🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.51 AU - 0.59 AU

Year: 263 Days

Day: 46.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 11.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.86 AU - 0.94 AU

Year: 551 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,880,496 km

• M1: 144,512 km (0.088 R)
• M2: 555,158 km (0.117 R)
• M3: 1,148,912 km (0.083 R)
• M4: 1,642,884 km (0.113 R)
• M5: 2,046,349 km (0.09 R)
• M6: 2,507,260 km (0.099 R)
• M7: 3,068,552 km (0.043 R)
• M8: 3,884,010 km (0.106 R)
• M9: 4,296,301 km (0.029 R)
• M10: 4,667,005 km (0.038 R)
• M11: 5,058,951 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 10.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.41 AU - 1.79 AU

Year: 1307 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,880,496 km

• M1: 125,662 km (0.116 R)
• M2: 445,054 km (0.113 R)
• M3: 790,774 km (0.106 R)
• M4: 1,111,662 km (0.105 R)
• M5: 1,817,614 km (0.07 R)
• M6: 2,197,144 km (0.103 R)
• M7: 2,616,616 km (0.043 R)
• M8: 3,399,761 km (0.112 R)
• M9: 3,947,140 km (0.1 R)
• M10: 4,350,007 km (0.105 R)
• M11: 5,116,397 km (0.105 R)
• M12: 5,704,616 km (0.111 R)
• M13: 6,037,920 km (0.052 R)
• M14: 7,635,924 km (0.094 R)
• M15: 8,604,720 km (0.073 R)
• M16: 9,622,434 km (0.087 R)
• M17: 10,552,185 km (0.116 R)
• M18: 12,367,854 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.6

Radius: 5.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.69 AU - 9.07 AU

Year: 15663 Days

Day: 17.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,880,496 km

• M1: 63,429 km (0.094 R)
• M2: 321,935 km (0.08 R)
• M3: 721,660 km (0.097 R)
• M4: 1,022,950 km (0.088 R)
• M5: 1,602,044 km (0.068 R)
• M6: 4,709,491 km (0.09 R)
• M7: 5,813,373 km (0.106 R)
• M8: 6,326,045 km (0.108 R)
• M9: 7,115,174 km (0.104 R)
• M10: 10,325,694 km (0.111 R)
• M11: 10,980,484 km (0.119 R)
• M12: 11,221,037 km (0.12 R)
• M13: 11,712,466 km (0.114 R)
• M14: 21,798,803 km (0.077 R)
• M15: 32,677,560 km (0.098 R)
• M16: 32,975,559 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 19,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit