🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.3

Radius: 12.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 12.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,182,409 km

• M1: 153,039 km (0.096 R)
• M2: 549,623 km (0.115 R)
• M3: 941,719 km (0.089 R)
• M4: 1,478,625 km (0.05 R)
• M5: 1,986,809 km (0.066 R)
• M6: 2,445,626 km (0.069 R)
• M7: 4,114,540 km (0.067 R)
• M8: 4,641,872 km (0.112 R)
• M9: 5,592,866 km (0.078 R)
• M10: 6,097,160 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 14.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.72 AU - 1.08 AU

Year: 560 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,182,409 km

• M1: 177,872 km (0.069 R)
• M2: 703,708 km (0.113 R)
• M3: 1,176,737 km (0.03 R)
• M4: 1,663,080 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 8.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.78 AU - 1.02 AU

Year: 560 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,182,409 km

• M1: 100,679 km (0.12 R)
• M2: 437,723 km (0.076 R)
• M3: 778,358 km (0.029 R)
• M4: 1,073,814 km (0.12 R)
• M5: 1,407,417 km (0.106 R)
• M6: 1,723,517 km (0.062 R)
• M7: 2,062,805 km (0.116 R)
• M8: 2,401,345 km (0.098 R)
• M9: 2,766,813 km (0.073 R)
• M10: 3,201,843 km (0.094 R)
• M11: 3,574,940 km (0.117 R)
• M12: 3,864,263 km (0.105 R)
• M13: 4,301,088 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 15

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.92 AU - 3.7 AU

Year: 3950 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,182,409 km

• M1: 188,493 km (0.116 R)
• M2: 669,151 km (0.071 R)
• M3: 1,155,793 km (0.076 R)
• M4: 1,662,930 km (0.077 R)
• M5: 2,769,356 km (0.107 R)
• M6: 4,844,428 km (0.076 R)
• M7: 5,664,673 km (0.1 R)
• M8: 6,346,390 km (0.073 R)
• M9: 7,361,113 km (0.054 R)
• M10: 8,007,226 km (0.077 R)
• M11: 8,655,733 km (0.081 R)
• M12: 9,789,236 km (0.094 R)
• M13: 10,896,260 km (0.09 R)
• M14: 11,823,318 km (0.078 R)
• M15: 12,894,140 km (0.054 R)
• M16: 17,323,583 km (0.068 R)
• M17: 18,882,243 km (0.103 R)
• M18: 19,361,704 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 11.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.44 AU - 5 AU

Year: 5687 Days

Day: 13.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,182,409 km

• M1: 138,378 km (0.101 R)
• M2: 671,545 km (0.034 R)
• M3: 1,246,449 km (0.03 R)
• M4: 2,071,631 km (0.106 R)
• M5: 2,740,932 km (0.117 R)
• M6: 4,254,563 km (0.108 R)
• M7: 6,663,688 km (0.11 R)
• M8: 7,587,903 km (0.076 R)
• M9: 12,411,387 km (0.11 R)
• M10: 14,144,329 km (0.041 R)
• M11: 14,601,650 km (0.073 R)
• M12: 16,593,246 km (0.101 R)
• M13: 25,364,768 km (0.073 R)
• M14: 26,125,772 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.6

Radius: 4.5

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.39 AU - 6.67 AU

Year: 9714 Days

Day: 24.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 21,182,409 km

• M1: 58,493 km (0.108 R)
• M2: 389,104 km (0.052 R)
• M3: 547,379 km (0.082 R)
• M4: 742,005 km (0.08 R)
• M5: 956,080 km (0.118 R)
• M6: 1,251,985 km (0.076 R)
• M7: 1,473,689 km (0.095 R)
• M8: 1,814,024 km (0.104 R)
• M9: 2,174,255 km (0.103 R)
• M10: 2,347,340 km (0.119 R)
• M11: 3,500,441 km (0.066 R)
• M12: 3,783,031 km (0.045 R)
• M13: 3,987,531 km (0.086 R)
• M14: 7,257,292 km (0.048 R)
• M15: 8,270,817 km (0.111 R)
• M16: 8,615,641 km (0.096 R)
• M17: 10,619,055 km (0.037 R)
• M18: 11,210,864 km (0.117 R)
• M19: 11,680,751 km (0.086 R)
• M20: 11,969,026 km (0.102 R)
• M21: 13,377,042 km (0.104 R)
• M22: 14,175,146 km (0.113 R)
• M23: 16,041,529 km (0.095 R)
• M24: 20,809,513 km (0.052 R)
• M25: 22,024,397 km (0.098 R)
• M26: 22,760,718 km (0.117 R)
• M27: 23,589,490 km (0.096 R)
• M28: 29,251,919 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 3.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.15 AU - 8.03 AU

Year: 11098 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,182,409 km

• M1: 39,793 km (0.076 R)
• M2: 310,715 km (0.07 R)
• M3: 1,756,279 km (0.093 R)
• M4: 1,940,883 km (0.104 R)
• M5: 2,422,139 km (0.1 R)
• M6: 3,557,437 km (0.106 R)
• M7: 4,143,711 km (0.069 R)
• M8: 5,251,334 km (0.111 R)
• M9: 6,090,578 km (0.072 R)
• M10: 8,503,442 km (0.096 R)
• M11: 12,216,461 km (0.058 R)
• M12: 14,447,863 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 18,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit