🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.52 AU - 0.78 AU

Year: 190 Days

Day: 22.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.55 AU - 4.15 AU

Year: 2217 Days

Day: 22.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,625,700 km

• M1: 689,796 km (0.117 R)
• M2: 2,436,949 km (0.118 R)

Asteroid Belt

Center: 8.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.4

Radius: 7.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 12.33 AU - 16.09 AU

Year: 19372 Days

Day: 19.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,625,700 km

• M1: 96,939 km (0.079 R)
• M2: 494,571 km (0.062 R)
• M3: 952,789 km (0.038 R)
• M4: 1,498,522 km (0.119 R)
• M5: 2,360,804 km (0.119 R)
• M6: 3,022,475 km (0.047 R)
• M7: 3,383,455 km (0.094 R)
• M8: 3,686,989 km (0.101 R)
• M9: 4,349,259 km (0.099 R)
• M10: 5,303,544 km (0.092 R)
• M11: 5,638,194 km (0.082 R)
• M12: 5,986,757 km (0.102 R)
• M13: 7,666,891 km (0.09 R)
• M14: 11,554,341 km (0.06 R)
• M15: 12,245,334 km (0.117 R)
• M16: 13,097,144 km (0.103 R)
• M17: 14,412,408 km (0.116 R)
• M18: 16,664,904 km (0.076 R)
• M19: 23,008,153 km (0.072 R)
• M20: 23,302,711 km (0.114 R)
• M21: 23,999,837 km (0.104 R)
• M22: 24,506,226 km (0.093 R)
• M23: 27,806,355 km (0.089 R)
• M24: 33,356,735 km (0.115 R)
• M25: 39,182,674 km (0.109 R)
• M26: 40,595,327 km (0.089 R)
• M27: 43,671,658 km (0.065 R)
• M28: 45,806,868 km (0.036 R)
• M29: 53,827,408 km (0.102 R)
• M30: 56,636,407 km (0.099 R)
• M31: 57,533,845 km (0.104 R)
• M32: 59,356,994 km (0.118 R)
• M33: 63,310,567 km (0.1 R)
• M34: 65,646,837 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.3

Radius: 7.8

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12.17 AU - 17.45 AU

Year: 20612 Days

Day: 19.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,625,700 km

• M1: 295,157 km (0.056 R)
• M2: 832,213 km (0.118 R)
• M3: 1,238,222 km (0.075 R)
• M4: 2,542,715 km (0.039 R)
• M5: 4,446,348 km (0.109 R)
• M6: 7,050,697 km (0.07 R)
• M7: 11,420,002 km (0.091 R)
• M8: 11,950,626 km (0.057 R)
• M9: 13,494,925 km (0.058 R)
• M10: 14,163,478 km (0.092 R)
• M11: 17,491,133 km (0.117 R)
• M12: 18,920,241 km (0.059 R)
• M13: 20,137,220 km (0.107 R)
• M14: 23,993,105 km (0.088 R)
• M15: 35,447,215 km (0.091 R)
• M16: 37,004,380 km (0.113 R)
• M17: 40,103,150 km (0.105 R)
• M18: 47,148,013 km (0.075 R)
• M19: 53,860,170 km (0.061 R)
• M20: 66,132,581 km (0.104 R)
• M21: 68,271,831 km (0.118 R)
• M22: 68,922,432 km (0.102 R)
• M23: 70,899,218 km (0.109 R)
• M24: 75,426,947 km (0.12 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit