🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 9.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.67 AU - 0.75 AU

Year: 392 Days

Day: 12.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,025,071 km

• M1: 119,529 km (0.12 R)
• M2: 448,195 km (0.098 R)
• M3: 789,129 km (0.1 R)
• M4: 1,190,201 km (0.068 R)
• M5: 1,718,880 km (0.099 R)
• M6: 2,022,414 km (0.082 R)
• M7: 2,335,223 km (0.113 R)
• M8: 2,799,724 km (0.105 R)
• M9: 3,223,984 km (0.086 R)
• M10: 3,702,846 km (0.076 R)
• M11: 4,017,750 km (0.117 R)
• M12: 4,364,368 km (0.09 R)
• M13: 4,730,733 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 11.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 873 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,025,071 km

• M1: 140,622 km (0.037 R)
• M2: 501,153 km (0.111 R)
• M3: 954,734 km (0.107 R)
• M4: 1,508,395 km (0.094 R)
• M5: 1,865,485 km (0.107 R)
• M6: 2,247,558 km (0.062 R)
• M7: 2,658,055 km (0.03 R)
• M8: 3,925,448 km (0.09 R)
• M9: 4,775,164 km (0.088 R)
• M10: 5,994,087 km (0.089 R)
• M11: 7,072,239 km (0.097 R)
• M12: 7,607,650 km (0.091 R)
• M13: 8,705,250 km (0.07 R)
• M14: 9,093,606 km (0.062 R)
• M15: 9,493,481 km (0.043 R)
• M16: 10,267,650 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 10

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.19 AU - 1.61 AU

Year: 1087 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,025,071 km

• M1: 160,818 km (0.088 R)
• M2: 514,018 km (0.105 R)
• M3: 936,782 km (0.05 R)
• M4: 1,299,407 km (0.034 R)
• M5: 1,718,281 km (0.079 R)
• M6: 3,025,168 km (0.051 R)
• M7: 3,737,404 km (0.057 R)
• M8: 4,670,446 km (0.066 R)
• M9: 5,020,505 km (0.119 R)
• M10: 5,514,626 km (0.048 R)
• M11: 6,108,829 km (0.075 R)
• M12: 6,696,749 km (0.064 R)
• M13: 7,662,104 km (0.113 R)
• M14: 8,012,911 km (0.06 R)
• M15: 9,220,016 km (0.106 R)
• M16: 11,530,405 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 10.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.55 AU - 1.61 AU

Year: 1303 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,025,071 km

• M1: 128,056 km (0.08 R)
• M2: 487,988 km (0.034 R)
• M3: 977,173 km (0.066 R)
• M4: 1,407,716 km (0.11 R)
• M5: 1,819,110 km (0.079 R)
• M6: 2,211,805 km (0.089 R)
• M7: 2,648,780 km (0.12 R)
• M8: 4,064,574 km (0.11 R)
• M9: 4,779,353 km (0.11 R)
• M10: 5,373,556 km (0.083 R)
• M11: 5,720,024 km (0.074 R)
• M12: 6,435,401 km (0.101 R)
• M13: 6,850,086 km (0.118 R)
• M14: 7,307,258 km (0.107 R)
• M15: 8,444,201 km (0.112 R)
• M16: 10,026,648 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 9.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.45 AU - 4.63 AU

Year: 5327 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,025,071 km

• M1: 115,639 km (0.117 R)
• M2: 562,189 km (0.118 R)
• M3: 890,855 km (0.06 R)
• M4: 1,286,242 km (0.096 R)
• M5: 2,280,470 km (0.116 R)
• M6: 4,470,882 km (0.106 R)
• M7: 5,149,009 km (0.11 R)
• M8: 9,354,205 km (0.098 R)
• M9: 10,028,293 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463

Radius: 14

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.37 AU - 5.61 AU

Year: 8439 Days

Day: 14.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,025,071 km

• M1: 174,132 km (0.117 R)
• M2: 635,043 km (0.113 R)
• M3: 1,320,650 km (0.089 R)
• M4: 2,769,954 km (0.091 R)
• M5: 4,283,436 km (0.118 R)
• M6: 4,932,541 km (0.095 R)
• M7: 5,996,481 km (0.107 R)
• M8: 7,507,120 km (0.051 R)
• M9: 8,129,896 km (0.072 R)
• M10: 9,042,144 km (0.088 R)
• M11: 9,657,590 km (0.092 R)
• M12: 10,347,834 km (0.085 R)
• M13: 11,369,438 km (0.11 R)
• M14: 12,297,543 km (0.093 R)
• M15: 14,013,880 km (0.092 R)
• M16: 16,138,169 km (0.057 R)
• M17: 17,045,181 km (0.071 R)
• M18: 19,389,829 km (0.103 R)
• M19: 26,621,988 km (0.028 R)
• M20: 29,670,793 km (0.087 R)
• M21: 30,541,153 km (0.064 R)
• M22: 32,231,609 km (0.091 R)
• M23: 33,151,337 km (0.084 R)
• M24: 36,674,068 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.58 AU - 7.04 AU

Year: 9187 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,025,071 km

• M1: 188,344 km (0.102 R)
• M2: 990,637 km (0.101 R)
• M3: 1,528,591 km (0.093 R)
• M4: 2,214,796 km (0.115 R)
• M5: 2,820,817 km (0.115 R)
• M6: 4,371,998 km (0.065 R)
• M7: 6,231,350 km (0.062 R)
• M8: 9,395,345 km (0.111 R)
• M9: 9,941,526 km (0.089 R)
• M10: 10,702,830 km (0.114 R)
• M11: 11,760,786 km (0.075 R)
• M12: 14,321,154 km (0.073 R)
• M13: 16,114,832 km (0.117 R)
• M14: 17,032,466 km (0.04 R)
• M15: 17,846,577 km (0.072 R)
• M16: 20,294,597 km (0.088 R)
• M17: 20,825,220 km (0.114 R)
• M18: 25,148,150 km (0.105 R)
• M19: 29,646,558 km (0.117 R)
• M20: 32,858,125 km (0.095 R)
• M21: 37,529,767 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit