🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.63 AU - 0.81 AU

Year: 216 Days

Day: 44.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.15 AU - 2.41 AU

Year: 1216 Days

Day: 31.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,204,176 km

• M1: 43,084 km (0.11 R)

Asteroid Belt

Center: 5.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 11.4

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.68 AU - 10.26 AU

Year: 10290 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,204,176 km

• M1: 141,819 km (0.058 R)
• M2: 1,590,674 km (0.054 R)
• M3: 1,969,755 km (0.097 R)
• M4: 3,593,640 km (0.11 R)
• M5: 4,026,875 km (0.089 R)
• M6: 4,648,604 km (0.11 R)
• M7: 5,718,229 km (0.119 R)
• M8: 7,277,338 km (0.105 R)
• M9: 8,763,443 km (0.086 R)
• M10: 10,496,535 km (0.118 R)
• M11: 12,508,626 km (0.11 R)
• M12: 13,573,464 km (0.087 R)
• M13: 14,765,759 km (0.11 R)
• M14: 16,757,355 km (0.1 R)
• M15: 19,164,534 km (0.097 R)
• M16: 19,738,392 km (0.099 R)
• M17: 23,799,376 km (0.11 R)
• M18: 26,627,673 km (0.105 R)
• M19: 28,917,568 km (0.119 R)
• M20: 30,552,224 km (0.045 R)
• M21: 35,089,228 km (0.038 R)
• M22: 39,132,409 km (0.105 R)
• M23: 41,130,439 km (0.1 R)
• M24: 43,757,826 km (0.089 R)
• M25: 49,958,807 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.9

Radius: 7.3

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 19.06 AU - 20.68 AU

Year: 31275 Days

Day: 16.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 102,204,176 km

• M1: 93,349 km (0.089 R)
• M2: 449,392 km (0.068 R)
• M3: 686,355 km (0.09 R)
• M4: 1,193,043 km (0.112 R)
• M5: 1,502,411 km (0.119 R)
• M6: 3,827,611 km (0.095 R)
• M7: 4,247,532 km (0.104 R)
• M8: 5,097,248 km (0.071 R)
• M9: 6,824,056 km (0.06 R)
• M10: 7,336,579 km (0.053 R)
• M11: 8,612,499 km (0.102 R)
• M12: 9,836,958 km (0.079 R)
• M13: 13,876,698 km (0.081 R)
• M14: 16,803,431 km (0.087 R)
• M15: 17,359,487 km (0.049 R)
• M16: 17,641,927 km (0.063 R)
• M17: 17,927,659 km (0.112 R)
• M18: 20,117,622 km (0.071 R)
• M19: 21,818,101 km (0.106 R)
• M20: 23,268,602 km (0.082 R)
• M21: 28,133,675 km (0.069 R)
• M22: 30,120,185 km (0.089 R)
• M23: 32,057,029 km (0.042 R)
• M24: 38,682,868 km (0.084 R)
• M25: 39,003,905 km (0.111 R)
• M26: 44,739,338 km (0.061 R)
• M27: 45,270,859 km (0.09 R)
• M28: 62,139,515 km (0.1 R)
• M29: 62,580,080 km (0.087 R)
• M30: 65,040,666 km (0.068 R)
• M31: 67,564,831 km (0.053 R)
• M32: 83,558,339 km (0.109 R)
• M33: 87,364,109 km (0.032 R)
• M34: 100,983,649 km (0.106 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 15,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit