🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.67 AU - 0.89 AU

Year: 254 Days

Day: 25.3 Hours

Environment

Temp: 186 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.01 AU - 1.23 AU

Year: 437 Days

Day: 25.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,433,588 km

• M1: 770,728 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.92 AU - 1.48 AU

Year: 485 Days

Day: 14 Hours

Environment

Temp: 6 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 13.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.72 AU - 5.68 AU

Year: 3759 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,433,588 km

• M1: 170,392 km (0.096 R)
• M2: 873,053 km (0.107 R)
• M3: 1,415,345 km (0.106 R)
• M4: 2,770,403 km (0.086 R)
• M5: 3,482,788 km (0.048 R)
• M6: 4,067,267 km (0.072 R)
• M7: 4,965,153 km (0.115 R)
• M8: 5,877,102 km (0.098 R)
• M9: 6,524,711 km (0.039 R)
• M10: 7,057,429 km (0.096 R)
• M11: 7,755,752 km (0.109 R)
• M12: 8,426,698 km (0.053 R)
• M13: 12,099,177 km (0.107 R)
• M14: 16,154,476 km (0.118 R)
• M15: 19,784,019 km (0.084 R)
• M16: 21,038,397 km (0.072 R)
• M17: 24,592,394 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 9.7

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.94 AU - 5.52 AU

Year: 3795 Days

Day: 8 Hours

Environment

Temp: -137 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,433,588 km

• M1: 120,725 km (0.026 R)
• M2: 496,366 km (0.046 R)
• M3: 1,442,572 km (0.067 R)
• M4: 1,837,959 km (0.11 R)
• M5: 2,199,986 km (0.108 R)
• M6: 2,868,539 km (0.076 R)
• M7: 3,730,821 km (0.075 R)
• M8: 4,656,533 km (0.107 R)
• M9: 5,173,394 km (0.077 R)
• M10: 6,079,807 km (0.066 R)
• M11: 7,055,335 km (0.078 R)
• M12: 8,095,788 km (0.085 R)
• M13: 9,475,380 km (0.115 R)
• M14: 9,843,540 km (0.105 R)
• M15: 11,689,578 km (0.064 R)
• M16: 13,243,152 km (0.033 R)
• M17: 14,281,510 km (0.091 R)
• M18: 17,234,123 km (0.117 R)
• M19: 18,218,777 km (0.094 R)
• M20: 18,981,576 km (0.116 R)
• M21: 21,538,054 km (0.074 R)
• M22: 22,032,774 km (0.094 R)
• M23: 24,088,100 km (0.104 R)
• M24: 24,391,783 km (0.1 R)
• M25: 26,428,558 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 11.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.78 AU - 7.06 AU

Year: 6002 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,433,588 km

• M1: 143,016 km (0.09 R)
• M2: 529,128 km (0.051 R)
• M3: 1,328,279 km (0.071 R)
• M4: 1,709,904 km (0.077 R)
• M5: 2,888,585 km (0.082 R)
• M6: 4,763,495 km (0.075 R)
• M7: 5,815,916 km (0.026 R)
• M8: 6,278,024 km (0.061 R)
• M9: 6,733,400 km (0.055 R)
• M10: 8,669,047 km (0.099 R)
• M11: 9,585,783 km (0.055 R)
• M12: 10,608,434 km (0.079 R)
• M13: 11,522,327 km (0.064 R)
• M14: 15,435,508 km (0.111 R)
• M15: 17,541,547 km (0.086 R)
• M16: 18,324,842 km (0.065 R)
• M17: 22,385,825 km (0.043 R)
• M18: 25,607,565 km (0.076 R)

Asteroid Belt

Center: 7.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 8.9

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.32 AU - 8.7 AU

Year: 8364 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,433,588 km

• M1: 111,151 km (0.096 R)
• M2: 431,291 km (0.063 R)
• M3: 1,051,523 km (0.109 R)
• M4: 1,700,778 km (0.054 R)
• M5: 2,202,380 km (0.045 R)
• M6: 3,170,577 km (0.04 R)
• M7: 4,258,303 km (0.092 R)
• M8: 4,602,229 km (0.061 R)
• M9: 4,933,738 km (0.094 R)
• M10: 7,071,043 km (0.05 R)
• M11: 8,678,023 km (0.082 R)
• M12: 9,279,855 km (0.099 R)
• M13: 9,909,213 km (0.108 R)
• M14: 13,735,777 km (0.117 R)
• M15: 16,702,752 km (0.067 R)
• M16: 17,706,554 km (0.098 R)
• M17: 19,520,278 km (0.11 R)
• M18: 20,231,317 km (0.084 R)
• M19: 22,812,927 km (0.071 R)
• M20: 25,048,817 km (0.055 R)
• M21: 25,512,870 km (0.107 R)
• M22: 28,418,808 km (0.11 R)
• M23: 31,970,860 km (0.097 R)
• M24: 32,297,881 km (0.064 R)
• M25: 33,180,658 km (0.099 R)
• M26: 38,942,121 km (0.116 R)
• M27: 45,474,162 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 9.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.91 AU - 10.99 AU

Year: 13369 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,433,588 km

• M1: 121,922 km (0.068 R)
• M2: 439,070 km (0.106 R)
• M3: 926,310 km (0.073 R)
• M4: 1,405,771 km (0.114 R)
• M5: 1,787,246 km (0.09 R)
• M6: 2,347,939 km (0.076 R)
• M7: 3,226,826 km (0.111 R)
• M8: 4,572,309 km (0.077 R)
• M9: 6,077,713 km (0.056 R)
• M10: 8,237,756 km (0.107 R)
• M11: 13,261,702 km (0.062 R)
• M12: 33,183,650 km (0.095 R)
• M13: 34,093,504 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.4

Radius: 7.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 17.53 AU - 20.63 AU

Year: 30750 Days

Day: 16.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,433,588 km

• M1: 98,136 km (0.099 R)
• M2: 375,640 km (0.099 R)
• M3: 735,274 km (0.1 R)
• M4: 1,018,163 km (0.067 R)
• M5: 1,466,508 km (0.107 R)
• M6: 1,790,986 km (0.103 R)
• M7: 3,196,009 km (0.068 R)
• M8: 3,775,252 km (0.097 R)
• M9: 4,525,635 km (0.106 R)
• M10: 5,332,566 km (0.119 R)
• M11: 5,811,428 km (0.119 R)
• M12: 6,808,797 km (0.105 R)
• M13: 8,592,303 km (0.102 R)
• M14: 11,819,279 km (0.092 R)
• M15: 17,438,474 km (0.109 R)
• M16: 19,679,301 km (0.066 R)
• M17: 27,893,421 km (0.12 R)
• M18: 29,453,278 km (0.1 R)
• M19: 29,944,707 km (0.116 R)
• M20: 33,406,102 km (0.108 R)
• M21: 34,345,128 km (0.094 R)
• M22: 34,616,648 km (0.089 R)
• M23: 40,051,389 km (0.089 R)
• M24: 46,193,429 km (0.083 R)
• M25: 57,583,960 km (0.091 R)
• M26: 69,620,156 km (0.104 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: 204 - 12,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit