🌌 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 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.75 AU

Year: 323 Days

Day: 16.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,842,154 km

• M1: 55,501 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.1

Radius: 10.7

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.79 AU - 1.01 AU

Year: 551 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,842,154 km

• M1: 133,142 km (0.11 R)
• M2: 495,019 km (0.103 R)
• M3: 1,013,675 km (0.099 R)
• M4: 1,434,943 km (0.114 R)
• M5: 1,981,424 km (0.07 R)
• M6: 2,426,178 km (0.117 R)
• M7: 2,792,095 km (0.036 R)
• M8: 4,234,667 km (0.104 R)
• M9: 5,262,404 km (0.105 R)
• M10: 5,681,428 km (0.11 R)
• M11: 6,666,231 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 12

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.84 AU - 2.5 AU

Year: 2064 Days

Day: 9.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,842,154 km

• M1: 149,598 km (0.099 R)
• M2: 579,093 km (0.039 R)
• M3: 1,104,631 km (0.076 R)
• M4: 1,527,394 km (0.118 R)
• M5: 2,318,318 km (0.119 R)
• M6: 2,770,852 km (0.113 R)
• M7: 3,184,939 km (0.12 R)
• M8: 4,662,666 km (0.09 R)
• M9: 6,933,562 km (0.086 R)
• M10: 10,985,121 km (0.094 R)
• M11: 11,481,038 km (0.085 R)
• M12: 11,912,329 km (0.082 R)
• M13: 12,476,762 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 10.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.79 AU - 2.81 AU

Year: 2252 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,842,154 km

• M1: 133,142 km (0.072 R)
• M2: 484,398 km (0.058 R)
• M3: 843,732 km (0.12 R)
• M4: 1,243,906 km (0.091 R)
• M5: 1,753,736 km (0.038 R)
• M6: 2,161,390 km (0.109 R)
• M7: 2,537,329 km (0.092 R)
• M8: 2,996,296 km (0.117 R)
• M9: 3,510,314 km (0.092 R)
• M10: 4,715,624 km (0.08 R)
• M11: 5,472,739 km (0.117 R)
• M12: 6,178,242 km (0.108 R)
• M13: 6,827,048 km (0.073 R)
• M14: 8,025,776 km (0.069 R)
• M15: 9,388,613 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.61 AU - 3.05 AU

Year: 3074 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,842,154 km

• M1: 163,959 km (0.119 R)
• M2: 605,871 km (0.06 R)
• M3: 1,044,492 km (0.084 R)
• M4: 1,806,095 km (0.097 R)
• M5: 2,566,351 km (0.113 R)
• M6: 3,184,789 km (0.092 R)
• M7: 3,900,914 km (0.106 R)
• M8: 4,450,985 km (0.037 R)
• M9: 5,004,198 km (0.075 R)
• M10: 6,056,021 km (0.1 R)
• M11: 6,855,322 km (0.092 R)
• M12: 7,468,524 km (0.112 R)
• M13: 8,184,948 km (0.093 R)
• M14: 8,982,455 km (0.114 R)
• M15: 10,333,922 km (0.094 R)
• M16: 10,732,450 km (0.086 R)
• M17: 11,391,429 km (0.09 R)
• M18: 12,519,846 km (0.103 R)
• M19: 13,721,266 km (0.088 R)
• M20: 14,301,108 km (0.074 R)
• M21: 14,746,760 km (0.104 R)
• M22: 15,717,799 km (0.065 R)
• M23: 18,711,103 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 9.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.99 AU - 3.71 AU

Year: 3959 Days

Day: 10 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,842,154 km

• M1: 116,986 km (0.096 R)
• M2: 1,092,214 km (0.029 R)
• M3: 1,672,803 km (0.097 R)
• M4: 2,337,616 km (0.063 R)
• M5: 2,998,839 km (0.084 R)
• M6: 7,599,871 km (0.03 R)
• M7: 7,944,844 km (0.049 R)
• M8: 9,152,547 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.6 AU - 4.06 AU

Year: 4840 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,842,154 km

• M1: 147,204 km (0.107 R)
• M2: 631,901 km (0.112 R)
• M3: 1,199,177 km (0.067 R)
• M4: 1,725,013 km (0.108 R)
• M5: 2,525,810 km (0.064 R)
• M6: 3,265,123 km (0.097 R)
• M7: 4,183,355 km (0.101 R)
• M8: 4,638,581 km (0.065 R)
• M9: 6,392,018 km (0.081 R)
• M10: 7,140,905 km (0.087 R)
• M11: 7,702,346 km (0.104 R)
• M12: 8,103,417 km (0.085 R)
• M13: 8,947,299 km (0.096 R)
• M14: 10,583,002 km (0.059 R)
• M15: 11,751,960 km (0.119 R)
• M16: 12,284,379 km (0.03 R)
• M17: 12,918,823 km (0.066 R)
• M18: 13,708,700 km (0.1 R)
• M19: 15,530,653 km (0.062 R)
• M20: 16,022,680 km (0.073 R)
• M21: 17,246,241 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 8.5

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.18 AU - 6.16 AU

Year: 7590 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,842,154 km

• M1: 105,766 km (0.091 R)
• M2: 489,185 km (0.081 R)
• M3: 823,087 km (0.059 R)
• M4: 1,532,780 km (0.085 R)
• M5: 2,240,827 km (0.114 R)
• M6: 2,545,408 km (0.07 R)
• M7: 4,704,703 km (0.073 R)
• M8: 5,583,741 km (0.068 R)
• M9: 5,978,081 km (0.074 R)
• M10: 6,426,126 km (0.039 R)
• M11: 7,864,958 km (0.053 R)
• M12: 8,193,326 km (0.11 R)
• M13: 10,705,074 km (0.051 R)
• M14: 11,262,775 km (0.097 R)
• M15: 14,407,322 km (0.101 R)
• M16: 15,723,783 km (0.089 R)
• M17: 17,187,150 km (0.108 R)
• M18: 20,613,539 km (0.075 R)
• M19: 21,556,305 km (0.117 R)
• M20: 22,200,623 km (0.107 R)
• M21: 23,697,051 km (0.098 R)
• M22: 24,124,452 km (0.055 R)
• M23: 27,730,658 km (0.117 R)
• M24: 28,205,332 km (0.1 R)
• M25: 28,588,901 km (0.09 R)
• M26: 30,559,404 km (0.072 R)
• M27: 32,935,467 km (0.046 R)
• M28: 33,254,260 km (0.073 R)
• M29: 34,114,149 km (0.103 R)
• M30: 37,587,213 km (0.055 R)
• M31: 37,935,327 km (0.111 R)
• M32: 39,230,246 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.8

Radius: 7.2

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.58 AU - 10.12 AU

Year: 15579 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,842,154 km

• M1: 89,908 km (0.103 R)
• M2: 471,682 km (0.029 R)
• M3: 1,660,836 km (0.084 R)
• M4: 1,997,580 km (0.117 R)
• M5: 4,531,768 km (0.117 R)
• M6: 9,889,915 km (0.113 R)
• M7: 10,198,236 km (0.106 R)
• M8: 16,689,886 km (0.087 R)
• M9: 22,368,771 km (0.118 R)
• M10: 23,897,512 km (0.112 R)
• M11: 27,463,177 km (0.047 R)
• M12: 31,811,239 km (0.118 R)
• M13: 40,257,834 km (0.034 R)
• M14: 40,912,774 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit