🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 12.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.71 AU - 0.81 AU

Year: 457 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,054,155 km

• M1: 158,125 km (0.057 R)
• M2: 697,276 km (0.114 R)
• M3: 1,108,520 km (0.071 R)
• M4: 1,857,557 km (0.108 R)
• M5: 2,533,889 km (0.076 R)
• M6: 2,939,000 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 8.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.33 AU - 2.17 AU

Year: 1598 Days

Day: 9.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,054,155 km

• M1: 109,506 km (0.033 R)
• M2: 426,204 km (0.1 R)
• M3: 809,474 km (0.045 R)
• M4: 1,192,295 km (0.117 R)
• M5: 1,774,979 km (0.089 R)
• M6: 2,126,534 km (0.112 R)
• M7: 3,470,820 km (0.08 R)
• M8: 4,172,285 km (0.115 R)
• M9: 6,731,755 km (0.029 R)
• M10: 7,274,196 km (0.076 R)
• M11: 7,718,801 km (0.045 R)
• M12: 8,392,889 km (0.067 R)
• M13: 10,037,568 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 8.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.69 AU - 2.29 AU

Year: 1938 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,054,155 km

• M1: 102,475 km (0.082 R)
• M2: 409,001 km (0.095 R)
• M3: 679,474 km (0.112 R)
• M4: 1,190,350 km (0.089 R)
• M5: 2,244,417 km (0.03 R)
• M6: 2,558,423 km (0.095 R)
• M7: 3,275,296 km (0.118 R)
• M8: 3,855,586 km (0.076 R)
• M9: 5,817,113 km (0.086 R)
• M10: 7,049,351 km (0.112 R)
• M11: 7,471,067 km (0.075 R)
• M12: 7,883,209 km (0.077 R)
• M13: 8,980,360 km (0.099 R)
• M14: 9,776,221 km (0.062 R)
• M15: 10,082,747 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 13.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.99 AU - 2.31 AU

Year: 2176 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,054,155 km

• M1: 167,998 km (0.057 R)
• M2: 656,884 km (0.12 R)
• M3: 1,257,520 km (0.111 R)
• M4: 1,780,813 km (0.116 R)
• M5: 2,242,472 km (0.114 R)
• M6: 2,799,425 km (0.118 R)
• M7: 3,397,368 km (0.037 R)
• M8: 5,341,990 km (0.058 R)
• M9: 5,914,651 km (0.041 R)
• M10: 6,475,344 km (0.106 R)
• M11: 8,627,010 km (0.115 R)
• M12: 9,588,027 km (0.098 R)
• M13: 10,509,400 km (0.059 R)
• M14: 11,181,244 km (0.116 R)
• M15: 12,569,512 km (0.069 R)
• M16: 13,028,778 km (0.047 R)
• M17: 13,936,837 km (0.094 R)
• M18: 14,840,408 km (0.081 R)
• M19: 16,664,455 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 12.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.58 AU - 2.68 AU

Year: 2944 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,054,155 km

• M1: 155,432 km (0.078 R)
• M2: 902,075 km (0.114 R)
• M3: 1,407,566 km (0.092 R)
• M4: 3,165,341 km (0.071 R)
• M5: 4,259,351 km (0.12 R)
• M6: 4,724,750 km (0.11 R)
• M7: 5,204,360 km (0.048 R)
• M8: 5,801,405 km (0.118 R)
• M9: 6,284,457 km (0.074 R)
• M10: 7,084,058 km (0.113 R)
• M11: 8,083,371 km (0.038 R)
• M12: 9,679,880 km (0.104 R)
• M13: 10,361,298 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 12.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.54 AU - 2.88 AU

Year: 3079 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,054,155 km

• M1: 155,582 km (0.099 R)
• M2: 598,541 km (0.116 R)
• M3: 1,016,817 km (0.042 R)
• M4: 1,720,226 km (0.057 R)
• M5: 2,253,842 km (0.08 R)
• M6: 3,143,201 km (0.087 R)
• M7: 3,639,118 km (0.118 R)
• M8: 4,343,873 km (0.087 R)
• M9: 4,961,713 km (0.063 R)
• M10: 5,370,414 km (0.091 R)
• M11: 6,198,289 km (0.107 R)
• M12: 8,003,785 km (0.104 R)
• M13: 8,786,930 km (0.1 R)
• M14: 9,936,440 km (0.087 R)
• M15: 12,162,606 km (0.116 R)
• M16: 13,936,986 km (0.096 R)
• M17: 14,912,514 km (0.066 R)
• M18: 16,376,329 km (0.103 R)
• M19: 23,339,811 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 8.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.32 AU - 3.74 AU

Year: 3641 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,054,155 km

• M1: 107,411 km (0.088 R)
• M2: 513,719 km (0.11 R)
• M3: 905,366 km (0.119 R)
• M4: 1,225,805 km (0.097 R)
• M5: 1,605,185 km (0.077 R)
• M6: 2,257,432 km (0.101 R)
• M7: 2,686,329 km (0.084 R)
• M8: 7,460,745 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 12.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.23 AU - 3.43 AU

Year: 4194 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,054,155 km

• M1: 160,519 km (0.098 R)
• M2: 720,015 km (0.047 R)
• M3: 1,362,089 km (0.109 R)
• M4: 1,979,180 km (0.114 R)
• M5: 2,455,499 km (0.102 R)
• M6: 4,989,987 km (0.094 R)
• M7: 7,661,356 km (0.101 R)
• M8: 8,292,659 km (0.068 R)
• M9: 11,723,088 km (0.072 R)
• M10: 14,262,063 km (0.109 R)
• M11: 14,912,065 km (0.069 R)
• M12: 15,739,042 km (0.114 R)
• M13: 20,090,994 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 8.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.09 AU - 6.67 AU

Year: 8614 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,054,155 km

• M1: 108,608 km (0.071 R)
• M2: 477,367 km (0.079 R)
• M3: 834,906 km (0.113 R)
• M4: 1,237,474 km (0.112 R)
• M5: 1,621,641 km (0.102 R)
• M6: 2,346,891 km (0.109 R)
• M7: 2,814,385 km (0.095 R)
• M8: 4,773,518 km (0.089 R)
• M9: 5,427,411 km (0.095 R)
• M10: 6,175,101 km (0.109 R)
• M11: 6,723,078 km (0.079 R)
• M12: 8,042,830 km (0.12 R)
• M13: 8,430,887 km (0.109 R)
• M14: 9,718,775 km (0.117 R)
• M15: 10,060,307 km (0.032 R)
• M16: 11,027,757 km (0.067 R)
• M17: 11,345,802 km (0.115 R)
• M18: 12,000,442 km (0.107 R)
• M19: 12,450,582 km (0.12 R)
• M20: 13,868,919 km (0.114 R)
• M21: 15,856,626 km (0.117 R)
• M22: 16,467,434 km (0.109 R)
• M23: 17,520,454 km (0.04 R)
• M24: 18,917,698 km (0.1 R)
• M25: 21,518,906 km (0.104 R)
• M26: 23,817,178 km (0.055 R)
• M27: 24,708,482 km (0.115 R)
• M28: 26,462,966 km (0.069 R)
• M29: 29,197,465 km (0.094 R)
• M30: 37,439,410 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 12,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit