🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 14.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.81 AU - 0.93 AU

Year: 550 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,201,948 km

• M1: 184,005 km (0.097 R)
• M2: 711,936 km (0.106 R)
• M3: 1,243,458 km (0.096 R)
• M4: 1,732,792 km (0.092 R)
• M5: 2,267,305 km (0.082 R)
• M6: 2,969,368 km (0.034 R)
• M7: 4,346,117 km (0.114 R)
• M8: 4,830,066 km (0.047 R)
• M9: 5,852,119 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 12.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.92 AU - 1.22 AU

Year: 751 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,201,948 km

• M1: 155,432 km (0.097 R)
• M2: 592,408 km (0.066 R)
• M3: 1,176,288 km (0.077 R)
• M4: 1,684,173 km (0.049 R)
• M5: 2,274,336 km (0.071 R)
• M6: 2,718,193 km (0.119 R)
• M7: 3,273,800 km (0.118 R)
• M8: 3,798,888 km (0.118 R)
• M9: 4,330,410 km (0.07 R)
• M10: 5,447,606 km (0.118 R)
• M11: 5,900,439 km (0.066 R)
• M12: 7,017,786 km (0.08 R)
• M13: 7,435,912 km (0.085 R)
• M14: 8,271,416 km (0.106 R)
• M15: 8,978,715 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 13.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.46 AU - 2.62 AU

Year: 2746 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,201,948 km

• M1: 195,973 km (0.098 R)
• M2: 1,383,032 km (0.09 R)
• M3: 2,252,495 km (0.076 R)
• M4: 2,800,622 km (0.098 R)
• M5: 4,493,022 km (0.107 R)
• M6: 5,518,217 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 9.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.31 AU - 3.79 AU

Year: 3613 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,201,948 km

• M1: 115,639 km (0.113 R)
• M2: 435,928 km (0.113 R)
• M3: 981,512 km (0.119 R)
• M4: 1,304,344 km (0.099 R)
• M5: 1,641,837 km (0.104 R)
• M6: 2,840,265 km (0.077 R)
• M7: 3,558,185 km (0.093 R)
• M8: 4,118,579 km (0.079 R)
• M9: 4,581,435 km (0.052 R)
• M10: 5,437,135 km (0.082 R)
• M11: 7,760,988 km (0.106 R)
• M12: 8,410,243 km (0.106 R)
• M13: 10,849,885 km (0.051 R)
• M14: 11,661,603 km (0.048 R)
• M15: 11,990,120 km (0.098 R)
• M16: 12,362,319 km (0.112 R)
• M17: 12,819,191 km (0.118 R)

Asteroid Belt

Center: 3.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 9.2

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.65 AU - 5.85 AU

Year: 7022 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,201,948 km

• M1: 114,442 km (0.116 R)
• M2: 450,290 km (0.045 R)
• M3: 1,083,687 km (0.1 R)
• M4: 1,673,851 km (0.089 R)
• M5: 1,986,510 km (0.105 R)
• M6: 2,433,060 km (0.107 R)
• M7: 2,927,182 km (0.082 R)
• M8: 5,460,472 km (0.055 R)
• M9: 8,949,393 km (0.054 R)
• M10: 10,042,505 km (0.06 R)
• M11: 10,555,925 km (0.104 R)
• M12: 11,588,898 km (0.106 R)
• M13: 13,136,189 km (0.066 R)
• M14: 16,459,356 km (0.115 R)
• M15: 19,570,992 km (0.079 R)
• M16: 21,334,601 km (0.102 R)
• M17: 26,363,334 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.9

Radius: 3.8

Gravity: 34.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.48 AU - 7.1 AU

Year: 9450 Days

Day: 23.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,201,948 km

• M1: 47,273 km (0.1 R)
• M2: 189,840 km (0.101 R)
• M3: 331,210 km (0.117 R)
• M4: 470,336 km (0.097 R)
• M5: 663,616 km (0.091 R)
• M6: 965,804 km (0.057 R)
• M7: 1,603,689 km (0.116 R)
• M8: 1,899,295 km (0.112 R)
• M9: 2,428,123 km (0.04 R)
• M10: 2,598,665 km (0.073 R)
• M11: 3,070,795 km (0.09 R)
• M12: 5,636,249 km (0.113 R)
• M13: 7,010,306 km (0.072 R)
• M14: 7,633,381 km (0.109 R)
• M15: 7,958,457 km (0.096 R)
• M16: 8,506,434 km (0.048 R)
• M17: 8,989,186 km (0.066 R)
• M18: 9,629,914 km (0.03 R)
• M19: 9,770,985 km (0.061 R)
• M20: 11,104,201 km (0.108 R)
• M21: 11,894,975 km (0.061 R)
• M22: 12,112,042 km (0.111 R)
• M23: 14,185,917 km (0.116 R)
• M24: 15,179,247 km (0.119 R)
• M25: 16,351,047 km (0.084 R)
• M26: 18,219,973 km (0.102 R)
• M27: 19,317,274 km (0.045 R)
• M28: 20,072,893 km (0.11 R)
• M29: 20,691,480 km (0.118 R)
• M30: 25,740,857 km (0.078 R)
• M31: 32,599,770 km (0.104 R)
• M32: 33,238,702 km (0.044 R)
• M33: 35,428,815 km (0.049 R)
• M34: 35,653,062 km (0.049 R)
• M35: 37,830,010 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 4.2

Gravity: 29.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.06 AU - 11.12 AU

Year: 21738 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,201,948 km

• M1: 166,353 km (0.098 R)
• M2: 340,784 km (0.073 R)
• M3: 1,063,491 km (0.12 R)
• M4: 1,222,813 km (0.119 R)
• M5: 1,573,470 km (0.117 R)
• M6: 1,911,113 km (0.107 R)
• M7: 2,148,225 km (0.119 R)
• M8: 2,705,029 km (0.063 R)
• M9: 3,787,668 km (0.059 R)
• M10: 4,458,465 km (0.09 R)
• M11: 5,588,677 km (0.117 R)
• M12: 5,908,817 km (0.099 R)
• M13: 8,870,705 km (0.107 R)
• M14: 9,585,334 km (0.113 R)
• M15: 9,870,168 km (0.09 R)
• M16: 12,898,478 km (0.106 R)
• M17: 16,331,300 km (0.076 R)
• M18: 16,902,016 km (0.119 R)
• M19: 33,839,338 km (0.101 R)
• M20: 34,632,206 km (0.039 R)
• M21: 43,253,681 km (0.106 R)
• M22: 44,344,100 km (0.103 R)
• M23: 48,221,527 km (0.119 R)
• M24: 50,928,351 km (0.108 R)
• M25: 54,272,163 km (0.101 R)
• M26: 63,365,020 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 17,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit