🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.49 AU - 0.55 AU

Year: 142 Days

Day: 31 Hours

Environment

Temp: 168 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.44 AU - 0.7 AU

Year: 163 Days

Day: 32.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.53 AU - 0.77 AU

Year: 198 Days

Day: 36.9 Hours

Environment

Temp: 187 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.02 AU - 1.36 AU

Year: 492 Days

Day: 42.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.2 AU - 1.34 AU

Year: 542 Days

Day: 30.3 Hours

Environment

Temp: -24 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,613,217 km

• M1: 139,575 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.23 AU - 1.99 AU

Year: 774 Days

Day: 42.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,613,217 km

• M1: 103,971 km (0.05 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.02 AU - 2.04 AU

Year: 1095 Days

Day: 34.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 11.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.78 AU - 4.88 AU

Year: 3413 Days

Day: 13.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,613,217 km

• M1: 144,212 km (0.092 R)
• M2: 634,744 km (0.113 R)
• M3: 1,126,173 km (0.114 R)
• M4: 1,694,645 km (0.103 R)
• M5: 2,117,558 km (0.034 R)
• M6: 4,726,844 km (0.043 R)
• M7: 5,298,607 km (0.109 R)
• M8: 6,842,457 km (0.08 R)
• M9: 7,734,210 km (0.044 R)
• M10: 8,736,516 km (0.096 R)
• M11: 12,090,350 km (0.118 R)
• M12: 14,197,287 km (0.029 R)
• M13: 16,807,620 km (0.055 R)
• M14: 17,800,651 km (0.094 R)
• M15: 21,078,190 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.7

Radius: 7.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 13.83 AU - 18.21 AU

Year: 24285 Days

Day: 22.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,613,217 km

• M1: 98,286 km (0.03 R)
• M2: 563,685 km (0.081 R)
• M3: 1,375,552 km (0.092 R)
• M4: 1,729,351 km (0.109 R)
• M5: 3,471,269 km (0.114 R)
• M6: 4,492,723 km (0.1 R)
• M7: 5,018,111 km (0.076 R)
• M8: 5,277,065 km (0.072 R)
• M9: 6,360,602 km (0.081 R)
• M10: 7,633,830 km (0.078 R)
• M11: 8,960,763 km (0.12 R)
• M12: 11,482,385 km (0.106 R)
• M13: 11,738,646 km (0.063 R)
• M14: 13,569,873 km (0.107 R)
• M15: 14,967,566 km (0.058 R)
• M16: 15,977,501 km (0.111 R)
• M17: 18,832,876 km (0.113 R)
• M18: 22,707,610 km (0.083 R)
• M19: 24,671,082 km (0.062 R)
• M20: 25,205,895 km (0.092 R)
• M21: 26,299,006 km (0.071 R)
• M22: 27,882,051 km (0.108 R)
• M23: 31,736,739 km (0.063 R)
• M24: 37,596,937 km (0.08 R)
• M25: 45,886,005 km (0.108 R)
• M26: 47,184,814 km (0.114 R)
• M27: 49,685,941 km (0.1 R)
• M28: 52,449,911 km (0.082 R)
• M29: 57,157,008 km (0.118 R)
• M30: 58,093,341 km (0.093 R)
• M31: 62,335,338 km (0.111 R)
• M32: 66,572,698 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 10,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit