🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.49 AU - 0.63 AU

Year: 266 Days

Day: 38.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 274 Days

Day: 30.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 10.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.84 AU - 0.94 AU

Year: 534 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,632,872 km

• M1: 142,417 km (0.068 R)
• M2: 484,099 km (0.089 R)
• M3: 975,378 km (0.099 R)
• M4: 1,315,414 km (0.072 R)
• M5: 2,333,428 km (0.05 R)
• M6: 2,856,721 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 8.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.17 AU - 1.47 AU

Year: 964 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,632,872 km

• M1: 109,356 km (0.103 R)
• M2: 546,331 km (0.092 R)
• M3: 1,301,651 km (0.066 R)
• M4: 2,631,127 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 11.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.17 AU - 1.55 AU

Year: 1008 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,632,872 km

• M1: 143,165 km (0.111 R)
• M2: 512,522 km (0.087 R)
• M3: 875,896 km (0.07 R)
• M4: 1,355,207 km (0.086 R)
• M5: 1,742,965 km (0.114 R)
• M6: 2,846,099 km (0.1 R)
• M7: 3,339,623 km (0.103 R)
• M8: 4,618,236 km (0.117 R)
• M9: 5,610,369 km (0.117 R)
• M10: 7,124,150 km (0.059 R)
• M11: 7,523,726 km (0.095 R)
• M12: 8,471,727 km (0.097 R)
• M13: 8,974,825 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 9.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.48 AU - 2.7 AU

Year: 2650 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,632,872 km

• M1: 119,828 km (0.087 R)
• M2: 474,225 km (0.114 R)
• M3: 804,986 km (0.117 R)
• M4: 1,343,688 km (0.118 R)
• M5: 2,063,104 km (0.103 R)
• M6: 2,433,060 km (0.116 R)
• M7: 3,093,983 km (0.058 R)
• M8: 4,892,000 km (0.068 R)
• M9: 5,248,342 km (0.109 R)
• M10: 5,644,627 km (0.111 R)
• M11: 6,423,134 km (0.102 R)
• M12: 7,111,883 km (0.088 R)
• M13: 8,105,811 km (0.082 R)
• M14: 13,461,714 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 8.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.58 AU - 4.12 AU

Year: 3899 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,632,872 km

• M1: 110,702 km (0.05 R)
• M2: 409,449 km (0.117 R)
• M3: 732,730 km (0.045 R)
• M4: 1,119,291 km (0.084 R)
• M5: 1,440,029 km (0.112 R)
• M6: 1,763,759 km (0.056 R)
• M7: 2,136,407 km (0.069 R)
• M8: 2,501,276 km (0.055 R)
• M9: 3,196,757 km (0.113 R)
• M10: 4,203,401 km (0.059 R)
• M11: 4,710,687 km (0.069 R)
• M12: 5,612,164 km (0.069 R)
• M13: 6,339,359 km (0.106 R)
• M14: 6,769,752 km (0.075 R)
• M15: 7,067,452 km (0.119 R)
• M16: 7,689,181 km (0.092 R)
• M17: 9,293,618 km (0.116 R)
• M18: 9,849,673 km (0.101 R)
• M19: 10,665,131 km (0.118 R)
• M20: 14,333,122 km (0.063 R)
• M21: 16,961,407 km (0.108 R)
• M22: 17,345,574 km (0.061 R)
• M23: 18,302,851 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 14.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.17 AU - 5.31 AU

Year: 6561 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,632,872 km

• M1: 184,454 km (0.053 R)
• M2: 762,201 km (0.108 R)
• M3: 1,278,314 km (0.113 R)
• M4: 1,762,263 km (0.095 R)
• M5: 2,880,058 km (0.116 R)
• M6: 3,395,872 km (0.032 R)
• M7: 4,222,849 km (0.099 R)
• M8: 5,572,072 km (0.089 R)
• M9: 6,448,715 km (0.117 R)
• M10: 7,719,849 km (0.118 R)
• M11: 8,726,044 km (0.094 R)
• M12: 10,001,066 km (0.118 R)
• M13: 10,563,704 km (0.033 R)
• M14: 11,246,768 km (0.076 R)
• M15: 11,752,558 km (0.075 R)
• M16: 13,194,831 km (0.104 R)
• M17: 13,758,067 km (0.059 R)
• M18: 18,577,812 km (0.064 R)
• M19: 20,983,645 km (0.059 R)
• M20: 24,759,345 km (0.085 R)
• M21: 34,893,853 km (0.117 R)
• M22: 35,646,779 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 17,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit