🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.7 AU - 0.72 AU

Year: 222 Days

Day: 21.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.19 AU - 3.05 AU

Year: 1573 Days

Day: 41.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,771,324 km

• M1: 40,391 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269

Radius: 12

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.68 AU - 5.86 AU

Year: 4487 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 152 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,771,324 km

• M1: 152,440 km (0.114 R)
• M2: 607,218 km (0.113 R)
• M3: 1,505,852 km (0.103 R)
• M4: 2,085,694 km (0.03 R)
• M5: 2,493,497 km (0.11 R)
• M6: 3,172,522 km (0.094 R)
• M7: 3,659,463 km (0.119 R)
• M8: 5,403,026 km (0.053 R)
• M9: 6,047,344 km (0.118 R)
• M10: 7,427,833 km (0.055 R)
• M11: 9,655,495 km (0.117 R)
• M12: 10,723,475 km (0.067 R)
• M13: 15,037,129 km (0.115 R)
• M14: 15,742,782 km (0.055 R)
• M15: 17,769,684 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 12.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.79 AU - 6.15 AU

Year: 4744 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,771,324 km

• M1: 158,723 km (0.083 R)
• M2: 581,936 km (0.08 R)
• M3: 1,686,716 km (0.092 R)
• M4: 2,198,939 km (0.114 R)
• M5: 2,850,438 km (0.082 R)
• M6: 3,584,365 km (0.044 R)
• M7: 4,541,043 km (0.083 R)
• M8: 5,065,982 km (0.102 R)
• M9: 5,749,196 km (0.113 R)
• M10: 6,175,699 km (0.073 R)
• M11: 8,792,615 km (0.068 R)
• M12: 10,169,663 km (0.065 R)
• M13: 11,685,987 km (0.117 R)
• M14: 14,540,165 km (0.103 R)
• M15: 17,260,752 km (0.07 R)
• M16: 17,702,664 km (0.09 R)
• M17: 22,174,593 km (0.08 R)
• M18: 23,304,356 km (0.091 R)
• M19: 25,760,155 km (0.036 R)
• M20: 26,587,880 km (0.12 R)
• M21: 30,533,973 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 13.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.31 AU - 9.67 AU

Year: 9174 Days

Day: 9.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,771,324 km

• M1: 219,909 km (0.053 R)
• M2: 1,946,418 km (0.107 R)
• M3: 4,728,938 km (0.118 R)
• M4: 5,304,890 km (0.106 R)
• M5: 8,054,349 km (0.108 R)
• M6: 14,034,973 km (0.088 R)
• M7: 18,410,412 km (0.105 R)
• M8: 19,218,838 km (0.075 R)
• M9: 21,564,683 km (0.106 R)
• M10: 22,615,458 km (0.065 R)
• M11: 27,248,355 km (0.092 R)
• M12: 29,194,324 km (0.118 R)
• M13: 32,771,358 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 15,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit