🌌 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: 494.3

Radius: 8.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.79 AU - 1.03 AU

Year: 599 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,466,896 km

• M1: 102,325 km (0.096 R)
• M2: 414,536 km (0.112 R)
• M3: 749,485 km (0.114 R)
• M4: 1,174,493 km (0.118 R)
• M5: 1,809,087 km (0.118 R)
• M6: 2,249,802 km (0.09 R)
• M7: 2,665,086 km (0.057 R)
• M8: 2,947,228 km (0.042 R)
• M9: 3,508,369 km (0.082 R)
• M10: 4,181,560 km (0.064 R)
• M11: 4,732,977 km (0.114 R)
• M12: 6,525,160 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 13.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.03 AU - 1.41 AU

Year: 930 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,466,896 km

• M1: 164,109 km (0.107 R)
• M2: 803,640 km (0.105 R)
• M3: 1,477,279 km (0.119 R)
• M4: 2,203,726 km (0.053 R)
• M5: 2,961,888 km (0.097 R)
• M6: 3,844,665 km (0.088 R)
• M7: 5,516,870 km (0.053 R)
• M8: 7,004,172 km (0.08 R)
• M9: 7,935,718 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858

Radius: 12

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.63 AU - 1.83 AU

Year: 1571 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,466,896 km

• M1: 149,299 km (0.112 R)
• M2: 1,244,654 km (0.117 R)
• M3: 1,715,140 km (0.105 R)
• M4: 2,159,744 km (0.054 R)
• M5: 2,667,629 km (0.118 R)
• M6: 3,349,796 km (0.111 R)
• M7: 3,872,939 km (0.094 R)
• M8: 4,469,685 km (0.098 R)
• M9: 4,894,094 km (0.104 R)
• M10: 5,569,828 km (0.104 R)
• M11: 7,054,437 km (0.085 R)
• M12: 13,201,713 km (0.048 R)
• M13: 14,907,727 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 10.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.76 AU - 3.72 AU

Year: 4026 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,466,896 km

• M1: 128,355 km (0.102 R)
• M2: 662,719 km (0.101 R)
• M3: 1,003,503 km (0.098 R)
• M4: 2,091,827 km (0.056 R)
• M5: 3,431,626 km (0.088 R)
• M6: 4,884,819 km (0.104 R)
• M7: 6,508,106 km (0.079 R)
• M8: 7,569,353 km (0.088 R)
• M9: 8,091,450 km (0.102 R)
• M10: 9,955,439 km (0.116 R)
• M11: 13,171,195 km (0.053 R)
• M12: 15,473,805 km (0.063 R)
• M13: 15,838,375 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 11.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.71 AU - 3.89 AU

Year: 4138 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,466,896 km

• M1: 144,212 km (0.063 R)
• M2: 557,701 km (0.076 R)
• M3: 1,132,306 km (0.111 R)
• M4: 1,498,522 km (0.103 R)
• M5: 1,909,018 km (0.106 R)
• M6: 2,437,996 km (0.089 R)
• M7: 2,996,296 km (0.096 R)
• M8: 3,638,519 km (0.083 R)
• M9: 4,864,624 km (0.059 R)
• M10: 6,292,685 km (0.088 R)
• M11: 6,718,889 km (0.082 R)
• M12: 7,347,948 km (0.101 R)
• M13: 7,820,977 km (0.114 R)
• M14: 9,291,075 km (0.102 R)
• M15: 10,149,168 km (0.117 R)
• M16: 12,327,463 km (0.096 R)
• M17: 13,271,126 km (0.105 R)
• M18: 17,311,316 km (0.041 R)
• M19: 18,094,012 km (0.062 R)
• M20: 19,076,122 km (0.056 R)
• M21: 19,490,658 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 9.6

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.11 AU - 4.51 AU

Year: 6176 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,466,896 km

• M1: 123,867 km (0.032 R)
• M2: 439,818 km (0.101 R)
• M3: 1,064,389 km (0.115 R)
• M4: 1,383,930 km (0.046 R)
• M5: 1,768,396 km (0.067 R)
• M6: 2,145,383 km (0.091 R)
• M7: 3,308,656 km (0.077 R)
• M8: 3,932,928 km (0.112 R)
• M9: 4,298,545 km (0.107 R)
• M10: 5,070,470 km (0.056 R)
• M11: 6,153,708 km (0.051 R)
• M12: 6,784,413 km (0.072 R)
• M13: 7,829,354 km (0.096 R)
• M14: 8,291,761 km (0.113 R)
• M15: 9,103,030 km (0.083 R)
• M16: 10,417,846 km (0.034 R)
• M17: 14,366,033 km (0.099 R)
• M18: 15,534,841 km (0.114 R)
• M19: 16,081,023 km (0.114 R)
• M20: 16,829,162 km (0.058 R)
• M21: 20,055,091 km (0.12 R)
• M22: 21,290,171 km (0.059 R)
• M23: 21,662,968 km (0.098 R)
• M24: 22,498,173 km (0.114 R)
• M25: 25,382,420 km (0.043 R)
• M26: 27,174,154 km (0.1 R)
• M27: 29,231,424 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.8

Radius: 4.7

Gravity: 18.55 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.32 AU - 9.12 AU

Year: 14806 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,466,896 km

• M1: 58,942 km (0.052 R)
• M2: 543,788 km (0.075 R)
• M3: 712,834 km (0.065 R)
• M4: 1,033,721 km (0.112 R)
• M5: 1,791,883 km (0.053 R)
• M6: 1,958,984 km (0.093 R)
• M7: 2,627,986 km (0.066 R)
• M8: 3,831,351 km (0.092 R)
• M9: 4,053,354 km (0.081 R)
• M10: 4,492,424 km (0.112 R)
• M11: 4,962,610 km (0.073 R)
• M12: 5,639,690 km (0.087 R)
• M13: 6,300,015 km (0.089 R)
• M14: 8,174,177 km (0.099 R)
• M15: 8,495,663 km (0.117 R)
• M16: 12,012,709 km (0.084 R)
• M17: 17,576,254 km (0.084 R)
• M18: 19,701,441 km (0.113 R)
• M19: 24,359,470 km (0.117 R)
• M20: 26,193,390 km (0.085 R)
• M21: 34,808,133 km (0.102 R)
• M22: 37,129,444 km (0.073 R)
• M23: 38,519,507 km (0.067 R)
• M24: 42,349,661 km (0.06 R)
• M25: 44,146,182 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit