🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 8

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,850,315 km

• M1: 99,483 km (0.12 R)
• M2: 422,464 km (0.052 R)
• M3: 689,945 km (0.079 R)
• M4: 1,046,437 km (0.045 R)
• M5: 1,301,651 km (0.065 R)
• M6: 1,676,992 km (0.032 R)
• M7: 2,069,088 km (0.054 R)
• M8: 2,495,143 km (0.093 R)
• M9: 2,823,510 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 10.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.91 AU - 1.01 AU

Year: 627 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,850,315 km

• M1: 128,056 km (0.067 R)
• M2: 512,373 km (0.109 R)
• M3: 839,244 km (0.105 R)
• M4: 1,179,130 km (0.095 R)
• M5: 1,578,407 km (0.044 R)
• M6: 1,976,786 km (0.046 R)
• M7: 2,432,611 km (0.07 R)
• M8: 2,788,654 km (0.064 R)
• M9: 3,179,553 km (0.091 R)
• M10: 3,681,903 km (0.059 R)
• M11: 4,045,575 km (0.077 R)
• M12: 4,845,924 km (0.067 R)
• M13: 5,172,197 km (0.069 R)
• M14: 5,868,874 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.2

Radius: 8.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.2 AU - 1.48 AU

Year: 1034 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,850,315 km

• M1: 106,962 km (0.087 R)
• M2: 390,151 km (0.112 R)
• M3: 681,269 km (0.104 R)
• M4: 1,077,105 km (0.102 R)
• M5: 1,384,827 km (0.099 R)
• M6: 1,662,032 km (0.104 R)
• M7: 2,077,914 km (0.103 R)
• M8: 2,508,158 km (0.11 R)
• M9: 2,960,841 km (0.104 R)
• M10: 3,283,673 km (0.078 R)
• M11: 4,317,993 km (0.046 R)
• M12: 4,668,800 km (0.106 R)
• M13: 5,055,660 km (0.069 R)
• M14: 6,612,525 km (0.109 R)
• M15: 7,123,103 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.1

Radius: 10.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.71 AU - 1.99 AU

Year: 1678 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,850,315 km

• M1: 135,685 km (0.061 R)
• M2: 501,302 km (0.09 R)
• M3: 933,042 km (0.038 R)
• M4: 1,568,085 km (0.072 R)
• M5: 2,303,209 km (0.109 R)
• M6: 3,086,503 km (0.076 R)
• M7: 3,526,321 km (0.037 R)
• M8: 5,567,734 km (0.113 R)
• M9: 6,473,549 km (0.074 R)
• M10: 7,335,681 km (0.068 R)
• M11: 7,903,256 km (0.06 R)
• M12: 8,247,779 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 9.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.11 AU - 2.75 AU

Year: 2526 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,850,315 km

• M1: 115,639 km (0.102 R)
• M2: 842,535 km (0.097 R)
• M3: 1,704,518 km (0.117 R)
• M4: 4,636,936 km (0.095 R)
• M5: 4,965,303 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 11.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.76 AU - 2.86 AU

Year: 3141 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,850,315 km

• M1: 152,291 km (0.118 R)
• M2: 619,036 km (0.051 R)
• M3: 1,039,256 km (0.09 R)
• M4: 1,560,455 km (0.08 R)
• M5: 2,862,555 km (0.114 R)
• M6: 4,002,341 km (0.119 R)
• M7: 6,606,541 km (0.114 R)
• M8: 7,364,853 km (0.068 R)
• M9: 8,245,535 km (0.117 R)
• M10: 8,951,039 km (0.101 R)
• M11: 10,598,411 km (0.108 R)
• M12: 12,310,409 km (0.1 R)
• M13: 13,367,767 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 12.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.01 AU - 6.41 AU

Year: 7930 Days

Day: 7.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,850,315 km

• M1: 160,519 km (0.084 R)
• M2: 595,400 km (0.097 R)
• M3: 1,119,740 km (0.076 R)
• M4: 1,604,288 km (0.08 R)
• M5: 2,009,099 km (0.12 R)
• M6: 3,346,804 km (0.077 R)
• M7: 4,207,590 km (0.084 R)
• M8: 4,652,344 km (0.077 R)
• M9: 5,964,467 km (0.076 R)
• M10: 6,625,091 km (0.063 R)
• M11: 7,058,177 km (0.105 R)
• M12: 8,357,435 km (0.034 R)
• M13: 8,784,686 km (0.092 R)
• M14: 10,111,470 km (0.097 R)
• M15: 11,520,233 km (0.11 R)
• M16: 12,099,326 km (0.113 R)
• M17: 12,952,932 km (0.074 R)
• M18: 14,116,803 km (0.063 R)
• M19: 14,556,920 km (0.046 R)
• M20: 15,932,622 km (0.106 R)
• M21: 16,530,714 km (0.043 R)
• M22: 21,868,815 km (0.089 R)
• M23: 23,825,256 km (0.091 R)
• M24: 28,605,656 km (0.09 R)
• M25: 29,134,036 km (0.095 R)
• M26: 30,119,586 km (0.056 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 14,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit