🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339

Radius: 14.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.43 AU - 0.65 AU

Year: 279 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,541,452 km

• M1: 177,872 km (0.08 R)
• M2: 734,376 km (0.056 R)
• M3: 1,269,637 km (0.099 R)
• M4: 2,188,766 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 11.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.58 AU - 0.8 AU

Year: 403 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,541,452 km

• M1: 145,708 km (0.067 R)
• M2: 558,748 km (0.11 R)
• M3: 1,168,359 km (0.1 R)
• M4: 2,881,554 km (0.074 R)
• M5: 3,314,341 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.6

Radius: 9.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.04 AU - 1.7 AU

Year: 1127 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,541,452 km

• M1: 125,363 km (0.066 R)
• M2: 564,732 km (0.118 R)
• M3: 885,171 km (0.08 R)
• M4: 2,064,151 km (0.047 R)
• M5: 2,409,723 km (0.042 R)
• M6: 2,890,829 km (0.086 R)
• M7: 3,183,742 km (0.119 R)
• M8: 3,559,233 km (0.104 R)
• M9: 4,018,498 km (0.117 R)
• M10: 5,399,735 km (0.044 R)
• M11: 6,207,564 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 8.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.24 AU - 1.82 AU

Year: 1330 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,541,452 km

• M1: 102,175 km (0.075 R)
• M2: 499,058 km (0.098 R)
• M3: 945,159 km (0.115 R)
• M4: 1,218,475 km (0.087 R)
• M5: 1,852,470 km (0.097 R)
• M6: 2,677,353 km (0.108 R)
• M7: 3,041,774 km (0.112 R)
• M8: 4,099,281 km (0.081 R)
• M9: 5,732,890 km (0.067 R)
• M10: 6,206,666 km (0.117 R)
• M11: 7,531,056 km (0.065 R)
• M12: 8,864,272 km (0.102 R)
• M13: 9,796,117 km (0.101 R)
• M14: 10,223,668 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 10.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.47 AU - 1.85 AU

Year: 1503 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,541,452 km

• M1: 126,859 km (0.1 R)
• M2: 641,027 km (0.088 R)
• M3: 1,011,431 km (0.09 R)
• M4: 2,088,835 km (0.106 R)
• M5: 2,461,633 km (0.078 R)
• M6: 3,207,678 km (0.034 R)
• M7: 3,773,307 km (0.06 R)
• M8: 4,764,543 km (0.068 R)
• M9: 5,502,060 km (0.092 R)
• M10: 5,898,494 km (0.066 R)
• M11: 6,361,201 km (0.112 R)
• M12: 7,333,437 km (0.117 R)
• M13: 8,006,927 km (0.034 R)
• M14: 9,887,372 km (0.095 R)
• M15: 10,474,843 km (0.098 R)
• M16: 11,719,497 km (0.042 R)
• M17: 12,564,725 km (0.096 R)

Asteroid Belt

Center: 2.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 12.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.27 AU - 3.61 AU

Year: 3543 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,541,452 km

• M1: 157,975 km (0.104 R)
• M2: 576,401 km (0.069 R)
• M3: 1,210,696 km (0.11 R)
• M4: 1,691,952 km (0.107 R)
• M5: 2,511,000 km (0.07 R)
• M6: 3,170,876 km (0.102 R)
• M7: 3,692,075 km (0.027 R)
• M8: 4,166,151 km (0.091 R)
• M9: 4,977,271 km (0.078 R)
• M10: 7,239,490 km (0.059 R)
• M11: 8,715,871 km (0.076 R)
• M12: 9,345,229 km (0.092 R)
• M13: 10,117,603 km (0.082 R)
• M14: 12,128,199 km (0.116 R)
• M15: 13,455,431 km (0.113 R)
• M16: 14,201,775 km (0.101 R)
• M17: 17,303,088 km (0.054 R)
• M18: 18,242,114 km (0.114 R)
• M19: 18,810,137 km (0.118 R)
• M20: 20,161,455 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.1

Radius: 8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.66 AU - 10.26 AU

Year: 17297 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,541,452 km

• M1: 101,727 km (0.111 R)
• M2: 463,155 km (0.043 R)
• M3: 789,278 km (0.101 R)
• M4: 1,120,787 km (0.064 R)
• M5: 1,374,056 km (0.115 R)
• M6: 1,634,955 km (0.1 R)
• M7: 1,964,220 km (0.099 R)
• M8: 2,357,214 km (0.096 R)
• M9: 2,735,098 km (0.05 R)
• M10: 3,201,993 km (0.12 R)
• M11: 4,145,955 km (0.071 R)
• M12: 8,651,245 km (0.108 R)
• M13: 11,717,852 km (0.078 R)
• M14: 13,330,965 km (0.045 R)
• M15: 15,947,432 km (0.104 R)
• M16: 17,298,600 km (0.111 R)
• M17: 21,184,255 km (0.115 R)
• M18: 21,898,884 km (0.104 R)
• M19: 22,907,772 km (0.091 R)
• M20: 23,188,119 km (0.109 R)
• M21: 25,614,895 km (0.037 R)
• M22: 31,771,147 km (0.078 R)
• M23: 35,876,412 km (0.11 R)
• M24: 38,317,849 km (0.094 R)
• M25: 42,676,533 km (0.118 R)
• M26: 48,268,052 km (0.066 R)
• M27: 52,040,312 km (0.094 R)
• M28: 53,668,386 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 13,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit