🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 14.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.5 AU - 0.78 AU

Year: 353 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,518,058 km

• M1: 182,809 km (0.039 R)
• M2: 660,774 km (0.097 R)
• M3: 1,174,044 km (0.12 R)
• M4: 1,693,597 km (0.1 R)
• M5: 2,557,675 km (0.102 R)
• M6: 3,199,898 km (0.088 R)
• M7: 3,657,369 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.4

Radius: 8.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.53 AU - 0.85 AU

Year: 396 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,518,058 km

• M1: 103,223 km (0.046 R)
• M2: 367,412 km (0.114 R)
• M3: 740,360 km (0.1 R)
• M4: 1,168,509 km (0.065 R)
• M5: 1,950,158 km (0.102 R)
• M6: 2,718,792 km (0.103 R)
• M7: 3,198,702 km (0.094 R)
• M8: 3,949,533 km (0.087 R)
• M9: 4,392,941 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.1

Radius: 8.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,518,058 km

• M1: 108,458 km (0.088 R)
• M2: 386,860 km (0.087 R)
• M3: 665,112 km (0.069 R)
• M4: 944,711 km (0.062 R)
• M5: 1,278,912 km (0.08 R)
• M6: 1,615,059 km (0.113 R)
• M7: 2,027,650 km (0.056 R)
• M8: 2,509,654 km (0.11 R)
• M9: 3,361,165 km (0.088 R)
• M10: 3,648,542 km (0.089 R)
• M11: 4,066,818 km (0.099 R)
• M12: 4,348,062 km (0.107 R)
• M13: 5,606,031 km (0.116 R)
• M14: 7,133,574 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 11.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.91 AU - 1.03 AU

Year: 659 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,518,058 km

• M1: 145,559 km (0.117 R)
• M2: 635,941 km (0.087 R)
• M3: 1,193,492 km (0.079 R)
• M4: 1,647,821 km (0.037 R)
• M5: 2,208,364 km (0.117 R)
• M6: 2,904,443 km (0.056 R)
• M7: 3,371,786 km (0.076 R)
• M8: 3,781,535 km (0.069 R)
• M9: 4,326,071 km (0.037 R)
• M10: 4,843,081 km (0.075 R)
• M11: 5,316,260 km (0.093 R)
• M12: 5,856,158 km (0.052 R)
• M13: 6,317,967 km (0.091 R)
• M14: 6,744,470 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 8.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.46 AU - 1.66 AU

Year: 1345 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,518,058 km

• M1: 105,766 km (0.115 R)
• M2: 920,625 km (0.047 R)
• M3: 1,517,222 km (0.111 R)
• M4: 1,912,010 km (0.079 R)
• M5: 2,204,923 km (0.118 R)
• M6: 2,527,905 km (0.045 R)
• M7: 4,965,153 km (0.072 R)
• M8: 5,319,700 km (0.114 R)
• M9: 5,969,853 km (0.057 R)
• M10: 7,918,814 km (0.077 R)
• M11: 8,348,758 km (0.069 R)
• M12: 9,977,580 km (0.061 R)
• M13: 10,671,863 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 13.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.98 AU - 3.32 AU

Year: 3859 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,518,058 km

• M1: 183,557 km (0.09 R)
• M2: 969,544 km (0.075 R)
• M3: 1,625,979 km (0.116 R)
• M4: 2,090,630 km (0.117 R)
• M5: 2,553,785 km (0.103 R)
• M6: 3,068,552 km (0.08 R)
• M7: 4,267,130 km (0.063 R)
• M8: 7,040,225 km (0.106 R)
• M9: 7,507,719 km (0.061 R)
• M10: 9,328,923 km (0.091 R)
• M11: 15,017,382 km (0.099 R)
• M12: 16,653,983 km (0.058 R)
• M13: 17,657,186 km (0.102 R)
• M14: 19,722,834 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 13.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.94 AU - 4.5 AU

Year: 4953 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,518,058 km

• M1: 162,912 km (0.073 R)
• M2: 678,875 km (0.095 R)
• M3: 1,504,057 km (0.099 R)
• M4: 2,015,233 km (0.101 R)
• M5: 2,800,323 km (0.115 R)
• M6: 3,234,904 km (0.112 R)
• M7: 4,123,217 km (0.06 R)
• M8: 5,223,509 km (0.062 R)
• M9: 7,211,665 km (0.099 R)
• M10: 8,261,991 km (0.107 R)
• M11: 9,746,900 km (0.101 R)
• M12: 12,980,906 km (0.067 R)
• M13: 13,768,689 km (0.105 R)
• M14: 14,811,984 km (0.051 R)
• M15: 16,025,821 km (0.118 R)
• M16: 17,242,351 km (0.102 R)
• M17: 17,809,477 km (0.083 R)
• M18: 19,181,439 km (0.077 R)
• M19: 20,622,665 km (0.101 R)
• M20: 21,333,853 km (0.106 R)
• M21: 25,785,736 km (0.067 R)
• M22: 30,729,647 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 11.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.53 AU - 5.03 AU

Year: 6112 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,518,058 km

• M1: 146,756 km (0.071 R)
• M2: 549,024 km (0.069 R)
• M3: 1,051,972 km (0.057 R)
• M4: 1,964,220 km (0.094 R)
• M5: 2,730,460 km (0.085 R)
• M6: 5,056,258 km (0.069 R)
• M7: 6,073,823 km (0.085 R)
• M8: 6,931,019 km (0.066 R)
• M9: 7,625,452 km (0.049 R)
• M10: 9,387,266 km (0.116 R)
• M11: 10,363,542 km (0.07 R)
• M12: 11,451,119 km (0.111 R)
• M13: 12,517,452 km (0.084 R)
• M14: 13,750,438 km (0.079 R)
• M15: 16,342,071 km (0.115 R)
• M16: 16,920,417 km (0.065 R)
• M17: 17,874,103 km (0.093 R)
• M18: 18,426,119 km (0.083 R)
• M19: 19,052,785 km (0.086 R)
• M20: 20,150,684 km (0.056 R)
• M21: 22,120,289 km (0.066 R)
• M22: 22,543,352 km (0.047 R)
• M23: 23,844,853 km (0.099 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: 500 - 17,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit