🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 10.9

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.12 AU

Year: 610 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,340,466 km

• M1: 138,827 km (0.116 R)
• M2: 563,984 km (0.064 R)
• M3: 1,232,537 km (0.045 R)
• M4: 1,601,146 km (0.115 R)
• M5: 2,128,927 km (0.043 R)
• M6: 2,568,446 km (0.083 R)
• M7: 3,508,968 km (0.116 R)
• M8: 4,066,220 km (0.079 R)
• M9: 4,566,774 km (0.099 R)
• M10: 5,108,019 km (0.074 R)
• M11: 5,504,753 km (0.117 R)
• M12: 6,339,808 km (0.098 R)
• M13: 6,949,270 km (0.064 R)
• M14: 7,482,885 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 14.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.74 AU - 1.14 AU

Year: 641 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,340,466 km

• M1: 181,612 km (0.102 R)
• M2: 649,554 km (0.07 R)
• M3: 1,297,163 km (0.055 R)
• M4: 1,916,648 km (0.111 R)
• M5: 2,388,480 km (0.102 R)
• M6: 4,086,864 km (0.083 R)
• M7: 5,227,548 km (0.104 R)
• M8: 6,106,136 km (0.078 R)
• M9: 7,059,673 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 8.2

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.28 AU - 1.44 AU

Year: 1115 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,340,466 km

• M1: 102,026 km (0.071 R)
• M2: 357,988 km (0.099 R)
• M3: 630,555 km (0.069 R)
• M4: 972,087 km (0.092 R)
• M5: 1,315,414 km (0.111 R)
• M6: 1,682,378 km (0.096 R)
• M7: 2,239,480 km (0.108 R)
• M8: 2,766,663 km (0.107 R)
• M9: 3,095,330 km (0.071 R)
• M10: 3,864,711 km (0.068 R)
• M11: 4,136,232 km (0.108 R)
• M12: 4,512,021 km (0.106 R)
• M13: 4,794,163 km (0.117 R)
• M14: 5,068,226 km (0.091 R)
• M15: 6,247,955 km (0.108 R)
• M16: 6,767,808 km (0.082 R)
• M17: 7,653,726 km (0.045 R)
• M18: 9,021,200 km (0.05 R)
• M19: 10,156,648 km (0.099 R)
• M20: 10,610,079 km (0.114 R)
• M21: 11,838,427 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 10.5

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.65 AU - 1.87 AU

Year: 1641 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,340,466 km

• M1: 130,898 km (0.062 R)
• M2: 663,167 km (0.111 R)
• M3: 1,035,068 km (0.077 R)
• M4: 2,513,992 km (0.107 R)
• M5: 2,853,280 km (0.116 R)
• M6: 3,320,923 km (0.074 R)
• M7: 3,839,130 km (0.107 R)
• M8: 5,016,465 km (0.116 R)
• M9: 5,396,594 km (0.111 R)
• M10: 6,787,854 km (0.097 R)
• M11: 7,114,725 km (0.084 R)
• M12: 7,595,981 km (0.07 R)
• M13: 8,281,439 km (0.069 R)
• M14: 8,750,428 km (0.106 R)
• M15: 9,303,192 km (0.109 R)
• M16: 9,741,514 km (0.066 R)
• M17: 10,550,839 km (0.072 R)
• M18: 13,248,687 km (0.053 R)
• M19: 14,643,687 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.06 AU - 2.2 AU

Year: 2185 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,340,466 km

• M1: 112,348 km (0.119 R)
• M2: 491,279 km (0.075 R)
• M3: 784,042 km (0.109 R)
• M4: 1,933,104 km (0.101 R)
• M5: 2,572,335 km (0.113 R)
• M6: 4,722,057 km (0.088 R)
• M7: 5,803,201 km (0.119 R)
• M8: 7,471,516 km (0.111 R)
• M9: 8,607,413 km (0.095 R)
• M10: 10,688,169 km (0.108 R)
• M11: 11,411,625 km (0.069 R)
• M12: 13,083,531 km (0.105 R)
• M13: 13,427,905 km (0.045 R)
• M14: 16,454,419 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 5

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.11 AU - 7.13 AU

Year: 11973 Days

Day: 18.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,340,466 km

• M1: 73,303 km (0.096 R)
• M2: 802,293 km (0.062 R)
• M3: 1,270,684 km (0.047 R)
• M4: 1,963,472 km (0.086 R)
• M5: 6,310,936 km (0.117 R)
• M6: 6,966,324 km (0.103 R)
• M7: 12,555,600 km (0.109 R)
• M8: 12,983,898 km (0.115 R)
• M9: 17,156,333 km (0.115 R)
• M10: 23,323,505 km (0.098 R)
• M11: 31,013,284 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887

Radius: 6.6

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.54 AU - 7.82 AU

Year: 14961 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,340,466 km

• M1: 82,129 km (0.093 R)
• M2: 336,296 km (0.089 R)
• M3: 723,306 km (0.037 R)
• M4: 1,425,668 km (0.099 R)
• M5: 1,888,374 km (0.072 R)
• M6: 2,884,995 km (0.118 R)
• M7: 3,213,961 km (0.05 R)
• M8: 3,947,140 km (0.119 R)
• M9: 4,925,510 km (0.092 R)
• M10: 5,285,143 km (0.108 R)
• M11: 8,063,475 km (0.09 R)
• M12: 10,711,357 km (0.032 R)
• M13: 13,538,308 km (0.086 R)
• M14: 15,122,699 km (0.085 R)
• M15: 15,959,550 km (0.061 R)
• M16: 18,655,004 km (0.115 R)
• M17: 20,796,049 km (0.102 R)
• M18: 21,074,750 km (0.109 R)
• M19: 23,595,175 km (0.107 R)
• M20: 24,927,792 km (0.048 R)
• M21: 26,744,958 km (0.104 R)
• M22: 28,878,523 km (0.076 R)
• M23: 35,557,170 km (0.055 R)
• M24: 36,761,882 km (0.115 R)
• M25: 42,895,245 km (0.053 R)
• M26: 43,649,816 km (0.097 R)
• M27: 46,756,964 km (0.119 R)
• M28: 47,235,528 km (0.043 R)
• M29: 47,717,083 km (0.096 R)
• M30: 48,202,080 km (0.059 R)
• M31: 54,809,219 km (0.102 R)
• M32: 59,533,969 km (0.098 R)
• M33: 66,313,146 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 18,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit