🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.65 AU - 0.85 AU

Year: 413 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,773,888 km

• M1: 99,483 km (0.085 R)
• M2: 353,201 km (0.045 R)
• M3: 962,363 km (0.113 R)
• M4: 1,784,852 km (0.08 R)
• M5: 2,278,226 km (0.031 R)
• M6: 2,562,013 km (0.116 R)
• M7: 2,960,392 km (0.073 R)
• M8: 3,234,007 km (0.114 R)
• M9: 3,490,268 km (0.098 R)
• M10: 3,918,567 km (0.048 R)
• M11: 4,328,315 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 10.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.78 AU - 1.26 AU

Year: 655 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,773,888 km

• M1: 128,056 km (0.084 R)
• M2: 471,084 km (0.067 R)
• M3: 1,121,236 km (0.098 R)
• M4: 1,604,288 km (0.076 R)
• M5: 1,976,786 km (0.071 R)
• M6: 2,325,948 km (0.11 R)
• M7: 3,052,395 km (0.089 R)
• M8: 3,416,367 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 9.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.08 AU - 1.4 AU

Year: 878 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,773,888 km

• M1: 115,789 km (0.096 R)
• M2: 408,402 km (0.083 R)
• M3: 824,135 km (0.092 R)
• M4: 1,369,419 km (0.088 R)
• M5: 1,783,655 km (0.11 R)
• M6: 2,854,627 km (0.044 R)
• M7: 3,536,643 km (0.1 R)
• M8: 3,850,051 km (0.1 R)
• M9: 5,294,867 km (0.12 R)
• M10: 6,079,059 km (0.078 R)
• M11: 6,636,461 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.1

Radius: 13.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.2 AU - 1.3 AU

Year: 889 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,773,888 km

• M1: 177,573 km (0.072 R)
• M2: 696,228 km (0.056 R)
• M3: 1,111,811 km (0.104 R)
• M4: 1,614,610 km (0.081 R)
• M5: 2,862,555 km (0.096 R)
• M6: 4,027,175 km (0.06 R)
• M7: 4,731,781 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.3

Radius: 8.2

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.46 AU - 3.08 AU

Year: 2931 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,773,888 km

• M1: 102,026 km (0.112 R)
• M2: 664,514 km (0.089 R)
• M3: 1,556,267 km (0.066 R)
• M4: 1,863,690 km (0.097 R)
• M5: 2,633,521 km (0.064 R)
• M6: 3,320,624 km (0.092 R)
• M7: 3,677,116 km (0.051 R)
• M8: 4,038,395 km (0.068 R)
• M9: 4,785,785 km (0.072 R)
• M10: 6,964,080 km (0.119 R)
• M11: 8,303,131 km (0.051 R)
• M12: 10,944,431 km (0.063 R)
• M13: 16,172,876 km (0.08 R)
• M14: 17,869,914 km (0.089 R)
• M15: 20,851,998 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 14.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.01 AU - 3.49 AU

Year: 3725 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,773,888 km

• M1: 178,021 km (0.094 R)
• M2: 952,789 km (0.087 R)
• M3: 1,715,738 km (0.073 R)
• M4: 2,436,949 km (0.111 R)
• M5: 5,451,646 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.4

Radius: 4.2

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.17 AU - 11.51 AU

Year: 21140 Days

Day: 16.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,773,888 km

• M1: 63,729 km (0.112 R)
• M2: 211,980 km (0.059 R)
• M3: 390,899 km (0.105 R)
• M4: 575,054 km (0.1 R)
• M5: 984,055 km (0.113 R)
• M6: 1,717,982 km (0.086 R)
• M7: 1,862,793 km (0.058 R)
• M8: 3,305,664 km (0.113 R)
• M9: 3,473,513 km (0.036 R)
• M10: 3,979,902 km (0.035 R)
• M11: 4,234,667 km (0.12 R)
• M12: 4,883,174 km (0.052 R)
• M13: 5,249,838 km (0.065 R)
• M14: 6,417,449 km (0.113 R)
• M15: 7,602,414 km (0.031 R)
• M16: 8,400,070 km (0.082 R)
• M17: 9,033,767 km (0.08 R)
• M18: 16,885,560 km (0.091 R)
• M19: 17,300,096 km (0.12 R)
• M20: 18,149,662 km (0.119 R)
• M21: 18,409,813 km (0.071 R)
• M22: 19,294,984 km (0.035 R)
• M23: 19,748,116 km (0.051 R)
• M24: 20,301,179 km (0.085 R)
• M25: 33,122,913 km (0.09 R)
• M26: 33,511,419 km (0.114 R)
• M27: 37,425,498 km (0.037 R)
• M28: 38,842,788 km (0.086 R)
• M29: 47,939,685 km (0.046 R)
• M30: 48,104,990 km (0.085 R)
• M31: 48,937,353 km (0.054 R)
• M32: 54,853,201 km (0.04 R)
• M33: 64,996,834 km (0.099 R)
• M34: 65,809,450 km (0.102 R)
• M35: 69,550,294 km (0.083 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: 231 - 11,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit