🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 14.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 5.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,422,582 km

• M1: 176,675 km (0.055 R)
• M2: 705,204 km (0.09 R)
• M3: 1,170,903 km (0.074 R)
• M4: 2,074,922 km (0.078 R)
• M5: 3,548,761 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.4

Radius: 12.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,422,582 km

• M1: 159,172 km (0.076 R)
• M2: 558,150 km (0.103 R)
• M3: 1,038,060 km (0.092 R)
• M4: 1,436,888 km (0.059 R)
• M5: 2,047,247 km (0.073 R)
• M6: 3,030,703 km (0.083 R)
• M7: 3,629,992 km (0.079 R)
• M8: 4,032,111 km (0.081 R)
• M9: 5,051,770 km (0.062 R)
• M10: 5,967,908 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 8.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.13 AU - 1.29 AU

Year: 888 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 52.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,422,582 km

• M1: 105,766 km (0.114 R)
• M2: 393,143 km (0.075 R)
• M3: 664,963 km (0.12 R)
• M4: 944,561 km (0.091 R)
• M5: 1,326,335 km (0.105 R)
• M6: 1,845,888 km (0.057 R)
• M7: 2,284,958 km (0.106 R)
• M8: 2,658,803 km (0.116 R)
• M9: 3,007,516 km (0.093 R)
• M10: 4,274,610 km (0.11 R)
• M11: 4,614,197 km (0.118 R)
• M12: 5,425,466 km (0.1 R)
• M13: 5,824,294 km (0.09 R)
• M14: 6,093,869 km (0.103 R)
• M15: 6,371,972 km (0.042 R)
• M16: 7,448,478 km (0.085 R)
• M17: 7,741,839 km (0.075 R)
• M18: 8,299,839 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 13.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.49 AU - 1.55 AU

Year: 1250 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,422,582 km

• M1: 167,998 km (0.102 R)
• M2: 687,701 km (0.063 R)
• M3: 1,345,483 km (0.108 R)
• M4: 1,977,684 km (0.045 R)
• M5: 2,405,534 km (0.078 R)
• M6: 3,483,985 km (0.112 R)
• M7: 4,451,733 km (0.097 R)
• M8: 4,959,917 km (0.103 R)
• M9: 6,116,459 km (0.027 R)
• M10: 7,654,025 km (0.107 R)
• M11: 8,784,836 km (0.104 R)
• M12: 12,187,439 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 11.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.58 AU - 3 AU

Year: 3108 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,422,582 km

• M1: 147,803 km (0.087 R)
• M2: 535,261 km (0.077 R)
• M3: 1,212,790 km (0.116 R)
• M4: 1,662,032 km (0.098 R)
• M5: 2,262,069 km (0.095 R)
• M6: 2,842,808 km (0.075 R)
• M7: 3,557,737 km (0.039 R)
• M8: 4,410,145 km (0.102 R)
• M9: 5,200,620 km (0.069 R)
• M10: 5,693,396 km (0.116 R)
• M11: 6,744,321 km (0.104 R)
• M12: 8,016,202 km (0.108 R)
• M13: 8,641,521 km (0.09 R)
• M14: 9,122,777 km (0.1 R)
• M15: 9,731,341 km (0.049 R)
• M16: 10,481,874 km (0.109 R)
• M17: 12,877,385 km (0.088 R)
• M18: 17,392,548 km (0.067 R)
• M19: 19,240,829 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 5.6

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.95 AU - 6.83 AU

Year: 9532 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,422,582 km

• M1: 69,713 km (0.06 R)
• M2: 273,315 km (0.093 R)
• M3: 498,610 km (0.095 R)
• M4: 673,490 km (0.102 R)
• M5: 1,238,072 km (0.038 R)
• M6: 1,431,801 km (0.116 R)
• M7: 1,619,547 km (0.093 R)
• M8: 1,999,675 km (0.047 R)
• M9: 2,420,045 km (0.091 R)
• M10: 3,326,907 km (0.091 R)
• M11: 3,868,751 km (0.119 R)
• M12: 4,493,920 km (0.07 R)
• M13: 4,872,103 km (0.057 R)
• M14: 5,126,270 km (0.097 R)
• M15: 7,489,917 km (0.074 R)
• M16: 8,138,573 km (0.109 R)
• M17: 8,577,942 km (0.116 R)
• M18: 8,990,832 km (0.097 R)
• M19: 9,244,999 km (0.044 R)
• M20: 11,063,062 km (0.041 R)
• M21: 11,305,859 km (0.081 R)
• M22: 12,004,780 km (0.087 R)
• M23: 14,562,306 km (0.064 R)
• M24: 16,246,778 km (0.117 R)
• M25: 19,010,748 km (0.08 R)
• M26: 21,315,901 km (0.102 R)
• M27: 23,400,548 km (0.097 R)
• M28: 23,881,505 km (0.044 R)
• M29: 24,533,153 km (0.075 R)
• M30: 27,170,264 km (0.114 R)
• M31: 28,330,396 km (0.082 R)
• M32: 30,653,352 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 18,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit