🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 11.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.42 AU - 3.06 AU

Year: 3188 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,083,641 km

• M1: 143,165 km (0.086 R)
• M2: 782,846 km (0.098 R)
• M3: 1,201,420 km (0.112 R)
• M4: 1,649,915 km (0.109 R)
• M5: 2,114,416 km (0.113 R)
• M6: 3,183,443 km (0.078 R)
• M7: 4,227,935 km (0.117 R)
• M8: 5,743,960 km (0.054 R)
• M9: 7,537,938 km (0.039 R)
• M10: 8,091,599 km (0.109 R)
• M11: 8,703,604 km (0.079 R)
• M12: 9,182,616 km (0.08 R)
• M13: 10,298,617 km (0.1 R)
• M14: 11,847,254 km (0.082 R)
• M15: 12,556,348 km (0.059 R)
• M16: 14,809,591 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.5

Radius: 8.1

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.55 AU - 3.63 AU

Year: 3818 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,083,641 km

• M1: 101,278 km (0.108 R)
• M2: 548,426 km (0.076 R)
• M3: 836,551 km (0.057 R)
• M4: 1,099,245 km (0.085 R)
• M5: 1,605,933 km (0.117 R)
• M6: 1,966,314 km (0.091 R)
• M7: 7,080,168 km (0.117 R)
• M8: 7,406,291 km (0.079 R)
• M9: 7,674,371 km (0.042 R)
• M10: 8,088,607 km (0.096 R)
• M11: 10,263,461 km (0.067 R)
• M12: 10,894,914 km (0.1 R)
• M13: 11,198,448 km (0.119 R)
• M14: 11,958,854 km (0.116 R)
• M15: 12,945,302 km (0.091 R)
• M16: 16,568,563 km (0.089 R)
• M17: 17,496,219 km (0.109 R)
• M18: 21,690,494 km (0.11 R)
• M19: 23,368,534 km (0.117 R)
• M20: 24,756,952 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 13.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.88 AU - 3.46 AU

Year: 3967 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,083,641 km

• M1: 170,542 km (0.052 R)
• M2: 627,563 km (0.099 R)
• M3: 1,281,755 km (0.085 R)
• M4: 2,230,654 km (0.107 R)
• M5: 2,877,066 km (0.104 R)
• M6: 3,470,671 km (0.071 R)
• M7: 4,080,432 km (0.091 R)
• M8: 5,281,553 km (0.08 R)
• M9: 6,982,630 km (0.075 R)
• M10: 7,993,164 km (0.052 R)
• M11: 8,804,283 km (0.097 R)
• M12: 10,063,150 km (0.107 R)
• M13: 10,756,835 km (0.113 R)
• M14: 11,526,067 km (0.081 R)
• M15: 12,889,053 km (0.03 R)
• M16: 15,988,572 km (0.087 R)
• M17: 16,877,482 km (0.03 R)
• M18: 17,740,363 km (0.088 R)
• M19: 18,753,888 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 11.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.57 AU - 5.77 AU

Year: 8263 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,083,641 km

• M1: 153,039 km (0.044 R)
• M2: 576,550 km (0.108 R)
• M3: 1,022,202 km (0.1 R)
• M4: 1,517,072 km (0.084 R)
• M5: 1,888,673 km (0.084 R)
• M6: 2,322,208 km (0.077 R)
• M7: 3,216,354 km (0.081 R)
• M8: 4,015,356 km (0.099 R)
• M9: 4,627,661 km (0.064 R)
• M10: 6,772,595 km (0.041 R)
• M11: 7,602,863 km (0.048 R)
• M12: 9,375,149 km (0.058 R)
• M13: 10,165,624 km (0.098 R)
• M14: 10,849,586 km (0.075 R)
• M15: 11,986,081 km (0.094 R)
• M16: 12,749,628 km (0.057 R)
• M17: 13,429,550 km (0.107 R)
• M18: 16,196,961 km (0.119 R)
• M19: 17,749,189 km (0.119 R)
• M20: 19,031,392 km (0.114 R)
• M21: 23,583,506 km (0.117 R)
• M22: 24,007,017 km (0.096 R)
• M23: 25,131,993 km (0.12 R)
• M24: 26,655,797 km (0.05 R)
• M25: 30,582,742 km (0.117 R)
• M26: 34,443,713 km (0.103 R)
• M27: 35,319,309 km (0.116 R)
• M28: 35,874,168 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.4

Radius: 3.7

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.32 AU - 8.3 AU

Year: 13893 Days

Day: 20.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,083,641 km

• M1: 46,076 km (0.103 R)
• M2: 442,660 km (0.116 R)
• M3: 912,547 km (0.114 R)
• M4: 1,808,040 km (0.077 R)
• M5: 3,456,908 km (0.043 R)
• M6: 4,440,065 km (0.071 R)
• M7: 5,074,061 km (0.118 R)
• M8: 5,495,478 km (0.087 R)
• M9: 6,481,926 km (0.103 R)
• M10: 10,140,043 km (0.117 R)
• M11: 10,912,267 km (0.091 R)
• M12: 12,923,910 km (0.111 R)
• M13: 15,836,879 km (0.12 R)
• M14: 16,315,443 km (0.119 R)
• M15: 21,145,659 km (0.04 R)
• M16: 23,353,125 km (0.048 R)
• M17: 25,522,743 km (0.047 R)
• M18: 27,430,266 km (0.088 R)
• M19: 36,011,947 km (0.085 R)
• M20: 37,919,171 km (0.097 R)
• M21: 38,284,189 km (0.092 R)
• M22: 44,176,999 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit