🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 10.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.09 AU - 1.37 AU

Year: 881 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,395,714 km

• M1: 135,536 km (0.044 R)
• M2: 487,091 km (0.088 R)
• M3: 889,808 km (0.105 R)
• M4: 1,230,143 km (0.068 R)
• M5: 1,644,081 km (0.058 R)
• M6: 2,484,671 km (0.067 R)
• M7: 3,131,532 km (0.088 R)
• M8: 3,522,431 km (0.077 R)
• M9: 3,975,264 km (0.068 R)
• M10: 4,547,326 km (0.081 R)
• M11: 5,244,453 km (0.098 R)
• M12: 6,050,785 km (0.116 R)
• M13: 6,702,882 km (0.064 R)
• M14: 7,200,146 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 13.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.38 AU - 1.64 AU

Year: 1198 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,395,714 km

• M1: 169,195 km (0.118 R)
• M2: 652,696 km (0.108 R)
• M3: 1,130,810 km (0.107 R)
• M4: 1,765,554 km (0.088 R)
• M5: 2,183,381 km (0.034 R)
• M6: 2,897,860 km (0.059 R)
• M7: 4,327,418 km (0.102 R)
• M8: 4,871,056 km (0.073 R)
• M9: 5,987,056 km (0.094 R)
• M10: 7,266,717 km (0.079 R)
• M11: 7,853,140 km (0.059 R)
• M12: 8,948,496 km (0.096 R)
• M13: 9,773,977 km (0.048 R)
• M14: 10,553,382 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 8.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.04 AU - 2.46 AU

Year: 2179 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,395,714 km

• M1: 105,766 km (0.096 R)
• M2: 404,363 km (0.072 R)
• M3: 745,745 km (0.091 R)
• M4: 1,177,485 km (0.102 R)
• M5: 1,488,050 km (0.101 R)
• M6: 1,800,710 km (0.094 R)
• M7: 2,193,105 km (0.082 R)
• M8: 2,520,874 km (0.069 R)
• M9: 2,794,937 km (0.092 R)
• M10: 3,637,173 km (0.054 R)
• M11: 4,699,767 km (0.045 R)
• M12: 5,096,351 km (0.038 R)
• M13: 5,629,069 km (0.081 R)
• M14: 5,956,688 km (0.095 R)
• M15: 6,547,899 km (0.092 R)
• M16: 7,259,237 km (0.106 R)
• M17: 10,209,307 km (0.103 R)
• M18: 10,626,834 km (0.116 R)
• M19: 11,274,444 km (0.066 R)
• M20: 12,727,936 km (0.075 R)
• M21: 13,008,582 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.1

Radius: 12.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.06 AU - 3.62 AU

Year: 3941 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,395,714 km

• M1: 155,432 km (0.106 R)
• M2: 1,153,250 km (0.075 R)
• M3: 2,177,696 km (0.113 R)
• M4: 2,714,005 km (0.106 R)
• M5: 3,513,156 km (0.047 R)
• M6: 4,440,065 km (0.085 R)
• M7: 5,550,530 km (0.112 R)
• M8: 6,113,167 km (0.085 R)
• M9: 6,744,470 km (0.101 R)
• M10: 8,679,519 km (0.097 R)
• M11: 9,130,108 km (0.057 R)
• M12: 9,795,070 km (0.118 R)
• M13: 10,618,606 km (0.041 R)
• M14: 11,178,252 km (0.06 R)
• M15: 11,577,080 km (0.056 R)
• M16: 12,879,479 km (0.104 R)
• M17: 13,817,458 km (0.114 R)
• M18: 14,432,903 km (0.083 R)
• M19: 15,444,634 km (0.08 R)
• M20: 16,847,413 km (0.029 R)
• M21: 18,702,726 km (0.084 R)
• M22: 19,519,829 km (0.101 R)
• M23: 20,360,719 km (0.058 R)
• M24: 20,890,146 km (0.117 R)
• M25: 22,253,880 km (0.05 R)
• M26: 22,744,860 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.8

Radius: 3.3

Gravity: 40.66 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.02 AU - 9.02 AU

Year: 14665 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 59.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,395,714 km

• M1: 42,785 km (0.062 R)
• M2: 294,558 km (0.109 R)
• M3: 501,602 km (0.082 R)
• M4: 1,385,575 km (0.117 R)
• M5: 1,664,576 km (0.115 R)
• M6: 2,748,711 km (0.115 R)
• M7: 3,411,131 km (0.025 R)
• M8: 3,698,359 km (0.088 R)
• M9: 6,524,412 km (0.062 R)
• M10: 7,131,929 km (0.111 R)
• M11: 8,044,476 km (0.106 R)
• M12: 8,272,613 km (0.072 R)
• M13: 10,470,804 km (0.054 R)
• M14: 12,536,002 km (0.055 R)
• M15: 13,091,609 km (0.074 R)
• M16: 14,385,032 km (0.108 R)
• M17: 29,622,473 km (0.057 R)
• M18: 30,057,055 km (0.041 R)
• M19: 36,221,534 km (0.088 R)
• M20: 45,009,362 km (0.068 R)
• M21: 51,126,718 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.2

Radius: 3.8

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.45 AU - 9.85 AU

Year: 15023 Days

Day: 15.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,395,714 km

• M1: 47,423 km (0.116 R)
• M2: 249,380 km (0.116 R)
• M3: 779,405 km (0.099 R)
• M4: 1,329,476 km (0.116 R)
• M5: 1,678,787 km (0.086 R)
• M6: 2,295,280 km (0.099 R)
• M7: 3,160,554 km (0.109 R)
• M8: 4,115,886 km (0.118 R)
• M9: 5,472,290 km (0.061 R)
• M10: 6,722,480 km (0.055 R)
• M11: 8,625,364 km (0.064 R)
• M12: 9,440,374 km (0.059 R)
• M13: 11,169,725 km (0.068 R)
• M14: 11,916,817 km (0.097 R)
• M15: 12,358,430 km (0.115 R)
• M16: 13,990,243 km (0.074 R)
• M17: 14,543,755 km (0.096 R)
• M18: 14,920,742 km (0.05 R)
• M19: 15,891,931 km (0.087 R)
• M20: 17,887,567 km (0.097 R)
• M21: 20,984,841 km (0.12 R)
• M22: 21,144,462 km (0.119 R)
• M23: 24,070,746 km (0.089 R)
• M24: 25,313,157 km (0.066 R)
• M25: 31,330,731 km (0.076 R)
• M26: 32,702,992 km (0.084 R)
• M27: 35,003,359 km (0.101 R)
• M28: 40,291,494 km (0.099 R)
• M29: 41,534,802 km (0.073 R)
• M30: 42,292,964 km (0.109 R)
• M31: 42,420,122 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 5.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.25 AU - 11.97 AU

Year: 19235 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,395,714 km

• M1: 65,973 km (0.062 R)
• M2: 612,304 km (0.105 R)
• M3: 1,438,384 km (0.106 R)
• M4: 3,444,940 km (0.05 R)
• M5: 6,854,126 km (0.065 R)
• M6: 9,641,134 km (0.059 R)
• M7: 12,016,599 km (0.112 R)
• M8: 12,695,025 km (0.117 R)
• M9: 13,699,425 km (0.034 R)
• M10: 14,439,486 km (0.091 R)
• M11: 16,680,911 km (0.073 R)
• M12: 19,144,040 km (0.107 R)
• M13: 21,264,889 km (0.046 R)
• M14: 22,593,018 km (0.102 R)
• M15: 24,867,355 km (0.059 R)
• M16: 26,246,647 km (0.091 R)
• M17: 29,156,625 km (0.077 R)
• M18: 39,041,454 km (0.092 R)
• M19: 39,408,717 km (0.074 R)
• M20: 40,775,293 km (0.088 R)
• M21: 42,173,136 km (0.094 R)
• M22: 44,130,325 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 17,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit