🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.47 AU - 0.55 AU

Year: 131 Days

Day: 37.9 Hours

Environment

Temp: 232 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.11 AU - 3.21 AU

Year: 1561 Days

Day: 31.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 13

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.26 AU - 6.34 AU

Year: 5691 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,613,650 km

• M1: 165,754 km (0.046 R)
• M2: 908,209 km (0.039 R)
• M3: 1,399,787 km (0.11 R)
• M4: 2,530,149 km (0.076 R)
• M5: 3,703,146 km (0.061 R)
• M6: 5,156,639 km (0.081 R)
• M7: 6,731,904 km (0.071 R)
• M8: 7,299,479 km (0.092 R)
• M9: 9,439,626 km (0.109 R)
• M10: 10,899,850 km (0.047 R)
• M11: 18,075,911 km (0.114 R)
• M12: 18,523,208 km (0.061 R)
• M13: 19,640,405 km (0.12 R)
• M14: 21,011,619 km (0.082 R)
• M15: 21,936,583 km (0.11 R)
• M16: 23,715,302 km (0.073 R)
• M17: 25,032,062 km (0.107 R)
• M18: 27,726,619 km (0.066 R)
• M19: 29,362,920 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 10.3

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.76 AU - 8.64 AU

Year: 6953 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,613,650 km

• M1: 128,056 km (0.073 R)
• M2: 1,773,632 km (0.025 R)
• M3: 3,293,248 km (0.114 R)
• M4: 4,475,819 km (0.032 R)
• M5: 5,729,299 km (0.118 R)
• M6: 6,352,374 km (0.097 R)
• M7: 8,494,915 km (0.114 R)
• M8: 10,027,396 km (0.094 R)
• M9: 12,205,391 km (0.091 R)
• M10: 13,975,583 km (0.105 R)
• M11: 14,502,766 km (0.082 R)
• M12: 23,428,822 km (0.03 R)
• M13: 26,059,500 km (0.026 R)
• M14: 28,693,171 km (0.091 R)
• M15: 30,904,377 km (0.115 R)
• M16: 32,406,190 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 13.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.97 AU - 9.55 AU

Year: 10141 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,613,650 km

• M1: 207,043 km (0.092 R)
• M2: 1,428,959 km (0.094 R)
• M3: 1,865,485 km (0.092 R)
• M4: 2,756,939 km (0.078 R)
• M5: 3,280,382 km (0.114 R)
• M6: 5,292,623 km (0.117 R)
• M7: 7,005,070 km (0.042 R)
• M8: 7,540,481 km (0.12 R)
• M9: 9,742,412 km (0.117 R)
• M10: 12,705,946 km (0.109 R)
• M11: 14,678,693 km (0.062 R)
• M12: 21,000,549 km (0.085 R)
• M13: 25,874,298 km (0.11 R)
• M14: 27,682,936 km (0.105 R)
• M15: 32,620,414 km (0.112 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 17,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit