🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 12.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.65 AU - 0.87 AU

Year: 442 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,791,736 km

• M1: 156,779 km (0.087 R)
• M2: 623,524 km (0.116 R)
• M3: 1,113,756 km (0.104 R)
• M4: 1,545,047 km (0.031 R)
• M5: 2,158,697 km (0.101 R)
• M6: 3,028,011 km (0.063 R)
• M7: 3,890,891 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 14.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.69 AU - 0.89 AU

Year: 468 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,791,736 km

• M1: 181,612 km (0.096 R)
• M2: 733,927 km (0.061 R)
• M3: 1,333,964 km (0.109 R)
• M4: 1,815,819 km (0.117 R)
• M5: 2,472,554 km (0.044 R)
• M6: 3,058,379 km (0.078 R)
• M7: 3,685,493 km (0.083 R)
• M8: 4,355,093 km (0.076 R)
• M9: 4,810,320 km (0.081 R)
• M10: 5,346,329 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.4

Radius: 14.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.08 AU - 2.46 AU

Year: 2281 Days

Day: 12.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,791,736 km

• M1: 177,872 km (0.094 R)
• M2: 870,061 km (0.07 R)
• M3: 1,396,047 km (0.072 R)
• M4: 2,571,438 km (0.063 R)
• M5: 3,531,258 km (0.086 R)
• M6: 4,268,326 km (0.077 R)
• M7: 5,129,711 km (0.105 R)
• M8: 5,665,122 km (0.06 R)
• M9: 7,499,640 km (0.047 R)
• M10: 8,191,531 km (0.109 R)
• M11: 9,133,399 km (0.033 R)
• M12: 12,352,745 km (0.119 R)
• M13: 13,319,297 km (0.044 R)
• M14: 14,100,198 km (0.062 R)
• M15: 15,452,862 km (0.11 R)
• M16: 15,905,545 km (0.058 R)
• M17: 17,479,015 km (0.071 R)
• M18: 18,471,597 km (0.103 R)
• M19: 19,794,192 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 13.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.82 AU - 5.46 AU

Year: 6665 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,791,736 km

• M1: 163,062 km (0.072 R)
• M2: 1,007,841 km (0.106 R)
• M3: 1,625,680 km (0.105 R)
• M4: 2,506,512 km (0.027 R)
• M5: 4,824,831 km (0.08 R)
• M6: 9,435,437 km (0.111 R)
• M7: 10,124,784 km (0.1 R)
• M8: 12,396,278 km (0.067 R)
• M9: 13,336,949 km (0.106 R)
• M10: 16,510,967 km (0.114 R)
• M11: 18,484,463 km (0.095 R)
• M12: 19,345,249 km (0.084 R)
• M13: 24,737,354 km (0.084 R)
• M14: 27,039,815 km (0.115 R)
• M15: 31,965,026 km (0.105 R)
• M16: 33,731,477 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.9

Radius: 4

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.2 AU - 8.26 AU

Year: 11643 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,791,736 km

• M1: 98,735 km (0.108 R)
• M2: 242,199 km (0.108 R)
• M3: 501,901 km (0.026 R)
• M4: 663,766 km (0.06 R)
• M5: 1,707,510 km (0.074 R)
• M6: 2,561,116 km (0.099 R)
• M7: 8,021,438 km (0.046 R)
• M8: 8,325,720 km (0.096 R)
• M9: 19,124,293 km (0.104 R)
• M10: 22,109,668 km (0.114 R)
• M11: 22,535,573 km (0.107 R)
• M12: 27,196,444 km (0.072 R)
• M13: 33,454,871 km (0.082 R)
• M14: 37,635,683 km (0.119 R)
• M15: 38,979,371 km (0.078 R)
• M16: 39,226,955 km (0.117 R)
• M17: 44,000,773 km (0.106 R)
• M18: 44,539,026 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.9

Radius: 3.9

Gravity: 33.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.73 AU - 9.17 AU

Year: 14948 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,791,736 km

• M1: 48,470 km (0.106 R)
• M2: 729,888 km (0.089 R)
• M3: 862,731 km (0.033 R)
• M4: 1,461,272 km (0.113 R)
• M5: 1,690,306 km (0.072 R)
• M6: 2,259,077 km (0.109 R)
• M7: 2,439,941 km (0.058 R)
• M8: 2,853,430 km (0.107 R)
• M9: 3,162,050 km (0.08 R)
• M10: 3,440,452 km (0.086 R)
• M11: 5,753,684 km (0.076 R)
• M12: 7,487,373 km (0.093 R)
• M13: 9,083,134 km (0.11 R)
• M14: 9,437,830 km (0.07 R)
• M15: 10,779,723 km (0.111 R)
• M16: 13,119,135 km (0.118 R)
• M17: 13,376,593 km (0.054 R)
• M18: 14,577,415 km (0.088 R)
• M19: 15,631,631 km (0.093 R)
• M20: 16,287,917 km (0.115 R)
• M21: 17,344,976 km (0.099 R)
• M22: 17,733,481 km (0.077 R)
• M23: 17,969,247 km (0.095 R)
• M24: 19,678,702 km (0.07 R)
• M25: 20,964,197 km (0.073 R)
• M26: 26,054,713 km (0.12 R)
• M27: 26,769,492 km (0.059 R)
• M28: 27,707,620 km (0.06 R)
• M29: 31,334,920 km (0.108 R)
• M30: 35,390,219 km (0.075 R)
• M31: 41,139,115 km (0.111 R)
• M32: 44,958,050 km (0.079 R)
• M33: 45,985,488 km (0.044 R)
• M34: 51,836,560 km (0.095 R)
• M35: 55,273,421 km (0.032 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 12,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit