🌌 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: 595.6

Radius: 14.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,616,647 km

• M1: 181,761 km (0.11 R)
• M2: 690,544 km (0.091 R)
• M3: 1,175,690 km (0.114 R)
• M4: 1,953,748 km (0.106 R)
• M5: 2,518,779 km (0.031 R)
• M6: 3,202,591 km (0.118 R)
• M7: 3,906,150 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 9.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.83 AU - 1.01 AU

Year: 620 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,616,647 km

• M1: 121,922 km (0.045 R)
• M2: 434,582 km (0.071 R)
• M3: 755,619 km (0.089 R)
• M4: 1,301,053 km (0.043 R)
• M5: 1,644,380 km (0.074 R)
• M6: 2,022,114 km (0.096 R)
• M7: 2,437,548 km (0.074 R)
• M8: 2,819,172 km (0.119 R)
• M9: 3,557,886 km (0.067 R)
• M10: 4,137,877 km (0.049 R)
• M11: 5,363,981 km (0.081 R)
• M12: 5,700,726 km (0.039 R)
• M13: 6,280,717 km (0.076 R)
• M14: 6,715,748 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 14.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.01 AU - 1.57 AU

Year: 1030 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,616,647 km

• M1: 180,265 km (0.049 R)
• M2: 850,015 km (0.114 R)
• M3: 1,359,994 km (0.111 R)
• M4: 2,118,605 km (0.104 R)
• M5: 2,665,834 km (0.115 R)
• M6: 4,209,684 km (0.089 R)
• M7: 4,745,544 km (0.06 R)
• M8: 5,460,322 km (0.086 R)
• M9: 6,416,402 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.2

Radius: 10.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.07 AU - 1.73 AU

Year: 1164 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,616,647 km

• M1: 134,339 km (0.096 R)
• M2: 551,567 km (0.113 R)
• M3: 936,632 km (0.084 R)
• M4: 1,428,510 km (0.067 R)
• M5: 2,098,409 km (0.103 R)
• M6: 2,903,695 km (0.088 R)
• M7: 3,309,105 km (0.111 R)
• M8: 4,349,109 km (0.102 R)
• M9: 4,758,110 km (0.067 R)
• M10: 5,230,091 km (0.107 R)
• M11: 7,558,133 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 8.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.57 AU - 1.57 AU

Year: 1383 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,616,647 km

• M1: 106,962 km (0.101 R)
• M2: 378,632 km (0.098 R)
• M3: 663,317 km (0.111 R)
• M4: 1,279,211 km (0.094 R)
• M5: 1,595,611 km (0.09 R)
• M6: 1,980,526 km (0.042 R)
• M7: 2,740,035 km (0.104 R)
• M8: 3,668,738 km (0.04 R)
• M9: 4,485,842 km (0.111 R)
• M10: 5,099,791 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 12

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.28 AU - 3.62 AU

Year: 4504 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,616,647 km

• M1: 149,299 km (0.111 R)
• M2: 714,479 km (0.103 R)
• M3: 1,339,350 km (0.111 R)
• M4: 1,728,454 km (0.058 R)
• M5: 2,353,175 km (0.065 R)
• M6: 3,160,255 km (0.052 R)
• M7: 3,659,014 km (0.071 R)
• M8: 4,121,721 km (0.058 R)
• M9: 4,599,835 km (0.073 R)
• M10: 6,001,717 km (0.091 R)
• M11: 7,115,174 km (0.108 R)
• M12: 8,150,092 km (0.105 R)
• M13: 9,591,467 km (0.099 R)
• M14: 10,148,420 km (0.083 R)
• M15: 11,326,952 km (0.05 R)
• M16: 11,724,434 km (0.098 R)
• M17: 13,021,447 km (0.113 R)
• M18: 15,303,114 km (0.116 R)
• M19: 17,780,305 km (0.037 R)
• M20: 18,257,971 km (0.039 R)
• M21: 18,928,469 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 11.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.89 AU - 4.43 AU

Year: 4922 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,616,647 km

• M1: 144,362 km (0.051 R)
• M2: 587,770 km (0.118 R)
• M3: 1,072,168 km (0.063 R)
• M4: 2,092,276 km (0.061 R)
• M5: 2,641,300 km (0.079 R)
• M6: 4,498,707 km (0.038 R)
• M7: 4,932,391 km (0.082 R)
• M8: 6,806,404 km (0.086 R)
• M9: 7,225,876 km (0.1 R)
• M10: 7,662,403 km (0.105 R)
• M11: 13,608,619 km (0.12 R)
• M12: 15,166,382 km (0.071 R)
• M13: 15,988,272 km (0.103 R)
• M14: 16,410,288 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 10

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.68 AU - 3.78 AU

Year: 5064 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,616,647 km

• M1: 124,316 km (0.066 R)
• M2: 512,672 km (0.117 R)
• M3: 936,034 km (0.052 R)
• M4: 1,667,567 km (0.045 R)
• M5: 2,014,186 km (0.087 R)
• M6: 3,213,063 km (0.108 R)
• M7: 4,080,880 km (0.051 R)
• M8: 4,558,696 km (0.105 R)
• M9: 4,905,613 km (0.12 R)
• M10: 5,810,830 km (0.11 R)
• M11: 6,219,531 km (0.046 R)
• M12: 7,950,379 km (0.092 R)
• M13: 8,592,902 km (0.104 R)
• M14: 9,639,788 km (0.106 R)
• M15: 10,213,645 km (0.093 R)
• M16: 12,248,026 km (0.074 R)
• M17: 12,604,219 km (0.059 R)
• M18: 12,921,516 km (0.054 R)
• M19: 13,619,390 km (0.068 R)
• M20: 14,244,260 km (0.101 R)
• M21: 14,588,635 km (0.072 R)
• M22: 15,551,596 km (0.096 R)
• M23: 17,829,523 km (0.054 R)
• M24: 18,870,874 km (0.066 R)
• M25: 21,329,066 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 3.3

Gravity: 61.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.62 AU - 5.88 AU

Year: 9692 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,616,647 km

• M1: 40,990 km (0.099 R)
• M2: 214,523 km (0.043 R)
• M3: 326,423 km (0.08 R)
• M4: 517,010 km (0.073 R)
• M5: 725,998 km (0.047 R)
• M6: 957,726 km (0.08 R)
• M7: 1,188,705 km (0.095 R)
• M8: 1,596,060 km (0.087 R)
• M9: 1,699,731 km (0.098 R)
• M10: 1,887,776 km (0.098 R)
• M11: 2,846,548 km (0.095 R)
• M12: 3,181,199 km (0.118 R)
• M13: 7,960,402 km (0.085 R)
• M14: 8,530,968 km (0.114 R)
• M15: 8,895,538 km (0.075 R)
• M16: 10,051,182 km (0.115 R)
• M17: 24,337,629 km (0.095 R)
• M18: 25,161,763 km (0.068 R)
• M19: 30,080,990 km (0.047 R)
• M20: 30,500,163 km (0.108 R)
• M21: 39,346,634 km (0.115 R)
• M22: 39,722,124 km (0.076 R)
• M23: 42,025,632 km (0.081 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: 490 - 19,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit