🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 9.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 12 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,172,651 km

• M1: 120,725 km (0.072 R)
• M2: 611,107 km (0.088 R)
• M3: 1,123,929 km (0.053 R)
• M4: 1,577,510 km (0.107 R)
• M5: 1,885,382 km (0.048 R)
• M6: 2,606,294 km (0.059 R)
• M7: 3,157,263 km (0.076 R)
• M8: 3,832,697 km (0.11 R)
• M9: 4,370,203 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 12.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,172,651 km

• M1: 155,432 km (0.046 R)
• M2: 561,441 km (0.034 R)
• M3: 991,535 km (0.097 R)
• M4: 1,382,434 km (0.093 R)
• M5: 2,128,927 km (0.118 R)
• M6: 2,639,056 km (0.118 R)
• M7: 3,052,844 km (0.103 R)
• M8: 3,498,047 km (0.105 R)
• M9: 3,934,723 km (0.05 R)
• M10: 4,365,715 km (0.075 R)
• M11: 5,307,583 km (0.096 R)
• M12: 5,733,937 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 13.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.68 AU - 0.9 AU

Year: 485 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,172,651 km

• M1: 169,345 km (0.035 R)
• M2: 687,103 km (0.064 R)
• M3: 1,361,789 km (0.038 R)
• M4: 2,604,200 km (0.083 R)
• M5: 3,636,275 km (0.094 R)
• M6: 4,584,128 km (0.12 R)
• M7: 5,101,886 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 13.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,172,651 km

• M1: 170,691 km (0.116 R)
• M2: 596,896 km (0.094 R)
• M3: 1,252,583 km (0.06 R)
• M4: 1,715,588 km (0.108 R)
• M5: 2,322,657 km (0.115 R)
• M6: 3,427,586 km (0.095 R)
• M7: 3,906,599 km (0.116 R)
• M8: 4,386,210 km (0.086 R)
• M9: 5,602,889 km (0.063 R)
• M10: 6,499,728 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 9.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.36 AU - 1.4 AU

Year: 1119 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,172,651 km

• M1: 114,592 km (0.095 R)
• M2: 458,368 km (0.109 R)
• M3: 777,011 km (0.095 R)
• M4: 1,148,164 km (0.108 R)
• M5: 1,701,227 km (0.116 R)
• M6: 2,030,342 km (0.067 R)
• M7: 2,507,260 km (0.116 R)
• M8: 3,232,660 km (0.04 R)
• M9: 3,603,214 km (0.086 R)
• M10: 4,821,539 km (0.075 R)
• M11: 6,294,630 km (0.082 R)
• M12: 6,663,837 km (0.092 R)
• M13: 7,765,476 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 11.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.28 AU - 1.8 AU

Year: 1319 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,172,651 km

• M1: 146,905 km (0.107 R)
• M2: 652,696 km (0.11 R)
• M3: 1,134,849 km (0.084 R)
• M4: 2,238,882 km (0.11 R)
• M5: 2,639,804 km (0.07 R)
• M6: 3,542,627 km (0.095 R)
• M7: 4,458,166 km (0.119 R)
• M8: 5,218,572 km (0.112 R)
• M9: 6,311,235 km (0.116 R)
• M10: 7,170,226 km (0.084 R)
• M11: 7,602,115 km (0.088 R)
• M12: 9,179,176 km (0.08 R)
• M13: 10,217,983 km (0.082 R)
• M14: 10,930,967 km (0.032 R)
• M15: 11,401,751 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.4

Radius: 12.3

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.61 AU - 3.75 AU

Year: 3914 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,172,651 km

• M1: 156,031 km (0.1 R)
• M2: 850,464 km (0.085 R)
• M3: 1,554,471 km (0.114 R)
• M4: 2,948,275 km (0.115 R)
• M5: 4,744,197 km (0.048 R)
• M6: 5,905,226 km (0.118 R)
• M7: 9,486,450 km (0.083 R)
• M8: 10,786,006 km (0.118 R)
• M9: 11,731,615 km (0.084 R)
• M10: 13,027,731 km (0.095 R)
• M11: 16,771,268 km (0.1 R)
• M12: 18,856,512 km (0.112 R)
• M13: 19,961,442 km (0.108 R)
• M14: 24,740,047 km (0.083 R)
• M15: 25,279,497 km (0.073 R)
• M16: 26,063,839 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.4

Radius: 10.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.53 AU - 3.59 AU

Year: 4636 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,172,651 km

• M1: 136,433 km (0.052 R)
• M2: 531,970 km (0.075 R)
• M3: 1,100,741 km (0.09 R)
• M4: 2,029,744 km (0.106 R)
• M5: 2,801,370 km (0.084 R)
• M6: 4,951,989 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.2

Radius: 9.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.64 AU - 4.14 AU

Year: 5296 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,172,651 km

• M1: 121,922 km (0.092 R)
• M2: 547,827 km (0.045 R)
• M3: 1,723,966 km (0.118 R)
• M4: 2,401,046 km (0.092 R)
• M5: 3,747,875 km (0.103 R)
• M6: 4,367,659 km (0.108 R)
• M7: 5,949,059 km (0.081 R)
• M8: 6,434,354 km (0.088 R)
• M9: 7,982,542 km (0.107 R)
• M10: 9,268,486 km (0.055 R)
• M11: 15,329,443 km (0.097 R)
• M12: 17,535,563 km (0.114 R)
• M13: 20,071,247 km (0.097 R)
• M14: 21,891,704 km (0.088 R)
• M15: 22,431,453 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 3.3

Gravity: 75.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.26 AU - 9.9 AU

Year: 15854 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,172,651 km

• M1: 73,901 km (0.118 R)
• M2: 357,240 km (0.054 R)
• M3: 538,104 km (0.116 R)
• M4: 1,327,532 km (0.085 R)
• M5: 2,525,362 km (0.106 R)
• M6: 2,855,225 km (0.045 R)
• M7: 3,804,573 km (0.068 R)
• M8: 5,889,818 km (0.12 R)
• M9: 6,510,200 km (0.115 R)
• M10: 9,428,855 km (0.117 R)
• M11: 11,170,473 km (0.057 R)
• M12: 21,302,288 km (0.071 R)
• M13: 26,168,108 km (0.062 R)
• M14: 27,156,053 km (0.09 R)
• M15: 28,282,525 km (0.088 R)
• M16: 28,396,967 km (0.111 R)
• M17: 43,098,698 km (0.05 R)
• M18: 43,250,091 km (0.1 R)
• M19: 51,282,599 km (0.084 R)
• M20: 53,522,677 km (0.108 R)
• M21: 56,007,049 km (0.118 R)
• M22: 57,277,584 km (0.116 R)
• M23: 60,442,925 km (0.062 R)
• M24: 62,746,134 km (0.035 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 20,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit