🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 10.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,251,740 km

• M1: 131,796 km (0.088 R)
• M2: 499,507 km (0.103 R)
• M3: 870,809 km (0.093 R)
• M4: 1,213,089 km (0.098 R)
• M5: 1,660,985 km (0.095 R)
• M6: 2,286,454 km (0.08 R)
• M7: 2,866,146 km (0.086 R)
• M8: 3,636,126 km (0.036 R)
• M9: 4,187,095 km (0.114 R)
• M10: 4,552,263 km (0.106 R)
• M11: 4,983,105 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 8.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.03 AU

Year: 617 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,251,740 km

• M1: 109,506 km (0.083 R)
• M2: 405,859 km (0.041 R)
• M3: 856,149 km (0.039 R)
• M4: 1,205,609 km (0.036 R)
• M5: 1,499,569 km (0.031 R)
• M6: 2,028,846 km (0.082 R)
• M7: 2,473,002 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 11.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.08 AU - 1.24 AU

Year: 794 Days

Day: 11.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,251,740 km

• M1: 140,772 km (0.106 R)
• M2: 703,559 km (0.109 R)
• M3: 1,314,068 km (0.041 R)
• M4: 1,711,848 km (0.047 R)
• M5: 2,098,858 km (0.04 R)
• M6: 2,565,603 km (0.114 R)
• M7: 2,983,580 km (0.027 R)
• M8: 3,472,765 km (0.066 R)
• M9: 3,944,297 km (0.113 R)
• M10: 4,967,098 km (0.113 R)
• M11: 5,426,214 km (0.057 R)
• M12: 5,988,253 km (0.038 R)
• M13: 6,469,360 km (0.051 R)
• M14: 6,831,686 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 13.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.66 AU - 1.88 AU

Year: 1497 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,251,740 km

• M1: 165,904 km (0.059 R)
• M2: 629,508 km (0.093 R)
• M3: 1,069,924 km (0.061 R)
• M4: 1,772,286 km (0.057 R)
• M5: 2,940,197 km (0.112 R)
• M6: 3,566,413 km (0.1 R)
• M7: 4,405,059 km (0.087 R)
• M8: 4,929,998 km (0.114 R)
• M9: 6,404,285 km (0.067 R)
• M10: 6,906,784 km (0.098 R)
• M11: 8,321,232 km (0.052 R)
• M12: 9,889,317 km (0.119 R)
• M13: 11,507,218 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 9.2

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.78 AU - 4.08 AU

Year: 4039 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,251,740 km

• M1: 114,442 km (0.063 R)
• M2: 459,714 km (0.054 R)
• M3: 749,336 km (0.059 R)
• M4: 1,378,245 km (0.116 R)
• M5: 1,801,607 km (0.032 R)
• M6: 2,341,356 km (0.115 R)
• M7: 2,649,827 km (0.087 R)
• M8: 4,379,627 km (0.099 R)
• M9: 5,007,190 km (0.093 R)
• M10: 6,014,582 km (0.087 R)
• M11: 6,409,820 km (0.112 R)
• M12: 7,018,683 km (0.1 R)
• M13: 7,913,727 km (0.056 R)
• M14: 9,038,853 km (0.117 R)
• M15: 9,639,788 km (0.119 R)
• M16: 10,525,706 km (0.086 R)
• M17: 11,100,611 km (0.071 R)
• M18: 14,294,825 km (0.066 R)
• M19: 14,835,322 km (0.068 R)
• M20: 15,728,421 km (0.076 R)
• M21: 17,255,516 km (0.088 R)
• M22: 18,180,180 km (0.102 R)
• M23: 19,464,029 km (0.098 R)
• M24: 20,061,074 km (0.111 R)
• M25: 24,973,569 km (0.032 R)
• M26: 26,236,026 km (0.117 R)
• M27: 26,801,506 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 14.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.98 AU - 6.14 AU

Year: 7237 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,251,740 km

• M1: 186,100 km (0.116 R)
• M2: 854,353 km (0.102 R)
• M3: 1,444,367 km (0.107 R)
• M4: 2,513,543 km (0.103 R)
• M5: 3,086,952 km (0.116 R)
• M6: 3,562,374 km (0.078 R)
• M7: 4,162,710 km (0.087 R)
• M8: 5,234,878 km (0.089 R)
• M9: 6,484,170 km (0.104 R)
• M10: 8,003,336 km (0.071 R)
• M11: 9,083,134 km (0.051 R)
• M12: 9,613,309 km (0.116 R)
• M13: 10,258,076 km (0.075 R)
• M14: 10,736,041 km (0.116 R)
• M15: 11,685,688 km (0.049 R)
• M16: 12,744,991 km (0.085 R)
• M17: 13,298,054 km (0.092 R)
• M18: 17,361,581 km (0.108 R)
• M19: 19,675,262 km (0.083 R)
• M20: 21,173,933 km (0.112 R)
• M21: 22,108,920 km (0.081 R)
• M22: 23,894,370 km (0.034 R)
• M23: 34,074,954 km (0.113 R)
• M24: 36,122,949 km (0.073 R)
• M25: 37,345,463 km (0.117 R)
• M26: 38,251,727 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 17,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit