🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.57 AU - 0.77 AU

Year: 354 Days

Day: 15.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,944,020 km

• M1: 188,344 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.66 AU - 1.06 AU

Year: 515 Days

Day: 13.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,944,020 km

• M1: 180,265 km (0.096 R)
• M2: 659,727 km (0.072 R)
• M3: 1,251,536 km (0.117 R)
• M4: 1,719,478 km (0.111 R)
• M5: 2,207,466 km (0.044 R)
• M6: 2,874,074 km (0.039 R)
• M7: 3,447,932 km (0.042 R)
• M8: 4,125,760 km (0.1 R)
• M9: 4,721,608 km (0.096 R)
• M10: 5,308,480 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 9

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.88 AU - 4.98 AU

Year: 6020 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,944,020 km

• M1: 111,899 km (0.093 R)
• M2: 396,584 km (0.118 R)
• M3: 677,978 km (0.042 R)
• M4: 1,035,217 km (0.093 R)
• M5: 1,319,603 km (0.084 R)
• M6: 1,962,724 km (0.039 R)
• M7: 2,372,622 km (0.118 R)
• M8: 3,034,294 km (0.088 R)
• M9: 3,629,843 km (0.111 R)
• M10: 3,955,816 km (0.103 R)
• M11: 4,885,118 km (0.111 R)
• M12: 5,401,231 km (0.102 R)
• M13: 6,243,018 km (0.097 R)
• M14: 7,027,061 km (0.038 R)
• M15: 7,535,544 km (0.075 R)
• M16: 8,625,963 km (0.059 R)
• M17: 9,773,827 km (0.076 R)
• M18: 11,262,625 km (0.075 R)
• M19: 12,061,179 km (0.044 R)
• M20: 13,659,632 km (0.099 R)
• M21: 16,629,748 km (0.054 R)
• M22: 17,012,868 km (0.097 R)
• M23: 21,324,279 km (0.093 R)
• M24: 22,857,059 km (0.114 R)
• M25: 23,650,526 km (0.12 R)
• M26: 25,884,321 km (0.113 R)
• M27: 28,164,791 km (0.119 R)
• M28: 33,830,362 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 13.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.25 AU - 6.21 AU

Year: 8856 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,944,020 km

• M1: 180,116 km (0.038 R)
• M2: 617,690 km (0.118 R)
• M3: 1,784,403 km (0.071 R)
• M4: 2,217,040 km (0.112 R)
• M5: 3,209,922 km (0.12 R)
• M6: 6,945,530 km (0.116 R)
• M7: 7,661,057 km (0.102 R)
• M8: 8,251,071 km (0.089 R)
• M9: 9,380,385 km (0.072 R)
• M10: 10,713,152 km (0.081 R)
• M11: 12,973,576 km (0.107 R)
• M12: 15,271,998 km (0.066 R)
• M13: 15,869,941 km (0.104 R)
• M14: 20,184,044 km (0.108 R)
• M15: 27,787,505 km (0.112 R)
• M16: 29,692,634 km (0.04 R)
• M17: 31,683,632 km (0.109 R)
• M18: 32,985,882 km (0.1 R)
• M19: 41,048,758 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 13,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit