🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.8 AU - 0.82 AU

Year: 471 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,724,000 km

• M1: 99,483 km (0.111 R)
• M2: 400,623 km (0.055 R)
• M3: 656,585 km (0.067 R)
• M4: 1,018,313 km (0.066 R)
• M5: 1,339,649 km (0.094 R)
• M6: 1,642,435 km (0.102 R)
• M7: 2,066,395 km (0.093 R)
• M8: 2,491,253 km (0.099 R)
• M9: 2,914,615 km (0.114 R)
• M10: 3,320,923 km (0.084 R)
• M11: 4,184,851 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.6

Radius: 13.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.92 AU - 1.16 AU

Year: 685 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,724,000 km

• M1: 189,391 km (0.05 R)
• M2: 620,682 km (0.058 R)
• M3: 1,130,511 km (0.111 R)
• M4: 2,033,933 km (0.115 R)
• M5: 2,485,120 km (0.093 R)
• M6: 3,388,990 km (0.04 R)
• M7: 3,910,488 km (0.087 R)
• M8: 4,388,304 km (0.095 R)
• M9: 5,632,210 km (0.092 R)
• M10: 6,162,834 km (0.051 R)
• M11: 6,662,341 km (0.06 R)
• M12: 8,006,628 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 10

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.02 AU - 1.06 AU

Year: 685 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,724,000 km

• M1: 125,064 km (0.111 R)
• M2: 919,129 km (0.094 R)
• M3: 1,250,638 km (0.103 R)
• M4: 1,575,565 km (0.087 R)
• M5: 2,068,939 km (0.034 R)
• M6: 2,420,643 km (0.112 R)
• M7: 3,162,948 km (0.097 R)
• M8: 3,581,223 km (0.116 R)
• M9: 4,759,606 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.11 AU - 2.43 AU

Year: 2208 Days

Day: 6.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,724,000 km

• M1: 185,352 km (0.091 R)
• M2: 768,933 km (0.079 R)
• M3: 1,237,324 km (0.113 R)
• M4: 2,167,524 km (0.114 R)
• M5: 3,221,441 km (0.095 R)
• M6: 5,215,879 km (0.105 R)
• M7: 6,304,503 km (0.097 R)
• M8: 8,310,910 km (0.107 R)
• M9: 10,488,307 km (0.117 R)
• M10: 11,449,922 km (0.102 R)
• M11: 12,680,813 km (0.105 R)
• M12: 13,638,239 km (0.096 R)
• M13: 16,192,922 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 14.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.46 AU - 6.4 AU

Year: 8170 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,724,000 km

• M1: 178,021 km (0.036 R)
• M2: 704,606 km (0.108 R)
• M3: 1,671,158 km (0.097 R)
• M4: 2,942,590 km (0.104 R)
• M5: 3,539,037 km (0.096 R)
• M6: 4,949,745 km (0.119 R)
• M7: 5,525,248 km (0.096 R)
• M8: 6,777,083 km (0.072 R)
• M9: 7,234,104 km (0.047 R)
• M10: 8,368,056 km (0.103 R)
• M11: 12,485,139 km (0.115 R)
• M12: 16,565,271 km (0.073 R)
• M13: 19,568,299 km (0.079 R)
• M14: 25,351,902 km (0.076 R)
• M15: 28,586,059 km (0.099 R)
• M16: 31,792,091 km (0.119 R)
• M17: 32,480,839 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572

Radius: 3.3

Gravity: 52.53 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.88 AU - 8.36 AU

Year: 12267 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 51,724,000 km

• M1: 41,139 km (0.113 R)
• M2: 176,825 km (0.083 R)
• M3: 928,554 km (0.067 R)
• M4: 1,069,625 km (0.11 R)
• M5: 1,237,474 km (0.101 R)
• M6: 1,436,439 km (0.105 R)
• M7: 2,237,984 km (0.075 R)
• M8: 2,595,822 km (0.102 R)
• M9: 2,701,588 km (0.067 R)
• M10: 3,059,875 km (0.112 R)
• M11: 3,348,748 km (0.05 R)
• M12: 3,735,010 km (0.092 R)
• M13: 3,980,500 km (0.115 R)
• M14: 4,383,816 km (0.038 R)
• M15: 5,441,174 km (0.107 R)
• M16: 5,615,006 km (0.114 R)
• M17: 5,900,888 km (0.072 R)
• M18: 8,733,972 km (0.096 R)
• M19: 9,662,826 km (0.095 R)
• M20: 10,709,712 km (0.084 R)
• M21: 10,927,825 km (0.119 R)
• M22: 16,725,790 km (0.104 R)
• M23: 17,167,403 km (0.087 R)
• M24: 19,251,301 km (0.085 R)
• M25: 19,573,685 km (0.081 R)
• M26: 20,814,898 km (0.065 R)
• M27: 23,088,786 km (0.102 R)
• M28: 26,403,575 km (0.105 R)
• M29: 27,813,835 km (0.081 R)
• M30: 28,851,296 km (0.101 R)
• M31: 32,799,782 km (0.104 R)
• M32: 33,723,549 km (0.084 R)
• M33: 34,546,038 km (0.041 R)
• M34: 34,783,450 km (0.092 R)
• M35: 40,548,952 km (0.063 R)
• M36: 43,934,202 km (0.108 R)
• M37: 44,773,895 km (0.12 R)
• M38: 44,914,816 km (0.118 R)
• M39: 47,064,986 km (0.109 R)
• M40: 51,414,544 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 15,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit