🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 13.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.69 AU - 0.81 AU

Year: 426 Days

Day: 14 Hours

Environment

Temp: -137 °C

Axial Tilt: 150.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,789,060 km

• M1: 167,550 km (0.082 R)
• M2: 629,957 km (0.073 R)
• M3: 1,069,026 km (0.101 R)
• M4: 1,544,897 km (0.045 R)
• M5: 2,089,433 km (0.053 R)
• M6: 2,537,928 km (0.091 R)
• M7: 3,061,969 km (0.093 R)
• M8: 3,609,497 km (0.064 R)
• M9: 4,248,879 km (0.069 R)
• M10: 5,428,907 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 9.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.02 AU - 1.04 AU

Year: 686 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,789,060 km

• M1: 114,442 km (0.1 R)
• M2: 423,811 km (0.116 R)
• M3: 953,088 km (0.09 R)
• M4: 1,282,652 km (0.079 R)
• M5: 1,704,518 km (0.118 R)
• M6: 2,265,510 km (0.048 R)
• M7: 3,062,418 km (0.078 R)
• M8: 4,453,080 km (0.059 R)
• M9: 6,070,083 km (0.076 R)
• M10: 7,010,904 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 12.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.95 AU - 1.35 AU

Year: 809 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,789,060 km

• M1: 154,235 km (0.107 R)
• M2: 542,591 km (0.082 R)
• M3: 995,424 km (0.089 R)
• M4: 1,700,180 km (0.082 R)
• M5: 2,385,637 km (0.114 R)
• M6: 2,835,179 km (0.09 R)
• M7: 3,354,882 km (0.088 R)
• M8: 3,863,066 km (0.11 R)
• M9: 4,277,602 km (0.07 R)
• M10: 4,671,044 km (0.107 R)
• M11: 6,000,071 km (0.077 R)
• M12: 7,637,869 km (0.089 R)
• M13: 8,145,754 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 14

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.18 AU - 1.24 AU

Year: 873 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,789,060 km

• M1: 176,675 km (0.107 R)
• M2: 650,751 km (0.119 R)
• M3: 1,435,840 km (0.1 R)
• M4: 2,662,094 km (0.088 R)
• M5: 3,581,223 km (0.115 R)
• M6: 6,390,522 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 13.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.06 AU - 1.7 AU

Year: 1063 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,789,060 km

• M1: 167,849 km (0.096 R)
• M2: 1,514,080 km (0.081 R)
• M3: 2,295,729 km (0.088 R)
• M4: 2,972,360 km (0.08 R)
• M5: 4,235,116 km (0.116 R)
• M6: 4,945,706 km (0.066 R)
• M7: 5,734,535 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 12.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.43 AU - 1.45 AU

Year: 1134 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,789,060 km

• M1: 159,172 km (0.114 R)
• M2: 924,066 km (0.051 R)
• M3: 1,355,955 km (0.038 R)
• M4: 1,759,421 km (0.092 R)
• M5: 2,514,890 km (0.095 R)
• M6: 4,235,864 km (0.107 R)
• M7: 5,380,587 km (0.119 R)
• M8: 6,160,740 km (0.109 R)
• M9: 7,695,015 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 15

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.15 AU - 3.31 AU

Year: 2959 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,789,060 km

• M1: 192,832 km (0.114 R)
• M2: 665,411 km (0.081 R)
• M3: 1,188,705 km (0.106 R)
• M4: 1,662,182 km (0.097 R)
• M5: 2,165,280 km (0.104 R)
• M6: 2,860,610 km (0.109 R)
• M7: 3,387,644 km (0.108 R)
• M8: 4,661,769 km (0.111 R)
• M9: 5,421,128 km (0.073 R)
• M10: 6,392,467 km (0.037 R)
• M11: 7,506,522 km (0.081 R)
• M12: 8,616,688 km (0.047 R)
• M13: 9,940,180 km (0.085 R)
• M14: 11,047,504 km (0.087 R)
• M15: 12,153,929 km (0.119 R)
• M16: 12,945,901 km (0.114 R)
• M17: 14,772,491 km (0.113 R)
• M18: 15,481,884 km (0.103 R)
• M19: 16,164,499 km (0.114 R)
• M20: 16,765,433 km (0.077 R)

Asteroid Belt

Center: 6.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.8

Radius: 5.1

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.7 AU - 10.08 AU

Year: 18876 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,789,060 km

• M1: 64,177 km (0.112 R)
• M2: 281,842 km (0.119 R)
• M3: 759,060 km (0.059 R)
• M4: 924,216 km (0.075 R)
• M5: 1,315,564 km (0.116 R)
• M6: 2,421,242 km (0.05 R)
• M7: 3,385,250 km (0.086 R)
• M8: 3,567,909 km (0.116 R)
• M9: 4,067,716 km (0.088 R)
• M10: 4,244,391 km (0.096 R)
• M11: 4,426,152 km (0.116 R)
• M12: 5,205,856 km (0.097 R)
• M13: 6,304,503 km (0.04 R)
• M14: 6,621,800 km (0.106 R)
• M15: 7,202,539 km (0.049 R)
• M16: 7,637,719 km (0.03 R)
• M17: 8,044,177 km (0.086 R)
• M18: 10,187,765 km (0.097 R)
• M19: 10,459,434 km (0.091 R)
• M20: 12,131,490 km (0.074 R)
• M21: 14,581,304 km (0.096 R)
• M22: 17,188,795 km (0.104 R)
• M23: 18,926,375 km (0.085 R)
• M24: 19,337,021 km (0.06 R)
• M25: 24,641,013 km (0.113 R)
• M26: 27,781,521 km (0.085 R)
• M27: 36,208,968 km (0.087 R)
• M28: 40,250,504 km (0.082 R)
• M29: 51,568,181 km (0.112 R)
• M30: 53,994,659 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.1

Radius: 6.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.05 AU - 11.37 AU

Year: 21402 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,789,060 km

• M1: 138,378 km (0.082 R)
• M2: 1,057,059 km (0.105 R)
• M3: 1,559,558 km (0.114 R)
• M4: 1,954,047 km (0.117 R)
• M5: 4,398,626 km (0.057 R)
• M6: 4,751,378 km (0.108 R)
• M7: 5,283,198 km (0.086 R)
• M8: 5,750,393 km (0.059 R)
• M9: 7,771,609 km (0.086 R)
• M10: 8,872,201 km (0.111 R)
• M11: 11,109,138 km (0.068 R)
• M12: 18,630,021 km (0.091 R)
• M13: 19,164,983 km (0.115 R)
• M14: 19,946,782 km (0.112 R)
• M15: 27,668,276 km (0.115 R)
• M16: 39,749,800 km (0.074 R)
• M17: 45,815,096 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 11,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit