🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.5 AU - 0.72 AU

Year: 175 Days

Day: 38.6 Hours

Environment

Temp: 220 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,143,967 km

• M1: 79,436 km (0.087 R)
• M2: 455,974 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.94 AU - 1.48 AU

Year: 489 Days

Day: 43.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.18 AU - 1.5 AU

Year: 569 Days

Day: 29.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.52 AU - 3.9 AU

Year: 2623 Days

Day: 13.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,143,967 km

• M1: 32,164 km (0.106 R)
• M2: 1,380,040 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.4

Radius: 13.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.91 AU - 6.33 AU

Year: 4891 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,143,967 km

• M1: 217,067 km (0.073 R)
• M2: 710,889 km (0.109 R)
• M3: 1,153,400 km (0.091 R)
• M4: 2,549,746 km (0.051 R)
• M5: 5,326,133 km (0.102 R)
• M6: 6,184,226 km (0.087 R)
• M7: 9,081,339 km (0.085 R)
• M8: 17,135,838 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 14

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.28 AU - 6.18 AU

Year: 5035 Days

Day: 11.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,143,967 km

• M1: 174,581 km (0.078 R)
• M2: 1,512,135 km (0.109 R)
• M3: 2,403,888 km (0.112 R)
• M4: 2,885,743 km (0.093 R)
• M5: 3,821,478 km (0.088 R)
• M6: 4,262,043 km (0.057 R)
• M7: 4,713,380 km (0.088 R)
• M8: 5,476,628 km (0.086 R)
• M9: 7,797,939 km (0.119 R)
• M10: 8,867,563 km (0.114 R)
• M11: 9,419,131 km (0.093 R)
• M12: 15,258,684 km (0.105 R)
• M13: 18,011,883 km (0.057 R)
• M14: 22,333,915 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 10.4

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.49 AU - 7.93 AU

Year: 6381 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,143,967 km

• M1: 129,402 km (0.026 R)
• M2: 470,934 km (0.084 R)
• M3: 822,938 km (0.119 R)
• M4: 1,239,418 km (0.096 R)
• M5: 1,675,197 km (0.115 R)
• M6: 2,729,712 km (0.119 R)
• M7: 3,499,244 km (0.11 R)
• M8: 4,564,231 km (0.116 R)
• M9: 5,346,927 km (0.093 R)
• M10: 6,086,838 km (0.047 R)
• M11: 6,999,236 km (0.105 R)
• M12: 7,846,259 km (0.091 R)
• M13: 9,221,811 km (0.062 R)
• M14: 9,699,477 km (0.072 R)
• M15: 10,193,599 km (0.062 R)
• M16: 10,610,379 km (0.107 R)
• M17: 14,250,693 km (0.073 R)
• M18: 14,889,775 km (0.038 R)
• M19: 16,539,690 km (0.111 R)
• M20: 18,308,236 km (0.116 R)
• M21: 20,490,271 km (0.119 R)
• M22: 21,080,434 km (0.057 R)
• M23: 24,613,487 km (0.11 R)
• M24: 26,737,777 km (0.071 R)
• M25: 32,827,906 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.9

Radius: 8.4

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.29 AU - 8.21 AU

Year: 7920 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,143,967 km

• M1: 104,419 km (0.101 R)
• M2: 424,260 km (0.062 R)
• M3: 746,344 km (0.119 R)
• M4: 1,245,552 km (0.081 R)
• M5: 1,571,077 km (0.115 R)
• M6: 1,969,157 km (0.112 R)
• M7: 2,271,045 km (0.082 R)
• M8: 2,662,393 km (0.092 R)
• M9: 2,947,826 km (0.114 R)
• M10: 4,033,907 km (0.03 R)
• M11: 4,843,680 km (0.097 R)
• M12: 6,524,262 km (0.101 R)
• M13: 7,840,724 km (0.1 R)
• M14: 9,233,629 km (0.115 R)
• M15: 12,671,538 km (0.048 R)
• M16: 14,768,751 km (0.093 R)
• M17: 15,866,500 km (0.105 R)
• M18: 16,605,214 km (0.095 R)
• M19: 17,087,218 km (0.103 R)
• M20: 18,079,052 km (0.058 R)
• M21: 18,810,586 km (0.114 R)
• M22: 20,489,373 km (0.042 R)
• M23: 24,494,407 km (0.047 R)
• M24: 24,760,841 km (0.034 R)
• M25: 27,916,758 km (0.093 R)
• M26: 32,279,331 km (0.115 R)
• M27: 32,922,153 km (0.082 R)
• M28: 34,012,273 km (0.077 R)
• M29: 37,192,723 km (0.074 R)
• M30: 38,375,145 km (0.106 R)
• M31: 38,975,481 km (0.094 R)
• M32: 41,566,068 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 15.78 AU - 15.9 AU

Year: 23142 Days

Day: 18.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,143,967 km

• M1: 89,908 km (0.08 R)
• M2: 396,285 km (0.106 R)
• M3: 759,658 km (0.047 R)
• M4: 1,043,445 km (0.107 R)
• M5: 1,371,663 km (0.106 R)
• M6: 2,703,234 km (0.117 R)
• M7: 3,472,466 km (0.11 R)
• M8: 4,152,837 km (0.102 R)
• M9: 8,258,251 km (0.054 R)
• M10: 10,057,614 km (0.101 R)
• M11: 10,312,380 km (0.119 R)
• M12: 15,465,877 km (0.119 R)
• M13: 16,641,267 km (0.057 R)
• M14: 18,024,150 km (0.086 R)
• M15: 19,798,680 km (0.065 R)
• M16: 23,601,458 km (0.102 R)
• M17: 24,233,658 km (0.083 R)
• M18: 25,532,018 km (0.082 R)
• M19: 25,911,249 km (0.117 R)
• M20: 32,061,217 km (0.082 R)
• M21: 33,851,605 km (0.084 R)
• M22: 37,264,830 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 17,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit