🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.5 AU - 0.54 AU

Year: 131 Days

Day: 31.6 Hours

Environment

Temp: 292 °C

Axial Tilt: 133.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.89 AU

Year: 209 Days

Day: 21.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.2 AU - 1.22 AU

Year: 466 Days

Day: 45.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.35 AU - 2.15 AU

Year: 810 Days

Day: 26 Hours

Environment

Temp: -36 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.83 AU - 1.87 AU

Year: 880 Days

Day: 19.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 13

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 12.06 AU - 13.66 AU

Year: 16134 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 175.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,504,196 km

• M1: 163,062 km (0.071 R)
• M2: 778,807 km (0.08 R)
• M3: 1,708,707 km (0.047 R)
• M4: 2,531,645 km (0.092 R)
• M5: 3,123,304 km (0.069 R)
• M6: 4,256,957 km (0.085 R)
• M7: 4,824,083 km (0.091 R)
• M8: 9,226,000 km (0.068 R)
• M9: 12,486,635 km (0.032 R)
• M10: 14,890,673 km (0.116 R)
• M11: 16,448,286 km (0.078 R)
• M12: 17,980,168 km (0.07 R)
• M13: 21,846,675 km (0.104 R)
• M14: 26,066,382 km (0.086 R)
• M15: 28,412,076 km (0.067 R)
• M16: 29,682,312 km (0.042 R)
• M17: 30,331,417 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.4

Radius: 6.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 13.69 AU - 18.87 AU

Year: 22980 Days

Day: 20.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,504,196 km

• M1: 98,136 km (0.103 R)
• M2: 425,905 km (0.057 R)
• M3: 1,021,005 km (0.101 R)
• M4: 1,453,493 km (0.037 R)
• M5: 2,037,074 km (0.075 R)
• M6: 2,788,056 km (0.06 R)
• M7: 3,349,496 km (0.097 R)
• M8: 4,154,183 km (0.114 R)
• M9: 8,171,185 km (0.057 R)
• M10: 10,451,506 km (0.094 R)
• M11: 11,165,835 km (0.116 R)
• M12: 11,737,000 km (0.075 R)
• M13: 21,294,210 km (0.101 R)
• M14: 26,621,839 km (0.091 R)
• M15: 32,774,350 km (0.083 R)
• M16: 34,777,765 km (0.087 R)
• M17: 37,616,235 km (0.111 R)
• M18: 42,089,511 km (0.119 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 12,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit