🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 214 Days

Day: 36.6 Hours

Environment

Temp: 145 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.74 AU - 0.76 AU

Year: 227 Days

Day: 17.2 Hours

Environment

Temp: 179 °C

Axial Tilt: 41 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 17,626,205 km

• M1: 178,171 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.88 AU - 2.02 AU

Year: 953 Days

Day: 15.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.27 AU - 2.83 AU

Year: 1425 Days

Day: 43.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.67 AU - 3.15 AU

Year: 1737 Days

Day: 37.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,626,205 km

• M1: 1,003,503 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.92 AU - 3.42 AU

Year: 1975 Days

Day: 40.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,626,205 km

• M1: 63,579 km (0.108 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.75 AU - 3.75 AU

Year: 2541 Days

Day: 30.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 8.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.27 AU - 9.25 AU

Year: 9071 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 17,626,205 km

• M1: 114,442 km (0.099 R)
• M2: 173,384 km (0.055 R)
• M3: 264,339 km (0.086 R)
• M4: 334,202 km (0.109 R)
• M5: 391,797 km (0.119 R)
• M6: 637,437 km (0.109 R)
• M7: 910,453 km (0.095 R)
• M8: 1,314,516 km (0.114 R)
• M9: 1,379,741 km (0.107 R)
• M10: 1,434,943 km (0.098 R)
• M11: 1,878,949 km (0.068 R)
• M12: 1,965,417 km (0.09 R)
• M13: 2,129,376 km (0.11 R)
• M14: 2,232,599 km (0.084 R)
• M15: 2,689,770 km (0.079 R)
• M16: 2,787,607 km (0.101 R)
• M17: 2,915,064 km (0.105 R)
• M18: 3,001,083 km (0.069 R)
• M19: 3,338,875 km (0.091 R)
• M20: 3,535,297 km (0.056 R)
• M21: 3,720,050 km (0.06 R)
• M22: 3,813,549 km (0.07 R)
• M23: 3,907,796 km (0.097 R)
• M24: 4,002,940 km (0.118 R)
• M25: 4,325,622 km (0.064 R)
• M26: 4,457,119 km (0.079 R)
• M27: 4,673,587 km (0.066 R)
• M28: 5,573,568 km (0.098 R)
• M29: 5,915,698 km (0.087 R)
• M30: 6,227,610 km (0.083 R)
• M31: 6,450,959 km (0.116 R)
• M32: 6,582,606 km (0.033 R)
• M33: 7,040,375 km (0.11 R)
• M34: 7,137,015 km (0.118 R)
• M35: 7,826,213 km (0.056 R)
• M36: 8,047,169 km (0.077 R)
• M37: 8,168,493 km (0.092 R)
• M38: 8,310,910 km (0.11 R)
• M39: 8,784,686 km (0.077 R)
• M40: 9,267,289 km (0.108 R)
• M41: 9,330,868 km (0.108 R)
• M42: 9,543,895 km (0.093 R)
• M43: 9,651,007 km (0.036 R)
• M44: 9,715,335 km (0.077 R)
• M45: 10,588,388 km (0.105 R)
• M46: 10,810,690 km (0.029 R)
• M47: 10,989,460 km (0.088 R)
• M48: 11,191,866 km (0.056 R)
• M49: 11,395,618 km (0.118 R)
• M50: 12,175,920 km (0.067 R)
• M51: 12,784,335 km (0.116 R)
• M52: 13,715,432 km (0.037 R)
• M53: 14,079,404 km (0.101 R)
• M54: 14,299,312 km (0.032 R)
• M55: 14,767,255 km (0.114 R)
• M56: 16,843,823 km (0.088 R)
• M57: 16,921,464 km (0.111 R)
• M58: 17,495,022 km (0.111 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit