🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 9.1

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.83 AU - 1.01 AU

Year: 579 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,805,161 km

• M1: 113,395 km (0.075 R)
• M2: 420,220 km (0.116 R)
• M3: 726,597 km (0.086 R)
• M4: 1,042,996 km (0.053 R)
• M5: 1,329,327 km (0.116 R)
• M6: 1,615,059 km (0.109 R)
• M7: 1,942,229 km (0.11 R)
• M8: 2,766,065 km (0.084 R)
• M9: 3,416,516 km (0.099 R)
• M10: 3,792,156 km (0.111 R)
• M11: 4,969,791 km (0.108 R)
• M12: 5,400,034 km (0.065 R)
• M13: 5,911,360 km (0.115 R)
• M14: 6,514,688 km (0.036 R)
• M15: 7,115,772 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 8.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.17 AU - 1.63 AU

Year: 1087 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,805,161 km

• M1: 104,120 km (0.058 R)
• M2: 390,750 km (0.117 R)
• M3: 1,053,019 km (0.106 R)
• M4: 1,386,024 km (0.089 R)
• M5: 1,692,251 km (0.079 R)
• M6: 2,109,330 km (0.104 R)
• M7: 2,593,728 km (0.064 R)
• M8: 2,885,593 km (0.056 R)
• M9: 3,278,886 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 13.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.39 AU - 2.41 AU

Year: 2439 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,805,161 km

• M1: 166,054 km (0.065 R)
• M2: 764,146 km (0.026 R)
• M3: 2,073,726 km (0.116 R)
• M4: 3,151,130 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.1

Radius: 10.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.29 AU - 3.35 AU

Year: 3968 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,805,161 km

• M1: 125,812 km (0.095 R)
• M2: 457,470 km (0.114 R)
• M3: 1,687,015 km (0.098 R)
• M4: 2,284,659 km (0.084 R)
• M5: 3,268,414 km (0.108 R)
• M6: 4,415,082 km (0.074 R)
• M7: 7,622,460 km (0.066 R)
• M8: 9,328,923 km (0.114 R)
• M9: 10,423,830 km (0.098 R)
• M10: 12,968,490 km (0.086 R)
• M11: 17,274,515 km (0.111 R)
• M12: 17,958,776 km (0.09 R)
• M13: 20,738,454 km (0.093 R)
• M14: 26,475,831 km (0.109 R)
• M15: 27,135,259 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 8.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.75 AU - 5.57 AU

Year: 7689 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,805,161 km

• M1: 106,962 km (0.087 R)
• M2: 1,994,738 km (0.101 R)
• M3: 2,294,682 km (0.082 R)
• M4: 2,948,873 km (0.102 R)
• M5: 4,649,651 km (0.111 R)
• M6: 9,975,186 km (0.076 R)
• M7: 10,411,114 km (0.108 R)
• M8: 11,843,813 km (0.098 R)
• M9: 15,266,463 km (0.095 R)
• M10: 16,742,096 km (0.095 R)
• M11: 18,181,377 km (0.115 R)
• M12: 19,364,098 km (0.118 R)
• M13: 27,472,901 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 12

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.41 AU - 6.11 AU

Year: 7914 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,805,161 km

• M1: 152,739 km (0.078 R)
• M2: 746,493 km (0.032 R)
• M3: 1,153,549 km (0.056 R)
• M4: 2,050,388 km (0.063 R)
• M5: 2,732,555 km (0.079 R)
• M6: 3,344,709 km (0.11 R)
• M7: 4,070,857 km (0.117 R)
• M8: 4,899,480 km (0.097 R)
• M9: 6,548,946 km (0.08 R)
• M10: 8,341,876 km (0.118 R)
• M11: 8,785,733 km (0.075 R)
• M12: 9,245,298 km (0.06 R)
• M13: 10,304,002 km (0.101 R)
• M14: 10,910,322 km (0.076 R)
• M15: 11,589,796 km (0.11 R)
• M16: 12,661,665 km (0.025 R)
• M17: 14,535,677 km (0.087 R)
• M18: 16,088,653 km (0.08 R)
• M19: 16,651,141 km (0.094 R)
• M20: 17,881,882 km (0.116 R)
• M21: 22,320,451 km (0.075 R)
• M22: 23,976,799 km (0.098 R)
• M23: 27,004,360 km (0.114 R)
• M24: 27,621,452 km (0.093 R)
• M25: 29,808,423 km (0.082 R)
• M26: 32,108,640 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.1

Radius: 6.3

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.67 AU - 9.61 AU

Year: 16660 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,805,161 km

• M1: 78,988 km (0.116 R)
• M2: 425,756 km (0.078 R)
• M3: 833,709 km (0.117 R)
• M4: 2,583,106 km (0.059 R)
• M5: 6,240,924 km (0.113 R)
• M6: 7,807,662 km (0.104 R)
• M7: 8,140,219 km (0.104 R)
• M8: 8,432,682 km (0.072 R)
• M9: 8,631,648 km (0.078 R)
• M10: 8,935,780 km (0.113 R)
• M11: 9,727,901 km (0.096 R)
• M12: 13,033,864 km (0.067 R)
• M13: 16,472,670 km (0.047 R)
• M14: 17,498,613 km (0.111 R)
• M15: 19,245,018 km (0.063 R)
• M16: 22,886,829 km (0.108 R)
• M17: 31,141,490 km (0.097 R)
• M18: 33,695,125 km (0.066 R)
• M19: 36,384,895 km (0.091 R)
• M20: 37,849,458 km (0.07 R)
• M21: 39,909,271 km (0.11 R)
• M22: 40,471,011 km (0.104 R)
• M23: 41,610,049 km (0.095 R)
• M24: 59,144,117 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 10,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit