🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 14.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.69 AU - 0.77 AU

Year: 409 Days

Day: 14.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,298,524 km

• M1: 188,045 km (0.032 R)
• M2: 653,743 km (0.107 R)
• M3: 1,242,859 km (0.104 R)
• M4: 1,706,014 km (0.029 R)
• M5: 2,172,011 km (0.087 R)
• M6: 2,955,156 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 8.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.55 AU - 3.83 AU

Year: 3738 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,298,524 km

• M1: 109,805 km (0.104 R)
• M2: 603,029 km (0.114 R)
• M3: 1,994,888 km (0.084 R)
• M4: 2,378,905 km (0.037 R)
• M5: 2,741,830 km (0.075 R)
• M6: 3,047,309 km (0.111 R)
• M7: 3,748,923 km (0.092 R)
• M8: 4,336,842 km (0.075 R)
• M9: 4,653,242 km (0.109 R)
• M10: 5,332,416 km (0.066 R)
• M11: 5,610,668 km (0.106 R)
• M12: 6,535,632 km (0.049 R)
• M13: 6,887,336 km (0.111 R)
• M14: 7,285,267 km (0.101 R)
• M15: 8,571,808 km (0.102 R)
• M16: 9,389,062 km (0.072 R)
• M17: 11,496,596 km (0.108 R)
• M18: 12,489,777 km (0.093 R)
• M19: 14,808,693 km (0.114 R)
• M20: 16,446,790 km (0.072 R)
• M21: 17,219,014 km (0.062 R)
• M22: 19,287,653 km (0.073 R)
• M23: 20,280,535 km (0.077 R)
• M24: 20,961,205 km (0.027 R)
• M25: 22,802,156 km (0.103 R)
• M26: 27,539,622 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.7 AU - 3.9 AU

Year: 3933 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,298,524 km

• M1: 185,501 km (0.109 R)
• M2: 719,117 km (0.083 R)
• M3: 1,548,488 km (0.052 R)
• M4: 2,039,019 km (0.044 R)
• M5: 3,108,195 km (0.097 R)
• M6: 3,800,833 km (0.115 R)
• M7: 4,386,658 km (0.11 R)
• M8: 5,184,613 km (0.088 R)
• M9: 8,275,904 km (0.05 R)
• M10: 9,458,176 km (0.085 R)
• M11: 11,794,446 km (0.054 R)
• M12: 13,242,104 km (0.066 R)
• M13: 14,441,879 km (0.073 R)
• M14: 16,264,430 km (0.089 R)
• M15: 20,819,984 km (0.094 R)
• M16: 22,859,303 km (0.071 R)
• M17: 23,425,082 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 11.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.71 AU - 4.27 AU

Year: 5228 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,298,524 km

• M1: 144,212 km (0.065 R)
• M2: 541,544 km (0.05 R)
• M3: 936,782 km (0.034 R)
• M4: 1,328,728 km (0.06 R)
• M5: 1,844,542 km (0.104 R)
• M6: 2,269,998 km (0.074 R)
• M7: 2,946,031 km (0.078 R)
• M8: 3,731,719 km (0.069 R)
• M9: 4,130,696 km (0.116 R)
• M10: 4,628,558 km (0.072 R)
• M11: 5,345,730 km (0.059 R)
• M12: 6,221,626 km (0.093 R)
• M13: 8,118,676 km (0.101 R)
• M14: 8,611,901 km (0.096 R)
• M15: 11,427,632 km (0.049 R)
• M16: 12,784,036 km (0.087 R)
• M17: 14,703,975 km (0.088 R)
• M18: 16,865,664 km (0.108 R)
• M19: 18,200,526 km (0.066 R)
• M20: 19,231,405 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.1

Radius: 6.6

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.33 AU - 11.57 AU

Year: 19057 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,298,524 km

• M1: 82,279 km (0.095 R)
• M2: 343,327 km (0.109 R)
• M3: 635,941 km (0.106 R)
• M4: 930,499 km (0.103 R)
• M5: 1,245,851 km (0.094 R)
• M6: 1,459,178 km (0.116 R)
• M7: 1,799,363 km (0.102 R)
• M8: 2,661,795 km (0.114 R)
• M9: 3,249,415 km (0.045 R)
• M10: 3,773,157 km (0.073 R)
• M11: 4,645,762 km (0.051 R)
• M12: 5,058,353 km (0.052 R)
• M13: 5,310,126 km (0.1 R)
• M14: 6,869,534 km (0.096 R)
• M15: 7,223,483 km (0.116 R)
• M16: 8,162,060 km (0.12 R)
• M17: 8,969,440 km (0.076 R)
• M18: 11,280,128 km (0.092 R)
• M19: 18,350,872 km (0.066 R)
• M20: 20,628,350 km (0.103 R)
• M21: 25,420,269 km (0.099 R)
• M22: 25,630,304 km (0.086 R)
• M23: 26,914,602 km (0.1 R)
• M24: 32,853,488 km (0.095 R)
• M25: 37,670,689 km (0.099 R)
• M26: 41,179,357 km (0.065 R)
• M27: 42,938,329 km (0.078 R)
• M28: 43,236,328 km (0.109 R)
• M29: 43,685,869 km (0.079 R)
• M30: 45,360,767 km (0.055 R)
• M31: 48,193,104 km (0.108 R)
• M32: 49,980,798 km (0.088 R)
• M33: 54,730,082 km (0.086 R)
• M34: 55,080,440 km (0.045 R)
• M35: 56,675,303 km (0.064 R)
• M36: 57,033,889 km (0.086 R)
• M37: 62,595,489 km (0.082 R)
• M38: 65,704,432 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 16,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit