🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 9.7

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,347,921 km

• M1: 120,576 km (0.055 R)
• M2: 425,008 km (0.109 R)
• M3: 817,253 km (0.07 R)
• M4: 1,148,164 km (0.092 R)
• M5: 1,458,430 km (0.1 R)
• M6: 1,762,562 km (0.116 R)
• M7: 2,086,142 km (0.095 R)
• M8: 3,252,557 km (0.073 R)
• M9: 3,651,385 km (0.092 R)
• M10: 4,145,357 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.64 AU - 0.88 AU

Year: 449 Days

Day: 11.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,347,921 km

• M1: 177,872 km (0.113 R)
• M2: 681,867 km (0.048 R)
• M3: 1,464,414 km (0.099 R)
• M4: 2,088,536 km (0.071 R)
• M5: 2,577,272 km (0.118 R)
• M6: 3,108,644 km (0.102 R)
• M7: 3,700,453 km (0.092 R)
• M8: 4,410,295 km (0.117 R)
• M9: 4,875,694 km (0.109 R)
• M10: 6,194,997 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 14

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.97 AU - 1.19 AU

Year: 761 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,347,921 km

• M1: 174,431 km (0.098 R)
• M2: 1,068,428 km (0.107 R)
• M3: 1,557,463 km (0.117 R)
• M4: 2,188,467 km (0.057 R)
• M5: 2,708,918 km (0.109 R)
• M6: 3,393,478 km (0.108 R)
• M7: 4,034,505 km (0.043 R)
• M8: 4,738,363 km (0.084 R)
• M9: 6,038,219 km (0.056 R)
• M10: 6,607,439 km (0.117 R)
• M11: 7,398,512 km (0.075 R)
• M12: 8,585,123 km (0.12 R)
• M13: 9,142,823 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 11.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.64 AU - 2 AU

Year: 1665 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,347,921 km

• M1: 147,653 km (0.091 R)
• M2: 519,254 km (0.12 R)
• M3: 926,160 km (0.08 R)
• M4: 1,648,569 km (0.037 R)
• M5: 2,063,254 km (0.081 R)
• M6: 2,536,282 km (0.104 R)
• M7: 2,987,320 km (0.06 R)
• M8: 3,626,701 km (0.12 R)
• M9: 4,185,449 km (0.12 R)
• M10: 5,140,632 km (0.045 R)
• M11: 5,701,175 km (0.083 R)
• M12: 6,368,830 km (0.045 R)
• M13: 7,184,737 km (0.104 R)
• M14: 8,605,917 km (0.093 R)
• M15: 9,485,253 km (0.037 R)
• M16: 10,175,797 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.1

Radius: 10.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.2 AU - 2.3 AU

Year: 2289 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,347,921 km

• M1: 130,599 km (0.119 R)
• M2: 659,577 km (0.077 R)
• M3: 994,975 km (0.044 R)
• M4: 1,466,957 km (0.039 R)
• M5: 1,865,635 km (0.109 R)
• M6: 2,483,325 km (0.105 R)
• M7: 3,024,271 km (0.059 R)
• M8: 3,536,793 km (0.054 R)
• M9: 4,974,877 km (0.07 R)
• M10: 5,429,356 km (0.11 R)
• M11: 6,395,907 km (0.079 R)
• M12: 6,989,661 km (0.114 R)
• M13: 9,361,386 km (0.12 R)
• M14: 9,879,144 km (0.114 R)
• M15: 10,525,706 km (0.062 R)
• M16: 11,470,118 km (0.094 R)
• M17: 12,224,988 km (0.105 R)
• M18: 12,552,608 km (0.1 R)
• M19: 13,570,771 km (0.115 R)
• M20: 14,551,684 km (0.096 R)
• M21: 15,771,056 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 13.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.27 AU - 4.61 AU

Year: 6345 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,347,921 km

• M1: 169,943 km (0.102 R)
• M2: 658,979 km (0.076 R)
• M3: 1,165,966 km (0.082 R)
• M4: 2,602,105 km (0.116 R)
• M5: 4,390,997 km (0.032 R)
• M6: 5,390,909 km (0.109 R)
• M7: 7,879,469 km (0.116 R)
• M8: 10,806,801 km (0.1 R)
• M9: 11,561,671 km (0.097 R)
• M10: 12,190,730 km (0.105 R)
• M11: 20,547,268 km (0.119 R)
• M12: 28,731,468 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.7

Radius: 7.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.76 AU - 10.6 AU

Year: 17345 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,347,921 km

• M1: 101,876 km (0.061 R)
• M2: 604,974 km (0.066 R)
• M3: 871,258 km (0.091 R)
• M4: 1,229,694 km (0.083 R)
• M5: 3,192,269 km (0.095 R)
• M6: 4,411,492 km (0.092 R)
• M7: 4,857,742 km (0.072 R)
• M8: 7,246,970 km (0.034 R)
• M9: 9,319,499 km (0.109 R)
• M10: 10,054,174 km (0.118 R)
• M11: 11,877,921 km (0.071 R)
• M12: 14,249,347 km (0.03 R)
• M13: 18,819,113 km (0.079 R)
• M14: 20,420,708 km (0.106 R)
• M15: 21,121,574 km (0.071 R)
• M16: 24,085,856 km (0.078 R)
• M17: 28,382,306 km (0.119 R)
• M18: 31,168,118 km (0.093 R)
• M19: 32,214,106 km (0.095 R)
• M20: 34,253,424 km (0.09 R)
• M21: 34,745,452 km (0.089 R)
• M22: 36,760,984 km (0.102 R)
• M23: 38,190,990 km (0.118 R)
• M24: 44,137,805 km (0.115 R)
• M25: 45,160,904 km (0.026 R)
• M26: 45,604,163 km (0.084 R)
• M27: 48,943,786 km (0.056 R)
• M28: 51,633,555 km (0.042 R)
• M29: 51,956,388 km (0.11 R)
• M30: 52,280,417 km (0.111 R)
• M31: 55,427,208 km (0.082 R)
• M32: 56,961,035 km (0.032 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 17,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit