🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 14.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.58 AU - 3.16 AU

Year: 3139 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,132,482 km

• M1: 185,352 km (0.1 R)
• M2: 1,182,422 km (0.081 R)
• M3: 2,282,415 km (0.115 R)
• M4: 2,927,331 km (0.118 R)
• M5: 3,603,364 km (0.057 R)
• M6: 4,525,784 km (0.086 R)
• M7: 5,179,078 km (0.116 R)
• M8: 6,225,216 km (0.12 R)
• M9: 6,951,364 km (0.09 R)
• M10: 8,606,216 km (0.094 R)
• M11: 9,858,948 km (0.12 R)
• M12: 12,349,753 km (0.066 R)
• M13: 13,324,234 km (0.106 R)
• M14: 14,904,735 km (0.068 R)
• M15: 17,479,314 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 12.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.39 AU - 3.87 AU

Year: 4466 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,132,482 km

• M1: 160,519 km (0.076 R)
• M2: 635,492 km (0.082 R)
• M3: 1,242,710 km (0.063 R)
• M4: 3,528,565 km (0.027 R)
• M5: 5,833,719 km (0.083 R)
• M6: 6,382,444 km (0.112 R)
• M7: 8,238,205 km (0.066 R)
• M8: 9,899,639 km (0.116 R)
• M9: 10,306,396 km (0.114 R)
• M10: 11,372,879 km (0.098 R)
• M11: 15,992,910 km (0.082 R)
• M12: 16,839,933 km (0.032 R)
• M13: 20,333,492 km (0.117 R)
• M14: 22,632,961 km (0.083 R)
• M15: 23,341,157 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 14

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.29 AU - 4.91 AU

Year: 5360 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,132,482 km

• M1: 174,880 km (0.11 R)
• M2: 933,640 km (0.069 R)
• M3: 1,416,093 km (0.08 R)
• M4: 2,466,869 km (0.103 R)
• M5: 3,548,162 km (0.111 R)
• M6: 4,197,267 km (0.115 R)
• M7: 5,140,033 km (0.077 R)
• M8: 6,126,631 km (0.119 R)
• M9: 8,247,031 km (0.109 R)
• M10: 9,186,656 km (0.069 R)
• M11: 11,419,553 km (0.105 R)
• M12: 12,387,152 km (0.042 R)
• M13: 13,779,161 km (0.066 R)
• M14: 14,932,261 km (0.098 R)
• M15: 15,911,978 km (0.107 R)
• M16: 17,999,616 km (0.083 R)
• M17: 24,477,204 km (0.108 R)
• M18: 27,760,877 km (0.044 R)
• M19: 28,976,509 km (0.06 R)
• M20: 29,686,949 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 9.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.9 AU - 5.24 AU

Year: 6308 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,132,482 km

• M1: 114,442 km (0.09 R)
• M2: 528,828 km (0.06 R)
• M3: 1,647,821 km (0.079 R)
• M4: 2,835,478 km (0.094 R)
• M5: 3,937,266 km (0.069 R)
• M6: 4,252,768 km (0.091 R)
• M7: 4,722,954 km (0.096 R)
• M8: 5,177,882 km (0.12 R)
• M9: 9,408,509 km (0.075 R)
• M10: 10,524,210 km (0.108 R)
• M11: 12,248,924 km (0.081 R)
• M12: 12,696,670 km (0.089 R)
• M13: 14,547,944 km (0.09 R)
• M14: 17,850,766 km (0.113 R)
• M15: 21,493,175 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 13.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.88 AU - 6.22 AU

Year: 7327 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,132,482 km

• M1: 171,589 km (0.032 R)
• M2: 960,418 km (0.042 R)
• M3: 2,775,788 km (0.117 R)
• M4: 3,362,811 km (0.115 R)
• M5: 4,767,834 km (0.101 R)
• M6: 6,853,228 km (0.087 R)
• M7: 9,693,643 km (0.046 R)
• M8: 10,145,428 km (0.116 R)
• M9: 15,377,913 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.6

Radius: 3.5

Gravity: 23.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.9 AU - 9.56 AU

Year: 18106 Days

Day: 24.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 70.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,132,482 km

• M1: 43,533 km (0.059 R)
• M2: 183,108 km (0.096 R)
• M3: 715,078 km (0.089 R)
• M4: 903,272 km (0.094 R)
• M5: 1,849,179 km (0.113 R)
• M6: 2,438,744 km (0.063 R)
• M7: 3,216,953 km (0.112 R)
• M8: 5,044,291 km (0.083 R)
• M9: 7,127,291 km (0.104 R)
• M10: 9,467,002 km (0.082 R)
• M11: 10,946,824 km (0.111 R)
• M12: 12,452,826 km (0.051 R)
• M13: 12,757,407 km (0.115 R)
• M14: 15,655,866 km (0.032 R)
• M15: 17,559,648 km (0.045 R)
• M16: 19,286,457 km (0.083 R)
• M17: 19,776,390 km (0.054 R)
• M18: 20,358,325 km (0.107 R)
• M19: 24,947,390 km (0.08 R)
• M20: 26,618,099 km (0.104 R)
• M21: 28,466,680 km (0.034 R)
• M22: 30,289,530 km (0.049 R)
• M23: 38,231,681 km (0.101 R)
• M24: 39,918,097 km (0.116 R)
• M25: 47,602,790 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 17,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit