🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 11

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,595,441 km

• M1: 136,732 km (0.054 R)
• M2: 497,563 km (0.11 R)
• M3: 963,709 km (0.064 R)
• M4: 1,308,084 km (0.096 R)
• M5: 1,655,450 km (0.041 R)
• M6: 2,629,631 km (0.102 R)
• M7: 3,067,205 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.2

Radius: 11.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 10.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,595,441 km

• M1: 143,016 km (0.03 R)
• M2: 546,331 km (0.114 R)
• M3: 923,019 km (0.093 R)
• M4: 1,602,343 km (0.09 R)
• M5: 2,229,158 km (0.108 R)
• M6: 2,659,551 km (0.063 R)
• M7: 3,241,636 km (0.062 R)
• M8: 3,647,645 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 8.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.56 AU - 2.2 AU

Year: 1748 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,595,441 km

• M1: 111,301 km (0.043 R)
• M2: 622,477 km (0.081 R)
• M3: 1,070,971 km (0.104 R)
• M4: 1,497,026 km (0.114 R)
• M5: 2,611,979 km (0.081 R)
• M6: 2,947,676 km (0.04 R)
• M7: 4,131,594 km (0.104 R)
• M8: 5,101,587 km (0.095 R)
• M9: 5,628,769 km (0.082 R)
• M10: 6,047,793 km (0.097 R)
• M11: 7,878,123 km (0.112 R)
• M12: 9,107,219 km (0.064 R)
• M13: 9,587,279 km (0.086 R)
• M14: 10,528,698 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 10.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.86 AU - 3.48 AU

Year: 3828 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,595,441 km

• M1: 133,292 km (0.081 R)
• M2: 715,227 km (0.087 R)
• M3: 1,311,973 km (0.098 R)
• M4: 1,761,365 km (0.105 R)
• M5: 2,366,638 km (0.083 R)
• M6: 3,073,039 km (0.114 R)
• M7: 3,953,423 km (0.072 R)
• M8: 4,635,888 km (0.12 R)
• M9: 5,566,387 km (0.118 R)
• M10: 8,142,463 km (0.089 R)
• M11: 8,500,001 km (0.111 R)
• M12: 9,211,938 km (0.095 R)
• M13: 9,963,218 km (0.073 R)
• M14: 10,949,367 km (0.032 R)
• M15: 12,982,851 km (0.095 R)
• M16: 14,158,541 km (0.077 R)
• M17: 15,403,943 km (0.113 R)
• M18: 16,616,883 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 8.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.99 AU - 5.91 AU

Year: 7470 Days

Day: 11.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,595,441 km

• M1: 109,506 km (0.088 R)
• M2: 707,000 km (0.091 R)
• M3: 1,191,397 km (0.085 R)
• M4: 2,132,966 km (0.1 R)
• M5: 2,538,526 km (0.071 R)
• M6: 2,859,115 km (0.029 R)
• M7: 3,409,934 km (0.107 R)
• M8: 6,460,534 km (0.064 R)
• M9: 7,281,377 km (0.04 R)
• M10: 8,765,538 km (0.082 R)
• M11: 9,166,161 km (0.104 R)
• M12: 11,312,591 km (0.045 R)
• M13: 14,415,849 km (0.106 R)
• M14: 15,129,281 km (0.043 R)
• M15: 17,411,247 km (0.087 R)
• M16: 17,870,662 km (0.048 R)
• M17: 20,991,124 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 13.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.43 AU - 6.79 AU

Year: 9012 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 143.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,595,441 km

• M1: 171,738 km (0.11 R)
• M2: 640,578 km (0.052 R)
• M3: 1,248,544 km (0.1 R)
• M4: 2,324,751 km (0.096 R)
• M5: 5,020,205 km (0.08 R)
• M6: 6,878,660 km (0.075 R)
• M7: 9,112,754 km (0.052 R)
• M8: 10,550,839 km (0.117 R)
• M9: 11,516,493 km (0.12 R)
• M10: 12,423,654 km (0.119 R)
• M11: 13,998,920 km (0.116 R)
• M12: 14,444,871 km (0.102 R)
• M13: 14,966,220 km (0.112 R)
• M14: 15,908,836 km (0.096 R)
• M15: 16,819,289 km (0.095 R)
• M16: 17,543,043 km (0.118 R)
• M17: 18,514,831 km (0.094 R)
• M18: 19,522,073 km (0.103 R)
• M19: 22,589,578 km (0.096 R)
• M20: 23,027,451 km (0.089 R)
• M21: 27,030,540 km (0.066 R)
• M22: 28,326,656 km (0.038 R)
• M23: 29,144,657 km (0.091 R)
• M24: 31,367,083 km (0.098 R)
• M25: 35,084,291 km (0.069 R)
• M26: 40,871,634 km (0.101 R)
• M27: 42,180,167 km (0.098 R)
• M28: 44,195,101 km (0.057 R)
• M29: 46,838,645 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 7.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.76 AU - 7.24 AU

Year: 12561 Days

Day: 23 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,595,441 km

• M1: 126,859 km (0.103 R)
• M2: 433,385 km (0.088 R)
• M3: 2,014,335 km (0.098 R)
• M4: 5,942,775 km (0.059 R)
• M5: 7,165,289 km (0.069 R)
• M6: 17,952,044 km (0.071 R)
• M7: 21,140,872 km (0.088 R)
• M8: 22,236,228 km (0.055 R)
• M9: 23,368,833 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 20,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit