🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 13.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,071,430 km

• M1: 170,392 km (0.071 R)
• M2: 632,350 km (0.085 R)
• M3: 1,084,136 km (0.025 R)
• M4: 1,632,861 km (0.085 R)
• M5: 2,150,769 km (0.114 R)
• M6: 2,668,676 km (0.093 R)
• M7: 3,207,827 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 12.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.64 AU - 0.88 AU

Year: 435 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,071,430 km

• M1: 153,787 km (0.066 R)
• M2: 876,793 km (0.12 R)
• M3: 1,367,474 km (0.118 R)
• M4: 2,127,282 km (0.118 R)
• M5: 2,680,794 km (0.119 R)
• M6: 3,639,417 km (0.119 R)
• M7: 4,065,472 km (0.052 R)
• M8: 4,829,468 km (0.116 R)
• M9: 6,134,261 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.89 AU - 0.95 AU

Year: 579 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,071,430 km

• M1: 175,329 km (0.051 R)
• M2: 684,859 km (0.1 R)
• M3: 1,161,777 km (0.108 R)
• M4: 1,612,815 km (0.099 R)
• M5: 2,430,367 km (0.1 R)
• M6: 4,116,634 km (0.116 R)
• M7: 4,992,530 km (0.111 R)
• M8: 5,502,509 km (0.039 R)
• M9: 6,586,944 km (0.04 R)
• M10: 7,557,984 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 13.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.44 AU - 3.32 AU

Year: 3206 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,071,430 km

• M1: 169,046 km (0.043 R)
• M2: 909,555 km (0.09 R)
• M3: 1,416,243 km (0.063 R)
• M4: 2,431,414 km (0.12 R)
• M5: 3,262,281 km (0.085 R)
• M6: 4,217,912 km (0.047 R)
• M7: 5,219,470 km (0.106 R)
• M8: 8,897,184 km (0.097 R)
• M9: 9,512,031 km (0.098 R)
• M10: 10,293,979 km (0.12 R)
• M11: 11,081,761 km (0.083 R)
• M12: 13,062,886 km (0.118 R)
• M13: 13,519,459 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 9.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.47 AU - 4.21 AU

Year: 4936 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,071,430 km

• M1: 123,119 km (0.112 R)
• M2: 533,316 km (0.109 R)
• M3: 997,070 km (0.059 R)
• M4: 1,827,039 km (0.092 R)
• M5: 2,172,011 km (0.081 R)
• M6: 2,944,834 km (0.096 R)
• M7: 4,204,897 km (0.049 R)
• M8: 5,634,305 km (0.113 R)
• M9: 6,231,948 km (0.066 R)
• M10: 6,811,640 km (0.068 R)
• M11: 7,300,825 km (0.104 R)
• M12: 7,780,585 km (0.11 R)
• M13: 8,767,782 km (0.046 R)
• M14: 9,126,966 km (0.116 R)
• M15: 9,951,849 km (0.096 R)
• M16: 10,263,910 km (0.074 R)
• M17: 11,663,548 km (0.112 R)
• M18: 13,280,102 km (0.047 R)
• M19: 15,871,287 km (0.111 R)
• M20: 17,173,985 km (0.091 R)
• M21: 17,680,374 km (0.075 R)
• M22: 20,488,625 km (0.044 R)
• M23: 20,803,828 km (0.077 R)
• M24: 21,444,107 km (0.071 R)
• M25: 21,769,033 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.4

Radius: 6.7

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.75 AU - 8.17 AU

Year: 13366 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,071,430 km

• M1: 83,625 km (0.115 R)
• M2: 292,314 km (0.089 R)
• M3: 500,854 km (0.043 R)
• M4: 711,338 km (0.029 R)
• M5: 982,708 km (0.11 R)
• M6: 1,416,243 km (0.114 R)
• M7: 1,739,524 km (0.12 R)
• M8: 3,275,146 km (0.116 R)
• M9: 3,762,087 km (0.086 R)
• M10: 4,009,073 km (0.096 R)
• M11: 5,041,747 km (0.101 R)
• M12: 6,627,634 km (0.092 R)
• M13: 7,278,984 km (0.096 R)
• M14: 7,750,815 km (0.113 R)
• M15: 8,242,992 km (0.101 R)
• M16: 11,414,617 km (0.058 R)
• M17: 12,408,844 km (0.105 R)
• M18: 12,650,894 km (0.063 R)
• M19: 15,386,590 km (0.091 R)
• M20: 16,671,037 km (0.085 R)
• M21: 20,951,780 km (0.087 R)
• M22: 22,437,736 km (0.079 R)
• M23: 24,557,986 km (0.048 R)
• M24: 26,607,328 km (0.113 R)
• M25: 28,139,210 km (0.12 R)
• M26: 28,347,749 km (0.108 R)
• M27: 28,768,119 km (0.108 R)
• M28: 30,932,053 km (0.116 R)
• M29: 32,281,276 km (0.068 R)
• M30: 33,086,262 km (0.099 R)
• M31: 33,435,274 km (0.119 R)
• M32: 36,439,947 km (0.057 R)
• M33: 41,344,513 km (0.093 R)
• M34: 42,567,326 km (0.04 R)
• M35: 44,800,374 km (0.103 R)
• M36: 50,108,106 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 18,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit