🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 9.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,906,468 km

• M1: 114,442 km (0.095 R)
• M2: 407,654 km (0.073 R)
• M3: 715,975 km (0.119 R)
• M4: 1,068,129 km (0.051 R)
• M5: 1,530,685 km (0.049 R)
• M6: 1,966,913 km (0.106 R)
• M7: 2,356,914 km (0.065 R)
• M8: 2,667,779 km (0.103 R)
• M9: 3,234,755 km (0.087 R)
• M10: 3,578,531 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 12.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,906,468 km

• M1: 156,330 km (0.117 R)
• M2: 581,038 km (0.114 R)
• M3: 1,364,033 km (0.12 R)
• M4: 1,800,410 km (0.087 R)
• M5: 2,773,395 km (0.102 R)
• M6: 3,332,592 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 12.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.84 AU - 3.52 AU

Year: 3914 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,906,468 km

• M1: 160,369 km (0.067 R)
• M2: 870,959 km (0.1 R)
• M3: 1,299,108 km (0.054 R)
• M4: 1,713,793 km (0.098 R)
• M5: 2,192,506 km (0.044 R)
• M6: 2,838,470 km (0.093 R)
• M7: 4,279,097 km (0.098 R)
• M8: 5,245,051 km (0.079 R)
• M9: 5,870,669 km (0.117 R)
• M10: 6,629,878 km (0.098 R)
• M11: 9,556,312 km (0.088 R)
• M12: 10,646,581 km (0.039 R)
• M13: 12,500,398 km (0.043 R)
• M14: 14,369,025 km (0.054 R)
• M15: 15,747,869 km (0.118 R)
• M16: 16,261,139 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 13.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.02 AU - 5.02 AU

Year: 7764 Days

Day: 8 Hours

Environment

Temp: -233 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,906,468 km

• M1: 172,935 km (0.107 R)
• M2: 710,291 km (0.096 R)
• M3: 1,167,611 km (0.093 R)
• M4: 4,806,580 km (0.081 R)
• M5: 5,309,976 km (0.049 R)
• M6: 6,081,004 km (0.098 R)
• M7: 6,707,221 km (0.088 R)
• M8: 11,936,863 km (0.105 R)
• M9: 16,729,829 km (0.113 R)
• M10: 17,753,079 km (0.069 R)
• M11: 20,150,534 km (0.093 R)
• M12: 22,756,678 km (0.106 R)
• M13: 27,775,089 km (0.044 R)
• M14: 32,746,376 km (0.103 R)
• M15: 33,274,007 km (0.092 R)
• M16: 35,000,815 km (0.104 R)
• M17: 37,701,805 km (0.1 R)
• M18: 38,867,172 km (0.045 R)
• M19: 39,936,498 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 9.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.88 AU - 6.14 AU

Year: 8928 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,906,468 km

• M1: 113,844 km (0.107 R)
• M2: 598,391 km (0.074 R)
• M3: 942,467 km (0.069 R)
• M4: 1,324,240 km (0.098 R)
• M5: 2,074,922 km (0.103 R)
• M6: 2,578,918 km (0.106 R)
• M7: 2,904,443 km (0.1 R)
• M8: 4,106,162 km (0.11 R)
• M9: 4,572,459 km (0.116 R)
• M10: 6,986,221 km (0.038 R)
• M11: 8,328,712 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747

Radius: 5.8

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.47 AU - 6.83 AU

Year: 9270 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,906,468 km

• M1: 72,106 km (0.076 R)
• M2: 271,221 km (0.042 R)
• M3: 475,572 km (0.11 R)
• M4: 786,436 km (0.068 R)
• M5: 1,014,573 km (0.108 R)
• M6: 1,508,246 km (0.065 R)
• M7: 1,817,165 km (0.101 R)
• M8: 2,368,284 km (0.117 R)
• M9: 2,621,852 km (0.049 R)
• M10: 3,047,159 km (0.097 R)
• M11: 3,744,136 km (0.114 R)
• M12: 6,926,980 km (0.102 R)
• M13: 9,987,303 km (0.097 R)
• M14: 10,650,471 km (0.1 R)
• M15: 11,396,815 km (0.05 R)
• M16: 11,671,775 km (0.072 R)
• M17: 12,639,524 km (0.115 R)
• M18: 14,411,960 km (0.088 R)
• M19: 17,845,979 km (0.111 R)
• M20: 18,744,464 km (0.071 R)
• M21: 21,704,407 km (0.063 R)
• M22: 24,141,356 km (0.074 R)
• M23: 24,961,751 km (0.057 R)
• M24: 25,332,305 km (0.093 R)
• M25: 25,989,638 km (0.037 R)
• M26: 27,338,263 km (0.112 R)
• M27: 30,383,926 km (0.102 R)
• M28: 44,558,324 km (0.118 R)
• M29: 45,791,459 km (0.098 R)
• M30: 46,486,192 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 17,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit