🌌 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: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.63 AU - 0.81 AU

Year: 219 Days

Day: 38.5 Hours

Environment

Temp: 207 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 110,132,360 km

• M1: 162,912 km (0.118 R)
• M2: 205,248 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.8 AU - 0.84 AU

Year: 266 Days

Day: 38.5 Hours

Environment

Temp: 186 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.84 AU - 1.02 AU

Year: 321 Days

Day: 35.5 Hours

Environment

Temp: 97 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,132,360 km

• M1: 51,013 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.37 AU - 4.49 AU

Year: 2790 Days

Day: 27.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,132,360 km

• M1: 2,087,189 km (0.111 R)

Asteroid Belt

Center: 11.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 6.6

Gravity: 20.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 14.91 AU - 24.11 AU

Year: 30865 Days

Day: 18.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 110,132,360 km

• M1: 84,523 km (0.116 R)
• M2: 468,541 km (0.101 R)
• M3: 734,675 km (0.102 R)
• M4: 949,348 km (0.12 R)
• M5: 2,907,285 km (0.103 R)
• M6: 3,329,001 km (0.115 R)
• M7: 3,756,253 km (0.117 R)
• M8: 4,369,455 km (0.081 R)
• M9: 6,660,546 km (0.12 R)
• M10: 7,446,982 km (0.11 R)
• M11: 8,293,856 km (0.074 R)
• M12: 8,954,480 km (0.1 R)
• M13: 9,203,261 km (0.085 R)
• M14: 9,585,035 km (0.094 R)
• M15: 9,845,335 km (0.057 R)
• M16: 10,177,442 km (0.116 R)
• M17: 11,802,075 km (0.073 R)
• M18: 12,714,921 km (0.04 R)
• M19: 13,592,163 km (0.117 R)
• M20: 23,380,651 km (0.103 R)
• M21: 25,184,502 km (0.116 R)
• M22: 26,692,748 km (0.027 R)
• M23: 30,725,009 km (0.063 R)
• M24: 31,291,686 km (0.096 R)
• M25: 32,299,826 km (0.092 R)
• M26: 47,256,322 km (0.087 R)
• M27: 55,377,990 km (0.112 R)
• M28: 56,216,785 km (0.039 R)
• M29: 59,657,088 km (0.09 R)
• M30: 60,760,222 km (0.05 R)
• M31: 63,235,170 km (0.089 R)
• M32: 76,622,833 km (0.087 R)
• M33: 77,664,183 km (0.11 R)
• M34: 83,560,733 km (0.055 R)
• M35: 88,031,914 km (0.047 R)
• M36: 93,545,344 km (0.077 R)
• M37: 95,934,123 km (0.102 R)
• M38: 100,833,004 km (0.084 R)
• M39: 103,660,553 km (0.092 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 17,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit