🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 8.4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.52 AU - 0.74 AU

Year: 345 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,978,316 km

• M1: 104,419 km (0.108 R)
• M2: 446,250 km (0.117 R)
• M3: 1,420,432 km (0.096 R)
• M4: 1,875,509 km (0.074 R)
• M5: 2,424,981 km (0.118 R)
• M6: 3,088,149 km (0.074 R)
• M7: 4,459,213 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 9.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.53 AU - 0.87 AU

Year: 404 Days

Day: 8.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,978,316 km

• M1: 119,529 km (0.106 R)
• M2: 607,218 km (0.1 R)
• M3: 958,922 km (0.048 R)
• M4: 1,312,123 km (0.084 R)
• M5: 1,698,833 km (0.043 R)
• M6: 2,330,884 km (0.083 R)
• M7: 2,734,051 km (0.091 R)
• M8: 3,183,742 km (0.115 R)
• M9: 3,879,073 km (0.079 R)
• M10: 4,256,807 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 13.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.02 AU - 1.68 AU

Year: 1083 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,978,316 km

• M1: 173,833 km (0.12 R)
• M2: 834,607 km (0.115 R)
• M3: 1,478,027 km (0.109 R)
• M4: 1,925,025 km (0.062 R)
• M5: 2,839,667 km (0.119 R)
• M6: 3,897,922 km (0.028 R)
• M7: 5,165,315 km (0.103 R)
• M8: 5,768,494 km (0.083 R)
• M9: 6,554,032 km (0.115 R)
• M10: 7,020,478 km (0.054 R)
• M11: 7,484,232 km (0.073 R)
• M12: 9,056,655 km (0.111 R)
• M13: 10,680,091 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 12.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.23 AU - 1.55 AU

Year: 1131 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,978,316 km

• M1: 155,582 km (0.085 R)
• M2: 557,102 km (0.104 R)
• M3: 1,204,113 km (0.092 R)
• M4: 1,716,187 km (0.115 R)
• M5: 2,215,544 km (0.116 R)
• M6: 2,677,503 km (0.101 R)
• M7: 3,266,470 km (0.063 R)
• M8: 3,798,739 km (0.104 R)
• M9: 4,357,636 km (0.119 R)
• M10: 5,458,976 km (0.063 R)
• M11: 5,998,276 km (0.111 R)
• M12: 6,491,500 km (0.047 R)
• M13: 6,926,681 km (0.025 R)
• M14: 7,337,177 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 8.4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.51 AU - 1.65 AU

Year: 1371 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,978,316 km

• M1: 104,419 km (0.087 R)
• M2: 532,868 km (0.078 R)
• M3: 886,517 km (0.104 R)
• M4: 1,421,180 km (0.077 R)
• M5: 1,943,875 km (0.116 R)
• M6: 2,274,486 km (0.088 R)
• M7: 2,550,195 km (0.077 R)
• M8: 2,876,468 km (0.046 R)
• M9: 3,199,898 km (0.108 R)
• M10: 3,630,142 km (0.086 R)
• M11: 4,281,940 km (0.09 R)
• M12: 4,765,141 km (0.083 R)
• M13: 5,703,120 km (0.062 R)
• M14: 6,361,201 km (0.103 R)
• M15: 7,468,973 km (0.094 R)
• M16: 9,412,100 km (0.1 R)
• M17: 9,831,273 km (0.064 R)
• M18: 11,057,078 km (0.099 R)
• M19: 12,458,511 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 10.2

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.41 AU - 3.25 AU

Year: 3286 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,978,316 km

• M1: 126,859 km (0.082 R)
• M2: 605,423 km (0.111 R)
• M3: 1,164,171 km (0.029 R)
• M4: 2,659,701 km (0.042 R)
• M5: 3,263,178 km (0.066 R)
• M6: 3,934,574 km (0.053 R)
• M7: 4,258,902 km (0.07 R)
• M8: 5,289,781 km (0.045 R)
• M9: 6,964,379 km (0.117 R)
• M10: 7,408,835 km (0.106 R)
• M11: 8,249,575 km (0.091 R)
• M12: 8,783,789 km (0.083 R)
• M13: 9,115,297 km (0.117 R)
• M14: 9,493,331 km (0.071 R)
• M15: 10,080,204 km (0.08 R)
• M16: 11,587,701 km (0.073 R)
• M17: 15,254,196 km (0.06 R)
• M18: 17,580,443 km (0.086 R)
• M19: 22,924,976 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.3

Radius: 7.8

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.46 AU - 6.78 AU

Year: 9196 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,978,316 km

• M1: 97,687 km (0.066 R)
• M2: 395,238 km (0.115 R)
• M3: 762,800 km (0.068 R)
• M4: 1,219,671 km (0.103 R)
• M5: 2,007,454 km (0.08 R)
• M6: 2,778,481 km (0.104 R)
• M7: 3,209,024 km (0.044 R)
• M8: 4,176,623 km (0.061 R)
• M9: 5,137,041 km (0.088 R)
• M10: 6,061,257 km (0.096 R)
• M11: 6,599,809 km (0.081 R)
• M12: 7,938,710 km (0.066 R)
• M13: 8,235,363 km (0.044 R)
• M14: 9,170,200 km (0.116 R)
• M15: 12,062,076 km (0.092 R)
• M16: 13,503,302 km (0.113 R)
• M17: 18,511,689 km (0.086 R)
• M18: 19,489,910 km (0.075 R)
• M19: 20,265,575 km (0.086 R)
• M20: 21,304,382 km (0.12 R)
• M21: 22,044,144 km (0.091 R)
• M22: 22,971,351 km (0.064 R)
• M23: 23,661,895 km (0.069 R)
• M24: 24,903,408 km (0.096 R)
• M25: 28,788,764 km (0.106 R)
• M26: 32,088,294 km (0.082 R)
• M27: 34,948,307 km (0.079 R)
• M28: 40,416,707 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 4.6

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.63 AU - 9.83 AU

Year: 16297 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,978,316 km

• M1: 61,784 km (0.056 R)
• M2: 227,987 km (0.059 R)
• M3: 406,607 km (0.078 R)
• M4: 574,456 km (0.088 R)
• M5: 868,266 km (0.045 R)
• M6: 1,152,801 km (0.043 R)
• M7: 1,352,066 km (0.091 R)
• M8: 2,129,226 km (0.12 R)
• M9: 2,347,490 km (0.108 R)
• M10: 2,669,125 km (0.107 R)
• M11: 3,118,068 km (0.109 R)
• M12: 3,321,522 km (0.032 R)
• M13: 3,479,796 km (0.109 R)
• M14: 4,348,810 km (0.1 R)
• M15: 4,570,664 km (0.106 R)
• M16: 4,934,785 km (0.066 R)
• M17: 5,608,574 km (0.085 R)
• M18: 7,224,530 km (0.087 R)
• M19: 7,491,113 km (0.101 R)
• M20: 7,903,106 km (0.118 R)
• M21: 8,233,867 km (0.082 R)
• M22: 11,882,260 km (0.054 R)
• M23: 12,253,711 km (0.111 R)
• M24: 13,682,072 km (0.104 R)
• M25: 14,158,990 km (0.079 R)
• M26: 20,953,127 km (0.033 R)
• M27: 21,953,787 km (0.09 R)
• M28: 33,279,842 km (0.03 R)
• M29: 42,860,089 km (0.094 R)
• M30: 44,320,763 km (0.108 R)
• M31: 45,814,348 km (0.077 R)
• M32: 46,117,134 km (0.117 R)
• M33: 48,429,917 km (0.094 R)
• M34: 59,348,168 km (0.094 R)
• M35: 60,613,467 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 20,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit