🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 13

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.99 AU - 1.39 AU

Year: 880 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,213,740 km

• M1: 161,715 km (0.08 R)
• M2: 698,772 km (0.112 R)
• M3: 1,389,016 km (0.027 R)
• M4: 2,612,278 km (0.087 R)
• M5: 3,043,120 km (0.098 R)
• M6: 3,469,025 km (0.115 R)
• M7: 4,109,304 km (0.112 R)
• M8: 4,536,855 km (0.112 R)
• M9: 4,943,761 km (0.049 R)
• M10: 5,392,854 km (0.072 R)
• M11: 5,888,172 km (0.105 R)
• M12: 6,677,899 km (0.079 R)
• M13: 7,763,082 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 9.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.51 AU - 1.94 AU

Year: 1530 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,213,740 km

• M1: 113,694 km (0.117 R)
• M2: 403,465 km (0.065 R)
• M3: 706,551 km (0.077 R)
• M4: 1,061,247 km (0.087 R)
• M5: 1,471,893 km (0.042 R)
• M6: 1,775,577 km (0.116 R)
• M7: 2,132,966 km (0.086 R)
• M8: 2,422,887 km (0.103 R)
• M9: 2,711,761 km (0.061 R)
• M10: 3,173,719 km (0.065 R)
• M11: 3,721,097 km (0.052 R)
• M12: 5,067,029 km (0.086 R)
• M13: 5,454,488 km (0.107 R)
• M14: 6,120,498 km (0.109 R)
• M15: 6,995,346 km (0.082 R)
• M16: 8,898,979 km (0.082 R)
• M17: 9,723,114 km (0.098 R)
• M18: 10,120,296 km (0.109 R)
• M19: 10,666,627 km (0.08 R)
• M20: 11,018,033 km (0.092 R)
• M21: 11,304,662 km (0.084 R)
• M22: 12,656,728 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 13.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.83 AU - 3.39 AU

Year: 3720 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,213,740 km

• M1: 171,738 km (0.099 R)
• M2: 1,043,296 km (0.082 R)
• M3: 1,621,940 km (0.083 R)
• M4: 2,412,565 km (0.047 R)
• M5: 3,796,944 km (0.114 R)
• M6: 5,520,161 km (0.118 R)
• M7: 8,320,634 km (0.097 R)
• M8: 8,765,089 km (0.093 R)
• M9: 10,704,176 km (0.101 R)
• M10: 15,140,800 km (0.066 R)
• M11: 17,732,883 km (0.11 R)
• M12: 19,102,451 km (0.107 R)
• M13: 22,475,584 km (0.113 R)
• M14: 23,340,709 km (0.1 R)
• M15: 23,781,574 km (0.09 R)
• M16: 26,069,823 km (0.084 R)
• M17: 26,624,232 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.2

Radius: 11.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.48 AU - 4.14 AU

Year: 5044 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,213,740 km

• M1: 145,858 km (0.119 R)
• M2: 564,433 km (0.083 R)
• M3: 1,037,910 km (0.108 R)
• M4: 2,155,705 km (0.093 R)
• M5: 3,572,846 km (0.063 R)
• M6: 3,972,571 km (0.117 R)
• M7: 4,605,520 km (0.067 R)
• M8: 5,254,326 km (0.109 R)
• M9: 5,963,121 km (0.11 R)
• M10: 6,734,747 km (0.054 R)
• M11: 8,201,254 km (0.118 R)
• M12: 9,266,242 km (0.097 R)
• M13: 10,104,139 km (0.081 R)
• M14: 10,541,564 km (0.072 R)
• M15: 11,242,729 km (0.095 R)
• M16: 12,018,693 km (0.106 R)
• M17: 12,876,038 km (0.116 R)
• M18: 13,533,671 km (0.114 R)
• M19: 14,411,810 km (0.04 R)
• M20: 17,901,629 km (0.08 R)
• M21: 19,443,086 km (0.093 R)
• M22: 20,246,127 km (0.115 R)
• M23: 21,071,309 km (0.117 R)
• M24: 21,655,489 km (0.075 R)
• M25: 22,051,025 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.4

Radius: 3.5

Gravity: 65.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.13 AU - 10.15 AU

Year: 15752 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,213,740 km

• M1: 43,533 km (0.102 R)
• M2: 219,460 km (0.111 R)
• M3: 498,161 km (0.106 R)
• M4: 641,625 km (0.091 R)
• M5: 854,503 km (0.094 R)
• M6: 1,577,809 km (0.065 R)
• M7: 1,747,004 km (0.075 R)
• M8: 2,569,942 km (0.069 R)
• M9: 2,902,199 km (0.044 R)
• M10: 3,027,562 km (0.115 R)
• M11: 3,343,213 km (0.088 R)
• M12: 4,260,099 km (0.067 R)
• M13: 4,828,271 km (0.111 R)
• M14: 12,123,262 km (0.067 R)
• M15: 15,119,258 km (0.114 R)
• M16: 15,573,138 km (0.097 R)
• M17: 20,805,922 km (0.11 R)
• M18: 21,272,817 km (0.119 R)
• M19: 21,651,300 km (0.115 R)
• M20: 22,813,825 km (0.112 R)
• M21: 26,659,238 km (0.028 R)
• M22: 29,371,597 km (0.06 R)
• M23: 33,266,378 km (0.077 R)
• M24: 34,420,824 km (0.09 R)
• M25: 36,944,989 km (0.055 R)
• M26: 38,741,361 km (0.052 R)
• M27: 39,447,463 km (0.119 R)
• M28: 40,018,478 km (0.089 R)
• M29: 44,478,289 km (0.036 R)
• M30: 53,319,673 km (0.075 R)
• M31: 53,667,937 km (0.102 R)
• M32: 55,789,085 km (0.116 R)
• M33: 57,965,435 km (0.102 R)
• M34: 59,260,803 km (0.078 R)
• M35: 60,764,710 km (0.116 R)
• M36: 62,486,731 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.2

Radius: 7

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.36 AU - 8.9 AU

Year: 17195 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,213,740 km

• M1: 87,066 km (0.065 R)
• M2: 416,929 km (0.059 R)
• M3: 755,020 km (0.089 R)
• M4: 1,636,750 km (0.102 R)
• M5: 1,901,239 km (0.119 R)
• M6: 3,023,223 km (0.09 R)
• M7: 3,740,545 km (0.074 R)
• M8: 5,094,555 km (0.068 R)
• M9: 7,719,849 km (0.102 R)
• M10: 9,824,541 km (0.114 R)
• M11: 13,165,211 km (0.11 R)
• M12: 21,298,099 km (0.117 R)
• M13: 27,572,982 km (0.092 R)
• M14: 28,609,396 km (0.08 R)
• M15: 32,377,916 km (0.106 R)
• M16: 38,276,410 km (0.099 R)
• M17: 52,842,905 km (0.062 R)
• M18: 54,798,747 km (0.095 R)
• M19: 61,536,935 km (0.084 R)
• M20: 66,527,819 km (0.106 R)
• M21: 66,938,315 km (0.101 R)
• M22: 70,709,678 km (0.103 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: 538 - 10,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit