🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.5 AU - 0.54 AU

Year: 140 Days

Day: 40.8 Hours

Environment

Temp: 180 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,731,000 km

• M1: 183,108 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.09 AU - 1.13 AU

Year: 436 Days

Day: 46.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.82 AU - 2.22 AU

Year: 1070 Days

Day: 31.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,731,000 km

• M1: 52,658 km (0.035 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314

Radius: 6.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 13.35 AU - 15.03 AU

Year: 19926 Days

Day: 15.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,731,000 km

• M1: 85,570 km (0.074 R)
• M2: 407,355 km (0.107 R)
• M3: 640,129 km (0.109 R)
• M4: 974,780 km (0.063 R)
• M5: 3,091,739 km (0.081 R)
• M6: 3,392,431 km (0.058 R)
• M7: 3,712,421 km (0.065 R)
• M8: 4,052,457 km (0.07 R)
• M9: 4,412,988 km (0.076 R)
• M10: 4,960,366 km (0.115 R)
• M11: 5,846,135 km (0.085 R)
• M12: 7,043,367 km (0.051 R)
• M13: 7,973,118 km (0.078 R)
• M14: 8,253,165 km (0.087 R)
• M15: 10,512,242 km (0.085 R)
• M16: 12,393,436 km (0.079 R)
• M17: 12,769,674 km (0.104 R)
• M18: 14,214,490 km (0.064 R)
• M19: 15,188,672 km (0.104 R)
• M20: 16,206,685 km (0.12 R)
• M21: 16,430,633 km (0.085 R)
• M22: 16,656,676 km (0.106 R)
• M23: 19,115,018 km (0.115 R)
• M24: 19,957,104 km (0.088 R)
• M25: 21,088,363 km (0.041 R)
• M26: 21,987,147 km (0.098 R)
• M27: 24,150,931 km (0.087 R)
• M28: 25,134,387 km (0.087 R)
• M29: 25,434,630 km (0.097 R)
• M30: 26,144,472 km (0.076 R)
• M31: 27,923,191 km (0.119 R)
• M32: 30,911,408 km (0.042 R)
• M33: 33,137,724 km (0.092 R)
• M34: 43,832,625 km (0.096 R)
• M35: 46,486,342 km (0.113 R)
• M36: 48,005,957 km (0.058 R)
• M37: 48,313,829 km (0.08 R)
• M38: 51,144,071 km (0.052 R)
• M39: 54,583,326 km (0.078 R)
• M40: 58,173,825 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.1

Radius: 3.4

Gravity: 39.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 11.7 AU - 18.18 AU

Year: 21527 Days

Day: 24 Hours

Environment

Temp: -185 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,731,000 km

• M1: 48,171 km (0.07 R)
• M2: 202,556 km (0.096 R)
• M3: 322,383 km (0.119 R)
• M4: 1,054,665 km (0.112 R)
• M5: 1,724,415 km (0.104 R)
• M6: 2,000,124 km (0.1 R)
• M7: 2,733,303 km (0.05 R)
• M8: 3,459,002 km (0.103 R)
• M9: 3,836,138 km (0.026 R)
• M10: 4,369,903 km (0.038 R)
• M11: 5,242,358 km (0.077 R)
• M12: 5,778,517 km (0.117 R)
• M13: 6,266,505 km (0.097 R)
• M14: 6,914,414 km (0.095 R)
• M15: 7,231,561 km (0.044 R)
• M16: 7,558,283 km (0.115 R)
• M17: 8,649,300 km (0.03 R)
• M18: 9,341,041 km (0.062 R)
• M19: 9,672,400 km (0.068 R)
• M20: 10,068,984 km (0.088 R)
• M21: 11,891,535 km (0.115 R)
• M22: 12,085,114 km (0.104 R)
• M23: 12,544,829 km (0.108 R)
• M24: 14,354,813 km (0.103 R)
• M25: 14,574,273 km (0.095 R)
• M26: 15,095,024 km (0.11 R)
• M27: 22,441,625 km (0.069 R)
• M28: 26,599,100 km (0.077 R)
• M29: 27,713,305 km (0.051 R)
• M30: 32,230,861 km (0.108 R)
• M31: 34,141,226 km (0.094 R)
• M32: 37,629,100 km (0.092 R)
• M33: 41,494,709 km (0.082 R)
• M34: 44,833,734 km (0.079 R)
• M35: 46,408,850 km (0.101 R)
• M36: 51,184,762 km (0.099 R)
• M37: 56,823,255 km (0.082 R)
• M38: 62,472,370 km (0.036 R)
• M39: 63,842,238 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 18,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit