🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 10.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.91 AU

Year: 430 Days

Day: 11.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,161,782 km

• M1: 128,056 km (0.032 R)
• M2: 465,100 km (0.059 R)
• M3: 807,230 km (0.074 R)
• M4: 1,256,473 km (0.067 R)
• M5: 1,594,564 km (0.068 R)
• M6: 2,117,558 km (0.103 R)
• M7: 2,680,943 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 11.9

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.13 AU - 1.27 AU

Year: 836 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,161,782 km

• M1: 147,952 km (0.098 R)
• M2: 635,193 km (0.104 R)
• M3: 1,155,344 km (0.077 R)
• M4: 1,581,249 km (0.062 R)
• M5: 1,974,243 km (0.112 R)
• M6: 2,366,638 km (0.109 R)
• M7: 2,874,074 km (0.058 R)
• M8: 3,284,421 km (0.109 R)
• M9: 4,902,472 km (0.038 R)
• M10: 5,692,349 km (0.062 R)
• M11: 7,139,708 km (0.083 R)
• M12: 8,154,879 km (0.046 R)
• M13: 9,151,201 km (0.087 R)
• M14: 9,839,800 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 14.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.95 AU - 1.57 AU

Year: 899 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,161,782 km

• M1: 175,478 km (0.06 R)
• M2: 700,118 km (0.086 R)
• M3: 1,655,600 km (0.061 R)
• M4: 2,214,497 km (0.081 R)
• M5: 2,681,841 km (0.067 R)
• M6: 3,253,604 km (0.095 R)
• M7: 3,834,493 km (0.045 R)
• M8: 4,452,332 km (0.111 R)
• M9: 4,929,100 km (0.074 R)
• M10: 5,421,576 km (0.047 R)
• M11: 6,424,630 km (0.111 R)
• M12: 7,895,177 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 14.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.79 AU - 1.81 AU

Year: 1535 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,161,782 km

• M1: 180,415 km (0.037 R)
• M2: 768,933 km (0.069 R)
• M3: 1,342,342 km (0.097 R)
• M4: 2,247,259 km (0.114 R)
• M5: 3,079,173 km (0.107 R)
• M6: 3,643,905 km (0.118 R)
• M7: 4,968,145 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.3

Radius: 9.4

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.12 AU - 2.52 AU

Year: 2247 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,161,782 km

• M1: 116,836 km (0.104 R)
• M2: 409,300 km (0.098 R)
• M3: 915,240 km (0.095 R)
• M4: 1,510,490 km (0.087 R)
• M5: 3,479,646 km (0.111 R)
• M6: 4,007,577 km (0.066 R)
• M7: 5,612,912 km (0.089 R)
• M8: 6,754,942 km (0.071 R)
• M9: 9,211,040 km (0.073 R)
• M10: 9,635,599 km (0.072 R)
• M11: 11,425,537 km (0.106 R)
• M12: 12,591,653 km (0.077 R)
• M13: 15,851,690 km (0.119 R)
• M14: 16,877,482 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 11.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 2868 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,161,782 km

• M1: 144,661 km (0.041 R)
• M2: 550,071 km (0.072 R)
• M3: 998,715 km (0.116 R)
• M4: 1,724,415 km (0.104 R)
• M5: 2,085,993 km (0.058 R)
• M6: 2,565,753 km (0.062 R)
• M7: 3,057,032 km (0.089 R)
• M8: 4,077,888 km (0.11 R)
• M9: 4,524,887 km (0.093 R)
• M10: 6,546,403 km (0.117 R)
• M11: 7,051,894 km (0.071 R)
• M12: 7,902,807 km (0.08 R)
• M13: 9,240,361 km (0.075 R)
• M14: 11,540,877 km (0.058 R)
• M15: 13,680,725 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 8.3

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.68 AU - 5.4 AU

Year: 7194 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,161,782 km

• M1: 103,522 km (0.108 R)
• M2: 387,309 km (0.089 R)
• M3: 900,130 km (0.069 R)
• M4: 1,267,094 km (0.097 R)
• M5: 2,044,255 km (0.093 R)
• M6: 3,367,448 km (0.09 R)
• M7: 3,665,447 km (0.088 R)
• M8: 4,864,474 km (0.05 R)
• M9: 5,679,932 km (0.058 R)
• M10: 7,199,697 km (0.103 R)
• M11: 9,639,339 km (0.085 R)
• M12: 10,578,215 km (0.103 R)
• M13: 11,119,909 km (0.064 R)
• M14: 11,628,242 km (0.116 R)
• M15: 12,099,027 km (0.083 R)
• M16: 12,365,910 km (0.098 R)
• M17: 12,967,143 km (0.032 R)
• M18: 23,223,274 km (0.068 R)
• M19: 23,553,138 km (0.118 R)
• M20: 25,336,643 km (0.076 R)
• M21: 26,305,888 km (0.106 R)
• M22: 27,759,680 km (0.086 R)
• M23: 30,332,913 km (0.101 R)
• M24: 37,397,224 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 5.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.65 AU - 10.53 AU

Year: 17425 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,161,782 km

• M1: 138,677 km (0.055 R)
• M2: 406,308 km (0.119 R)
• M3: 593,006 km (0.115 R)
• M4: 812,017 km (0.08 R)
• M5: 5,322,393 km (0.114 R)
• M6: 7,929,585 km (0.054 R)
• M7: 8,258,999 km (0.119 R)
• M8: 13,701,220 km (0.051 R)
• M9: 16,578,586 km (0.099 R)
• M10: 20,518,096 km (0.097 R)
• M11: 20,982,298 km (0.087 R)
• M12: 27,297,123 km (0.088 R)
• M13: 32,945,490 km (0.092 R)
• M14: 37,343,668 km (0.054 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 13,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit