🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 9.5

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.26 AU - 1.34 AU

Year: 1023 Days

Day: 14.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,183,883 km

• M1: 118,631 km (0.089 R)
• M2: 532,868 km (0.062 R)
• M3: 1,068,727 km (0.095 R)
• M4: 1,488,948 km (0.095 R)
• M5: 2,337,616 km (0.068 R)
• M6: 3,305,066 km (0.113 R)
• M7: 4,735,371 km (0.06 R)
• M8: 5,965,215 km (0.102 R)
• M9: 6,840,961 km (0.092 R)
• M10: 7,520,883 km (0.031 R)
• M11: 9,128,911 km (0.079 R)
• M12: 9,446,956 km (0.102 R)
• M13: 9,892,458 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 8.3

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.09 AU - 1.77 AU

Year: 1180 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,183,883 km

• M1: 103,372 km (0.062 R)
• M2: 551,867 km (0.12 R)
• M3: 846,275 km (0.082 R)
• M4: 1,421,629 km (0.057 R)
• M5: 2,341,057 km (0.116 R)
• M6: 2,636,363 km (0.089 R)
• M7: 3,595,734 km (0.067 R)
• M8: 5,228,146 km (0.086 R)
• M9: 5,499,218 km (0.098 R)
• M10: 5,957,137 km (0.085 R)
• M11: 8,783,190 km (0.055 R)
• M12: 9,287,784 km (0.109 R)
• M13: 9,655,495 km (0.096 R)
• M14: 10,355,015 km (0.039 R)
• M15: 10,850,932 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 9.2

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.2 AU - 1.86 AU

Year: 1306 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,183,883 km

• M1: 114,442 km (0.055 R)
• M2: 409,300 km (0.113 R)
• M3: 711,787 km (0.079 R)
• M4: 1,201,570 km (0.094 R)
• M5: 1,702,274 km (0.081 R)
• M6: 2,102,000 km (0.082 R)
• M7: 3,826,564 km (0.081 R)
• M8: 5,204,061 km (0.109 R)
• M9: 5,528,389 km (0.041 R)
• M10: 6,051,982 km (0.092 R)
• M11: 6,886,140 km (0.102 R)
• M12: 7,879,021 km (0.111 R)
• M13: 8,542,487 km (0.11 R)
• M14: 9,591,019 km (0.114 R)
• M15: 10,080,054 km (0.08 R)
• M16: 10,723,175 km (0.067 R)
• M17: 11,107,791 km (0.083 R)
• M18: 11,941,949 km (0.097 R)
• M19: 12,934,531 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 10.3

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.73 AU - 2.87 AU

Year: 2408 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,183,883 km

• M1: 138,378 km (0.11 R)
• M2: 632,649 km (0.092 R)
• M3: 1,971,102 km (0.115 R)
• M4: 2,506,662 km (0.108 R)
• M5: 6,004,859 km (0.066 R)
• M6: 7,279,881 km (0.093 R)
• M7: 10,546,650 km (0.097 R)
• M8: 11,687,184 km (0.11 R)
• M9: 13,215,326 km (0.104 R)
• M10: 17,185,953 km (0.12 R)
• M11: 17,772,825 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 14.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.38 AU - 3.52 AU

Year: 3497 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,183,883 km

• M1: 186,100 km (0.071 R)
• M2: 1,451,698 km (0.117 R)
• M3: 2,135,510 km (0.07 R)
• M4: 2,647,882 km (0.092 R)
• M5: 3,719,153 km (0.045 R)
• M6: 5,391,657 km (0.025 R)
• M7: 5,885,629 km (0.114 R)
• M8: 6,573,181 km (0.05 R)
• M9: 7,196,406 km (0.074 R)
• M10: 9,306,633 km (0.053 R)
• M11: 11,239,288 km (0.119 R)
• M12: 11,925,793 km (0.025 R)
• M13: 13,205,453 km (0.111 R)
• M14: 15,148,580 km (0.079 R)
• M15: 16,908,299 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.8

Radius: 4.8

Gravity: 40.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.03 AU - 8.97 AU

Year: 15619 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 49,183,883 km

• M1: 59,690 km (0.094 R)
• M2: 209,138 km (0.029 R)
• M3: 385,813 km (0.042 R)
• M4: 588,219 km (0.085 R)
• M5: 808,427 km (0.103 R)
• M6: 961,316 km (0.067 R)
• M7: 1,255,575 km (0.119 R)
• M8: 1,591,123 km (0.101 R)
• M9: 2,023,012 km (0.103 R)
• M10: 3,142,154 km (0.1 R)
• M11: 3,729,176 km (0.08 R)
• M12: 4,223,297 km (0.1 R)
• M13: 6,598,612 km (0.077 R)
• M14: 7,555,291 km (0.032 R)
• M15: 8,969,888 km (0.08 R)
• M16: 9,683,021 km (0.101 R)
• M17: 10,671,863 km (0.038 R)
• M18: 10,975,098 km (0.119 R)
• M19: 11,662,201 km (0.042 R)
• M20: 12,510,870 km (0.103 R)
• M21: 14,257,275 km (0.049 R)
• M22: 15,766,419 km (0.116 R)
• M23: 17,048,024 km (0.082 R)
• M24: 17,213,030 km (0.12 R)
• M25: 18,484,163 km (0.056 R)
• M26: 19,545,111 km (0.098 R)
• M27: 24,092,438 km (0.11 R)
• M28: 25,036,849 km (0.074 R)
• M29: 27,448,965 km (0.089 R)
• M30: 32,729,022 km (0.101 R)
• M31: 36,282,720 km (0.06 R)
• M32: 37,105,957 km (0.079 R)
• M33: 38,082,083 km (0.116 R)
• M34: 38,505,594 km (0.117 R)
• M35: 38,789,681 km (0.095 R)
• M36: 39,505,955 km (0.114 R)
• M37: 47,485,955 km (0.056 R)
• M38: 48,305,452 km (0.034 R)
• M39: 49,804,422 km (0.082 R)
• M40: 51,678,136 km (0.045 R)
• M41: 59,643,624 km (0.094 R)
• M42: 63,124,916 km (0.088 R)
• M43: 71,341,130 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.1

Radius: 6.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.04 AU - 12.28 AU

Year: 22354 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,183,883 km

• M1: 86,318 km (0.073 R)
• M2: 302,337 km (0.083 R)
• M3: 773,122 km (0.055 R)
• M4: 1,140,684 km (0.104 R)
• M5: 1,802,505 km (0.059 R)
• M6: 3,908,244 km (0.044 R)
• M7: 5,314,614 km (0.11 R)
• M8: 6,831,237 km (0.07 R)
• M9: 7,604,209 km (0.051 R)
• M10: 8,388,850 km (0.088 R)
• M11: 14,265,503 km (0.059 R)
• M12: 16,144,901 km (0.116 R)
• M13: 19,107,388 km (0.119 R)
• M14: 24,109,642 km (0.078 R)
• M15: 27,755,491 km (0.09 R)
• M16: 29,709,240 km (0.107 R)
• M17: 30,558,507 km (0.048 R)
• M18: 33,090,600 km (0.094 R)
• M19: 35,640,197 km (0.043 R)
• M20: 36,719,994 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 14,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit