🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 10

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.57 AU - 0.67 AU

Year: 337 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,682,170 km

• M1: 124,914 km (0.053 R)
• M2: 463,454 km (0.064 R)
• M3: 787,633 km (0.103 R)
• M4: 1,425,518 km (0.045 R)
• M5: 2,079,410 km (0.081 R)
• M6: 2,941,543 km (0.098 R)
• M7: 3,470,371 km (0.112 R)
• M8: 3,931,282 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.61 AU - 0.89 AU

Year: 448 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,682,170 km

• M1: 181,612 km (0.092 R)
• M2: 657,483 km (0.119 R)
• M3: 1,438,384 km (0.109 R)
• M4: 1,959,134 km (0.034 R)
• M5: 2,826,203 km (0.114 R)
• M6: 3,574,043 km (0.113 R)
• M7: 5,056,109 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 12.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,682,170 km

• M1: 150,495 km (0.108 R)
• M2: 751,580 km (0.06 R)
• M3: 1,138,889 km (0.084 R)
• M4: 1,583,942 km (0.114 R)
• M5: 1,993,840 km (0.096 R)
• M6: 2,376,362 km (0.113 R)
• M7: 2,838,470 km (0.09 R)
• M8: 3,521,085 km (0.091 R)
• M9: 4,378,131 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 9.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.76 AU - 0.98 AU

Year: 560 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,682,170 km

• M1: 123,867 km (0.106 R)
• M2: 622,626 km (0.084 R)
• M3: 971,489 km (0.037 R)
• M4: 1,288,935 km (0.114 R)
• M5: 2,258,629 km (0.08 R)
• M6: 4,202,653 km (0.104 R)
• M7: 4,591,607 km (0.042 R)
• M8: 5,211,990 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 10.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.48 AU

Year: 1107 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,682,170 km

• M1: 201,359 km (0.118 R)
• M2: 575,353 km (0.092 R)
• M3: 969,693 km (0.1 R)
• M4: 1,531,882 km (0.085 R)
• M5: 2,154,359 km (0.095 R)
• M6: 2,661,795 km (0.088 R)
• M7: 3,108,793 km (0.042 R)
• M8: 3,469,923 km (0.108 R)
• M9: 4,215,967 km (0.112 R)
• M10: 5,366,824 km (0.114 R)
• M11: 6,243,168 km (0.102 R)
• M12: 6,736,991 km (0.098 R)
• M13: 7,212,263 km (0.044 R)
• M14: 7,967,134 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 14.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.61 AU - 3.39 AU

Year: 3587 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,682,170 km

• M1: 178,919 km (0.047 R)
• M2: 681,269 km (0.039 R)
• M3: 1,557,763 km (0.09 R)
• M4: 2,090,780 km (0.095 R)
• M5: 2,563,210 km (0.039 R)
• M6: 3,450,475 km (0.105 R)
• M7: 4,175,576 km (0.072 R)
• M8: 5,268,538 km (0.075 R)
• M9: 7,031,250 km (0.08 R)
• M10: 8,231,473 km (0.11 R)
• M11: 9,293,319 km (0.117 R)
• M12: 10,192,851 km (0.115 R)
• M13: 14,157,643 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 14.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.4 AU - 3.7 AU

Year: 3677 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,682,170 km

• M1: 177,872 km (0.09 R)
• M2: 692,339 km (0.059 R)
• M3: 1,289,234 km (0.051 R)
• M4: 2,057,120 km (0.054 R)
• M5: 3,185,238 km (0.11 R)
• M6: 3,778,992 km (0.073 R)
• M7: 4,272,216 km (0.098 R)
• M8: 4,973,381 km (0.082 R)
• M9: 8,099,528 km (0.113 R)
• M10: 8,713,777 km (0.065 R)
• M11: 16,904,410 km (0.116 R)
• M12: 18,253,932 km (0.079 R)
• M13: 21,358,686 km (0.063 R)
• M14: 21,810,622 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.5

Radius: 3

Gravity: 90.28 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.69 AU - 6.43 AU

Year: 9049 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,682,170 km

• M1: 42,935 km (0.11 R)
• M2: 508,782 km (0.107 R)
• M3: 684,859 km (0.117 R)
• M4: 1,135,298 km (0.113 R)
• M5: 1,369,868 km (0.081 R)
• M6: 1,726,509 km (0.079 R)
• M7: 2,619,608 km (0.074 R)
• M8: 5,966,561 km (0.106 R)
• M9: 6,403,686 km (0.064 R)
• M10: 10,079,456 km (0.098 R)
• M11: 10,593,324 km (0.072 R)
• M12: 14,367,529 km (0.119 R)
• M13: 15,283,367 km (0.042 R)
• M14: 18,794,728 km (0.091 R)
• M15: 19,809,152 km (0.052 R)
• M16: 23,960,792 km (0.113 R)
• M17: 26,382,482 km (0.102 R)
• M18: 29,893,095 km (0.061 R)
• M19: 41,351,095 km (0.092 R)
• M20: 41,872,444 km (0.106 R)
• M21: 42,398,131 km (0.095 R)
• M22: 44,544,860 km (0.097 R)
• M23: 47,045,239 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.4

Radius: 7.6

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.45 AU - 7.35 AU

Year: 9892 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,682,170 km

• M1: 94,546 km (0.112 R)
• M2: 534,364 km (0.094 R)
• M3: 821,442 km (0.118 R)
• M4: 2,071,631 km (0.105 R)
• M5: 2,467,168 km (0.109 R)
• M6: 2,823,510 km (0.089 R)
• M7: 3,434,917 km (0.087 R)
• M8: 4,275,657 km (0.111 R)
• M9: 4,513,368 km (0.088 R)
• M10: 5,213,187 km (0.077 R)
• M11: 5,766,100 km (0.083 R)
• M12: 6,131,119 km (0.086 R)
• M13: 7,488,720 km (0.073 R)
• M14: 7,835,338 km (0.107 R)
• M15: 9,429,004 km (0.107 R)
• M16: 10,249,249 km (0.103 R)
• M17: 14,403,433 km (0.097 R)
• M18: 15,351,135 km (0.072 R)
• M19: 16,629,748 km (0.119 R)
• M20: 17,071,361 km (0.081 R)
• M21: 21,577,548 km (0.099 R)
• M22: 22,997,531 km (0.06 R)
• M23: 27,120,448 km (0.116 R)
• M24: 29,302,333 km (0.099 R)
• M25: 32,847,952 km (0.1 R)
• M26: 38,944,365 km (0.098 R)
• M27: 42,257,509 km (0.099 R)
• M28: 43,912,510 km (0.108 R)
• M29: 46,330,461 km (0.117 R)
• M30: 51,741,266 km (0.051 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: 183 - 15,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit