🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 13.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.24 AU - 1.62 AU

Year: 1202 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,288,639 km

• M1: 163,062 km (0.062 R)
• M2: 690,843 km (0.05 R)
• M3: 1,104,631 km (0.048 R)
• M4: 1,529,189 km (0.036 R)
• M5: 1,956,890 km (0.116 R)
• M6: 3,727,829 km (0.06 R)
• M7: 4,622,275 km (0.038 R)
• M8: 5,812,027 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 9.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.25 AU - 2.03 AU

Year: 1476 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,288,639 km

• M1: 119,379 km (0.051 R)
• M2: 428,747 km (0.096 R)
• M3: 1,081,144 km (0.103 R)
• M4: 1,548,787 km (0.036 R)
• M5: 1,935,946 km (0.111 R)
• M6: 2,351,978 km (0.081 R)
• M7: 3,188,379 km (0.085 R)
• M8: 4,124,114 km (0.084 R)
• M9: 4,572,010 km (0.1 R)
• M10: 7,215,255 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 12

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.15 AU - 3.65 AU

Year: 4407 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,288,639 km

• M1: 149,299 km (0.065 R)
• M2: 524,341 km (0.088 R)
• M3: 1,324,390 km (0.098 R)
• M4: 2,196,097 km (0.056 R)
• M5: 2,704,430 km (0.103 R)
• M6: 3,184,490 km (0.101 R)
• M7: 4,125,909 km (0.03 R)
• M8: 4,953,185 km (0.053 R)
• M9: 6,497,335 km (0.057 R)
• M10: 13,266,190 km (0.118 R)
• M11: 13,641,381 km (0.105 R)
• M12: 14,315,170 km (0.076 R)
• M13: 17,013,317 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 15

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.99 AU - 5.75 AU

Year: 8747 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,288,639 km

• M1: 188,344 km (0.104 R)
• M2: 951,742 km (0.086 R)
• M3: 1,760,767 km (0.06 R)
• M4: 2,474,199 km (0.091 R)
• M5: 3,945,793 km (0.114 R)
• M6: 6,250,498 km (0.083 R)
• M7: 6,778,429 km (0.095 R)
• M8: 7,464,036 km (0.054 R)
• M9: 8,195,719 km (0.058 R)
• M10: 9,158,681 km (0.116 R)
• M11: 10,930,069 km (0.116 R)
• M12: 12,873,794 km (0.069 R)
• M13: 14,325,193 km (0.085 R)
• M14: 14,832,479 km (0.115 R)
• M15: 15,404,392 km (0.05 R)
• M16: 19,705,181 km (0.093 R)
• M17: 21,962,613 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.4

Radius: 3.4

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.84 AU - 9.2 AU

Year: 14496 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,288,639 km

• M1: 42,486 km (0.113 R)
• M2: 184,903 km (0.089 R)
• M3: 370,404 km (0.055 R)
• M4: 492,476 km (0.114 R)
• M5: 838,047 km (0.094 R)
• M6: 960,568 km (0.114 R)
• M7: 1,534,276 km (0.048 R)
• M8: 1,998,478 km (0.111 R)
• M9: 2,236,339 km (0.108 R)
• M10: 2,589,090 km (0.097 R)
• M11: 4,630,952 km (0.114 R)
• M12: 8,038,193 km (0.11 R)
• M13: 9,544,943 km (0.052 R)
• M14: 12,364,114 km (0.038 R)
• M15: 13,513,176 km (0.075 R)
• M16: 16,355,086 km (0.069 R)
• M17: 17,384,320 km (0.102 R)
• M18: 18,238,224 km (0.098 R)
• M19: 21,527,582 km (0.095 R)
• M20: 28,463,688 km (0.068 R)
• M21: 28,658,763 km (0.101 R)
• M22: 30,150,703 km (0.114 R)
• M23: 31,070,281 km (0.054 R)
• M24: 31,484,817 km (0.078 R)
• M25: 34,160,225 km (0.12 R)
• M26: 35,159,240 km (0.114 R)
• M27: 36,751,858 km (0.102 R)
• M28: 38,154,488 km (0.119 R)
• M29: 39,471,398 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.9

Radius: 5.3

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.55 AU - 8.27 AU

Year: 15638 Days

Day: 18 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,288,639 km

• M1: 66,122 km (0.094 R)
• M2: 386,710 km (0.07 R)
• M3: 1,090,419 km (0.108 R)
• M4: 1,418,487 km (0.077 R)
• M5: 1,621,043 km (0.063 R)
• M6: 2,590,736 km (0.071 R)
• M7: 3,079,622 km (0.109 R)
• M8: 3,346,056 km (0.046 R)
• M9: 3,707,334 km (0.06 R)
• M10: 4,661,769 km (0.046 R)
• M11: 6,798,924 km (0.109 R)
• M12: 9,164,515 km (0.086 R)
• M13: 11,333,684 km (0.051 R)
• M14: 13,822,694 km (0.062 R)
• M15: 15,090,685 km (0.109 R)
• M16: 17,398,532 km (0.116 R)
• M17: 20,600,824 km (0.118 R)
• M18: 25,615,344 km (0.11 R)
• M19: 26,207,303 km (0.12 R)
• M20: 26,909,216 km (0.092 R)
• M21: 27,112,071 km (0.097 R)
• M22: 30,829,129 km (0.099 R)
• M23: 34,632,057 km (0.068 R)
• M24: 35,843,351 km (0.085 R)
• M25: 36,212,259 km (0.096 R)
• M26: 48,341,056 km (0.041 R)
• M27: 52,811,040 km (0.095 R)
• M28: 53,288,706 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 15,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit