🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.38 AU - 2.24 AU

Year: 1572 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,988,806 km

• M1: 113,395 km (0.048 R)
• M2: 589,864 km (0.097 R)
• M3: 1,046,587 km (0.099 R)
• M4: 1,422,077 km (0.092 R)
• M5: 1,863,391 km (0.107 R)
• M6: 2,771,001 km (0.11 R)
• M7: 3,487,874 km (0.086 R)
• M8: 4,434,380 km (0.084 R)
• M9: 4,929,998 km (0.117 R)
• M10: 5,413,498 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 9.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.06 AU - 2.22 AU

Year: 2021 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,988,806 km

• M1: 118,332 km (0.067 R)
• M2: 456,872 km (0.104 R)
• M3: 845,378 km (0.111 R)
• M4: 1,379,592 km (0.114 R)
• M5: 1,985,912 km (0.077 R)
• M6: 2,503,221 km (0.071 R)
• M7: 2,868,988 km (0.094 R)
• M8: 3,240,290 km (0.086 R)
• M9: 3,595,435 km (0.115 R)
• M10: 4,203,850 km (0.118 R)
• M11: 4,570,664 km (0.1 R)
• M12: 5,389,862 km (0.111 R)
• M13: 7,369,790 km (0.06 R)
• M14: 8,042,531 km (0.088 R)
• M15: 8,551,762 km (0.093 R)
• M16: 9,112,605 km (0.071 R)
• M17: 10,079,905 km (0.117 R)
• M18: 11,148,781 km (0.116 R)
• M19: 11,462,638 km (0.032 R)
• M20: 11,890,188 km (0.085 R)
• M21: 12,291,410 km (0.117 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.4

Radius: 4.7

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.75 AU - 8.29 AU

Year: 14665 Days

Day: 24.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,988,806 km

• M1: 59,390 km (0.084 R)
• M2: 428,299 km (0.088 R)
• M3: 583,282 km (0.112 R)
• M4: 850,015 km (0.118 R)
• M5: 1,182,571 km (0.049 R)
• M6: 3,349,796 km (0.098 R)
• M7: 4,675,083 km (0.026 R)
• M8: 4,989,687 km (0.044 R)
• M9: 7,558,283 km (0.063 R)
• M10: 9,943,322 km (0.093 R)
• M11: 10,516,431 km (0.055 R)
• M12: 14,100,497 km (0.063 R)
• M13: 14,295,273 km (0.062 R)
• M14: 14,823,204 km (0.039 R)
• M15: 20,588,108 km (0.08 R)
• M16: 24,942,303 km (0.073 R)
• M17: 28,299,878 km (0.068 R)
• M18: 31,835,175 km (0.055 R)
• M19: 34,231,733 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.1

Radius: 7

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.34 AU - 9.94 AU

Year: 17842 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,988,806 km

• M1: 87,066 km (0.12 R)
• M2: 378,632 km (0.093 R)
• M3: 668,553 km (0.109 R)
• M4: 1,705,266 km (0.058 R)
• M5: 1,941,780 km (0.119 R)
• M6: 2,161,988 km (0.113 R)
• M7: 2,787,008 km (0.086 R)
• M8: 3,607,104 km (0.044 R)
• M9: 5,863,040 km (0.101 R)
• M10: 6,446,771 km (0.061 R)
• M11: 7,460,296 km (0.088 R)
• M12: 8,723,052 km (0.115 R)
• M13: 9,379,338 km (0.054 R)
• M14: 10,620,252 km (0.071 R)
• M15: 11,906,345 km (0.068 R)
• M16: 14,366,931 km (0.037 R)
• M17: 16,762,441 km (0.101 R)
• M18: 20,528,269 km (0.085 R)
• M19: 21,505,741 km (0.035 R)
• M20: 21,960,219 km (0.083 R)
• M21: 26,136,244 km (0.096 R)
• M22: 28,792,354 km (0.095 R)
• M23: 30,812,524 km (0.079 R)
• M24: 31,740,031 km (0.051 R)
• M25: 34,386,567 km (0.052 R)
• M26: 37,568,364 km (0.094 R)
• M27: 37,962,853 km (0.12 R)
• M28: 42,061,536 km (0.066 R)
• M29: 44,952,066 km (0.09 R)
• M30: 45,248,270 km (0.032 R)
• M31: 57,839,922 km (0.079 R)
• M32: 59,072,459 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.7

Radius: 6.8

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 10.12 AU - 11.12 AU

Year: 22346 Days

Day: 15.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,988,806 km

• M1: 89,759 km (0.111 R)
• M2: 363,074 km (0.104 R)
• M3: 657,183 km (0.025 R)
• M4: 957,875 km (0.1 R)
• M5: 1,216,979 km (0.027 R)
• M6: 1,918,293 km (0.118 R)
• M7: 2,357,513 km (0.064 R)
• M8: 3,181,049 km (0.082 R)
• M9: 3,673,675 km (0.071 R)
• M10: 4,083,723 km (0.083 R)
• M11: 5,742,613 km (0.029 R)
• M12: 9,956,785 km (0.12 R)
• M13: 12,824,128 km (0.049 R)
• M14: 13,840,795 km (0.077 R)
• M15: 16,616,284 km (0.106 R)
• M16: 19,931,523 km (0.084 R)
• M17: 23,662,793 km (0.087 R)
• M18: 24,308,756 km (0.107 R)
• M19: 27,244,315 km (0.046 R)
• M20: 28,797,141 km (0.025 R)
• M21: 29,286,476 km (0.083 R)
• M22: 34,627,270 km (0.091 R)
• M23: 38,036,605 km (0.066 R)
• M24: 45,019,834 km (0.091 R)
• M25: 49,245,674 km (0.106 R)
• M26: 50,474,621 km (0.046 R)
• M27: 53,176,807 km (0.11 R)
• M28: 56,735,890 km (0.106 R)
• M29: 57,891,982 km (0.073 R)
• M30: 60,251,290 km (0.106 R)
• M31: 68,794,825 km (0.089 R)
• M32: 73,695,501 km (0.043 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 14,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit