🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 12.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.54 AU - 0.66 AU

Year: 327 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,246,412 km

• M1: 150,495 km (0.051 R)
• M2: 832,363 km (0.034 R)
• M3: 1,225,506 km (0.058 R)
• M4: 1,770,940 km (0.083 R)
• M5: 2,467,318 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.52 AU - 2.2 AU

Year: 1783 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,246,412 km

• M1: 145,260 km (0.033 R)
• M2: 628,610 km (0.088 R)
• M3: 990,787 km (0.066 R)
• M4: 1,371,812 km (0.108 R)
• M5: 1,740,122 km (0.091 R)
• M6: 2,122,495 km (0.07 R)
• M7: 2,490,057 km (0.11 R)
• M8: 3,156,964 km (0.057 R)
• M9: 4,021,041 km (0.115 R)
• M10: 4,662,068 km (0.112 R)
• M11: 5,230,690 km (0.091 R)
• M12: 7,193,862 km (0.119 R)
• M13: 8,273,510 km (0.052 R)
• M14: 10,560,413 km (0.107 R)
• M15: 10,978,988 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 13.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.47 AU - 2.41 AU

Year: 1899 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,246,412 km

• M1: 164,558 km (0.039 R)
• M2: 617,540 km (0.091 R)
• M3: 1,037,162 km (0.049 R)
• M4: 1,788,891 km (0.099 R)
• M5: 2,414,809 km (0.079 R)
• M6: 3,424,445 km (0.061 R)
• M7: 3,835,989 km (0.118 R)
• M8: 4,377,682 km (0.103 R)
• M9: 6,367,334 km (0.118 R)
• M10: 7,777,444 km (0.073 R)
• M11: 8,711,982 km (0.099 R)
• M12: 9,386,518 km (0.085 R)
• M13: 10,876,812 km (0.077 R)
• M14: 12,761,297 km (0.076 R)
• M15: 13,802,498 km (0.056 R)
• M16: 14,278,219 km (0.04 R)
• M17: 15,492,655 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 14.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.23 AU - 2.31 AU

Year: 2404 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,246,412 km

• M1: 178,171 km (0.097 R)
• M2: 676,631 km (0.089 R)
• M3: 1,153,848 km (0.096 R)
• M4: 1,633,310 km (0.072 R)
• M5: 2,313,082 km (0.111 R)
• M6: 2,772,198 km (0.086 R)
• M7: 4,768,582 km (0.075 R)
• M8: 5,262,404 km (0.12 R)
• M9: 6,567,795 km (0.076 R)
• M10: 7,124,000 km (0.088 R)
• M11: 8,017,249 km (0.08 R)
• M12: 9,051,270 km (0.116 R)
• M13: 12,902,667 km (0.088 R)
• M14: 14,139,093 km (0.1 R)
• M15: 15,549,801 km (0.108 R)
• M16: 17,786,140 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 11.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.32 AU - 2.58 AU

Year: 2696 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,246,412 km

• M1: 141,819 km (0.119 R)
• M2: 568,023 km (0.117 R)
• M3: 1,026,690 km (0.06 R)
• M4: 1,569,581 km (0.072 R)
• M5: 2,084,646 km (0.076 R)
• M6: 2,513,394 km (0.074 R)
• M7: 3,589,003 km (0.106 R)
• M8: 4,425,404 km (0.098 R)
• M9: 4,808,524 km (0.117 R)
• M10: 5,615,904 km (0.041 R)
• M11: 6,655,160 km (0.106 R)
• M12: 7,658,065 km (0.106 R)
• M13: 8,934,434 km (0.091 R)
• M14: 12,077,335 km (0.112 R)
• M15: 12,784,335 km (0.115 R)
• M16: 13,992,038 km (0.119 R)
• M17: 15,581,067 km (0.111 R)
• M18: 16,154,176 km (0.115 R)
• M19: 16,579,633 km (0.115 R)
• M20: 17,508,935 km (0.057 R)
• M21: 18,530,239 km (0.043 R)
• M22: 21,257,109 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 11.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.2 AU - 4.48 AU

Year: 5289 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,246,412 km

• M1: 147,504 km (0.094 R)
• M2: 626,366 km (0.067 R)
• M3: 1,020,706 km (0.077 R)
• M4: 1,532,780 km (0.068 R)
• M5: 2,089,733 km (0.104 R)
• M6: 2,477,191 km (0.107 R)
• M7: 2,845,501 km (0.062 R)
• M8: 3,535,297 km (0.039 R)
• M9: 4,091,053 km (0.1 R)
• M10: 5,172,197 km (0.083 R)
• M11: 5,590,024 km (0.066 R)
• M12: 6,002,315 km (0.109 R)
• M13: 6,919,051 km (0.07 R)
• M14: 7,362,609 km (0.07 R)
• M15: 9,873,011 km (0.11 R)
• M16: 14,532,984 km (0.105 R)
• M17: 15,422,044 km (0.041 R)
• M18: 16,071,299 km (0.081 R)
• M19: 18,367,477 km (0.093 R)
• M20: 20,355,782 km (0.102 R)
• M21: 21,137,132 km (0.118 R)
• M22: 22,690,556 km (0.044 R)
• M23: 23,459,788 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 20,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit