🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.55 AU - 0.63 AU

Year: 207 Days

Day: 35.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,050,511 km

• M1: 178,620 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.51 AU - 0.83 AU

Year: 250 Days

Day: 33.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.17 AU - 1.19 AU

Year: 585 Days

Day: 33.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.25 AU - 1.73 AU

Year: 830 Days

Day: 25.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,050,511 km

• M1: 123,418 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.04 AU - 2.12 AU

Year: 1370 Days

Day: 32.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,050,511 km

• M1: 45,029 km (0.112 R)

Asteroid Belt

Center: 2.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 8.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.85 AU - 4.39 AU

Year: 3145 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,050,511 km

• M1: 108,608 km (0.046 R)
• M2: 719,117 km (0.098 R)
• M3: 1,297,911 km (0.076 R)
• M4: 1,803,702 km (0.096 R)
• M5: 2,258,180 km (0.081 R)
• M6: 2,926,434 km (0.045 R)
• M7: 3,606,057 km (0.111 R)
• M8: 6,117,356 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.2

Radius: 14.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.27 AU - 5.05 AU

Year: 3874 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,050,511 km

• M1: 191,485 km (0.092 R)
• M2: 864,676 km (0.094 R)
• M3: 1,808,339 km (0.117 R)
• M4: 2,429,469 km (0.113 R)
• M5: 3,134,823 km (0.074 R)
• M6: 3,799,038 km (0.078 R)
• M7: 4,754,370 km (0.079 R)
• M8: 5,467,204 km (0.076 R)
• M9: 7,616,776 km (0.095 R)
• M10: 8,557,597 km (0.097 R)
• M11: 9,213,733 km (0.094 R)
• M12: 15,790,803 km (0.114 R)
• M13: 21,291,068 km (0.068 R)
• M14: 23,975,452 km (0.116 R)
• M15: 25,438,220 km (0.034 R)
• M16: 27,535,433 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 10.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.31 AU - 9.83 AU

Year: 11454 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,050,511 km

• M1: 126,859 km (0.077 R)
• M2: 548,725 km (0.041 R)
• M3: 1,170,753 km (0.062 R)
• M4: 1,743,264 km (0.113 R)
• M5: 2,284,958 km (0.116 R)
• M6: 2,640,851 km (0.079 R)
• M7: 3,001,083 km (0.078 R)
• M8: 3,958,360 km (0.057 R)
• M9: 4,606,118 km (0.059 R)
• M10: 5,544,695 km (0.069 R)
• M11: 6,438,692 km (0.111 R)
• M12: 7,672,276 km (0.105 R)
• M13: 8,781,245 km (0.034 R)
• M14: 13,509,137 km (0.09 R)
• M15: 15,820,573 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.5

Radius: 6.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 14.18 AU - 16.94 AU

Year: 28023 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,050,511 km

• M1: 85,869 km (0.075 R)
• M2: 341,831 km (0.083 R)
• M3: 1,150,258 km (0.115 R)
• M4: 2,065,049 km (0.065 R)
• M5: 3,299,082 km (0.079 R)
• M6: 3,540,533 km (0.109 R)
• M7: 5,247,295 km (0.05 R)
• M8: 6,843,055 km (0.106 R)
• M9: 9,682,423 km (0.083 R)
• M10: 11,885,252 km (0.109 R)
• M11: 17,761,755 km (0.037 R)
• M12: 20,057,933 km (0.114 R)
• M13: 21,443,359 km (0.079 R)
• M14: 26,842,645 km (0.03 R)
• M15: 27,822,661 km (0.087 R)
• M16: 33,530,418 km (0.075 R)
• M17: 39,093,963 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 13,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit