🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.39 AU - 0.63 AU

Year: 134 Days

Day: 18.4 Hours

Environment

Temp: 263 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.11 AU - 4.51 AU

Year: 3285 Days

Day: 31.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,910,573 km

• M1: 146,307 km (0.09 R)
• M2: 3,503,283 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 10.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.1 AU - 7.74 AU

Year: 5971 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,910,573 km

• M1: 128,654 km (0.118 R)
• M2: 919,279 km (0.08 R)
• M3: 1,340,995 km (0.103 R)
• M4: 1,805,646 km (0.103 R)
• M5: 3,249,266 km (0.081 R)
• M6: 4,914,140 km (0.114 R)
• M7: 6,457,691 km (0.103 R)
• M8: 8,585,571 km (0.092 R)
• M9: 10,057,166 km (0.105 R)
• M10: 15,781,528 km (0.044 R)
• M11: 18,522,760 km (0.071 R)
• M12: 19,008,653 km (0.109 R)
• M13: 21,949,897 km (0.096 R)
• M14: 35,043,451 km (0.08 R)
• M15: 35,573,476 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.8

Radius: 3.2

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 13.02 AU - 16.4 AU

Year: 20711 Days

Day: 23 Hours

Environment

Temp: -189 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,910,573 km

• M1: 40,092 km (0.113 R)
• M2: 148,102 km (0.051 R)
• M3: 295,007 km (0.046 R)
• M4: 396,734 km (0.067 R)
• M5: 602,730 km (0.068 R)
• M6: 836,551 km (0.116 R)
• M7: 1,888,524 km (0.086 R)
• M8: 2,696,202 km (0.108 R)
• M9: 4,452,033 km (0.097 R)
• M10: 5,086,028 km (0.05 R)
• M11: 6,184,077 km (0.098 R)
• M12: 8,645,710 km (0.11 R)
• M13: 9,626,473 km (0.031 R)
• M14: 9,986,555 km (0.082 R)
• M15: 11,517,091 km (0.106 R)
• M16: 12,947,696 km (0.07 R)
• M17: 17,865,427 km (0.081 R)
• M18: 18,330,377 km (0.115 R)
• M19: 18,803,405 km (0.102 R)
• M20: 19,123,245 km (0.119 R)
• M21: 20,271,110 km (0.107 R)
• M22: 21,033,012 km (0.114 R)
• M23: 26,705,613 km (0.1 R)
• M24: 27,723,328 km (0.087 R)
• M25: 39,358,601 km (0.044 R)
• M26: 45,513,207 km (0.09 R)
• M27: 45,656,821 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 18,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit