🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 8.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.5 AU - 0.76 AU

Year: 345 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,383,572 km

• M1: 108,309 km (0.097 R)
• M2: 603,179 km (0.114 R)
• M3: 933,940 km (0.045 R)
• M4: 1,225,955 km (0.041 R)
• M5: 1,839,455 km (0.055 R)
• M6: 2,871,382 km (0.098 R)
• M7: 3,191,371 km (0.106 R)
• M8: 3,556,839 km (0.101 R)
• M9: 3,880,718 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.3

Radius: 10.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.81 AU - 1.21 AU

Year: 701 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,383,572 km

• M1: 135,087 km (0.09 R)
• M2: 579,542 km (0.03 R)
• M3: 1,064,239 km (0.106 R)
• M4: 1,935,048 km (0.096 R)
• M5: 2,661,197 km (0.08 R)
• M6: 3,038,183 km (0.045 R)
• M7: 3,559,981 km (0.096 R)
• M8: 3,945,345 km (0.091 R)
• M9: 4,326,969 km (0.098 R)
• M10: 4,834,405 km (0.116 R)
• M11: 5,362,934 km (0.113 R)
• M12: 5,851,820 km (0.087 R)
• M13: 6,832,883 km (0.094 R)
• M14: 7,637,869 km (0.105 R)
• M15: 8,015,604 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 8.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.99 AU - 1.61 AU

Year: 1023 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,383,572 km

• M1: 103,223 km (0.076 R)
• M2: 366,365 km (0.098 R)
• M3: 758,760 km (0.063 R)
• M4: 1,122,433 km (0.075 R)
• M5: 1,748,350 km (0.115 R)
• M6: 2,083,599 km (0.107 R)
• M7: 2,565,753 km (0.046 R)
• M8: 2,974,604 km (0.115 R)
• M9: 3,845,264 km (0.099 R)
• M10: 5,212,887 km (0.11 R)
• M11: 5,565,190 km (0.065 R)
• M12: 5,912,407 km (0.036 R)
• M13: 6,471,454 km (0.073 R)
• M14: 6,878,809 km (0.111 R)
• M15: 7,303,069 km (0.067 R)
• M16: 7,921,357 km (0.057 R)
• M17: 8,708,690 km (0.092 R)
• M18: 9,065,631 km (0.073 R)
• M19: 9,375,448 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 9.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.24 AU - 1.74 AU

Year: 1255 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,383,572 km

• M1: 119,529 km (0.084 R)
• M2: 571,165 km (0.091 R)
• M3: 1,117,945 km (0.081 R)
• M4: 2,379,504 km (0.104 R)
• M5: 2,822,463 km (0.079 R)
• M6: 3,294,145 km (0.109 R)
• M7: 3,706,138 km (0.06 R)
• M8: 4,714,876 km (0.116 R)
• M9: 5,274,522 km (0.119 R)
• M10: 6,186,620 km (0.111 R)
• M11: 7,376,073 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 8.3

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.38 AU - 2.3 AU

Year: 1723 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,383,572 km

• M1: 103,522 km (0.087 R)
• M2: 605,722 km (0.107 R)
• M3: 967,449 km (0.073 R)
• M4: 1,684,472 km (0.045 R)
• M5: 2,068,041 km (0.118 R)
• M6: 2,563,659 km (0.101 R)
• M7: 3,328,702 km (0.066 R)
• M8: 3,899,717 km (0.118 R)
• M9: 4,677,626 km (0.088 R)
• M10: 5,059,699 km (0.102 R)
• M11: 5,719,276 km (0.088 R)
• M12: 6,721,582 km (0.109 R)
• M13: 8,223,993 km (0.106 R)
• M14: 8,686,999 km (0.1 R)
• M15: 9,298,405 km (0.075 R)
• M16: 10,534,981 km (0.054 R)
• M17: 11,081,462 km (0.05 R)
• M18: 11,646,493 km (0.116 R)
• M19: 12,509,972 km (0.082 R)
• M20: 12,916,280 km (0.101 R)
• M21: 13,970,646 km (0.109 R)
• M22: 15,681,597 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.5

Radius: 3.6

Gravity: 49.65 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.47 AU - 9.35 AU

Year: 18358 Days

Day: 15.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,383,572 km

• M1: 46,226 km (0.086 R)
• M2: 301,739 km (0.102 R)
• M3: 461,809 km (0.112 R)
• M4: 734,077 km (0.103 R)
• M5: 1,170,454 km (0.091 R)
• M6: 1,814,024 km (0.098 R)
• M7: 3,665,746 km (0.099 R)
• M8: 4,648,455 km (0.116 R)
• M9: 5,874,559 km (0.088 R)
• M10: 9,211,638 km (0.07 R)
• M11: 10,457,490 km (0.025 R)
• M12: 10,695,500 km (0.111 R)
• M13: 12,530,168 km (0.073 R)
• M14: 14,638,301 km (0.039 R)
• M15: 16,010,413 km (0.114 R)
• M16: 22,064,040 km (0.047 R)
• M17: 24,274,498 km (0.027 R)
• M18: 36,193,410 km (0.099 R)
• M19: 38,122,175 km (0.103 R)
• M20: 42,333,205 km (0.1 R)
• M21: 45,569,007 km (0.087 R)
• M22: 48,470,608 km (0.106 R)
• M23: 62,081,770 km (0.116 R)
• M24: 62,665,800 km (0.109 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: 467 - 10,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit