🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 8.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.9 AU - 1.1 AU

Year: 667 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,569,050 km

• M1: 104,419 km (0.101 R)
• M2: 398,828 km (0.113 R)
• M3: 667,954 km (0.085 R)
• M4: 1,092,214 km (0.084 R)
• M5: 1,482,664 km (0.108 R)
• M6: 2,057,120 km (0.087 R)
• M7: 4,918,329 km (0.117 R)
• M8: 5,221,414 km (0.101 R)
• M9: 5,553,971 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 13.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.33 AU - 1.99 AU

Year: 1426 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,569,050 km

• M1: 170,392 km (0.092 R)
• M2: 613,202 km (0.041 R)
• M3: 1,046,288 km (0.11 R)
• M4: 1,494,632 km (0.095 R)
• M5: 2,161,240 km (0.098 R)
• M6: 2,965,179 km (0.097 R)
• M7: 3,445,389 km (0.115 R)
• M8: 4,435,427 km (0.097 R)
• M9: 5,107,720 km (0.103 R)
• M10: 5,693,845 km (0.086 R)
• M11: 7,280,330 km (0.1 R)
• M12: 8,789,473 km (0.076 R)
• M13: 10,630,724 km (0.092 R)
• M14: 11,275,192 km (0.104 R)
• M15: 12,199,108 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 9.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.87 AU - 2.15 AU

Year: 1900 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,569,050 km

• M1: 116,836 km (0.074 R)
• M2: 515,365 km (0.065 R)
• M3: 1,228,498 km (0.113 R)
• M4: 1,981,573 km (0.101 R)
• M5: 2,536,581 km (0.079 R)
• M6: 3,068,851 km (0.087 R)
• M7: 3,419,957 km (0.11 R)
• M8: 4,103,470 km (0.093 R)
• M9: 4,601,930 km (0.086 R)
• M10: 5,159,631 km (0.076 R)
• M11: 5,495,328 km (0.072 R)
• M12: 5,994,087 km (0.067 R)
• M13: 7,010,455 km (0.105 R)
• M14: 7,422,897 km (0.098 R)
• M15: 8,925,757 km (0.109 R)
• M16: 9,943,471 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 14

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.78 AU - 4.32 AU

Year: 5435 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,569,050 km

• M1: 174,132 km (0.098 R)
• M2: 822,190 km (0.092 R)
• M3: 1,287,589 km (0.03 R)
• M4: 1,878,052 km (0.031 R)
• M5: 2,454,153 km (0.116 R)
• M6: 6,004,709 km (0.11 R)
• M7: 7,565,314 km (0.114 R)
• M8: 13,250,631 km (0.073 R)
• M9: 13,919,184 km (0.113 R)
• M10: 15,263,471 km (0.071 R)
• M11: 15,998,445 km (0.038 R)
• M12: 17,079,888 km (0.103 R)
• M13: 18,827,490 km (0.072 R)
• M14: 20,105,355 km (0.085 R)
• M15: 20,691,480 km (0.099 R)
• M16: 22,518,818 km (0.081 R)
• M17: 23,471,756 km (0.116 R)
• M18: 28,369,441 km (0.076 R)
• M19: 33,499,002 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 12.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.23 AU - 4.47 AU

Year: 6050 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,569,050 km

• M1: 264,040 km (0.093 R)
• M2: 688,599 km (0.104 R)
• M3: 1,246,150 km (0.115 R)
• M4: 2,204,773 km (0.072 R)
• M5: 4,965,453 km (0.11 R)
• M6: 5,494,131 km (0.119 R)
• M7: 8,047,917 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.7

Radius: 5.7

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.02 AU - 7.2 AU

Year: 11333 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,569,050 km

• M1: 70,909 km (0.083 R)
• M2: 261,048 km (0.03 R)
• M3: 458,069 km (0.119 R)
• M4: 733,179 km (0.071 R)
• M5: 1,397,244 km (0.113 R)
• M6: 2,159,146 km (0.12 R)
• M7: 2,539,125 km (0.042 R)
• M8: 3,358,622 km (0.116 R)
• M9: 4,284,333 km (0.053 R)
• M10: 5,886,078 km (0.093 R)
• M11: 7,467,776 km (0.05 R)
• M12: 8,155,478 km (0.108 R)
• M13: 9,508,141 km (0.08 R)
• M14: 9,906,072 km (0.046 R)
• M15: 11,779,037 km (0.081 R)
• M16: 12,064,619 km (0.098 R)
• M17: 13,812,820 km (0.055 R)
• M18: 14,452,949 km (0.09 R)
• M19: 16,993,570 km (0.091 R)
• M20: 17,284,837 km (0.087 R)
• M21: 18,330,975 km (0.106 R)
• M22: 19,736,896 km (0.051 R)
• M23: 26,763,209 km (0.097 R)
• M24: 27,857,218 km (0.107 R)
• M25: 30,347,274 km (0.075 R)
• M26: 30,561,199 km (0.077 R)
• M27: 31,100,500 km (0.102 R)
• M28: 34,937,536 km (0.07 R)
• M29: 41,266,423 km (0.083 R)
• M30: 43,128,617 km (0.05 R)
• M31: 44,630,430 km (0.076 R)
• M32: 48,318,317 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.5

Radius: 4.5

Gravity: 23.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.43 AU - 7.45 AU

Year: 12192 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,569,050 km

• M1: 58,792 km (0.115 R)
• M2: 680,222 km (0.109 R)
• M3: 1,253,630 km (0.097 R)
• M4: 2,065,947 km (0.077 R)
• M5: 2,208,214 km (0.055 R)
• M6: 3,371,487 km (0.1 R)
• M7: 4,181,859 km (0.101 R)
• M8: 4,527,879 km (0.112 R)
• M9: 5,309,976 km (0.026 R)
• M10: 5,544,097 km (0.084 R)
• M11: 6,665,184 km (0.106 R)
• M12: 7,972,669 km (0.046 R)
• M13: 11,465,779 km (0.098 R)
• M14: 15,654,220 km (0.09 R)
• M15: 16,275,351 km (0.095 R)
• M16: 16,984,445 km (0.104 R)
• M17: 18,388,271 km (0.116 R)
• M18: 19,947,679 km (0.073 R)
• M19: 28,467,278 km (0.102 R)
• M20: 37,150,686 km (0.082 R)
• M21: 37,883,716 km (0.089 R)
• M22: 41,824,573 km (0.052 R)
• M23: 42,219,810 km (0.057 R)
• M24: 43,690,507 km (0.092 R)
• M25: 44,233,697 km (0.073 R)
• M26: 44,507,012 km (0.115 R)
• M27: 45,611,344 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.3

Radius: 3.4

Gravity: 60.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.17 AU - 7.33 AU

Year: 13018 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,569,050 km

• M1: 70,610 km (0.107 R)
• M2: 291,417 km (0.115 R)
• M3: 613,950 km (0.077 R)
• M4: 1,238,670 km (0.086 R)
• M5: 1,359,994 km (0.058 R)
• M6: 1,474,586 km (0.116 R)
• M7: 1,690,606 km (0.079 R)
• M8: 1,945,072 km (0.09 R)
• M9: 2,862,705 km (0.118 R)
• M10: 3,614,584 km (0.099 R)
• M11: 4,213,574 km (0.084 R)
• M12: 5,111,610 km (0.062 R)
• M13: 5,390,011 km (0.032 R)
• M14: 6,129,922 km (0.044 R)
• M15: 6,935,357 km (0.103 R)
• M16: 7,451,021 km (0.093 R)
• M17: 7,628,444 km (0.079 R)
• M18: 9,000,406 km (0.119 R)
• M19: 9,718,027 km (0.107 R)
• M20: 12,908,052 km (0.106 R)
• M21: 13,164,014 km (0.092 R)
• M22: 15,051,939 km (0.093 R)
• M23: 17,344,228 km (0.087 R)
• M24: 17,577,600 km (0.105 R)
• M25: 17,734,528 km (0.115 R)
• M26: 22,791,086 km (0.043 R)
• M27: 25,595,448 km (0.107 R)
• M28: 28,083,260 km (0.118 R)
• M29: 31,876,913 km (0.084 R)
• M30: 32,580,023 km (0.098 R)
• M31: 34,260,605 km (0.092 R)
• M32: 38,317,101 km (0.094 R)
• M33: 39,513,136 km (0.063 R)
• M34: 43,107,524 km (0.114 R)
• M35: 52,870,879 km (0.104 R)
• M36: 53,197,601 km (0.105 R)
• M37: 54,684,754 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 19,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit