🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.2 AU - 2.24 AU

Year: 1266 Days

Day: 12.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.03 AU - 2.45 AU

Year: 1284 Days

Day: 29.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,633,502 km

• M1: 110,852 km (0.118 R)
• M2: 158,275 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 14.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.74 AU - 5.66 AU

Year: 4540 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,633,502 km

• M1: 176,675 km (0.049 R)
• M2: 814,261 km (0.104 R)
• M3: 1,512,135 km (0.058 R)
• M4: 1,970,952 km (0.088 R)
• M5: 2,696,202 km (0.083 R)
• M6: 3,201,095 km (0.111 R)
• M7: 3,814,297 km (0.104 R)
• M8: 4,632,448 km (0.106 R)
• M9: 7,913,279 km (0.097 R)
• M10: 8,367,607 km (0.085 R)
• M11: 10,677,698 km (0.081 R)
• M12: 11,566,608 km (0.077 R)
• M13: 12,252,814 km (0.086 R)
• M14: 13,174,785 km (0.107 R)
• M15: 14,142,534 km (0.098 R)
• M16: 17,458,072 km (0.111 R)
• M17: 19,093,625 km (0.096 R)
• M18: 20,332,894 km (0.081 R)
• M19: 22,366,378 km (0.084 R)
• M20: 22,895,356 km (0.058 R)
• M21: 25,420,418 km (0.092 R)
• M22: 26,246,198 km (0.12 R)
• M23: 27,951,465 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 9.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.57 AU - 7.55 AU

Year: 5712 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,633,502 km

• M1: 119,529 km (0.031 R)
• M2: 459,565 km (0.066 R)
• M3: 801,545 km (0.042 R)
• M4: 1,540,559 km (0.114 R)
• M5: 2,077,017 km (0.076 R)
• M6: 2,478,687 km (0.036 R)
• M7: 3,628,945 km (0.091 R)
• M8: 3,937,117 km (0.113 R)
• M9: 4,359,132 km (0.043 R)
• M10: 6,326,644 km (0.098 R)
• M11: 7,348,247 km (0.114 R)
• M12: 8,249,425 km (0.11 R)
• M13: 10,313,726 km (0.114 R)
• M14: 11,072,486 km (0.118 R)
• M15: 11,442,143 km (0.044 R)
• M16: 12,650,894 km (0.069 R)
• M17: 13,415,787 km (0.087 R)
• M18: 13,889,414 km (0.074 R)
• M19: 15,150,524 km (0.109 R)
• M20: 25,464,400 km (0.079 R)
• M21: 28,452,917 km (0.062 R)
• M22: 29,587,317 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.8

Radius: 3.8

Gravity: 34.54 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.75 AU - 15.93 AU

Year: 17616 Days

Day: 24.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,633,502 km

• M1: 49,666 km (0.096 R)
• M2: 255,214 km (0.118 R)
• M3: 832,063 km (0.086 R)
• M4: 1,243,607 km (0.089 R)
• M5: 1,660,836 km (0.116 R)
• M6: 1,919,789 km (0.055 R)
• M7: 2,979,690 km (0.118 R)
• M8: 3,128,839 km (0.079 R)
• M9: 4,039,741 km (0.074 R)
• M10: 4,191,732 km (0.092 R)
• M11: 4,507,234 km (0.119 R)
• M12: 5,256,720 km (0.114 R)
• M13: 5,736,630 km (0.045 R)
• M14: 6,490,004 km (0.059 R)
• M15: 10,110,273 km (0.084 R)
• M16: 13,965,859 km (0.118 R)
• M17: 14,243,812 km (0.068 R)
• M18: 15,466,176 km (0.079 R)
• M19: 16,293,302 km (0.097 R)
• M20: 20,073,192 km (0.12 R)
• M21: 21,606,121 km (0.073 R)
• M22: 22,071,371 km (0.087 R)
• M23: 23,312,285 km (0.11 R)
• M24: 23,801,769 km (0.106 R)
• M25: 24,297,985 km (0.056 R)
• M26: 26,457,730 km (0.064 R)
• M27: 27,747,563 km (0.106 R)
• M28: 28,076,379 km (0.113 R)
• M29: 33,822,732 km (0.107 R)
• M30: 39,886,383 km (0.112 R)
• M31: 42,880,285 km (0.108 R)
• M32: 43,910,565 km (0.074 R)
• M33: 44,357,115 km (0.05 R)
• M34: 46,020,494 km (0.119 R)
• M35: 49,150,380 km (0.081 R)
• M36: 49,631,786 km (0.103 R)
• M37: 50,116,334 km (0.11 R)
• M38: 54,619,978 km (0.078 R)
• M39: 57,945,987 km (0.057 R)
• M40: 60,665,228 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.7

Radius: 5.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 12.38 AU - 16.38 AU

Year: 20879 Days

Day: 21.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,633,502 km

• M1: 68,217 km (0.079 R)
• M2: 267,631 km (0.084 R)
• M3: 1,166,714 km (0.037 R)
• M4: 1,635,105 km (0.11 R)
• M5: 2,293,335 km (0.059 R)
• M6: 2,785,961 km (0.088 R)
• M7: 3,515,999 km (0.082 R)
• M8: 3,691,477 km (0.109 R)
• M9: 6,689,568 km (0.059 R)
• M10: 12,736,912 km (0.078 R)
• M11: 14,837,865 km (0.028 R)
• M12: 15,297,429 km (0.101 R)
• M13: 26,119,339 km (0.117 R)
• M14: 28,062,915 km (0.077 R)
• M15: 37,643,911 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 17,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit