🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 15

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.64 AU - 1.06 AU

Year: 523 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,500,018 km

• M1: 187,446 km (0.101 R)
• M2: 686,505 km (0.089 R)
• M3: 1,254,528 km (0.083 R)
• M4: 1,736,233 km (0.101 R)
• M5: 2,429,320 km (0.118 R)
• M6: 3,645,850 km (0.12 R)
• M7: 4,174,229 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 11

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.75 AU - 1.21 AU

Year: 647 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,500,018 km

• M1: 137,331 km (0.096 R)
• M2: 670,647 km (0.087 R)
• M3: 1,017,864 km (0.045 R)
• M4: 1,812,079 km (0.095 R)
• M5: 2,384,590 km (0.109 R)
• M6: 2,752,750 km (0.106 R)
• M7: 3,098,471 km (0.096 R)
• M8: 3,864,861 km (0.083 R)
• M9: 4,437,821 km (0.059 R)
• M10: 4,932,990 km (0.114 R)
• M11: 5,464,810 km (0.107 R)
• M12: 6,149,370 km (0.099 R)
• M13: 6,684,332 km (0.075 R)
• M14: 7,401,803 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 9.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.72 AU - 1.98 AU

Year: 1678 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,500,018 km

• M1: 118,182 km (0.1 R)
• M2: 635,342 km (0.083 R)
• M3: 934,239 km (0.095 R)
• M4: 1,259,764 km (0.056 R)
• M5: 2,005,359 km (0.067 R)
• M6: 2,756,042 km (0.061 R)
• M7: 3,241,487 km (0.089 R)
• M8: 3,884,758 km (0.103 R)
• M9: 4,534,311 km (0.082 R)
• M10: 5,979,876 km (0.105 R)
• M11: 6,283,559 km (0.055 R)
• M12: 8,269,770 km (0.104 R)
• M13: 9,158,232 km (0.101 R)
• M14: 9,499,614 km (0.112 R)
• M15: 10,109,076 km (0.078 R)
• M16: 10,406,776 km (0.08 R)
• M17: 10,950,564 km (0.109 R)
• M18: 11,765,424 km (0.083 R)
• M19: 12,430,835 km (0.106 R)
• M20: 12,811,113 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 8.3

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.75 AU - 3.05 AU

Year: 3293 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,500,018 km

• M1: 103,372 km (0.104 R)
• M2: 369,656 km (0.103 R)
• M3: 655,089 km (0.105 R)
• M4: 1,326,484 km (0.099 R)
• M5: 1,615,208 km (0.086 R)
• M6: 2,107,385 km (0.081 R)
• M7: 2,519,827 km (0.084 R)
• M8: 2,898,160 km (0.078 R)
• M9: 4,198,464 km (0.078 R)
• M10: 4,518,005 km (0.062 R)
• M11: 4,780,550 km (0.102 R)
• M12: 5,129,262 km (0.113 R)
• M13: 7,360,814 km (0.035 R)
• M14: 8,206,640 km (0.098 R)
• M15: 8,965,849 km (0.072 R)
• M16: 9,458,774 km (0.057 R)
• M17: 10,749,355 km (0.111 R)
• M18: 12,153,481 km (0.034 R)
• M19: 15,215,001 km (0.103 R)
• M20: 16,247,376 km (0.088 R)
• M21: 17,325,827 km (0.105 R)
• M22: 18,511,839 km (0.086 R)
• M23: 24,451,473 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 10.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.84 AU - 3.56 AU

Year: 3817 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,500,018 km

• M1: 130,599 km (0.075 R)
• M2: 501,452 km (0.104 R)
• M3: 865,124 km (0.118 R)
• M4: 1,297,163 km (0.106 R)
• M5: 1,753,736 km (0.059 R)
• M6: 2,274,187 km (0.113 R)
• M7: 3,184,939 km (0.07 R)
• M8: 3,588,554 km (0.096 R)
• M9: 4,005,333 km (0.065 R)
• M10: 4,611,654 km (0.041 R)
• M11: 5,105,626 km (0.114 R)
• M12: 5,792,430 km (0.113 R)
• M13: 7,287,660 km (0.118 R)
• M14: 7,795,545 km (0.076 R)
• M15: 10,145,279 km (0.12 R)
• M16: 10,941,738 km (0.107 R)
• M17: 11,439,450 km (0.062 R)
• M18: 12,795,106 km (0.061 R)
• M19: 13,535,316 km (0.062 R)
• M20: 14,402,086 km (0.113 R)
• M21: 17,841,491 km (0.107 R)
• M22: 18,824,199 km (0.11 R)
• M23: 20,520,789 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 13.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.65 AU - 4.33 AU

Year: 4348 Days

Day: 7.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,500,018 km

• M1: 174,132 km (0.07 R)
• M2: 784,042 km (0.118 R)
• M3: 1,215,184 km (0.078 R)
• M4: 1,704,069 km (0.117 R)
• M5: 2,153,461 km (0.1 R)
• M6: 2,618,412 km (0.095 R)
• M7: 3,132,579 km (0.117 R)
• M8: 3,988,279 km (0.11 R)
• M9: 8,375,536 km (0.115 R)
• M10: 14,462,374 km (0.094 R)
• M11: 15,366,244 km (0.119 R)
• M12: 15,971,069 km (0.1 R)
• M13: 16,706,342 km (0.075 R)
• M14: 19,047,998 km (0.088 R)
• M15: 22,360,394 km (0.092 R)
• M16: 24,300,229 km (0.064 R)
• M17: 25,425,205 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 13.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.14 AU - 6.84 AU

Year: 8578 Days

Day: 6.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,500,018 km

• M1: 192,233 km (0.112 R)
• M2: 698,323 km (0.11 R)
• M3: 3,080,669 km (0.066 R)
• M4: 4,908,456 km (0.087 R)
• M5: 5,428,009 km (0.099 R)
• M6: 9,687,061 km (0.063 R)
• M7: 13,709,448 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.3

Radius: 4.6

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.35 AU - 8.27 AU

Year: 14555 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,500,018 km

• M1: 57,296 km (0.106 R)
• M2: 209,886 km (0.091 R)
• M3: 519,404 km (0.037 R)
• M4: 1,189,453 km (0.112 R)
• M5: 1,632,412 km (0.054 R)
• M6: 2,391,472 km (0.118 R)
• M7: 3,837,036 km (0.104 R)
• M8: 5,356,501 km (0.075 R)
• M9: 6,740,730 km (0.105 R)
• M10: 7,407,339 km (0.056 R)
• M11: 10,734,694 km (0.117 R)
• M12: 17,709,845 km (0.073 R)
• M13: 23,301,963 km (0.099 R)
• M14: 24,050,700 km (0.064 R)
• M15: 24,718,954 km (0.038 R)
• M16: 29,097,683 km (0.098 R)
• M17: 31,866,890 km (0.097 R)
• M18: 34,324,783 km (0.111 R)
• M19: 34,565,186 km (0.105 R)
• M20: 44,416,206 km (0.114 R)
• M21: 45,132,331 km (0.108 R)
• M22: 48,375,463 km (0.094 R)
• M23: 50,985,198 km (0.062 R)
• M24: 52,563,456 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: 488 - 18,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit