🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.82 AU - 1.24 AU

Year: 371 Days

Day: 18.9 Hours

Environment

Temp: 95 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.74 AU - 3.04 AU

Year: 1743 Days

Day: 47 Hours

Environment

Temp: -97 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 8.6

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.21 AU - 6.59 AU

Year: 4452 Days

Day: 6 Hours

Environment

Temp: -130 °C

Axial Tilt: 142 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,517,859 km

• M1: 108,758 km (0.036 R)
• M2: 388,506 km (0.097 R)
• M3: 776,862 km (0.071 R)
• M4: 1,136,794 km (0.095 R)
• M5: 2,559,470 km (0.076 R)
• M6: 3,289,059 km (0.11 R)
• M7: 4,469,236 km (0.061 R)
• M8: 5,183,267 km (0.059 R)
• M9: 7,967,882 km (0.114 R)
• M10: 10,915,558 km (0.09 R)
• M11: 11,668,335 km (0.067 R)
• M12: 12,255,207 km (0.077 R)
• M13: 13,224,601 km (0.109 R)
• M14: 17,808,280 km (0.119 R)
• M15: 20,700,905 km (0.118 R)
• M16: 23,582,608 km (0.09 R)
• M17: 27,483,223 km (0.078 R)
• M18: 30,768,692 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 13.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.11 AU - 8.15 AU

Year: 6056 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,517,859 km

• M1: 163,660 km (0.09 R)
• M2: 574,905 km (0.118 R)
• M3: 1,034,170 km (0.065 R)
• M4: 1,784,403 km (0.055 R)
• M5: 2,218,536 km (0.078 R)
• M6: 3,103,258 km (0.118 R)
• M7: 4,100,478 km (0.084 R)
• M8: 4,868,962 km (0.1 R)
• M9: 5,648,816 km (0.109 R)
• M10: 8,034,602 km (0.1 R)
• M11: 9,745,404 km (0.054 R)
• M12: 11,027,906 km (0.084 R)
• M13: 12,004,182 km (0.062 R)
• M14: 12,702,505 km (0.069 R)
• M15: 13,134,244 km (0.099 R)
• M16: 13,625,524 km (0.116 R)
• M17: 15,173,562 km (0.105 R)
• M18: 17,711,191 km (0.08 R)
• M19: 18,190,203 km (0.044 R)
• M20: 18,925,178 km (0.054 R)
• M21: 21,115,141 km (0.071 R)
• M22: 24,709,828 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.9

Radius: 9.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.03 AU - 8.67 AU

Year: 7069 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,517,859 km

• M1: 114,442 km (0.066 R)
• M2: 456,274 km (0.083 R)
• M3: 877,691 km (0.118 R)
• M4: 1,828,984 km (0.107 R)
• M5: 3,085,157 km (0.075 R)
• M6: 3,376,574 km (0.075 R)
• M7: 4,840,987 km (0.118 R)
• M8: 6,966,773 km (0.088 R)
• M9: 8,156,076 km (0.074 R)
• M10: 10,461,678 km (0.092 R)
• M11: 13,116,592 km (0.11 R)
• M12: 14,168,863 km (0.086 R)
• M13: 19,714,905 km (0.053 R)
• M14: 25,530,373 km (0.116 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 10,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit