🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.59 AU - 0.69 AU

Year: 336 Days

Day: 37.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.61 AU - 0.69 AU

Year: 344 Days

Day: 45.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.54 AU - 0.78 AU

Year: 352 Days

Day: 22.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,144,599 km

• M1: 33,211 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 14.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.87 AU - 1.25 AU

Year: 716 Days

Day: 12.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 9,144,599 km

• M1: 179,069 km (0.115 R)
• M2: 773,271 km (0.106 R)
• M3: 1,229,545 km (0.091 R)
• M4: 1,897,948 km (0.055 R)
• M5: 2,491,702 km (0.03 R)
• M6: 3,266,619 km (0.111 R)
• M7: 3,756,403 km (0.079 R)
• M8: 4,323,827 km (0.07 R)
• M9: 4,948,398 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 12.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.34 AU - 1.64 AU

Year: 1193 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 9,144,599 km

• M1: 151,692 km (0.064 R)
• M2: 583,132 km (0.116 R)
• M3: 986,748 km (0.112 R)
• M4: 1,375,104 km (0.082 R)
• M5: 2,141,793 km (0.065 R)
• M6: 2,799,275 km (0.097 R)
• M7: 3,870,695 km (0.097 R)
• M8: 4,254,563 km (0.094 R)
• M9: 5,521,209 km (0.095 R)
• M10: 6,253,490 km (0.032 R)
• M11: 6,976,646 km (0.11 R)
• M12: 8,814,755 km (0.087 R)
• M13: 9,938,235 km (0.1 R)
• M14: 11,022,371 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 13

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.09 AU - 2.31 AU

Year: 2141 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 9,144,599 km

• M1: 162,164 km (0.031 R)
• M2: 803,640 km (0.111 R)
• M3: 2,200,585 km (0.112 R)
• M4: 2,815,282 km (0.111 R)
• M5: 3,831,351 km (0.064 R)
• M6: 4,624,369 km (0.04 R)
• M7: 7,985,684 km (0.101 R)
• M8: 8,590,508 km (0.085 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: 224 - 15,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit