🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.1

Radius: 11.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,902,105 km

• M1: 145,708 km (0.047 R)
• M2: 535,560 km (0.062 R)
• M3: 969,544 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 9.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.76 AU - 0.78 AU

Year: 466 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,902,105 km

• M1: 121,922 km (0.076 R)
• M2: 431,291 km (0.118 R)
• M3: 1,028,934 km (0.119 R)
• M4: 1,544,448 km (0.115 R)
• M5: 1,852,770 km (0.099 R)
• M6: 2,398,203 km (0.081 R)
• M7: 2,780,127 km (0.09 R)
• M8: 3,332,592 km (0.086 R)
• M9: 3,711,074 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 12

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.65 AU - 0.93 AU

Year: 485 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,902,105 km

• M1: 149,299 km (0.042 R)
• M2: 783,145 km (0.085 R)
• M3: 1,312,273 km (0.1 R)
• M4: 1,733,839 km (0.094 R)
• M5: 2,131,470 km (0.107 R)
• M6: 2,751,554 km (0.093 R)
• M7: 3,190,175 km (0.074 R)
• M8: 4,968,295 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 11

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.7 AU - 2.16 AU

Year: 1851 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,902,105 km

• M1: 142,567 km (0.092 R)
• M2: 525,687 km (0.073 R)
• M3: 995,873 km (0.06 R)
• M4: 1,353,562 km (0.098 R)
• M5: 2,293,635 km (0.089 R)
• M6: 2,889,333 km (0.118 R)
• M7: 3,321,372 km (0.095 R)
• M8: 5,110,862 km (0.056 R)
• M9: 5,981,671 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.5

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.49 AU - 2.83 AU

Year: 2995 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,902,105 km

• M1: 180,116 km (0.094 R)
• M2: 723,156 km (0.12 R)
• M3: 1,441,824 km (0.052 R)
• M4: 1,913,656 km (0.087 R)
• M5: 2,386,086 km (0.052 R)
• M6: 3,291,901 km (0.081 R)
• M7: 4,337,889 km (0.112 R)
• M8: 5,950,405 km (0.111 R)
• M9: 6,839,914 km (0.081 R)
• M10: 7,386,844 km (0.096 R)
• M11: 8,111,496 km (0.074 R)
• M12: 10,254,485 km (0.083 R)
• M13: 10,899,402 km (0.112 R)
• M14: 11,839,774 km (0.062 R)
• M15: 12,590,157 km (0.106 R)
• M16: 13,288,180 km (0.091 R)
• M17: 13,839,299 km (0.11 R)
• M18: 14,405,677 km (0.111 R)
• M19: 14,942,135 km (0.074 R)
• M20: 15,631,482 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.6

Radius: 3

Gravity: 33.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.75 AU - 10.57 AU

Year: 17591 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,902,105 km

• M1: 37,848 km (0.086 R)
• M2: 135,685 km (0.116 R)
• M3: 350,807 km (0.117 R)
• M4: 655,687 km (0.083 R)
• M5: 863,329 km (0.119 R)
• M6: 1,721,273 km (0.087 R)
• M7: 1,902,735 km (0.057 R)
• M8: 2,208,065 km (0.119 R)
• M9: 3,981,996 km (0.1 R)
• M10: 4,449,041 km (0.063 R)
• M11: 4,951,540 km (0.113 R)
• M12: 5,049,826 km (0.037 R)
• M13: 5,284,246 km (0.061 R)
• M14: 5,387,019 km (0.091 R)
• M15: 6,805,207 km (0.103 R)
• M16: 7,258,189 km (0.027 R)
• M17: 7,556,637 km (0.05 R)
• M18: 9,222,110 km (0.087 R)
• M19: 9,321,144 km (0.112 R)
• M20: 9,879,144 km (0.095 R)
• M21: 10,139,893 km (0.084 R)
• M22: 11,285,663 km (0.083 R)
• M23: 11,456,055 km (0.088 R)
• M24: 11,977,703 km (0.076 R)
• M25: 13,573,164 km (0.093 R)
• M26: 13,830,622 km (0.041 R)
• M27: 14,824,999 km (0.119 R)
• M28: 19,604,951 km (0.084 R)
• M29: 22,428,910 km (0.108 R)
• M30: 22,879,199 km (0.106 R)
• M31: 29,829,815 km (0.066 R)
• M32: 33,662,214 km (0.109 R)
• M33: 36,063,259 km (0.099 R)
• M34: 36,805,115 km (0.025 R)
• M35: 42,149,350 km (0.093 R)
• M36: 46,226,490 km (0.084 R)
• M37: 50,404,908 km (0.064 R)
• M38: 52,902,145 km (0.097 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: 370 - 14,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit