🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 242 Days

Day: 15.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 12

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.57 AU - 0.79 AU

Year: 362 Days

Day: 13.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,640,539 km

• M1: 149,299 km (0.045 R)
• M2: 621,130 km (0.119 R)
• M3: 1,130,362 km (0.052 R)
• M4: 1,901,239 km (0.104 R)
• M5: 2,355,718 km (0.102 R)
• M6: 3,245,825 km (0.111 R)
• M7: 3,640,015 km (0.081 R)
• M8: 4,114,390 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 10.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.78 AU - 0.86 AU

Year: 479 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,640,539 km

• M1: 130,898 km (0.089 R)
• M2: 656,286 km (0.068 R)
• M3: 1,104,631 km (0.105 R)
• M4: 1,584,541 km (0.11 R)
• M5: 1,938,340 km (0.089 R)
• M6: 2,337,317 km (0.107 R)
• M7: 2,817,526 km (0.105 R)
• M8: 3,215,457 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 9.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.73 AU - 1.09 AU

Year: 561 Days

Day: 11 Hours

Environment

Temp: -154 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,640,539 km

• M1: 116,986 km (0.112 R)
• M2: 843,732 km (0.082 R)
• M3: 1,128,716 km (0.035 R)
• M4: 1,637,947 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 12.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.58 AU - 1.72 AU

Year: 1368 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,640,539 km

• M1: 154,684 km (0.09 R)
• M2: 603,328 km (0.105 R)
• M3: 1,571,974 km (0.115 R)
• M4: 2,012,690 km (0.092 R)
• M5: 2,492,899 km (0.09 R)
• M6: 3,188,230 km (0.101 R)
• M7: 3,687,438 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.4

Radius: 3

Gravity: 63.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.25 AU - 6.61 AU

Year: 10528 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,640,539 km

• M1: 38,596 km (0.091 R)
• M2: 157,078 km (0.101 R)
• M3: 270,323 km (0.11 R)
• M4: 382,821 km (0.099 R)
• M5: 540,348 km (0.108 R)
• M6: 649,853 km (0.099 R)
• M7: 828,323 km (0.042 R)
• M8: 1,197,531 km (0.119 R)
• M9: 1,535,921 km (0.098 R)
• M10: 1,637,049 km (0.087 R)
• M11: 1,789,340 km (0.045 R)
• M12: 1,967,661 km (0.092 R)
• M13: 3,368,196 km (0.075 R)
• M14: 4,340,881 km (0.108 R)
• M15: 4,783,691 km (0.083 R)
• M16: 4,937,777 km (0.099 R)
• M17: 5,223,509 km (0.081 R)
• M18: 5,968,207 km (0.065 R)
• M19: 6,146,827 km (0.099 R)
• M20: 6,365,838 km (0.07 R)
• M21: 7,498,593 km (0.1 R)
• M22: 8,667,850 km (0.094 R)
• M23: 10,003,310 km (0.086 R)
• M24: 10,408,571 km (0.111 R)
• M25: 13,866,376 km (0.112 R)
• M26: 18,391,263 km (0.075 R)
• M27: 21,814,511 km (0.074 R)
• M28: 24,896,078 km (0.065 R)
• M29: 33,336,090 km (0.1 R)
• M30: 37,161,308 km (0.063 R)
• M31: 37,765,234 km (0.037 R)
• M32: 39,741,871 km (0.1 R)
• M33: 44,982,883 km (0.059 R)
• M34: 46,361,427 km (0.099 R)
• M35: 46,500,853 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 18,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit