🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 11.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,244,747 km

• M1: 144,212 km (0.106 R)
• M2: 506,838 km (0.039 R)
• M3: 868,565 km (0.076 R)
• M4: 1,272,479 km (0.12 R)
• M5: 1,700,180 km (0.033 R)
• M6: 2,167,224 km (0.112 R)
• M7: 2,561,564 km (0.104 R)
• M8: 2,933,614 km (0.115 R)
• M9: 3,520,337 km (0.113 R)
• M10: 3,896,875 km (0.04 R)
• M11: 4,432,286 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 10.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.76 AU - 2.14 AU

Year: 1816 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,244,747 km

• M1: 125,662 km (0.049 R)
• M2: 589,565 km (0.104 R)
• M3: 1,904,979 km (0.028 R)
• M4: 2,475,246 km (0.07 R)
• M5: 2,831,140 km (0.108 R)
• M6: 3,807,266 km (0.11 R)
• M7: 4,252,319 km (0.086 R)
• M8: 5,173,842 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 10

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.08 AU - 3.14 AU

Year: 2812 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,244,747 km

• M1: 124,316 km (0.057 R)
• M2: 879,935 km (0.091 R)
• M3: 1,296,415 km (0.071 R)
• M4: 1,763,609 km (0.092 R)
• M5: 2,234,543 km (0.114 R)
• M6: 2,954,109 km (0.076 R)
• M7: 3,787,519 km (0.074 R)
• M8: 4,332,654 km (0.095 R)
• M9: 4,849,365 km (0.04 R)
• M10: 6,406,080 km (0.111 R)
• M11: 7,259,386 km (0.092 R)
• M12: 8,649,300 km (0.093 R)
• M13: 9,007,737 km (0.063 R)
• M14: 9,595,656 km (0.026 R)
• M15: 11,371,533 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.8

Radius: 7.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.29 AU - 6.43 AU

Year: 9460 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,244,747 km

• M1: 95,892 km (0.109 R)
• M2: 570,117 km (0.086 R)
• M3: 850,314 km (0.115 R)
• M4: 1,370,616 km (0.077 R)
• M5: 1,901,389 km (0.088 R)
• M6: 9,891,411 km (0.065 R)
• M7: 11,178,402 km (0.075 R)
• M8: 12,903,864 km (0.078 R)
• M9: 13,879,990 km (0.086 R)
• M10: 14,643,687 km (0.12 R)
• M11: 24,175,166 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.9

Radius: 6.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.39 AU - 6.43 AU

Year: 9581 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,244,747 km

• M1: 86,019 km (0.083 R)
• M2: 311,463 km (0.091 R)
• M3: 1,415,944 km (0.107 R)
• M4: 1,916,050 km (0.117 R)
• M5: 2,158,099 km (0.106 R)
• M6: 2,481,679 km (0.104 R)
• M7: 3,009,909 km (0.099 R)
• M8: 3,511,660 km (0.067 R)
• M9: 4,111,398 km (0.071 R)
• M10: 4,516,659 km (0.108 R)
• M11: 5,433,245 km (0.061 R)
• M12: 5,755,628 km (0.068 R)
• M13: 9,524,896 km (0.108 R)
• M14: 9,875,404 km (0.064 R)
• M15: 10,519,722 km (0.101 R)
• M16: 12,071,651 km (0.083 R)
• M17: 12,344,367 km (0.062 R)
• M18: 12,808,121 km (0.092 R)
• M19: 13,235,372 km (0.091 R)
• M20: 15,355,623 km (0.095 R)
• M21: 19,812,892 km (0.065 R)
• M22: 20,448,533 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 3.9

Gravity: 31.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.44 AU - 8.46 AU

Year: 13560 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,244,747 km

• M1: 48,919 km (0.1 R)
• M2: 214,673 km (0.054 R)
• M3: 519,404 km (0.117 R)
• M4: 968,197 km (0.098 R)
• M5: 1,351,168 km (0.099 R)
• M6: 2,896,963 km (0.111 R)
• M7: 4,150,743 km (0.098 R)
• M8: 4,721,758 km (0.069 R)
• M9: 4,848,317 km (0.119 R)
• M10: 5,141,380 km (0.034 R)
• M11: 5,411,703 km (0.062 R)
• M12: 6,279,969 km (0.12 R)
• M13: 7,882,312 km (0.039 R)
• M14: 8,565,226 km (0.105 R)
• M15: 11,463,685 km (0.083 R)
• M16: 11,808,358 km (0.1 R)
• M17: 13,007,535 km (0.094 R)
• M18: 15,644,796 km (0.09 R)
• M19: 21,596,697 km (0.037 R)
• M20: 21,858,493 km (0.114 R)
• M21: 22,034,121 km (0.07 R)
• M22: 30,291,624 km (0.102 R)
• M23: 33,678,370 km (0.106 R)
• M24: 37,811,759 km (0.111 R)
• M25: 38,702,764 km (0.036 R)
• M26: 44,908,982 km (0.089 R)
• M27: 47,950,157 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.4

Radius: 3.2

Gravity: 25.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.09 AU - 8.83 AU

Year: 16409 Days

Day: 17 Hours

Environment

Temp: -241 °C

Axial Tilt: 112.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,244,747 km

• M1: 41,439 km (0.063 R)
• M2: 1,064,389 km (0.101 R)
• M3: 1,302,698 km (0.097 R)
• M4: 2,160,193 km (0.048 R)
• M5: 3,560,429 km (0.071 R)
• M6: 4,981,011 km (0.072 R)
• M7: 5,641,934 km (0.117 R)
• M8: 6,138,001 km (0.068 R)
• M9: 6,585,897 km (0.088 R)
• M10: 7,504,577 km (0.05 R)
• M11: 13,523,947 km (0.102 R)
• M12: 14,024,950 km (0.07 R)
• M13: 17,220,061 km (0.074 R)
• M14: 21,368,111 km (0.037 R)
• M15: 26,521,309 km (0.1 R)
• M16: 29,331,355 km (0.055 R)
• M17: 30,169,103 km (0.041 R)
• M18: 36,007,609 km (0.106 R)
• M19: 39,695,945 km (0.105 R)
• M20: 44,035,180 km (0.068 R)
• M21: 46,813,063 km (0.082 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: 419 - 20,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit