🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 11.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.75 AU - 1.15 AU

Year: 628 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,262,586 km

• M1: 144,212 km (0.106 R)
• M2: 532,568 km (0.104 R)
• M3: 912,397 km (0.113 R)
• M4: 1,295,667 km (0.079 R)
• M5: 1,696,440 km (0.067 R)
• M6: 2,114,267 km (0.109 R)
• M7: 2,697,399 km (0.112 R)
• M8: 3,118,667 km (0.117 R)
• M9: 3,607,852 km (0.07 R)
• M10: 4,214,022 km (0.101 R)
• M11: 5,066,281 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.42 AU

Year: 971 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,262,586 km

• M1: 179,667 km (0.033 R)
• M2: 667,805 km (0.119 R)
• M3: 1,143,377 km (0.03 R)
• M4: 1,692,550 km (0.115 R)
• M5: 3,829,556 km (0.096 R)
• M6: 4,482,251 km (0.118 R)
• M7: 4,938,974 km (0.082 R)
• M8: 5,756,227 km (0.09 R)
• M9: 6,478,037 km (0.067 R)
• M10: 7,559,031 km (0.093 R)
• M11: 8,562,982 km (0.099 R)
• M12: 10,171,159 km (0.071 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.4

Radius: 6.1

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.37 AU - 8.29 AU

Year: 13460 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,262,586 km

• M1: 75,996 km (0.085 R)
• M2: 379,530 km (0.051 R)
• M3: 962,513 km (0.096 R)
• M4: 2,564,855 km (0.065 R)
• M5: 4,820,193 km (0.04 R)
• M6: 5,916,147 km (0.112 R)
• M7: 7,665,844 km (0.12 R)
• M8: 7,965,937 km (0.091 R)
• M9: 17,892,055 km (0.12 R)
• M10: 19,508,310 km (0.057 R)
• M11: 19,746,919 km (0.039 R)
• M12: 27,744,421 km (0.104 R)
• M13: 28,758,994 km (0.088 R)
• M14: 33,975,621 km (0.066 R)
• M15: 34,669,007 km (0.105 R)
• M16: 36,323,560 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848

Radius: 3

Gravity: 94.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.57 AU - 11.93 AU

Year: 22258 Days

Day: 21.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,262,586 km

• M1: 39,943 km (0.04 R)
• M2: 216,917 km (0.06 R)
• M3: 1,358,947 km (0.113 R)
• M4: 2,046,200 km (0.116 R)
• M5: 2,675,408 km (0.063 R)
• M6: 3,103,857 km (0.086 R)
• M7: 3,246,723 km (0.049 R)
• M8: 3,364,007 km (0.091 R)
• M9: 3,484,284 km (0.117 R)
• M10: 3,829,855 km (0.099 R)
• M11: 5,120,436 km (0.091 R)
• M12: 7,010,156 km (0.078 R)
• M13: 9,026,885 km (0.086 R)
• M14: 9,736,278 km (0.118 R)
• M15: 17,060,440 km (0.077 R)
• M16: 20,837,787 km (0.08 R)
• M17: 21,966,503 km (0.092 R)
• M18: 23,461,284 km (0.097 R)
• M19: 29,478,560 km (0.083 R)
• M20: 32,635,075 km (0.088 R)
• M21: 32,907,941 km (0.074 R)
• M22: 35,864,594 km (0.026 R)
• M23: 36,300,821 km (0.116 R)
• M24: 39,300,557 km (0.049 R)
• M25: 40,075,474 km (0.104 R)
• M26: 45,616,879 km (0.119 R)
• M27: 52,389,922 km (0.072 R)
• M28: 53,896,373 km (0.089 R)
• M29: 69,223,273 km (0.091 R)
• M30: 80,575,208 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.9

Radius: 6.5

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.02 AU - 12.18 AU

Year: 23407 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,262,586 km

• M1: 80,783 km (0.06 R)
• M2: 359,035 km (0.091 R)
• M3: 633,397 km (0.052 R)
• M4: 2,082,851 km (0.068 R)
• M5: 2,306,799 km (0.088 R)
• M6: 4,144,908 km (0.081 R)
• M7: 4,392,193 km (0.083 R)
• M8: 4,724,600 km (0.063 R)
• M9: 5,315,960 km (0.082 R)
• M10: 7,437,857 km (0.082 R)
• M11: 8,072,600 km (0.099 R)
• M12: 8,916,183 km (0.054 R)
• M13: 9,389,510 km (0.053 R)
• M14: 9,693,643 km (0.103 R)
• M15: 10,450,458 km (0.082 R)
• M16: 11,382,603 km (0.082 R)
• M17: 11,589,347 km (0.038 R)
• M18: 12,660,917 km (0.043 R)
• M19: 13,719,172 km (0.066 R)
• M20: 16,532,809 km (0.067 R)
• M21: 17,795,564 km (0.104 R)
• M22: 25,670,845 km (0.119 R)
• M23: 26,627,374 km (0.111 R)
• M24: 28,106,448 km (0.055 R)
• M25: 28,866,106 km (0.108 R)
• M26: 30,958,831 km (0.113 R)
• M27: 36,778,936 km (0.117 R)
• M28: 37,535,003 km (0.076 R)
• M29: 38,610,911 km (0.096 R)
• M30: 45,156,267 km (0.116 R)
• M31: 46,023,037 km (0.119 R)
• M32: 47,789,937 km (0.073 R)
• M33: 49,601,418 km (0.059 R)
• M34: 52,785,309 km (0.096 R)
• M35: 54,134,981 km (0.102 R)
• M36: 55,903,827 km (0.096 R)
• M37: 61,019,027 km (0.096 R)
• M38: 67,784,142 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 14,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit