🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.55 AU - 0.83 AU

Year: 208 Days

Day: 37.1 Hours

Environment

Temp: 123 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.73 AU - 0.95 AU

Year: 280 Days

Day: 41 Hours

Environment

Temp: 118 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,512,238 km

• M1: 332,706 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.19 AU

Year: 385 Days

Day: 32 Hours

Environment

Temp: 37 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.35 AU - 1.87 AU

Year: 742 Days

Day: 34.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.23 AU - 4.57 AU

Year: 3354 Days

Day: 41.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.2

Radius: 4.3

Gravity: 35.38 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.48 AU - 16.68 AU

Year: 20233 Days

Day: 16.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 75,512,238 km

• M1: 54,753 km (0.088 R)
• M2: 264,938 km (0.028 R)
• M3: 451,038 km (0.072 R)
• M4: 666,309 km (0.097 R)
• M5: 1,190,649 km (0.088 R)
• M6: 1,571,974 km (0.094 R)
• M7: 1,727,706 km (0.056 R)
• M8: 2,194,451 km (0.072 R)
• M9: 2,549,297 km (0.116 R)
• M10: 2,967,274 km (0.119 R)
• M11: 3,233,558 km (0.078 R)
• M12: 4,193,976 km (0.099 R)
• M13: 5,446,709 km (0.114 R)
• M14: 5,969,703 km (0.103 R)
• M15: 6,929,673 km (0.111 R)
• M16: 7,161,400 km (0.091 R)
• M17: 7,988,227 km (0.074 R)
• M18: 8,450,933 km (0.084 R)
• M19: 8,822,834 km (0.068 R)
• M20: 10,541,564 km (0.097 R)
• M21: 14,175,595 km (0.089 R)
• M22: 16,680,761 km (0.025 R)
• M23: 18,124,530 km (0.07 R)
• M24: 20,207,830 km (0.084 R)
• M25: 21,453,083 km (0.06 R)
• M26: 23,884,946 km (0.091 R)
• M27: 34,907,167 km (0.104 R)
• M28: 35,314,522 km (0.103 R)
• M29: 37,968,538 km (0.05 R)
• M30: 39,859,006 km (0.103 R)
• M31: 40,155,360 km (0.04 R)
• M32: 44,459,440 km (0.107 R)
• M33: 45,098,372 km (0.068 R)
• M34: 45,420,158 km (0.077 R)
• M35: 45,743,439 km (0.082 R)
• M36: 49,061,070 km (0.045 R)
• M37: 51,126,718 km (0.071 R)
• M38: 52,180,934 km (0.105 R)
• M39: 53,249,512 km (0.109 R)
• M40: 60,945,275 km (0.096 R)
• M41: 61,535,738 km (0.116 R)
• M42: 69,993,104 km (0.092 R)
• M43: 70,857,480 km (0.068 R)
• M44: 74,610,292 km (0.1 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 13,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit