🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.74 AU - 0.76 AU

Year: 226 Days

Day: 42.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 115,088,348 km

• M1: 66,272 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.62 AU - 1.86 AU

Year: 799 Days

Day: 47.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.3 AU - 5.18 AU

Year: 3040 Days

Day: 46.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 20.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.6

Radius: 6.3

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 18.24 AU - 22.52 AU

Year: 32041 Days

Day: 15.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 115,088,348 km

• M1: 219,310 km (0.074 R)
• M2: 436,227 km (0.067 R)
• M3: 749,037 km (0.083 R)
• M4: 1,012,329 km (0.067 R)
• M5: 1,769,743 km (0.05 R)
• M6: 3,061,072 km (0.026 R)
• M7: 3,471,568 km (0.073 R)
• M8: 4,249,178 km (0.034 R)
• M9: 5,998,875 km (0.108 R)
• M10: 7,220,341 km (0.117 R)
• M11: 8,538,448 km (0.116 R)
• M12: 12,018,992 km (0.082 R)
• M13: 13,037,454 km (0.111 R)
• M14: 14,714,895 km (0.074 R)
• M15: 17,200,763 km (0.074 R)
• M16: 18,289,088 km (0.109 R)
• M17: 21,154,037 km (0.113 R)
• M18: 28,427,335 km (0.114 R)
• M19: 37,860,229 km (0.115 R)
• M20: 39,021,707 km (0.05 R)
• M21: 41,590,602 km (0.037 R)
• M22: 43,184,717 km (0.077 R)
• M23: 47,252,283 km (0.104 R)
• M24: 47,825,990 km (0.064 R)
• M25: 56,139,144 km (0.087 R)
• M26: 59,406,212 km (0.113 R)
• M27: 62,567,664 km (0.099 R)
• M28: 65,839,519 km (0.092 R)
• M29: 67,759,458 km (0.101 R)
• M30: 71,459,312 km (0.114 R)
• M31: 72,976,235 km (0.066 R)
• M32: 73,742,774 km (0.047 R)
• M33: 76,074,257 km (0.076 R)
• M34: 87,606,607 km (0.091 R)
• M35: 92,886,216 km (0.118 R)
• M36: 93,185,561 km (0.025 R)
• M37: 94,692,161 km (0.111 R)
• M38: 104,720,604 km (0.115 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 19,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit