🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.46 AU - 0.76 AU

Year: 303 Days

Day: 12.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,914,698 km

• M1: 663,915 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 13.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.56 AU - 0.8 AU

Year: 357 Days

Day: 5 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,914,698 km

• M1: 172,935 km (0.106 R)
• M2: 651,349 km (0.057 R)
• M3: 1,129,165 km (0.096 R)
• M4: 1,919,789 km (0.042 R)
• M5: 2,616,317 km (0.093 R)
• M6: 3,068,252 km (0.114 R)
• M7: 3,584,814 km (0.092 R)
• M8: 5,302,197 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 14.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.28 AU

Year: 744 Days

Day: 6.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,914,698 km

• M1: 198,666 km (0.061 R)
• M2: 1,189,153 km (0.086 R)
• M3: 2,260,424 km (0.101 R)
• M4: 3,559,981 km (0.087 R)
• M5: 4,399,225 km (0.07 R)
• M6: 5,843,143 km (0.084 R)
• M7: 6,305,849 km (0.091 R)
• M8: 7,328,650 km (0.066 R)
• M9: 7,820,229 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 13.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.54 AU - 1.88 AU

Year: 1422 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,914,698 km

• M1: 173,833 km (0.105 R)
• M2: 668,852 km (0.062 R)
• M3: 1,100,292 km (0.073 R)
• M4: 1,709,604 km (0.042 R)
• M5: 2,172,460 km (0.076 R)
• M6: 2,733,153 km (0.059 R)
• M7: 3,194,064 km (0.086 R)
• M8: 3,941,156 km (0.112 R)
• M9: 5,875,456 km (0.1 R)
• M10: 6,949,719 km (0.114 R)
• M11: 7,736,155 km (0.082 R)
• M12: 10,190,757 km (0.118 R)
• M13: 11,739,394 km (0.061 R)
• M14: 13,087,271 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.6

Radius: 6.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.57 AU - 8.19 AU

Year: 11474 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,914,698 km

• M1: 84,523 km (0.032 R)
• M2: 340,784 km (0.036 R)
• M3: 622,028 km (0.095 R)
• M4: 875,297 km (0.071 R)
• M5: 1,799,214 km (0.108 R)
• M6: 2,970,415 km (0.098 R)
• M7: 3,728,727 km (0.093 R)
• M8: 4,274,610 km (0.088 R)
• M9: 4,754,370 km (0.102 R)
• M10: 5,332,416 km (0.117 R)
• M11: 5,888,322 km (0.116 R)
• M12: 6,410,418 km (0.049 R)
• M13: 6,962,883 km (0.085 R)
• M14: 8,036,547 km (0.036 R)
• M15: 8,678,771 km (0.114 R)
• M16: 10,260,320 km (0.043 R)
• M17: 10,759,827 km (0.111 R)
• M18: 11,646,045 km (0.082 R)
• M19: 14,164,674 km (0.092 R)
• M20: 16,750,174 km (0.088 R)
• M21: 17,795,864 km (0.104 R)
• M22: 20,638,672 km (0.12 R)
• M23: 22,085,283 km (0.093 R)
• M24: 23,856,821 km (0.108 R)
• M25: 24,292,301 km (0.101 R)
• M26: 26,828,882 km (0.108 R)
• M27: 27,205,121 km (0.109 R)
• M28: 27,584,950 km (0.034 R)
• M29: 28,257,991 km (0.029 R)
• M30: 29,437,121 km (0.035 R)
• M31: 30,444,513 km (0.09 R)
• M32: 31,683,632 km (0.116 R)
• M33: 31,998,536 km (0.056 R)
• M34: 33,063,373 km (0.098 R)
• M35: 34,261,952 km (0.096 R)
• M36: 36,285,113 km (0.104 R)
• M37: 38,744,502 km (0.089 R)
• M38: 40,939,103 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.3

Radius: 7.8

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.45 AU - 8.69 AU

Year: 11953 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,914,698 km

• M1: 97,089 km (0.116 R)
• M2: 706,401 km (0.081 R)
• M3: 1,027,139 km (0.112 R)
• M4: 1,591,721 km (0.069 R)
• M5: 2,408,825 km (0.084 R)
• M6: 2,750,806 km (0.059 R)
• M7: 3,559,233 km (0.112 R)
• M8: 4,180,512 km (0.093 R)
• M9: 10,705,523 km (0.053 R)
• M10: 11,872,386 km (0.109 R)
• M11: 24,515,800 km (0.12 R)
• M12: 25,010,071 km (0.113 R)
• M13: 26,018,660 km (0.086 R)
• M14: 28,767,371 km (0.053 R)
• M15: 29,317,293 km (0.041 R)
• M16: 33,971,881 km (0.062 R)
• M17: 37,377,926 km (0.104 R)
• M18: 37,901,219 km (0.052 R)
• M19: 41,282,729 km (0.03 R)
• M20: 42,547,729 km (0.115 R)
• M21: 57,340,864 km (0.071 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: 376 - 17,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit