🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 13.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 5.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,375,762 km

• M1: 170,392 km (0.072 R)
• M2: 617,540 km (0.075 R)
• M3: 1,311,225 km (0.052 R)
• M4: 2,126,833 km (0.105 R)
• M5: 3,043,868 km (0.056 R)
• M6: 3,508,369 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.2

Radius: 10.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.85 AU - 0.97 AU

Year: 569 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,375,762 km

• M1: 127,308 km (0.109 R)
• M2: 493,075 km (0.104 R)
• M3: 913,145 km (0.105 R)
• M4: 1,408,015 km (0.069 R)
• M5: 1,749,397 km (0.119 R)
• M6: 2,543,164 km (0.114 R)
• M7: 3,022,176 km (0.049 R)
• M8: 3,510,464 km (0.057 R)
• M9: 3,887,001 km (0.073 R)
• M10: 4,348,361 km (0.09 R)
• M11: 5,133,301 km (0.036 R)
• M12: 5,795,122 km (0.116 R)
• M13: 6,267,253 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 8.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.51 AU - 1.61 AU

Year: 1278 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 55.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,375,762 km

• M1: 101,128 km (0.119 R)
• M2: 425,756 km (0.115 R)
• M3: 943,215 km (0.036 R)
• M4: 1,405,771 km (0.083 R)
• M5: 1,697,337 km (0.106 R)
• M6: 2,229,457 km (0.12 R)
• M7: 2,500,678 km (0.073 R)
• M8: 2,954,857 km (0.032 R)
• M9: 3,636,275 km (0.094 R)
• M10: 4,014,309 km (0.101 R)
• M11: 5,004,348 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 8.9

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.23 AU - 1.93 AU

Year: 1303 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,375,762 km

• M1: 110,702 km (0.113 R)
• M2: 435,779 km (0.09 R)
• M3: 737,069 km (0.086 R)
• M4: 1,190,201 km (0.094 R)
• M5: 1,481,917 km (0.107 R)
• M6: 1,880,146 km (0.108 R)
• M7: 2,599,113 km (0.089 R)
• M8: 3,196,757 km (0.09 R)
• M9: 4,339,984 km (0.115 R)
• M10: 4,645,911 km (0.034 R)
• M11: 5,505,202 km (0.063 R)
• M12: 5,821,152 km (0.078 R)
• M13: 6,127,080 km (0.118 R)
• M14: 6,605,943 km (0.12 R)
• M15: 9,237,220 km (0.081 R)
• M16: 10,882,647 km (0.115 R)
• M17: 11,280,727 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 13.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.46 AU - 1.96 AU

Year: 1467 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,375,762 km

• M1: 162,912 km (0.102 R)
• M2: 598,092 km (0.067 R)
• M3: 1,226,403 km (0.055 R)
• M4: 1,682,976 km (0.109 R)
• M5: 2,398,503 km (0.093 R)
• M6: 3,278,737 km (0.045 R)
• M7: 4,216,266 km (0.115 R)
• M8: 5,010,631 km (0.103 R)
• M9: 5,433,245 km (0.04 R)
• M10: 6,570,638 km (0.11 R)
• M11: 7,078,223 km (0.091 R)
• M12: 8,463,200 km (0.06 R)
• M13: 9,003,697 km (0.099 R)
• M14: 9,439,925 km (0.101 R)
• M15: 11,364,202 km (0.113 R)
• M16: 12,629,800 km (0.058 R)
• M17: 13,618,792 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.1

Radius: 11.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.64 AU - 2.5 AU

Year: 1954 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,375,762 km

• M1: 145,559 km (0.095 R)
• M2: 521,797 km (0.119 R)
• M3: 1,433,896 km (0.113 R)
• M4: 1,876,256 km (0.104 R)
• M5: 2,436,800 km (0.118 R)
• M6: 3,188,529 km (0.068 R)
• M7: 4,011,317 km (0.069 R)
• M8: 4,663,414 km (0.118 R)
• M9: 5,220,966 km (0.115 R)
• M10: 6,179,589 km (0.105 R)
• M11: 6,881,352 km (0.093 R)
• M12: 7,251,757 km (0.117 R)
• M13: 9,516,519 km (0.049 R)
• M14: 10,639,999 km (0.12 R)
• M15: 11,568,852 km (0.039 R)
• M16: 13,105,671 km (0.1 R)
• M17: 13,765,996 km (0.087 R)
• M18: 14,963,078 km (0.057 R)
• M19: 15,782,575 km (0.104 R)
• M20: 16,378,872 km (0.09 R)
• M21: 17,145,262 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 9.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.89 AU - 2.53 AU

Year: 2155 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,375,762 km

• M1: 121,922 km (0.104 R)
• M2: 428,598 km (0.109 R)
• M3: 1,042,697 km (0.08 R)
• M4: 1,689,708 km (0.115 R)
• M5: 3,301,924 km (0.053 R)
• M6: 3,617,875 km (0.044 R)
• M7: 4,654,588 km (0.097 R)
• M8: 5,147,064 km (0.097 R)
• M9: 6,258,277 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 12.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.15 AU - 2.37 AU

Year: 2229 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,375,762 km

• M1: 156,779 km (0.098 R)
• M2: 662,719 km (0.088 R)
• M3: 1,227,451 km (0.098 R)
• M4: 2,714,453 km (0.038 R)
• M5: 3,385,549 km (0.035 R)
• M6: 4,204,897 km (0.103 R)
• M7: 6,316,172 km (0.062 R)
• M8: 7,088,695 km (0.107 R)
• M9: 8,624,018 km (0.067 R)
• M10: 9,470,144 km (0.081 R)
• M11: 10,823,107 km (0.107 R)
• M12: 11,566,159 km (0.067 R)
• M13: 13,241,506 km (0.057 R)
• M14: 14,647,128 km (0.102 R)
• M15: 17,753,378 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.7

Radius: 7.2

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.59 AU - 8.67 AU

Year: 12489 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,375,762 km

• M1: 89,609 km (0.056 R)
• M2: 314,604 km (0.073 R)
• M3: 820,395 km (0.098 R)
• M4: 1,095,954 km (0.094 R)
• M5: 2,440,390 km (0.047 R)
• M6: 3,166,239 km (0.058 R)
• M7: 3,499,244 km (0.117 R)
• M8: 5,420,230 km (0.057 R)
• M9: 6,012,039 km (0.108 R)
• M10: 6,979,489 km (0.099 R)
• M11: 8,093,544 km (0.107 R)
• M12: 8,915,883 km (0.096 R)
• M13: 9,529,085 km (0.112 R)
• M14: 10,279,618 km (0.07 R)
• M15: 10,782,566 km (0.065 R)
• M16: 12,704,300 km (0.117 R)
• M17: 14,425,274 km (0.117 R)
• M18: 14,703,077 km (0.084 R)
• M19: 19,396,710 km (0.04 R)
• M20: 24,702,797 km (0.028 R)
• M21: 27,473,200 km (0.12 R)
• M22: 28,223,882 km (0.083 R)
• M23: 34,978,376 km (0.06 R)
• M24: 35,859,956 km (0.106 R)
• M25: 38,194,880 km (0.113 R)
• M26: 51,241,759 km (0.026 R)
• M27: 51,564,890 km (0.101 R)
• M28: 56,575,372 km (0.093 R)
• M29: 58,843,724 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 13,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit