🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.4 AU - 0.62 AU

Year: 127 Days

Day: 31.2 Hours

Environment

Temp: 249 °C

Axial Tilt: 104.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.58 AU - 0.96 AU

Year: 236 Days

Day: 39.5 Hours

Environment

Temp: 161 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.74 AU - 1.16 AU

Year: 324 Days

Day: 44.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.1 AU - 1.32 AU

Year: 466 Days

Day: 46.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.25 AU - 1.63 AU

Year: 605 Days

Day: 44.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,772,413 km

• M1: 15,708 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.88 AU - 3.14 AU

Year: 1827 Days

Day: 35.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.92 AU - 3.92 AU

Year: 2213 Days

Day: 40.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 14.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.95 AU - 6.01 AU

Year: 5116 Days

Day: 11.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,772,413 km

• M1: 175,478 km (0.115 R)
• M2: 766,539 km (0.03 R)
• M3: 1,495,680 km (0.11 R)
• M4: 2,086,292 km (0.073 R)
• M5: 4,981,310 km (0.118 R)
• M6: 5,650,312 km (0.059 R)
• M7: 6,318,266 km (0.114 R)
• M8: 6,813,585 km (0.087 R)
• M9: 7,268,213 km (0.12 R)
• M10: 8,384,362 km (0.038 R)
• M11: 10,738,285 km (0.072 R)
• M12: 14,700,534 km (0.107 R)
• M13: 18,340,849 km (0.072 R)
• M14: 22,472,293 km (0.076 R)
• M15: 23,265,162 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 10.3

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.18 AU - 8.42 AU

Year: 7621 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,772,413 km

• M1: 128,355 km (0.085 R)
• M2: 467,045 km (0.081 R)
• M3: 844,779 km (0.069 R)
• M4: 1,627,924 km (0.095 R)
• M5: 2,259,227 km (0.063 R)
• M6: 2,680,644 km (0.109 R)
• M7: 3,132,579 km (0.114 R)
• M8: 3,563,272 km (0.118 R)
• M9: 4,270,271 km (0.054 R)
• M10: 4,978,168 km (0.106 R)
• M11: 5,344,833 km (0.048 R)
• M12: 5,861,843 km (0.109 R)
• M13: 6,376,460 km (0.033 R)
• M14: 11,963,491 km (0.057 R)
• M15: 13,366,570 km (0.117 R)
• M16: 15,064,954 km (0.114 R)
• M17: 15,770,009 km (0.118 R)
• M18: 17,664,068 km (0.063 R)
• M19: 23,222,975 km (0.108 R)
• M20: 33,588,612 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 5.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 10.53 AU - 17.19 AU

Year: 18052 Days

Day: 23.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,772,413 km

• M1: 73,602 km (0.118 R)
• M2: 347,815 km (0.062 R)
• M3: 597,195 km (0.101 R)
• M4: 832,063 km (0.104 R)
• M5: 1,536,370 km (0.114 R)
• M6: 2,918,056 km (0.101 R)
• M7: 4,644,116 km (0.112 R)
• M8: 6,896,312 km (0.076 R)
• M9: 14,117,252 km (0.05 R)
• M10: 14,510,545 km (0.101 R)
• M11: 15,786,764 km (0.114 R)
• M12: 16,696,170 km (0.057 R)
• M13: 17,247,139 km (0.101 R)
• M14: 17,753,378 km (0.119 R)
• M15: 20,123,457 km (0.107 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 20,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit