🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.91 AU - 1.21 AU

Year: 467 Days

Day: 37.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,995,307 km

• M1: 31,266 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.18 AU - 1.36 AU

Year: 612 Days

Day: 12.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.25 AU - 1.73 AU

Year: 778 Days

Day: 47 Hours

Environment

Temp: -97 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,995,307 km

• M1: 447,597 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.46 AU - 1.8 AU

Year: 890 Days

Day: 24.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,995,307 km

• M1: 76,145 km (0.091 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.2

Radius: 9.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.74 AU - 4.32 AU

Year: 2835 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,995,307 km

• M1: 113,096 km (0.077 R)
• M2: 597,643 km (0.115 R)
• M3: 902,674 km (0.092 R)
• M4: 1,292,825 km (0.111 R)
• M5: 1,668,315 km (0.094 R)
• M6: 1,974,841 km (0.064 R)
• M7: 2,983,131 km (0.118 R)
• M8: 3,893,584 km (0.091 R)
• M9: 4,268,626 km (0.103 R)
• M10: 5,342,290 km (0.088 R)
• M11: 5,764,904 km (0.118 R)
• M12: 6,908,280 km (0.086 R)
• M13: 9,521,156 km (0.101 R)
• M14: 10,052,977 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 13.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.84 AU - 4.14 AU

Year: 3407 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,995,307 km

• M1: 172,935 km (0.1 R)
• M2: 668,702 km (0.091 R)
• M3: 1,118,992 km (0.081 R)
• M4: 1,703,022 km (0.049 R)
• M5: 2,179,940 km (0.113 R)
• M6: 2,668,976 km (0.1 R)
• M7: 3,467,230 km (0.042 R)
• M8: 4,689,295 km (0.063 R)
• M9: 5,287,088 km (0.107 R)
• M10: 6,016,527 km (0.108 R)
• M11: 6,520,373 km (0.079 R)
• M12: 7,423,046 km (0.114 R)
• M13: 11,001,278 km (0.073 R)
• M14: 11,543,869 km (0.082 R)
• M15: 12,910,595 km (0.048 R)
• M16: 14,235,434 km (0.111 R)
• M17: 15,235,945 km (0.053 R)
• M18: 15,911,080 km (0.099 R)
• M19: 18,636,903 km (0.069 R)
• M20: 19,289,299 km (0.108 R)
• M21: 20,389,591 km (0.101 R)
• M22: 21,595,949 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 14.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.36 AU - 4.9 AU

Year: 3588 Days

Day: 7.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,995,307 km

• M1: 179,218 km (0.088 R)
• M2: 868,266 km (0.079 R)
• M3: 1,477,728 km (0.088 R)
• M4: 2,313,980 km (0.109 R)
• M5: 3,199,150 km (0.12 R)
• M6: 3,848,256 km (0.09 R)
• M7: 4,517,706 km (0.088 R)
• M8: 4,974,877 km (0.085 R)
• M9: 5,797,516 km (0.082 R)
• M10: 6,565,103 km (0.088 R)
• M11: 7,063,712 km (0.118 R)
• M12: 8,038,342 km (0.078 R)
• M13: 10,767,456 km (0.077 R)
• M14: 11,421,349 km (0.116 R)
• M15: 13,590,368 km (0.091 R)
• M16: 14,747,657 km (0.073 R)
• M17: 16,712,925 km (0.07 R)
• M18: 20,470,823 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.7

Radius: 7.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 16.68 AU - 16.92 AU

Year: 29437 Days

Day: 15.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,995,307 km

• M1: 95,743 km (0.047 R)
• M2: 866,172 km (0.09 R)
• M3: 1,888,972 km (0.086 R)
• M4: 2,144,785 km (0.12 R)
• M5: 5,477,376 km (0.111 R)
• M6: 7,112,032 km (0.092 R)
• M7: 8,173,429 km (0.096 R)
• M8: 10,766,708 km (0.085 R)
• M9: 12,513,712 km (0.054 R)
• M10: 16,204,741 km (0.067 R)
• M11: 18,565,844 km (0.08 R)
• M12: 30,632,258 km (0.111 R)
• M13: 35,154,901 km (0.095 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: 298 - 11,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit