🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 13

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 9.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,189,027 km

• M1: 161,715 km (0.116 R)
• M2: 568,173 km (0.046 R)
• M3: 974,331 km (0.065 R)
• M4: 1,423,125 km (0.083 R)
• M5: 1,839,904 km (0.071 R)
• M6: 2,317,869 km (0.111 R)
• M7: 2,819,770 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.9

Radius: 11.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.72 AU - 0.94 AU

Year: 522 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,189,027 km

• M1: 144,661 km (0.114 R)
• M2: 510,129 km (0.099 R)
• M3: 926,609 km (0.093 R)
• M4: 1,349,822 km (0.116 R)
• M5: 1,715,588 km (0.091 R)
• M6: 2,166,327 km (0.103 R)
• M7: 3,088,149 km (0.1 R)
• M8: 3,444,341 km (0.062 R)
• M9: 4,836,200 km (0.111 R)
• M10: 6,251,545 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 14.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.47 AU - 3.07 AU

Year: 3182 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,189,027 km

• M1: 184,005 km (0.098 R)
• M2: 693,685 km (0.088 R)
• M3: 1,273,676 km (0.086 R)
• M4: 2,059,065 km (0.094 R)
• M5: 2,789,103 km (0.104 R)
• M6: 3,412,627 km (0.082 R)
• M7: 4,216,416 km (0.099 R)
• M8: 4,869,111 km (0.09 R)
• M9: 6,088,185 km (0.098 R)
• M10: 7,209,570 km (0.094 R)
• M11: 10,551,736 km (0.092 R)
• M12: 11,015,938 km (0.048 R)
• M13: 13,496,271 km (0.119 R)
• M14: 14,348,979 km (0.094 R)
• M15: 17,355,597 km (0.065 R)
• M16: 18,303,898 km (0.107 R)
• M17: 20,433,573 km (0.096 R)
• M18: 23,357,763 km (0.119 R)
• M19: 24,075,982 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 10.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.65 AU - 3.67 AU

Year: 3877 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,189,027 km

• M1: 141,968 km (0.099 R)
• M2: 569,220 km (0.071 R)
• M3: 1,260,960 km (0.093 R)
• M4: 1,652,757 km (0.112 R)
• M5: 2,100,504 km (0.068 R)
• M6: 2,925,237 km (0.098 R)
• M7: 3,893,883 km (0.103 R)
• M8: 4,496,164 km (0.039 R)
• M9: 6,738,636 km (0.065 R)
• M10: 11,064,259 km (0.119 R)
• M11: 11,554,042 km (0.074 R)
• M12: 13,799,506 km (0.11 R)
• M13: 15,148,879 km (0.116 R)
• M14: 17,996,624 km (0.083 R)
• M15: 18,446,913 km (0.045 R)
• M16: 19,194,604 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 11.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.38 AU - 3.84 AU

Year: 4734 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,189,027 km

• M1: 138,079 km (0.074 R)
• M2: 592,856 km (0.06 R)
• M3: 1,005,896 km (0.099 R)
• M4: 2,480,632 km (0.092 R)
• M5: 3,808,762 km (0.054 R)
• M6: 6,063,650 km (0.096 R)
• M7: 6,547,001 km (0.091 R)
• M8: 9,330,868 km (0.09 R)
• M9: 9,726,854 km (0.11 R)
• M10: 10,229,802 km (0.054 R)
• M11: 10,651,219 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.2

Radius: 4

Gravity: 40.58 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.89 AU - 6.77 AU

Year: 9717 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,189,027 km

• M1: 51,462 km (0.049 R)
• M2: 193,280 km (0.052 R)
• M3: 424,409 km (0.096 R)
• M4: 611,107 km (0.118 R)
• M5: 779,405 km (0.103 R)
• M6: 1,186,760 km (0.111 R)
• M7: 1,320,650 km (0.118 R)
• M8: 2,166,776 km (0.103 R)
• M9: 2,311,885 km (0.085 R)
• M10: 2,871,830 km (0.086 R)
• M11: 3,253,006 km (0.067 R)
• M12: 3,443,743 km (0.107 R)
• M13: 3,718,105 km (0.083 R)
• M14: 4,143,113 km (0.119 R)
• M15: 5,057,306 km (0.047 R)
• M16: 5,886,676 km (0.114 R)
• M17: 7,036,186 km (0.076 R)
• M18: 8,460,208 km (0.057 R)
• M19: 9,239,613 km (0.096 R)
• M20: 10,471,103 km (0.104 R)
• M21: 10,729,907 km (0.107 R)
• M22: 10,887,135 km (0.119 R)
• M23: 13,254,371 km (0.114 R)
• M24: 13,679,678 km (0.049 R)
• M25: 15,405,439 km (0.058 R)
• M26: 15,605,751 km (0.105 R)
• M27: 17,487,243 km (0.094 R)
• M28: 17,998,718 km (0.071 R)
• M29: 18,746,558 km (0.054 R)
• M30: 19,670,923 km (0.067 R)
• M31: 21,361,080 km (0.115 R)
• M32: 24,660,910 km (0.109 R)
• M33: 26,814,820 km (0.028 R)
• M34: 28,686,140 km (0.087 R)
• M35: 35,164,027 km (0.113 R)
• M36: 36,804,218 km (0.103 R)
• M37: 44,954,459 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 20,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit