🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.18 AU - 1.24 AU

Year: 481 Days

Day: 16.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 59.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.19 AU - 3.33 AU

Year: 1658 Days

Day: 39.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,750,313 km

• M1: 60,886 km (0.112 R)
• M2: 664,364 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.54 AU - 3.4 AU

Year: 1851 Days

Day: 26.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,750,313 km

• M1: 124,615 km (0.12 R)
• M2: 1,514,678 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.84 AU - 3.36 AU

Year: 1974 Days

Day: 12.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.2 AU - 5.06 AU

Year: 3035 Days

Day: 14.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,750,313 km

• M1: 18,700 km (0.114 R)
• M2: 119,529 km (0.043 R)

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 13.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.4 AU - 8.48 AU

Year: 6612 Days

Day: 8.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,750,313 km

• M1: 164,707 km (0.068 R)
• M2: 2,583,555 km (0.081 R)
• M3: 4,006,081 km (0.116 R)
• M4: 4,465,048 km (0.071 R)
• M5: 5,590,173 km (0.095 R)
• M6: 11,202,038 km (0.082 R)
• M7: 11,738,047 km (0.067 R)
• M8: 14,293,478 km (0.063 R)
• M9: 16,983,697 km (0.109 R)
• M10: 19,460,589 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 9.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.03 AU - 10.73 AU

Year: 12094 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,750,313 km

• M1: 123,269 km (0.114 R)
• M2: 501,751 km (0.106 R)
• M3: 1,095,954 km (0.098 R)
• M4: 1,584,840 km (0.067 R)
• M5: 1,911,113 km (0.064 R)
• M6: 4,123,665 km (0.101 R)
• M7: 4,608,512 km (0.102 R)
• M8: 5,041,448 km (0.096 R)
• M9: 8,192,428 km (0.112 R)
• M10: 9,775,772 km (0.068 R)
• M11: 10,249,698 km (0.102 R)
• M12: 12,083,618 km (0.071 R)
• M13: 13,888,966 km (0.117 R)
• M14: 15,042,365 km (0.087 R)
• M15: 16,456,215 km (0.102 R)
• M16: 19,103,798 km (0.097 R)
• M17: 22,755,631 km (0.086 R)
• M18: 25,404,112 km (0.063 R)
• M19: 26,756,477 km (0.117 R)
• M20: 35,894,962 km (0.032 R)
• M21: 38,291,669 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.3

Radius: 3.1

Gravity: 66.84 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.21 AU - 15.81 AU

Year: 16971 Days

Day: 22.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,750,313 km

• M1: 40,242 km (0.05 R)
• M2: 140,024 km (0.062 R)
• M3: 237,711 km (0.05 R)
• M4: 572,212 km (0.086 R)
• M5: 798,404 km (0.118 R)
• M6: 1,144,723 km (0.099 R)
• M7: 1,699,432 km (0.095 R)
• M8: 2,224,520 km (0.091 R)
• M9: 2,614,522 km (0.068 R)
• M10: 2,778,032 km (0.067 R)
• M11: 3,363,259 km (0.056 R)
• M12: 4,569,467 km (0.098 R)
• M13: 5,492,037 km (0.119 R)
• M14: 5,682,625 km (0.112 R)
• M15: 7,696,511 km (0.116 R)
• M16: 9,582,043 km (0.116 R)
• M17: 10,426,972 km (0.034 R)
• M18: 11,817,035 km (0.091 R)
• M19: 12,523,586 km (0.085 R)
• M20: 12,987,638 km (0.082 R)
• M21: 16,325,616 km (0.106 R)
• M22: 18,871,323 km (0.077 R)
• M23: 21,669,401 km (0.054 R)
• M24: 23,315,127 km (0.117 R)
• M25: 30,494,628 km (0.115 R)
• M26: 35,099,400 km (0.103 R)
• M27: 37,498,202 km (0.1 R)
• M28: 40,003,967 km (0.101 R)
• M29: 41,735,113 km (0.081 R)
• M30: 42,767,638 km (0.093 R)
• M31: 48,025,853 km (0.065 R)
• M32: 50,310,662 km (0.053 R)
• M33: 56,337,212 km (0.109 R)
• M34: 57,055,132 km (0.08 R)
• M35: 57,235,547 km (0.045 R)
• M36: 59,987,849 km (0.113 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 11,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit