🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.61 AU - 0.93 AU

Year: 235 Days

Day: 27.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.13 AU - 1.23 AU

Year: 446 Days

Day: 24.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.29 AU - 1.37 AU

Year: 534 Days

Day: 22.7 Hours

Environment

Temp: 28 °C

Axial Tilt: 59.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.22 AU - 1.94 AU

Year: 692 Days

Day: 32.4 Hours

Environment

Temp: -23 °C

Axial Tilt: 80.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.97 AU - 3.17 AU

Year: 1435 Days

Day: 21 Hours

Environment

Temp: -67 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,312,618 km

• M1: 45,029 km (0.098 R)

Asteroid Belt

Center: 4.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 12

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.77 AU - 6.01 AU

Year: 4978 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 169.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,312,618 km

• M1: 149,299 km (0.104 R)
• M2: 554,559 km (0.066 R)
• M3: 985,401 km (0.091 R)
• M4: 1,587,084 km (0.091 R)
• M5: 2,328,940 km (0.102 R)
• M6: 7,383,104 km (0.096 R)
• M7: 7,919,113 km (0.057 R)
• M8: 9,981,619 km (0.046 R)
• M9: 11,137,262 km (0.097 R)
• M10: 12,679,467 km (0.027 R)
• M11: 17,090,210 km (0.052 R)
• M12: 18,157,890 km (0.107 R)
• M13: 18,740,873 km (0.12 R)
• M14: 19,672,569 km (0.074 R)
• M15: 21,198,617 km (0.09 R)
• M16: 22,876,806 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 10.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.75 AU - 12.77 AU

Year: 12292 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,312,618 km

• M1: 130,599 km (0.084 R)
• M2: 1,231,041 km (0.094 R)
• M3: 2,117,857 km (0.12 R)
• M4: 2,883,349 km (0.047 R)
• M5: 3,681,304 km (0.093 R)
• M6: 5,249,838 km (0.11 R)
• M7: 5,935,894 km (0.092 R)
• M8: 8,032,209 km (0.105 R)
• M9: 9,203,261 km (0.045 R)
• M10: 9,921,780 km (0.076 R)
• M11: 10,628,779 km (0.043 R)
• M12: 11,985,781 km (0.115 R)
• M13: 12,733,172 km (0.101 R)
• M14: 14,321,154 km (0.038 R)
• M15: 17,886,071 km (0.117 R)
• M16: 18,933,107 km (0.085 R)
• M17: 20,919,916 km (0.117 R)
• M18: 22,239,967 km (0.113 R)
• M19: 33,804,182 km (0.062 R)
• M20: 34,543,794 km (0.099 R)
• M21: 35,078,756 km (0.08 R)
• M22: 35,836,918 km (0.067 R)
• M23: 37,498,352 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.3

Radius: 5.2

Gravity: 26.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.24 AU - 17.66 AU

Year: 20131 Days

Day: 15.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,312,618 km

• M1: 65,524 km (0.076 R)
• M2: 393,143 km (0.071 R)
• M3: 594,502 km (0.038 R)
• M4: 864,975 km (0.116 R)
• M5: 1,518,568 km (0.111 R)
• M6: 2,007,753 km (0.072 R)
• M7: 2,278,076 km (0.086 R)
• M8: 3,264,375 km (0.094 R)
• M9: 3,883,112 km (0.108 R)
• M10: 4,507,384 km (0.073 R)
• M11: 6,511,247 km (0.09 R)
• M12: 9,778,764 km (0.097 R)
• M13: 11,960,200 km (0.079 R)
• M14: 12,432,331 km (0.098 R)
• M15: 13,703,464 km (0.075 R)
• M16: 17,684,862 km (0.061 R)
• M17: 18,386,027 km (0.112 R)
• M18: 21,871,807 km (0.105 R)
• M19: 22,577,311 km (0.096 R)
• M20: 33,177,816 km (0.115 R)
• M21: 34,920,332 km (0.071 R)
• M22: 37,862,323 km (0.073 R)
• M23: 39,764,161 km (0.103 R)
• M24: 50,582,630 km (0.114 R)
• M25: 51,108,317 km (0.066 R)
• M26: 54,155,776 km (0.111 R)
• M27: 59,630,160 km (0.082 R)
• M28: 61,202,733 km (0.077 R)
• M29: 68,408,713 km (0.103 R)
• M30: 68,836,712 km (0.097 R)
• M31: 73,663,787 km (0.076 R)
• M32: 75,701,758 km (0.1 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 11,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit