🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 14.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.78 AU - 0.96 AU

Year: 550 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,213,190 km

• M1: 183,407 km (0.089 R)
• M2: 681,269 km (0.107 R)
• M3: 1,186,610 km (0.062 R)
• M4: 1,872,217 km (0.085 R)
• M5: 2,437,398 km (0.043 R)
• M6: 2,913,119 km (0.115 R)
• M7: 3,473,962 km (0.109 R)
• M8: 4,498,258 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.3

Radius: 11.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.04 AU - 1.42 AU

Year: 925 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,213,190 km

• M1: 140,622 km (0.093 R)
• M2: 566,527 km (0.114 R)
• M3: 952,340 km (0.098 R)
• M4: 1,324,689 km (0.113 R)
• M5: 1,686,716 km (0.068 R)
• M6: 2,194,601 km (0.064 R)
• M7: 3,071,543 km (0.029 R)
• M8: 3,520,935 km (0.104 R)
• M9: 3,953,872 km (0.07 R)
• M10: 4,438,419 km (0.102 R)
• M11: 5,015,269 km (0.081 R)
• M12: 5,993,938 km (0.116 R)
• M13: 6,402,639 km (0.092 R)
• M14: 6,873,723 km (0.036 R)
• M15: 8,503,293 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 12.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.52 AU - 1.58 AU

Year: 1309 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,213,190 km

• M1: 150,645 km (0.046 R)
• M2: 780,751 km (0.095 R)
• M3: 1,308,533 km (0.096 R)
• M4: 1,787,844 km (0.118 R)
• M5: 2,164,382 km (0.092 R)
• M6: 2,582,658 km (0.027 R)
• M7: 2,961,290 km (0.033 R)
• M8: 3,722,893 km (0.119 R)
• M9: 5,057,306 km (0.081 R)
• M10: 6,301,362 km (0.108 R)
• M11: 6,711,708 km (0.056 R)
• M12: 7,535,993 km (0.116 R)
• M13: 8,785,285 km (0.103 R)
• M14: 9,922,827 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 9.1

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.74 AU - 1.96 AU

Year: 1707 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,213,190 km

• M1: 113,545 km (0.034 R)
• M2: 411,993 km (0.111 R)
• M3: 715,676 km (0.072 R)
• M4: 1,208,601 km (0.081 R)
• M5: 1,557,463 km (0.064 R)
• M6: 2,382,346 km (0.068 R)
• M7: 3,630,292 km (0.118 R)
• M8: 4,130,248 km (0.117 R)
• M9: 5,476,329 km (0.06 R)
• M10: 5,835,963 km (0.097 R)
• M11: 7,579,975 km (0.056 R)
• M12: 9,889,766 km (0.103 R)
• M13: 10,496,834 km (0.094 R)
• M14: 12,143,607 km (0.056 R)
• M15: 12,591,204 km (0.101 R)
• M16: 15,606,199 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.1

Radius: 14.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.13 AU - 2.67 AU

Year: 2522 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,213,190 km

• M1: 175,478 km (0.065 R)
• M2: 787,334 km (0.054 R)
• M3: 2,116,810 km (0.119 R)
• M4: 2,896,065 km (0.075 R)
• M5: 3,353,685 km (0.115 R)
• M6: 4,798,053 km (0.086 R)
• M7: 5,557,411 km (0.056 R)
• M8: 7,152,873 km (0.082 R)
• M9: 9,004,296 km (0.098 R)
• M10: 9,554,517 km (0.097 R)
• M11: 10,404,682 km (0.103 R)
• M12: 11,378,863 km (0.084 R)
• M13: 14,231,395 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 11

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.55 AU - 2.71 AU

Year: 2893 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,213,190 km

• M1: 136,882 km (0.104 R)
• M2: 541,395 km (0.06 R)
• M3: 973,134 km (0.099 R)
• M4: 1,507,797 km (0.095 R)
• M5: 2,136,856 km (0.042 R)
• M6: 3,374,030 km (0.11 R)
• M7: 4,064,275 km (0.05 R)
• M8: 4,775,463 km (0.114 R)
• M9: 8,267,826 km (0.117 R)
• M10: 10,692,957 km (0.042 R)
• M11: 11,440,796 km (0.045 R)
• M12: 12,002,387 km (0.053 R)
• M13: 12,672,884 km (0.115 R)
• M14: 13,227,294 km (0.112 R)
• M15: 14,335,066 km (0.108 R)
• M16: 15,871,436 km (0.11 R)
• M17: 17,914,195 km (0.115 R)
• M18: 18,849,631 km (0.115 R)
• M19: 21,590,114 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 9.3

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.79 AU - 2.89 AU

Year: 3246 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,213,190 km

• M1: 125,213 km (0.119 R)
• M2: 432,188 km (0.115 R)
• M3: 727,943 km (0.083 R)
• M4: 1,034,020 km (0.064 R)
• M5: 1,489,546 km (0.079 R)
• M6: 1,897,200 km (0.035 R)
• M7: 3,378,518 km (0.069 R)
• M8: 3,861,420 km (0.053 R)
• M9: 5,410,656 km (0.12 R)
• M10: 5,828,483 km (0.116 R)
• M11: 9,682,124 km (0.062 R)
• M12: 10,738,434 km (0.109 R)
• M13: 12,087,508 km (0.12 R)
• M14: 12,848,662 km (0.095 R)
• M15: 17,085,423 km (0.069 R)
• M16: 17,815,012 km (0.084 R)
• M17: 18,741,172 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 11.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.75 AU - 3.21 AU

Year: 3489 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,213,190 km

• M1: 143,016 km (0.048 R)
• M2: 565,480 km (0.094 R)
• M3: 1,050,775 km (0.079 R)
• M4: 1,611,468 km (0.066 R)
• M5: 2,724,925 km (0.1 R)
• M6: 3,472,466 km (0.115 R)
• M7: 5,023,796 km (0.095 R)
• M8: 7,376,821 km (0.114 R)
• M9: 10,704,326 km (0.03 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 9.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.65 AU - 4.39 AU

Year: 4479 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,213,190 km

• M1: 118,182 km (0.07 R)
• M2: 511,176 km (0.116 R)
• M3: 816,804 km (0.119 R)
• M4: 1,233,285 km (0.089 R)
• M5: 1,712,746 km (0.066 R)
• M6: 2,020,918 km (0.061 R)
• M7: 2,796,882 km (0.106 R)
• M8: 3,594,238 km (0.089 R)
• M9: 6,378,105 km (0.11 R)
• M10: 8,573,753 km (0.081 R)
• M11: 9,734,633 km (0.07 R)
• M12: 11,951,823 km (0.105 R)
• M13: 12,746,038 km (0.108 R)
• M14: 14,300,659 km (0.11 R)
• M15: 16,127,548 km (0.1 R)
• M16: 17,728,993 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit