🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 9.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.68 AU - 0.9 AU

Year: 485 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,962,449 km

• M1: 116,986 km (0.114 R)
• M2: 610,210 km (0.052 R)
• M3: 906,563 km (0.092 R)
• M4: 1,253,929 km (0.118 R)
• M5: 1,683,874 km (0.074 R)
• M6: 2,202,529 km (0.091 R)
• M7: 2,730,460 km (0.062 R)
• M8: 3,515,101 km (0.089 R)
• M9: 4,149,995 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 12.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.38 AU - 1.46 AU

Year: 1168 Days

Day: 12.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,962,449 km

• M1: 155,731 km (0.034 R)
• M2: 592,707 km (0.088 R)
• M3: 1,000,062 km (0.102 R)
• M4: 1,426,715 km (0.114 R)
• M5: 2,018,524 km (0.117 R)
• M6: 2,529,251 km (0.039 R)
• M7: 3,558,634 km (0.047 R)
• M8: 4,292,711 km (0.06 R)
• M9: 7,187,579 km (0.105 R)
• M10: 8,446,296 km (0.081 R)
• M11: 8,906,758 km (0.032 R)
• M12: 11,397,114 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.8

Radius: 15

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.56 AU - 2.88 AU

Year: 3096 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,962,449 km

• M1: 186,549 km (0.084 R)
• M2: 792,121 km (0.097 R)
• M3: 1,376,450 km (0.113 R)
• M4: 2,102,448 km (0.038 R)
• M5: 2,695,305 km (0.089 R)
• M6: 4,095,691 km (0.07 R)
• M7: 4,814,209 km (0.099 R)
• M8: 5,857,056 km (0.104 R)
• M9: 6,476,241 km (0.099 R)
• M10: 7,045,761 km (0.106 R)
• M11: 7,583,714 km (0.071 R)
• M12: 8,149,194 km (0.11 R)
• M13: 9,068,473 km (0.117 R)
• M14: 11,933,123 km (0.078 R)
• M15: 12,471,077 km (0.11 R)
• M16: 16,592,349 km (0.086 R)
• M17: 21,479,711 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 14.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.47 AU - 4.93 AU

Year: 5941 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,962,449 km

• M1: 178,470 km (0.101 R)
• M2: 773,421 km (0.086 R)
• M3: 2,992,556 km (0.061 R)
• M4: 4,215,818 km (0.118 R)
• M5: 5,322,692 km (0.08 R)
• M6: 5,972,994 km (0.086 R)
• M7: 6,465,321 km (0.1 R)
• M8: 7,110,985 km (0.061 R)
• M9: 8,532,165 km (0.036 R)
• M10: 10,094,864 km (0.097 R)
• M11: 10,586,443 km (0.069 R)
• M12: 11,266,964 km (0.072 R)
• M13: 14,853,573 km (0.12 R)
• M14: 17,163,812 km (0.084 R)
• M15: 17,865,875 km (0.032 R)
• M16: 20,539,788 km (0.092 R)
• M17: 23,900,354 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 12.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.79 AU - 6.05 AU

Year: 7533 Days

Day: 12.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,962,449 km

• M1: 157,975 km (0.12 R)
• M2: 694,134 km (0.097 R)
• M3: 1,363,435 km (0.083 R)
• M4: 2,189,514 km (0.061 R)
• M5: 2,909,679 km (0.093 R)
• M6: 3,683,100 km (0.079 R)
• M7: 5,065,085 km (0.109 R)
• M8: 6,582,007 km (0.1 R)
• M9: 7,915,373 km (0.112 R)
• M10: 9,658,338 km (0.11 R)
• M11: 12,027,818 km (0.094 R)
• M12: 13,288,480 km (0.112 R)
• M13: 16,138,469 km (0.092 R)
• M14: 17,032,466 km (0.118 R)
• M15: 17,598,843 km (0.057 R)
• M16: 19,069,839 km (0.067 R)
• M17: 23,798,777 km (0.043 R)
• M18: 27,288,896 km (0.069 R)
• M19: 29,156,027 km (0.112 R)
• M20: 31,211,950 km (0.094 R)
• M21: 35,039,412 km (0.112 R)
• M22: 38,439,322 km (0.06 R)
• M23: 42,698,374 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 9.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.85 AU - 5.19 AU

Year: 7764 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,962,449 km

• M1: 118,182 km (0.099 R)
• M2: 784,641 km (0.076 R)
• M3: 2,172,311 km (0.04 R)
• M4: 2,929,426 km (0.064 R)
• M5: 5,361,588 km (0.089 R)
• M6: 5,662,279 km (0.115 R)
• M7: 6,102,247 km (0.066 R)
• M8: 6,632,870 km (0.115 R)
• M9: 7,015,243 km (0.109 R)
• M10: 9,367,071 km (0.083 R)
• M11: 10,626,535 km (0.094 R)
• M12: 11,995,655 km (0.077 R)
• M13: 12,407,498 km (0.077 R)
• M14: 13,096,994 km (0.12 R)
• M15: 14,207,310 km (0.115 R)
• M16: 14,610,326 km (0.113 R)
• M17: 16,741,348 km (0.03 R)
• M18: 21,685,857 km (0.111 R)
• M19: 23,475,795 km (0.113 R)
• M20: 24,447,882 km (0.078 R)
• M21: 26,385,474 km (0.093 R)
• M22: 27,971,660 km (0.085 R)
• M23: 28,423,296 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.6

Radius: 6.4

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.66 AU - 10.76 AU

Year: 19293 Days

Day: 19.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,962,449 km

• M1: 79,586 km (0.107 R)
• M2: 288,873 km (0.037 R)
• M3: 598,840 km (0.09 R)
• M4: 891,753 km (0.11 R)
• M5: 1,823,149 km (0.108 R)
• M6: 2,099,905 km (0.08 R)
• M7: 2,404,487 km (0.042 R)
• M8: 4,925,959 km (0.058 R)
• M9: 7,095,876 km (0.1 R)
• M10: 7,925,994 km (0.094 R)
• M11: 8,974,227 km (0.095 R)
• M12: 10,921,692 km (0.106 R)
• M13: 13,748,643 km (0.109 R)
• M14: 17,840,743 km (0.028 R)
• M15: 22,871,719 km (0.071 R)
• M16: 26,132,803 km (0.04 R)
• M17: 28,546,266 km (0.101 R)
• M18: 41,547,817 km (0.08 R)
• M19: 48,913,118 km (0.077 R)
• M20: 54,278,595 km (0.075 R)
• M21: 61,143,791 km (0.083 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: 442 - 13,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit