🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.59 AU - 0.67 AU

Year: 223 Days

Day: 46.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 41.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,278,177 km

• M1: 138,677 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.67 AU - 1.09 AU

Year: 368 Days

Day: 46.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.11 AU - 1.21 AU

Year: 557 Days

Day: 40.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,278,177 km

• M1: 121,473 km (0.032 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 15

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.34 AU - 2.48 AU

Year: 1669 Days

Day: 11.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,278,177 km

• M1: 186,549 km (0.111 R)
• M2: 848,818 km (0.086 R)
• M3: 1,899,594 km (0.066 R)
• M4: 2,550,195 km (0.111 R)
• M5: 3,377,920 km (0.075 R)
• M6: 6,336,816 km (0.07 R)
• M7: 7,146,589 km (0.112 R)
• M8: 7,778,192 km (0.104 R)
• M9: 8,332,751 km (0.105 R)
• M10: 8,973,329 km (0.073 R)
• M11: 9,583,988 km (0.085 R)
• M12: 11,620,015 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 11.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.83 AU - 5.37 AU

Year: 4402 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,278,177 km

• M1: 139,724 km (0.096 R)
• M2: 526,884 km (0.107 R)
• M3: 1,442,123 km (0.085 R)
• M4: 2,419,895 km (0.085 R)
• M5: 3,203,489 km (0.083 R)
• M6: 3,596,183 km (0.05 R)
• M7: 5,295,765 km (0.097 R)
• M8: 6,525,310 km (0.083 R)
• M9: 6,913,815 km (0.088 R)
• M10: 7,349,444 km (0.065 R)
• M11: 7,836,385 km (0.09 R)
• M12: 9,925,520 km (0.08 R)
• M13: 12,498,005 km (0.06 R)
• M14: 15,120,904 km (0.092 R)
• M15: 18,325,440 km (0.116 R)
• M16: 19,405,537 km (0.088 R)
• M17: 20,086,207 km (0.052 R)
• M18: 21,039,893 km (0.101 R)
• M19: 22,223,960 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868

Radius: 11

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.86 AU - 5.42 AU

Year: 4460 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,278,177 km

• M1: 137,181 km (0.109 R)
• M2: 498,759 km (0.114 R)
• M3: 1,000,361 km (0.107 R)
• M4: 1,396,197 km (0.093 R)
• M5: 2,792,843 km (0.035 R)
• M6: 3,167,286 km (0.12 R)
• M7: 3,792,605 km (0.117 R)
• M8: 5,097,099 km (0.104 R)
• M9: 5,544,396 km (0.065 R)
• M10: 6,647,381 km (0.091 R)
• M11: 7,425,141 km (0.094 R)
• M12: 7,890,988 km (0.085 R)
• M13: 8,645,710 km (0.12 R)
• M14: 9,081,040 km (0.091 R)
• M15: 9,952,597 km (0.049 R)
• M16: 11,670,579 km (0.066 R)
• M17: 12,153,780 km (0.078 R)
• M18: 14,885,138 km (0.08 R)
• M19: 15,627,143 km (0.059 R)
• M20: 16,453,671 km (0.118 R)
• M21: 17,123,271 km (0.091 R)
• M22: 17,747,693 km (0.099 R)
• M23: 18,193,794 km (0.115 R)
• M24: 19,108,435 km (0.044 R)
• M25: 22,404,076 km (0.09 R)
• M26: 23,151,318 km (0.025 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 17,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit