🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.54 AU - 0.56 AU

Year: 268 Days

Day: 24.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 13.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.04 AU - 1.54 AU

Year: 961 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,094,631 km

• M1: 223,200 km (0.072 R)
• M2: 1,197,681 km (0.099 R)
• M3: 1,646,773 km (0.118 R)
• M4: 3,102,959 km (0.091 R)
• M5: 3,590,199 km (0.093 R)
• M6: 4,790,124 km (0.108 R)
• M7: 5,483,061 km (0.099 R)
• M8: 6,076,666 km (0.067 R)
• M9: 6,845,449 km (0.098 R)
• M10: 8,044,476 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.1

Radius: 10.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.82 AU - 1.86 AU

Year: 1637 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,094,631 km

• M1: 135,536 km (0.108 R)
• M2: 1,157,588 km (0.095 R)
• M3: 1,975,589 km (0.057 R)
• M4: 3,418,461 km (0.069 R)
• M5: 3,853,492 km (0.085 R)
• M6: 8,588,863 km (0.056 R)
• M7: 9,102,881 km (0.092 R)
• M8: 9,789,236 km (0.1 R)
• M9: 10,223,818 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 13.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.07 AU - 2.95 AU

Year: 2609 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,094,631 km

• M1: 170,841 km (0.104 R)
• M2: 597,643 km (0.038 R)
• M3: 1,041,800 km (0.104 R)
• M4: 1,676,095 km (0.109 R)
• M5: 2,914,316 km (0.063 R)
• M6: 3,816,690 km (0.105 R)
• M7: 4,387,107 km (0.112 R)
• M8: 5,156,190 km (0.037 R)
• M9: 5,649,414 km (0.094 R)
• M10: 6,963,781 km (0.092 R)
• M11: 8,882,523 km (0.099 R)
• M12: 12,130,742 km (0.05 R)
• M13: 12,651,941 km (0.118 R)
• M14: 13,507,790 km (0.086 R)
• M15: 14,210,451 km (0.097 R)
• M16: 14,741,075 km (0.068 R)
• M17: 16,518,298 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.8

Radius: 11.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.36 AU - 2.94 AU

Year: 2830 Days

Day: 6 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,094,631 km

• M1: 138,228 km (0.052 R)
• M2: 492,027 km (0.104 R)
• M3: 1,159,234 km (0.086 R)
• M4: 1,621,342 km (0.096 R)
• M5: 2,925,237 km (0.101 R)
• M6: 3,671,581 km (0.096 R)
• M7: 4,520,100 km (0.116 R)
• M8: 5,357,100 km (0.081 R)
• M9: 5,970,601 km (0.117 R)
• M10: 6,789,200 km (0.098 R)
• M11: 7,710,274 km (0.111 R)
• M12: 8,185,846 km (0.099 R)
• M13: 9,595,507 km (0.091 R)
• M14: 10,465,418 km (0.104 R)
• M15: 10,864,396 km (0.032 R)
• M16: 11,424,939 km (0.069 R)
• M17: 12,442,055 km (0.088 R)
• M18: 13,433,739 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 16,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit