🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 13.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 9.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,398,245 km

• M1: 164,109 km (0.07 R)
• M2: 708,645 km (0.114 R)
• M3: 1,503,907 km (0.081 R)
• M4: 2,270,297 km (0.12 R)
• M5: 2,946,629 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 10.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.12 AU - 2.66 AU

Year: 2506 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,398,245 km

• M1: 130,749 km (0.102 R)
• M2: 524,191 km (0.042 R)
• M3: 1,045,839 km (0.115 R)
• M4: 1,805,347 km (0.04 R)
• M5: 2,790,000 km (0.051 R)
• M6: 3,618,473 km (0.064 R)
• M7: 4,409,846 km (0.108 R)
• M8: 4,869,560 km (0.067 R)
• M9: 6,067,690 km (0.097 R)
• M10: 6,498,681 km (0.076 R)
• M11: 7,183,391 km (0.12 R)
• M12: 7,884,107 km (0.116 R)
• M13: 10,526,903 km (0.079 R)
• M14: 11,390,531 km (0.115 R)
• M15: 11,839,774 km (0.103 R)
• M16: 13,348,468 km (0.114 R)
• M17: 13,986,503 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 10.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.64 AU - 3.66 AU

Year: 3792 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,398,245 km

• M1: 140,323 km (0.091 R)
• M2: 607,966 km (0.108 R)
• M3: 1,428,211 km (0.113 R)
• M4: 2,122,195 km (0.12 R)
• M5: 2,805,708 km (0.056 R)
• M6: 3,493,709 km (0.082 R)
• M7: 4,099,730 km (0.056 R)
• M8: 4,508,132 km (0.072 R)
• M9: 4,879,883 km (0.112 R)
• M10: 5,923,926 km (0.09 R)
• M11: 7,559,180 km (0.067 R)
• M12: 7,996,305 km (0.088 R)
• M13: 10,800,667 km (0.096 R)
• M14: 11,659,957 km (0.088 R)
• M15: 12,086,760 km (0.115 R)
• M16: 13,012,920 km (0.118 R)
• M17: 13,942,522 km (0.053 R)
• M18: 15,188,821 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 10.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.07 AU - 4.01 AU

Year: 4517 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,398,245 km

• M1: 135,835 km (0.09 R)
• M2: 749,485 km (0.093 R)
• M3: 1,332,019 km (0.067 R)
• M4: 1,835,715 km (0.054 R)
• M5: 2,185,026 km (0.059 R)
• M6: 3,134,375 km (0.032 R)
• M7: 3,745,931 km (0.054 R)
• M8: 4,243,792 km (0.1 R)
• M9: 4,785,486 km (0.069 R)
• M10: 5,153,796 km (0.041 R)
• M11: 6,531,593 km (0.051 R)
• M12: 6,986,071 km (0.096 R)
• M13: 7,531,056 km (0.089 R)
• M14: 8,289,368 km (0.092 R)
• M15: 11,650,981 km (0.119 R)
• M16: 12,126,852 km (0.115 R)
• M17: 13,528,285 km (0.1 R)
• M18: 14,484,515 km (0.043 R)
• M19: 16,060,827 km (0.106 R)
• M20: 16,830,359 km (0.108 R)
• M21: 17,686,358 km (0.073 R)
• M22: 20,842,574 km (0.107 R)
• M23: 21,332,208 km (0.084 R)
• M24: 23,069,637 km (0.106 R)
• M25: 25,056,147 km (0.057 R)
• M26: 25,450,787 km (0.12 R)
• M27: 25,849,764 km (0.085 R)
• M28: 26,659,986 km (0.095 R)
• M29: 28,076,229 km (0.055 R)
• M30: 28,759,742 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 8.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.21 AU - 4.99 AU

Year: 6692 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,398,245 km

• M1: 102,026 km (0.111 R)
• M2: 622,028 km (0.115 R)
• M3: 879,336 km (0.034 R)
• M4: 1,149,510 km (0.105 R)
• M5: 1,440,478 km (0.064 R)
• M6: 1,822,252 km (0.106 R)
• M7: 2,143,887 km (0.114 R)
• M8: 2,435,304 km (0.076 R)
• M9: 3,058,678 km (0.115 R)
• M10: 3,386,896 km (0.06 R)
• M11: 4,672,390 km (0.064 R)
• M12: 6,032,684 km (0.115 R)
• M13: 6,418,646 km (0.106 R)
• M14: 6,718,889 km (0.065 R)
• M15: 7,204,633 km (0.089 R)
• M16: 7,750,666 km (0.112 R)
• M17: 8,641,371 km (0.098 R)
• M18: 9,342,387 km (0.052 R)
• M19: 10,125,233 km (0.084 R)
• M20: 11,380,658 km (0.037 R)
• M21: 11,821,373 km (0.111 R)
• M22: 12,632,792 km (0.034 R)
• M23: 16,376,030 km (0.078 R)
• M24: 16,874,789 km (0.095 R)
• M25: 19,801,223 km (0.096 R)
• M26: 20,510,616 km (0.037 R)
• M27: 21,236,764 km (0.052 R)
• M28: 21,904,868 km (0.073 R)
• M29: 26,894,107 km (0.111 R)
• M30: 31,814,979 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 9.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.38 AU - 4.9 AU

Year: 6779 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,398,245 km

• M1: 119,977 km (0.05 R)
• M2: 662,419 km (0.099 R)
• M3: 1,035,068 km (0.096 R)
• M4: 1,502,411 km (0.065 R)
• M5: 1,951,953 km (0.041 R)
• M6: 3,258,690 km (0.079 R)
• M7: 3,561,626 km (0.119 R)
• M8: 3,883,411 km (0.12 R)
• M9: 4,248,131 km (0.113 R)
• M10: 4,915,786 km (0.079 R)
• M11: 7,206,578 km (0.089 R)
• M12: 7,653,726 km (0.115 R)
• M13: 8,565,675 km (0.082 R)
• M14: 9,265,943 km (0.11 R)
• M15: 9,836,658 km (0.093 R)
• M16: 10,648,376 km (0.109 R)
• M17: 12,259,695 km (0.077 R)
• M18: 13,506,145 km (0.045 R)
• M19: 14,835,022 km (0.1 R)
• M20: 15,222,182 km (0.076 R)
• M21: 19,017,330 km (0.091 R)
• M22: 20,140,361 km (0.04 R)
• M23: 22,956,392 km (0.076 R)
• M24: 23,624,346 km (0.074 R)
• M25: 25,547,876 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 3.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.07 AU - 11.57 AU

Year: 20872 Days

Day: 18.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,398,245 km

• M1: 49,218 km (0.085 R)
• M2: 218,114 km (0.068 R)
• M3: 495,618 km (0.101 R)
• M4: 908,358 km (0.098 R)
• M5: 2,512,047 km (0.073 R)
• M6: 10,985,869 km (0.117 R)
• M7: 14,892,019 km (0.093 R)
• M8: 21,131,298 km (0.109 R)
• M9: 23,147,129 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 12,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit