🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 12.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.67 AU - 0.73 AU

Year: 404 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,268,121 km

• M1: 151,692 km (0.046 R)
• M2: 542,891 km (0.055 R)
• M3: 950,246 km (0.038 R)
• M4: 1,418,786 km (0.045 R)
• M5: 1,870,422 km (0.095 R)
• M6: 2,337,616 km (0.12 R)
• M7: 2,903,246 km (0.051 R)
• M8: 3,417,863 km (0.112 R)
• M9: 4,490,479 km (0.037 R)
• M10: 4,969,043 km (0.063 R)
• M11: 5,545,892 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 14.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,268,121 km

• M1: 185,352 km (0.1 R)
• M2: 665,860 km (0.117 R)
• M3: 1,199,027 km (0.114 R)
• M4: 1,828,984 km (0.088 R)
• M5: 2,461,184 km (0.064 R)
• M6: 2,927,331 km (0.11 R)
• M7: 4,120,673 km (0.061 R)
• M8: 5,345,730 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 14.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.73 AU - 1.03 AU

Year: 570 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,268,121 km

• M1: 180,265 km (0.115 R)
• M2: 669,301 km (0.099 R)
• M3: 1,292,825 km (0.053 R)
• M4: 1,806,245 km (0.09 R)
• M5: 2,601,357 km (0.118 R)
• M6: 3,489,819 km (0.075 R)
• M7: 4,034,355 km (0.066 R)
• M8: 5,193,290 km (0.077 R)
• M9: 5,925,422 km (0.119 R)
• M10: 6,664,585 km (0.11 R)
• M11: 7,486,476 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 9.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.95 AU - 1.97 AU

Year: 1894 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,268,121 km

• M1: 114,442 km (0.085 R)
• M2: 457,321 km (0.1 R)
• M3: 787,782 km (0.094 R)
• M4: 1,103,733 km (0.094 R)
• M5: 2,681,841 km (0.104 R)
• M6: 3,067,654 km (0.05 R)
• M7: 3,534,698 km (0.095 R)
• M8: 4,032,111 km (0.047 R)
• M9: 6,503,019 km (0.083 R)
• M10: 7,251,158 km (0.109 R)
• M11: 7,747,225 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 9.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.56 AU - 2.5 AU

Year: 1996 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,268,121 km

• M1: 123,269 km (0.059 R)
• M2: 459,864 km (0.094 R)
• M3: 1,003,802 km (0.034 R)
• M4: 1,434,793 km (0.104 R)
• M5: 1,849,628 km (0.069 R)
• M6: 2,177,547 km (0.114 R)
• M7: 2,636,064 km (0.116 R)
• M8: 3,581,672 km (0.054 R)
• M9: 4,390,698 km (0.119 R)
• M10: 4,980,861 km (0.113 R)
• M11: 5,667,964 km (0.109 R)
• M12: 7,177,706 km (0.093 R)
• M13: 8,817,448 km (0.104 R)
• M14: 9,468,648 km (0.118 R)
• M15: 10,218,133 km (0.089 R)
• M16: 11,183,488 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 14.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.85 AU - 4.07 AU

Year: 4442 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,268,121 km

• M1: 177,872 km (0.076 R)
• M2: 721,511 km (0.101 R)
• M3: 1,248,993 km (0.07 R)
• M4: 1,855,462 km (0.119 R)
• M5: 2,370,977 km (0.034 R)
• M6: 3,677,714 km (0.113 R)
• M7: 4,268,326 km (0.077 R)
• M8: 4,771,125 km (0.109 R)
• M9: 5,530,932 km (0.069 R)
• M10: 5,983,915 km (0.029 R)
• M11: 6,461,730 km (0.055 R)
• M12: 9,052,317 km (0.083 R)
• M13: 10,219,031 km (0.074 R)
• M14: 10,773,590 km (0.077 R)
• M15: 11,483,731 km (0.118 R)
• M16: 14,217,782 km (0.038 R)
• M17: 14,909,971 km (0.086 R)
• M18: 15,513,000 km (0.118 R)
• M19: 19,415,560 km (0.064 R)
• M20: 20,267,968 km (0.111 R)
• M21: 20,737,257 km (0.113 R)
• M22: 21,907,262 km (0.031 R)
• M23: 22,472,742 km (0.095 R)
• M24: 24,454,016 km (0.112 R)
• M25: 25,681,616 km (0.098 R)
• M26: 26,869,573 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 9.3

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.06 AU - 4.94 AU

Year: 5522 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,268,121 km

• M1: 115,639 km (0.102 R)
• M2: 429,495 km (0.059 R)
• M3: 1,424,471 km (0.046 R)
• M4: 1,750,445 km (0.079 R)
• M5: 2,538,227 km (0.115 R)
• M6: 2,886,491 km (0.101 R)
• M7: 3,679,958 km (0.099 R)
• M8: 4,030,615 km (0.093 R)
• M9: 6,866,841 km (0.109 R)
• M10: 7,547,362 km (0.054 R)
• M11: 13,247,340 km (0.095 R)
• M12: 14,472,547 km (0.089 R)
• M13: 15,350,088 km (0.031 R)
• M14: 18,062,447 km (0.097 R)
• M15: 18,668,019 km (0.115 R)
• M16: 20,711,975 km (0.111 R)
• M17: 22,053,269 km (0.08 R)
• M18: 22,822,801 km (0.091 R)
• M19: 23,293,136 km (0.073 R)
• M20: 24,091,391 km (0.119 R)
• M21: 31,146,725 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.8

Radius: 7.6

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.36 AU - 8.94 AU

Year: 13197 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,268,121 km

• M1: 113,844 km (0.108 R)
• M2: 415,732 km (0.089 R)
• M3: 1,079,947 km (0.044 R)
• M4: 1,375,104 km (0.074 R)
• M5: 1,836,613 km (0.071 R)
• M6: 2,167,823 km (0.056 R)
• M7: 2,728,815 km (0.057 R)
• M8: 3,640,165 km (0.111 R)
• M9: 3,994,562 km (0.049 R)
• M10: 4,431,837 km (0.075 R)
• M11: 5,130,459 km (0.083 R)
• M12: 5,647,469 km (0.113 R)
• M13: 6,123,190 km (0.038 R)
• M14: 6,704,977 km (0.066 R)
• M15: 10,127,028 km (0.117 R)
• M16: 10,719,136 km (0.098 R)
• M17: 11,391,279 km (0.036 R)
• M18: 16,170,034 km (0.108 R)
• M19: 16,681,509 km (0.055 R)
• M20: 18,596,511 km (0.091 R)
• M21: 19,565,906 km (0.112 R)
• M22: 19,896,367 km (0.081 R)
• M23: 21,255,763 km (0.116 R)
• M24: 22,494,882 km (0.071 R)
• M25: 23,132,319 km (0.069 R)
• M26: 23,875,371 km (0.11 R)
• M27: 26,001,008 km (0.095 R)
• M28: 27,935,607 km (0.029 R)
• M29: 29,746,041 km (0.102 R)
• M30: 30,624,629 km (0.076 R)
• M31: 32,664,246 km (0.11 R)
• M32: 38,028,377 km (0.084 R)
• M33: 45,812,104 km (0.115 R)
• M34: 48,625,441 km (0.117 R)
• M35: 49,232,061 km (0.102 R)
• M36: 52,024,604 km (0.042 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: 483 - 14,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit