🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 12.8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.84 AU - 1.36 AU

Year: 745 Days

Day: 8.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,347,643 km

• M1: 159,172 km (0.036 R)
• M2: 606,470 km (0.051 R)
• M3: 1,082,490 km (0.096 R)
• M4: 1,532,929 km (0.116 R)
• M5: 2,333,577 km (0.059 R)
• M6: 3,066,158 km (0.077 R)
• M7: 4,292,113 km (0.089 R)
• M8: 4,848,168 km (0.118 R)
• M9: 5,942,177 km (0.105 R)
• M10: 6,376,759 km (0.105 R)
• M11: 7,125,646 km (0.052 R)
• M12: 7,785,821 km (0.082 R)
• M13: 8,641,671 km (0.11 R)
• M14: 9,119,785 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 8

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.06 AU - 1.32 AU

Year: 838 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,347,643 km

• M1: 99,632 km (0.107 R)
• M2: 354,547 km (0.086 R)
• M3: 613,351 km (0.098 R)
• M4: 1,076,955 km (0.108 R)
• M5: 1,504,655 km (0.058 R)
• M6: 1,846,935 km (0.106 R)
• M7: 2,271,644 km (0.053 R)
• M8: 2,917,308 km (0.102 R)
• M9: 3,223,535 km (0.098 R)
• M10: 3,480,993 km (0.069 R)
• M11: 4,178,119 km (0.047 R)
• M12: 4,585,175 km (0.095 R)
• M13: 5,000,608 km (0.103 R)
• M14: 6,336,068 km (0.086 R)
• M15: 6,807,900 km (0.116 R)
• M16: 7,075,082 km (0.101 R)
• M17: 8,139,770 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 8.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.23 AU - 1.91 AU

Year: 1270 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,347,643 km

• M1: 104,569 km (0.031 R)
• M2: 390,600 km (0.063 R)
• M3: 665,711 km (0.064 R)
• M4: 1,222,215 km (0.117 R)
• M5: 1,607,280 km (0.109 R)
• M6: 2,267,904 km (0.112 R)
• M7: 2,840,864 km (0.084 R)
• M8: 3,197,355 km (0.104 R)
• M9: 5,206,155 km (0.094 R)
• M10: 5,615,156 km (0.101 R)
• M11: 7,418,858 km (0.042 R)
• M12: 10,478,882 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 8.3

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.58 AU - 4 AU

Year: 3853 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,347,643 km

• M1: 103,522 km (0.111 R)
• M2: 407,355 km (0.067 R)
• M3: 776,413 km (0.074 R)
• M4: 1,240,316 km (0.056 R)
• M5: 1,698,833 km (0.066 R)
• M6: 2,503,670 km (0.074 R)
• M7: 2,954,857 km (0.083 R)
• M8: 4,088,360 km (0.062 R)
• M9: 4,394,138 km (0.073 R)
• M10: 5,185,661 km (0.071 R)
• M11: 5,979,277 km (0.097 R)
• M12: 9,280,005 km (0.098 R)
• M13: 10,146,326 km (0.09 R)
• M14: 10,797,226 km (0.102 R)
• M15: 12,278,844 km (0.059 R)
• M16: 13,839,000 km (0.105 R)
• M17: 17,715,829 km (0.065 R)
• M18: 18,595,315 km (0.106 R)
• M19: 25,034,306 km (0.1 R)
• M20: 26,060,847 km (0.087 R)
• M21: 26,787,892 km (0.029 R)
• M22: 27,778,081 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 11

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.85 AU - 4.69 AU

Year: 5697 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,347,643 km

• M1: 137,032 km (0.101 R)
• M2: 592,707 km (0.107 R)
• M3: 1,125,874 km (0.11 R)
• M4: 2,291,989 km (0.113 R)
• M5: 4,022,238 km (0.084 R)
• M6: 7,734,360 km (0.114 R)
• M7: 9,242,456 km (0.083 R)
• M8: 9,638,292 km (0.065 R)
• M9: 12,351,099 km (0.113 R)
• M10: 13,576,605 km (0.116 R)
• M11: 14,827,543 km (0.071 R)
• M12: 15,815,188 km (0.059 R)
• M13: 16,787,723 km (0.064 R)
• M14: 18,413,553 km (0.066 R)
• M15: 22,682,628 km (0.088 R)
• M16: 23,186,324 km (0.09 R)
• M17: 25,739,510 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.4

Radius: 4.6

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.18 AU - 11.86 AU

Year: 23620 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,347,643 km

• M1: 194,926 km (0.05 R)
• M2: 490,980 km (0.071 R)
• M3: 936,632 km (0.091 R)
• M4: 1,290,581 km (0.096 R)
• M5: 1,646,773 km (0.039 R)
• M6: 2,200,285 km (0.116 R)
• M7: 4,533,563 km (0.093 R)
• M8: 9,337,749 km (0.118 R)
• M9: 10,994,696 km (0.119 R)
• M10: 11,831,097 km (0.096 R)
• M11: 12,390,743 km (0.119 R)
• M12: 13,969,000 km (0.09 R)
• M13: 16,811,510 km (0.05 R)
• M14: 17,758,165 km (0.075 R)
• M15: 25,810,869 km (0.094 R)
• M16: 29,142,712 km (0.027 R)
• M17: 34,347,821 km (0.094 R)
• M18: 35,356,260 km (0.112 R)
• M19: 55,822,445 km (0.091 R)
• M20: 58,452,526 km (0.103 R)
• M21: 60,980,580 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 12,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit