🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.85 AU - 1.09 AU

Year: 430 Days

Day: 32.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 12.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.75 AU - 3.61 AU

Year: 2550 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,336,079 km

• M1: 155,432 km (0.106 R)
• M2: 681,867 km (0.053 R)
• M3: 1,409,661 km (0.065 R)
• M4: 2,037,373 km (0.075 R)
• M5: 2,785,512 km (0.116 R)
• M6: 3,207,977 km (0.109 R)
• M7: 4,303,183 km (0.118 R)
• M8: 4,697,822 km (0.115 R)
• M9: 6,030,290 km (0.079 R)
• M10: 7,220,491 km (0.106 R)
• M11: 7,660,309 km (0.059 R)
• M12: 8,954,629 km (0.094 R)
• M13: 12,423,804 km (0.071 R)
• M14: 14,341,948 km (0.112 R)
• M15: 15,133,470 km (0.09 R)
• M16: 16,500,496 km (0.083 R)
• M17: 16,905,756 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.34 AU - 5.22 AU

Year: 4699 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,336,079 km

• M1: 112,198 km (0.06 R)
• M2: 2,189,664 km (0.113 R)
• M3: 2,547,801 km (0.11 R)
• M4: 5,163,819 km (0.115 R)
• M5: 9,004,445 km (0.107 R)
• M6: 9,928,960 km (0.113 R)
• M7: 11,258,437 km (0.115 R)
• M8: 13,764,949 km (0.114 R)
• M9: 17,480,212 km (0.097 R)
• M10: 18,248,098 km (0.053 R)
• M11: 19,223,775 km (0.119 R)
• M12: 20,686,842 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 10.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.01 AU - 10.61 AU

Year: 11757 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,336,079 km

• M1: 125,662 km (0.053 R)
• M2: 595,250 km (0.059 R)
• M3: 957,576 km (0.099 R)
• M4: 1,381,686 km (0.106 R)
• M5: 2,125,935 km (0.103 R)
• M6: 2,737,192 km (0.112 R)
• M7: 3,207,079 km (0.101 R)
• M8: 4,309,466 km (0.098 R)
• M9: 5,747,999 km (0.061 R)
• M10: 7,126,843 km (0.115 R)
• M11: 10,026,498 km (0.045 R)
• M12: 11,041,220 km (0.112 R)
• M13: 14,433,502 km (0.113 R)
• M14: 15,925,890 km (0.098 R)
• M15: 16,674,927 km (0.072 R)
• M16: 18,837,214 km (0.072 R)
• M17: 19,214,949 km (0.041 R)
• M18: 21,018,052 km (0.098 R)
• M19: 22,085,882 km (0.098 R)
• M20: 22,931,409 km (0.052 R)
• M21: 27,293,533 km (0.057 R)
• M22: 28,962,447 km (0.073 R)
• M23: 29,975,374 km (0.103 R)
• M24: 32,610,690 km (0.099 R)
• M25: 35,396,951 km (0.045 R)
• M26: 35,856,964 km (0.074 R)
• M27: 37,142,758 km (0.119 R)
• M28: 38,701,568 km (0.099 R)
• M29: 39,558,763 km (0.091 R)
• M30: 40,553,888 km (0.117 R)
• M31: 40,931,324 km (0.092 R)
• M32: 42,853,806 km (0.028 R)
• M33: 43,771,290 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.8

Radius: 3.4

Gravity: 56.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.04 AU - 9.46 AU

Year: 12648 Days

Day: 21.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 153.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,336,079 km

• M1: 42,336 km (0.113 R)
• M2: 160,967 km (0.096 R)
• M3: 290,669 km (0.102 R)
• M4: 532,718 km (0.086 R)
• M5: 825,930 km (0.115 R)
• M6: 1,204,861 km (0.117 R)
• M7: 1,418,936 km (0.116 R)
• M8: 2,558,124 km (0.098 R)
• M9: 4,347,165 km (0.051 R)
• M10: 4,849,365 km (0.082 R)
• M11: 5,565,938 km (0.086 R)
• M12: 5,710,001 km (0.115 R)
• M13: 5,893,707 km (0.108 R)
• M14: 6,005,756 km (0.066 R)
• M15: 6,389,475 km (0.087 R)
• M16: 11,169,127 km (0.109 R)
• M17: 12,226,185 km (0.095 R)
• M18: 13,156,684 km (0.063 R)
• M19: 14,066,837 km (0.099 R)
• M20: 14,469,405 km (0.112 R)
• M21: 15,438,500 km (0.109 R)
• M22: 15,939,055 km (0.115 R)
• M23: 17,275,413 km (0.108 R)
• M24: 20,253,607 km (0.082 R)
• M25: 21,288,375 km (0.092 R)
• M26: 23,839,019 km (0.098 R)
• M27: 24,314,890 km (0.03 R)
• M28: 27,720,485 km (0.079 R)
• M29: 28,994,461 km (0.092 R)
• M30: 29,755,316 km (0.085 R)
• M31: 31,544,357 km (0.109 R)
• M32: 38,369,460 km (0.052 R)
• M33: 40,620,759 km (0.046 R)
• M34: 45,821,977 km (0.116 R)
• M35: 50,977,120 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit