🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.76 AU - 1.86 AU

Year: 1712 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,668,773 km

• M1: 155,432 km (0.114 R)
• M2: 931,546 km (0.097 R)
• M3: 1,729,052 km (0.106 R)
• M4: 2,278,226 km (0.118 R)
• M5: 3,403,651 km (0.083 R)
• M6: 4,204,299 km (0.095 R)
• M7: 6,387,829 km (0.104 R)
• M8: 7,738,698 km (0.064 R)
• M9: 8,944,307 km (0.109 R)
• M10: 10,830,886 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 8.9

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.9 AU - 4.58 AU

Year: 6137 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,668,773 km

• M1: 112,049 km (0.102 R)
• M2: 616,942 km (0.074 R)
• M3: 1,089,521 km (0.051 R)
• M4: 1,790,836 km (0.08 R)
• M5: 2,119,951 km (0.118 R)
• M6: 2,401,794 km (0.119 R)
• M7: 3,124,800 km (0.09 R)
• M8: 5,025,292 km (0.111 R)
• M9: 5,686,514 km (0.118 R)
• M10: 6,236,137 km (0.066 R)
• M11: 7,901,909 km (0.109 R)
• M12: 10,213,196 km (0.089 R)
• M13: 11,025,363 km (0.109 R)
• M14: 14,531,638 km (0.112 R)
• M15: 16,892,741 km (0.071 R)
• M16: 17,621,432 km (0.101 R)
• M17: 20,006,172 km (0.079 R)
• M18: 21,505,143 km (0.068 R)
• M19: 22,125,226 km (0.055 R)
• M20: 28,997,453 km (0.096 R)
• M21: 32,608,446 km (0.074 R)
• M22: 35,211,300 km (0.109 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.2

Radius: 7.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.88 AU - 6.56 AU

Year: 9616 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,668,773 km

• M1: 88,263 km (0.112 R)
• M2: 642,523 km (0.082 R)
• M3: 1,485,357 km (0.092 R)
• M4: 1,785,750 km (0.032 R)
• M5: 3,021,428 km (0.114 R)
• M6: 3,600,671 km (0.075 R)
• M7: 4,172,434 km (0.054 R)
• M8: 4,717,569 km (0.103 R)
• M9: 8,554,605 km (0.068 R)
• M10: 9,074,607 km (0.071 R)
• M11: 10,225,314 km (0.096 R)
• M12: 10,711,806 km (0.118 R)
• M13: 11,264,720 km (0.068 R)
• M14: 11,783,675 km (0.07 R)
• M15: 12,318,337 km (0.055 R)
• M16: 13,378,837 km (0.109 R)
• M17: 19,166,479 km (0.096 R)
• M18: 19,756,493 km (0.101 R)
• M19: 20,282,629 km (0.086 R)
• M20: 22,238,172 km (0.057 R)
• M21: 25,800,696 km (0.059 R)
• M22: 26,338,800 km (0.072 R)
• M23: 28,853,540 km (0.112 R)
• M24: 31,219,430 km (0.119 R)
• M25: 32,657,514 km (0.074 R)
• M26: 33,181,705 km (0.118 R)
• M27: 36,782,975 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.9

Radius: 5.1

Gravity: 32.83 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.31 AU - 9.19 AU

Year: 15166 Days

Day: 24.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,668,773 km

• M1: 63,579 km (0.08 R)
• M2: 234,569 km (0.096 R)
• M3: 487,240 km (0.102 R)
• M4: 720,912 km (0.117 R)
• M5: 902,075 km (0.053 R)
• M6: 1,301,053 km (0.083 R)
• M7: 1,605,335 km (0.111 R)
• M8: 3,030,554 km (0.105 R)
• M9: 3,537,391 km (0.11 R)
• M10: 3,767,024 km (0.119 R)
• M11: 4,256,209 km (0.078 R)
• M12: 4,890,803 km (0.102 R)
• M13: 5,139,734 km (0.112 R)
• M14: 6,947,774 km (0.074 R)
• M15: 7,308,454 km (0.095 R)
• M16: 7,493,507 km (0.066 R)
• M17: 10,835,523 km (0.12 R)
• M18: 12,268,671 km (0.074 R)
• M19: 12,464,495 km (0.103 R)
• M20: 14,466,264 km (0.107 R)
• M21: 19,180,990 km (0.079 R)
• M22: 19,622,154 km (0.118 R)
• M23: 19,979,843 km (0.075 R)
• M24: 20,616,382 km (0.074 R)
• M25: 24,309,804 km (0.111 R)
• M26: 24,722,544 km (0.095 R)
• M27: 25,561,938 km (0.1 R)
• M28: 27,297,423 km (0.109 R)
• M29: 32,100,113 km (0.109 R)
• M30: 32,347,697 km (0.072 R)
• M31: 33,860,880 km (0.112 R)
• M32: 42,138,728 km (0.071 R)
• M33: 50,992,529 km (0.114 R)
• M34: 56,930,517 km (0.114 R)
• M35: 64,093,861 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.1

Radius: 7.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.78 AU - 9.38 AU

Year: 16145 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,668,773 km

• M1: 98,286 km (0.101 R)
• M2: 349,760 km (0.078 R)
• M3: 884,871 km (0.102 R)
• M4: 1,199,177 km (0.108 R)
• M5: 1,674,898 km (0.1 R)
• M6: 2,680,195 km (0.094 R)
• M7: 3,348,748 km (0.108 R)
• M8: 11,506,769 km (0.1 R)
• M9: 13,622,532 km (0.08 R)
• M10: 14,903,538 km (0.041 R)
• M11: 19,700,544 km (0.076 R)
• M12: 20,507,026 km (0.093 R)
• M13: 23,593,529 km (0.106 R)
• M14: 24,411,081 km (0.108 R)
• M15: 26,102,285 km (0.076 R)
• M16: 27,470,657 km (0.109 R)
• M17: 29,092,298 km (0.112 R)
• M18: 31,533,735 km (0.091 R)
• M19: 32,082,011 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 16,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit