🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.08 AU - 1.54 AU

Year: 577 Days

Day: 17.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,495,744 km

• M1: 474,524 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.89 AU - 3.81 AU

Year: 2361 Days

Day: 37.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 13.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.84 AU - 4.84 AU

Year: 3481 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,495,744 km

• M1: 167,998 km (0.091 R)
• M2: 820,694 km (0.069 R)
• M3: 1,431,652 km (0.094 R)
• M4: 1,950,307 km (0.1 R)
• M5: 2,693,210 km (0.089 R)
• M6: 4,174,678 km (0.049 R)
• M7: 4,852,506 km (0.064 R)
• M8: 5,321,495 km (0.113 R)
• M9: 6,588,141 km (0.067 R)
• M10: 7,249,962 km (0.097 R)
• M11: 8,869,059 km (0.111 R)
• M12: 10,099,053 km (0.069 R)
• M13: 10,904,937 km (0.057 R)
• M14: 13,407,859 km (0.093 R)
• M15: 14,022,257 km (0.109 R)
• M16: 16,769,921 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 12.8

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.79 AU - 5.95 AU

Year: 4138 Days

Day: 5.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,495,744 km

• M1: 159,322 km (0.045 R)
• M2: 781,050 km (0.075 R)
• M3: 1,299,108 km (0.074 R)
• M4: 1,841,849 km (0.106 R)
• M5: 2,373,669 km (0.106 R)
• M6: 2,807,653 km (0.108 R)
• M7: 3,904,953 km (0.06 R)
• M8: 4,947,800 km (0.098 R)
• M9: 5,606,180 km (0.113 R)
• M10: 7,405,693 km (0.097 R)
• M11: 10,109,076 km (0.064 R)
• M12: 13,155,637 km (0.066 R)
• M13: 13,673,395 km (0.118 R)
• M14: 15,479,191 km (0.103 R)
• M15: 23,845,751 km (0.082 R)
• M16: 24,383,406 km (0.114 R)
• M17: 25,642,870 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 13.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.5 AU - 10.02 AU

Year: 9140 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,495,744 km

• M1: 170,990 km (0.113 R)
• M2: 720,314 km (0.11 R)
• M3: 1,593,217 km (0.101 R)
• M4: 2,936,307 km (0.111 R)
• M5: 4,713,829 km (0.1 R)
• M6: 5,345,282 km (0.118 R)
• M7: 6,294,181 km (0.113 R)
• M8: 7,719,250 km (0.106 R)
• M9: 8,310,461 km (0.072 R)
• M10: 10,854,522 km (0.112 R)
• M11: 11,642,454 km (0.058 R)
• M12: 12,234,862 km (0.101 R)
• M13: 12,847,465 km (0.055 R)
• M14: 14,339,255 km (0.093 R)
• M15: 15,723,335 km (0.095 R)
• M16: 16,732,522 km (0.06 R)
• M17: 19,507,562 km (0.028 R)
• M18: 25,268,427 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 10,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit