🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 11.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 13.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 171.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,226,942 km

• M1: 138,079 km (0.078 R)
• M2: 483,201 km (0.086 R)
• M3: 1,054,964 km (0.056 R)
• M4: 1,500,766 km (0.073 R)
• M5: 1,874,761 km (0.112 R)
• M6: 2,262,069 km (0.08 R)
• M7: 2,687,227 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 14.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 9.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,226,942 km

• M1: 176,525 km (0.094 R)
• M2: 812,316 km (0.068 R)
• M3: 1,641,537 km (0.11 R)
• M4: 2,338,963 km (0.108 R)
• M5: 3,164,893 km (0.027 R)
• M6: 3,746,978 km (0.027 R)
• M7: 4,547,476 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 8.7

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.82 AU - 2.84 AU

Year: 3286 Days

Day: 5.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 79.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,226,942 km

• M1: 108,159 km (0.075 R)
• M2: 888,163 km (0.117 R)
• M3: 1,535,921 km (0.113 R)
• M4: 1,943,875 km (0.095 R)
• M5: 2,216,741 km (0.068 R)
• M6: 2,691,116 km (0.111 R)
• M7: 4,121,421 km (0.089 R)
• M8: 4,576,199 km (0.065 R)
• M9: 5,242,957 km (0.096 R)
• M10: 5,559,356 km (0.083 R)
• M11: 6,259,773 km (0.058 R)
• M12: 6,861,456 km (0.108 R)
• M13: 7,600,469 km (0.066 R)
• M14: 8,356,088 km (0.118 R)
• M15: 10,016,325 km (0.119 R)
• M16: 10,299,365 km (0.108 R)
• M17: 12,433,229 km (0.072 R)
• M18: 14,076,561 km (0.098 R)
• M19: 15,969,423 km (0.103 R)
• M20: 16,692,878 km (0.118 R)
• M21: 18,748,952 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 14.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.08 AU - 3.56 AU

Year: 4176 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,226,942 km

• M1: 185,950 km (0.066 R)
• M2: 941,569 km (0.091 R)
• M3: 1,415,794 km (0.113 R)
• M4: 1,938,938 km (0.109 R)
• M5: 2,941,393 km (0.077 R)
• M6: 3,389,589 km (0.102 R)
• M7: 4,110,201 km (0.071 R)
• M8: 4,569,766 km (0.101 R)
• M9: 7,180,249 km (0.043 R)
• M10: 8,279,195 km (0.085 R)
• M11: 10,152,459 km (0.061 R)
• M12: 11,265,318 km (0.107 R)
• M13: 12,915,831 km (0.094 R)
• M14: 16,792,810 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 8.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.73 AU - 4.29 AU

Year: 4539 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,226,942 km

• M1: 102,175 km (0.061 R)
• M2: 420,968 km (0.05 R)
• M3: 721,660 km (0.062 R)
• M4: 1,341,295 km (0.109 R)
• M5: 3,407,690 km (0.084 R)
• M6: 7,392,379 km (0.118 R)
• M7: 8,949,842 km (0.065 R)
• M8: 10,625,638 km (0.119 R)
• M9: 10,894,016 km (0.11 R)
• M10: 11,212,660 km (0.079 R)
• M11: 13,464,556 km (0.118 R)
• M12: 14,044,697 km (0.064 R)
• M13: 15,827,305 km (0.052 R)
• M14: 22,145,571 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 14.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.32 AU - 5.34 AU

Year: 6219 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,226,942 km

• M1: 179,218 km (0.109 R)
• M2: 884,123 km (0.077 R)
• M3: 1,716,187 km (0.089 R)
• M4: 2,965,628 km (0.073 R)
• M5: 7,426,936 km (0.041 R)
• M6: 8,450,185 km (0.057 R)
• M7: 8,961,361 km (0.084 R)
• M8: 10,698,342 km (0.09 R)
• M9: 18,811,783 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.3

Radius: 5.3

Gravity: 24.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.21 AU - 9.49 AU

Year: 16655 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,226,942 km

• M1: 65,973 km (0.049 R)
• M2: 315,951 km (0.09 R)
• M3: 512,223 km (0.082 R)
• M4: 959,970 km (0.09 R)
• M5: 1,738,028 km (0.081 R)
• M6: 2,086,142 km (0.101 R)
• M7: 2,823,809 km (0.048 R)
• M8: 3,070,646 km (0.119 R)
• M9: 5,294,717 km (0.089 R)
• M10: 6,104,790 km (0.114 R)
• M11: 6,603,100 km (0.113 R)
• M12: 6,994,299 km (0.036 R)
• M13: 8,211,726 km (0.099 R)
• M14: 9,563,941 km (0.04 R)
• M15: 9,895,750 km (0.096 R)
• M16: 10,064,646 km (0.112 R)
• M17: 13,650,058 km (0.119 R)
• M18: 14,284,502 km (0.084 R)
• M19: 14,645,332 km (0.091 R)
• M20: 15,612,034 km (0.094 R)
• M21: 16,541,485 km (0.096 R)
• M22: 19,199,391 km (0.111 R)
• M23: 19,550,497 km (0.04 R)
• M24: 22,807,243 km (0.084 R)
• M25: 23,200,984 km (0.071 R)
• M26: 23,499,282 km (0.103 R)
• M27: 27,391,669 km (0.068 R)
• M28: 39,447,612 km (0.071 R)
• M29: 40,587,548 km (0.069 R)
• M30: 43,835,766 km (0.069 R)
• M31: 44,444,331 km (0.116 R)
• M32: 56,026,946 km (0.113 R)
• M33: 60,418,990 km (0.087 R)
• M34: 61,551,745 km (0.097 R)
• M35: 62,891,094 km (0.054 R)
• M36: 64,249,742 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 19,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit