.077 R)
• M9: 7,097,073 km (0.097 R)
• M10: 7,666,592 km (0.111 R)
• M11: 8,556,400 km (0.071 R)
• M12: 17,674,540 km (0.105 R)
• M13: 18,719,182 km (0.074 R)
• M14: 19,730,912 km (0.064 R)
• M15: 20,551,007 km (0.111 R)
• M16: 21,393,543 km (0.103 R)
• M17: 22,020,807 km (0.039 R)
• M18: 30,530,981 km (0.044 R)
• M19: 30,827,334 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 13,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit