🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 10.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.41 AU - 0.67 AU

Year: 265 Days

Day: 10.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,339,629 km

• M1: 135,685 km (0.029 R)
• M2: 543,788 km (0.039 R)
• M3: 1,116,898 km (0.081 R)
• M4: 1,461,422 km (0.056 R)
• M5: 1,871,769 km (0.098 R)
• M6: 2,481,081 km (0.113 R)
• M7: 3,208,575 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 8.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.59 AU - 0.62 AU

Year: 310 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,339,629 km

• M1: 127,906 km (0.065 R)
• M2: 439,369 km (0.096 R)
• M3: 735,274 km (0.09 R)
• M4: 1,228,199 km (0.104 R)
• M5: 1,760,917 km (0.105 R)
• M6: 2,286,753 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.63 AU - 1.05 AU

Year: 513 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,339,629 km

• M1: 112,049 km (0.066 R)
• M2: 497,263 km (0.064 R)
• M3: 1,175,839 km (0.044 R)
• M4: 1,883,587 km (0.07 R)
• M5: 2,363,048 km (0.1 R)
• M6: 2,801,519 km (0.105 R)
• M7: 3,371,637 km (0.073 R)
• M8: 3,781,086 km (0.119 R)
• M9: 4,464,150 km (0.064 R)
• M10: 4,958,721 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 13.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.05 AU - 1.17 AU

Year: 780 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,339,629 km

• M1: 167,101 km (0.111 R)
• M2: 612,005 km (0.118 R)
• M3: 1,111,811 km (0.109 R)
• M4: 2,048,743 km (0.098 R)
• M5: 2,531,196 km (0.096 R)
• M6: 3,078,275 km (0.108 R)
• M7: 3,822,674 km (0.117 R)
• M8: 4,562,286 km (0.071 R)
• M9: 4,982,806 km (0.104 R)
• M10: 5,566,836 km (0.118 R)
• M11: 6,365,689 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 8.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.69 AU - 2.67 AU

Year: 2146 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,339,629 km

• M1: 108,159 km (0.088 R)
• M2: 396,734 km (0.06 R)
• M3: 812,915 km (0.091 R)
• M4: 1,162,226 km (0.032 R)
• M5: 1,527,544 km (0.113 R)
• M6: 2,493,049 km (0.051 R)
• M7: 2,788,504 km (0.082 R)
• M8: 3,942,203 km (0.087 R)
• M9: 4,898,433 km (0.062 R)
• M10: 5,814,869 km (0.109 R)
• M11: 6,216,689 km (0.095 R)
• M12: 7,983,889 km (0.102 R)
• M13: 9,731,641 km (0.114 R)
• M14: 10,538,871 km (0.1 R)
• M15: 13,882,982 km (0.087 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 10.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.76 AU - 6.14 AU

Year: 8484 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,339,629 km

• M1: 190,588 km (0.104 R)
• M2: 617,540 km (0.086 R)
• M3: 1,064,838 km (0.05 R)
• M4: 1,724,564 km (0.081 R)
• M5: 2,852,233 km (0.115 R)
• M6: 6,428,669 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.1

Radius: 5.8

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.63 AU - 7.09 AU

Year: 10696 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,339,629 km

• M1: 72,106 km (0.079 R)
• M2: 342,430 km (0.108 R)
• M3: 603,478 km (0.097 R)
• M4: 836,252 km (0.094 R)
• M5: 1,034,320 km (0.077 R)
• M6: 1,541,008 km (0.033 R)
• M7: 1,812,079 km (0.116 R)
• M8: 2,621,852 km (0.106 R)
• M9: 2,821,565 km (0.094 R)
• M10: 3,274,099 km (0.07 R)
• M11: 3,458,852 km (0.11 R)
• M12: 3,874,585 km (0.06 R)
• M13: 5,167,110 km (0.116 R)
• M14: 5,482,164 km (0.079 R)
• M15: 8,099,827 km (0.067 R)
• M16: 8,525,283 km (0.096 R)
• M17: 11,135,766 km (0.081 R)
• M18: 12,649,846 km (0.032 R)
• M19: 14,604,343 km (0.119 R)
• M20: 15,043,412 km (0.051 R)
• M21: 17,302,340 km (0.083 R)
• M22: 18,150,710 km (0.106 R)
• M23: 19,324,604 km (0.063 R)
• M24: 19,701,591 km (0.077 R)
• M25: 20,006,621 km (0.057 R)
• M26: 21,499,159 km (0.071 R)
• M27: 24,352,589 km (0.075 R)
• M28: 24,615,881 km (0.101 R)
• M29: 28,698,706 km (0.033 R)
• M30: 30,491,636 km (0.099 R)
• M31: 35,974,398 km (0.056 R)
• M32: 39,367,278 km (0.06 R)
• M33: 41,577,138 km (0.046 R)
• M34: 41,827,714 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 6.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.18 AU - 7.16 AU

Year: 11487 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,339,629 km

• M1: 85,869 km (0.025 R)
• M2: 332,107 km (0.1 R)
• M3: 1,635,853 km (0.111 R)
• M4: 8,472,625 km (0.073 R)
• M5: 9,336,702 km (0.103 R)
• M6: 11,000,081 km (0.098 R)
• M7: 12,280,938 km (0.11 R)
• M8: 15,610,687 km (0.11 R)
• M9: 19,082,555 km (0.104 R)
• M10: 20,705,991 km (0.096 R)
• M11: 22,958,935 km (0.106 R)
• M12: 29,205,095 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.6

Radius: 3.4

Gravity: 51.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.09 AU - 7.33 AU

Year: 11591 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,339,629 km

• M1: 42,336 km (0.07 R)
• M2: 150,196 km (0.049 R)
• M3: 302,636 km (0.113 R)
• M4: 415,284 km (0.045 R)
• M5: 592,557 km (0.092 R)
• M6: 791,074 km (0.077 R)
• M7: 1,218,923 km (0.073 R)
• M8: 2,107,684 km (0.11 R)
• M9: 2,311,586 km (0.072 R)
• M10: 3,358,921 km (0.045 R)
• M11: 3,689,383 km (0.068 R)
• M12: 5,197,928 km (0.102 R)
• M13: 5,996,032 km (0.092 R)
• M14: 7,530,458 km (0.062 R)
• M15: 10,690,713 km (0.11 R)
• M16: 12,087,658 km (0.113 R)
• M17: 12,981,804 km (0.071 R)
• M18: 14,568,439 km (0.084 R)
• M19: 14,967,566 km (0.075 R)
• M20: 15,102,204 km (0.083 R)
• M21: 17,220,510 km (0.088 R)
• M22: 22,208,851 km (0.077 R)
• M23: 25,314,652 km (0.119 R)
• M24: 27,070,483 km (0.114 R)
• M25: 35,620,001 km (0.101 R)
• M26: 39,592,572 km (0.113 R)
• M27: 43,029,883 km (0.073 R)
• M28: 46,374,592 km (0.099 R)
• M29: 47,381,685 km (0.049 R)
• M30: 47,672,204 km (0.117 R)
• M31: 47,817,763 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 12,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit