🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 13.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.88 AU - 1.18 AU

Year: 686 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,388,360 km

• M1: 172,935 km (0.111 R)
• M2: 679,174 km (0.07 R)
• M3: 1,231,340 km (0.085 R)
• M4: 1,864,887 km (0.071 R)
• M5: 2,333,278 km (0.098 R)
• M6: 3,857,680 km (0.098 R)
• M7: 4,376,935 km (0.118 R)
• M8: 6,301,960 km (0.099 R)
• M9: 6,813,734 km (0.067 R)
• M10: 7,419,606 km (0.107 R)
• M11: 7,874,383 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 9.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.28 AU - 1.54 AU

Year: 1098 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,388,360 km

• M1: 122,371 km (0.084 R)
• M2: 524,041 km (0.117 R)
• M3: 1,178,532 km (0.025 R)
• M4: 1,929,813 km (0.072 R)
• M5: 2,359,607 km (0.088 R)
• M6: 2,800,173 km (0.05 R)
• M7: 3,656,920 km (0.114 R)
• M8: 5,237,272 km (0.12 R)
• M9: 5,542,900 km (0.106 R)
• M10: 9,957,533 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 10.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.49 AU - 2.87 AU

Year: 2878 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,388,360 km

• M1: 129,103 km (0.111 R)
• M2: 468,391 km (0.101 R)
• M3: 1,070,074 km (0.107 R)
• M4: 1,809,237 km (0.057 R)
• M5: 3,412,776 km (0.099 R)
• M6: 4,479,559 km (0.117 R)
• M7: 4,821,839 km (0.054 R)
• M8: 6,397,254 km (0.109 R)
• M9: 7,522,828 km (0.089 R)
• M10: 7,946,489 km (0.045 R)
• M11: 9,382,778 km (0.081 R)
• M12: 9,838,454 km (0.114 R)
• M13: 12,593,149 km (0.078 R)
• M14: 13,988,448 km (0.11 R)
• M15: 14,444,871 km (0.108 R)
• M16: 15,339,466 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 13.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.64 AU - 3.57 AU

Year: 3581 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,388,360 km

• M1: 172,935 km (0.04 R)
• M2: 680,970 km (0.038 R)
• M3: 1,321,248 km (0.115 R)
• M4: 1,787,545 km (0.105 R)
• M5: 2,422,887 km (0.112 R)
• M6: 3,188,679 km (0.068 R)
• M7: 3,765,528 km (0.088 R)
• M8: 4,522,643 km (0.111 R)
• M9: 4,961,862 km (0.115 R)
• M10: 6,398,151 km (0.1 R)
• M11: 7,290,503 km (0.116 R)
• M12: 7,832,047 km (0.117 R)
• M13: 8,264,235 km (0.093 R)
• M14: 8,924,560 km (0.071 R)
• M15: 10,194,347 km (0.102 R)
• M16: 13,183,462 km (0.106 R)
• M17: 14,183,973 km (0.055 R)
• M18: 14,777,876 km (0.066 R)
• M19: 15,647,937 km (0.064 R)
• M20: 17,490,085 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.2

Radius: 9.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.07 AU - 3.57 AU

Year: 3968 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,388,360 km

• M1: 115,938 km (0.114 R)
• M2: 471,981 km (0.072 R)
• M3: 1,000,959 km (0.076 R)
• M4: 1,499,120 km (0.096 R)
• M5: 2,128,179 km (0.059 R)
• M6: 2,488,710 km (0.075 R)
• M7: 3,802,479 km (0.06 R)
• M8: 4,182,308 km (0.116 R)
• M9: 5,193,140 km (0.116 R)
• M10: 5,906,423 km (0.118 R)
• M11: 6,359,106 km (0.046 R)
• M12: 7,081,215 km (0.075 R)
• M13: 7,462,241 km (0.089 R)
• M14: 8,724,249 km (0.112 R)
• M15: 12,470,179 km (0.105 R)
• M16: 13,745,800 km (0.104 R)
• M17: 16,944,502 km (0.108 R)
• M18: 18,210,698 km (0.054 R)
• M19: 20,353,090 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 12.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.84 AU - 5.22 AU

Year: 6325 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,388,360 km

• M1: 158,125 km (0.069 R)
• M2: 747,541 km (0.087 R)
• M3: 1,230,891 km (0.105 R)
• M4: 1,636,002 km (0.1 R)
• M5: 3,362,811 km (0.109 R)
• M6: 4,034,505 km (0.12 R)
• M7: 4,705,152 km (0.086 R)
• M8: 5,137,640 km (0.11 R)
• M9: 6,377,806 km (0.034 R)
• M10: 7,053,839 km (0.045 R)
• M11: 9,585,783 km (0.096 R)
• M12: 13,244,199 km (0.072 R)
• M13: 13,787,688 km (0.041 R)
• M14: 14,919,096 km (0.037 R)
• M15: 17,419,924 km (0.04 R)
• M16: 18,968,412 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 11.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.08 AU - 6.4 AU

Year: 9021 Days

Day: 11.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 64.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,388,360 km

• M1: 140,472 km (0.057 R)
• M2: 547,528 km (0.107 R)
• M3: 970,890 km (0.046 R)
• M4: 1,732,643 km (0.053 R)
• M5: 2,254,290 km (0.088 R)
• M6: 2,794,937 km (0.091 R)
• M7: 3,232,960 km (0.1 R)
• M8: 3,641,063 km (0.034 R)
• M9: 4,165,254 km (0.077 R)
• M10: 4,561,837 km (0.073 R)
• M11: 5,530,783 km (0.078 R)
• M12: 6,556,575 km (0.083 R)
• M13: 7,174,714 km (0.054 R)
• M14: 8,438,068 km (0.072 R)
• M15: 8,798,748 km (0.074 R)
• M16: 11,731,166 km (0.068 R)
• M17: 13,175,982 km (0.12 R)
• M18: 14,865,989 km (0.046 R)
• M19: 20,313,296 km (0.109 R)
• M20: 20,717,809 km (0.109 R)
• M21: 21,459,515 km (0.08 R)
• M22: 23,701,987 km (0.115 R)
• M23: 24,240,839 km (0.086 R)
• M24: 24,879,771 km (0.055 R)
• M25: 25,436,425 km (0.085 R)
• M26: 26,382,482 km (0.085 R)
• M27: 31,253,389 km (0.055 R)
• M28: 42,731,136 km (0.07 R)
• M29: 44,746,070 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit