🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.59 AU - 0.67 AU

Year: 187 Days

Day: 15 Hours

Environment

Temp: 137 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.42 AU - 4.82 AU

Year: 3134 Days

Day: 34.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,792,062 km

• M1: 1,868,777 km (0.113 R)

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 11.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.23 AU - 5.87 AU

Year: 4900 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,792,062 km

• M1: 143,165 km (0.099 R)
• M2: 1,289,085 km (0.081 R)
• M3: 1,882,689 km (0.11 R)
• M4: 2,701,887 km (0.1 R)
• M5: 3,744,734 km (0.101 R)
• M6: 5,140,931 km (0.119 R)
• M7: 6,101,349 km (0.09 R)
• M8: 10,107,879 km (0.076 R)
• M9: 11,610,889 km (0.043 R)
• M10: 12,020,488 km (0.114 R)
• M11: 16,097,180 km (0.113 R)
• M12: 17,599,142 km (0.102 R)
• M13: 19,255,640 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 14.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.28 AU - 11.26 AU

Year: 10577 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,792,062 km

• M1: 175,628 km (0.044 R)
• M2: 741,407 km (0.098 R)
• M3: 1,219,671 km (0.092 R)
• M4: 1,942,528 km (0.092 R)
• M5: 2,431,265 km (0.057 R)
• M6: 4,364,069 km (0.118 R)
• M7: 9,065,033 km (0.103 R)
• M8: 9,957,982 km (0.1 R)
• M9: 11,701,845 km (0.092 R)
• M10: 16,323,072 km (0.03 R)
• M11: 20,264,976 km (0.084 R)
• M12: 21,382,323 km (0.042 R)
• M13: 23,914,416 km (0.092 R)
• M14: 24,355,132 km (0.065 R)
• M15: 37,693,577 km (0.102 R)
• M16: 39,016,172 km (0.103 R)
• M17: 41,626,804 km (0.03 R)
• M18: 44,351,879 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.2

Radius: 7

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 13.68 AU - 18.2 AU

Year: 23848 Days

Day: 21.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,792,062 km

• M1: 181,462 km (0.072 R)
• M2: 426,653 km (0.079 R)
• M3: 645,964 km (0.09 R)
• M4: 3,980,051 km (0.102 R)
• M5: 4,427,798 km (0.099 R)
• M6: 5,306,386 km (0.095 R)
• M7: 5,911,509 km (0.099 R)
• M8: 7,513,852 km (0.086 R)
• M9: 9,300,649 km (0.088 R)
• M10: 9,777,118 km (0.079 R)
• M11: 13,967,804 km (0.09 R)
• M12: 15,534,542 km (0.1 R)
• M13: 17,538,854 km (0.106 R)
• M14: 20,859,329 km (0.115 R)
• M15: 26,161,975 km (0.096 R)
• M16: 26,418,386 km (0.108 R)
• M17: 27,373,269 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 17,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit