🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.16 AU - 1.6 AU

Year: 578 Days

Day: 35.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.01 AU - 2.75 AU

Year: 1309 Days

Day: 15.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.36 AU - 3.18 AU

Year: 1643 Days

Day: 17.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.72 AU - 2.92 AU

Year: 1688 Days

Day: 30.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,172,295 km

• M1: 65,673 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.2

Radius: 13.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.02 AU - 12.3 AU

Year: 14192 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,172,295 km

• M1: 163,211 km (0.099 R)
• M2: 643,570 km (0.065 R)
• M3: 1,055,563 km (0.107 R)
• M4: 1,702,125 km (0.118 R)
• M5: 2,409,124 km (0.043 R)
• M6: 3,226,976 km (0.082 R)
• M7: 3,978,256 km (0.112 R)
• M8: 4,809,272 km (0.118 R)
• M9: 8,600,980 km (0.086 R)
• M10: 14,978,936 km (0.073 R)
• M11: 16,269,816 km (0.083 R)
• M12: 23,158,199 km (0.088 R)
• M13: 25,195,124 km (0.11 R)
• M14: 28,018,185 km (0.09 R)
• M15: 28,927,740 km (0.12 R)
• M16: 31,774,438 km (0.096 R)
• M17: 33,265,779 km (0.094 R)
• M18: 35,721,578 km (0.109 R)
• M19: 38,434,984 km (0.109 R)
• M20: 40,558,077 km (0.101 R)
• M21: 51,846,583 km (0.101 R)
• M22: 53,390,134 km (0.089 R)
• M23: 54,964,053 km (0.099 R)
• M24: 59,871,611 km (0.034 R)
• M25: 63,495,171 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 10.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.12 AU - 13.18 AU

Year: 16037 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,172,295 km

• M1: 132,544 km (0.098 R)
• M2: 462,257 km (0.093 R)
• M3: 825,182 km (0.083 R)
• M4: 1,221,915 km (0.104 R)
• M5: 1,592,170 km (0.111 R)
• M6: 3,502,834 km (0.096 R)
• M7: 4,540,295 km (0.094 R)
• M8: 5,038,755 km (0.05 R)
• M9: 5,704,616 km (0.102 R)
• M10: 6,285,803 km (0.08 R)
• M11: 7,367,994 km (0.099 R)
• M12: 12,279,442 km (0.091 R)
• M13: 12,729,432 km (0.088 R)
• M14: 23,774,542 km (0.1 R)
• M15: 30,575,262 km (0.119 R)
• M16: 32,033,242 km (0.081 R)
• M17: 39,049,981 km (0.116 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 10,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit