🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.96 AU - 2.44 AU

Year: 1180 Days

Day: 28.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 9.1

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.67 AU - 5.89 AU

Year: 4388 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,959,602 km

• M1: 113,246 km (0.119 R)
• M2: 422,614 km (0.078 R)
• M3: 932,892 km (0.076 R)
• M4: 1,240,914 km (0.1 R)
• M5: 1,820,905 km (0.075 R)
• M6: 2,538,526 km (0.078 R)
• M7: 3,774,205 km (0.113 R)
• M8: 4,256,059 km (0.068 R)
• M9: 4,701,412 km (0.096 R)
• M10: 5,096,051 km (0.067 R)
• M11: 6,351,028 km (0.09 R)
• M12: 7,657,466 km (0.096 R)
• M13: 8,279,793 km (0.076 R)
• M14: 9,134,745 km (0.103 R)
• M15: 9,666,865 km (0.051 R)
• M16: 10,393,761 km (0.069 R)
• M17: 11,248,862 km (0.041 R)
• M18: 12,004,631 km (0.057 R)
• M19: 12,394,932 km (0.107 R)
• M20: 13,201,264 km (0.099 R)
• M21: 13,988,448 km (0.108 R)
• M22: 14,366,332 km (0.078 R)
• M23: 15,656,165 km (0.076 R)
• M24: 16,240,494 km (0.109 R)
• M25: 18,723,819 km (0.12 R)
• M26: 19,515,790 km (0.038 R)
• M27: 21,664,614 km (0.062 R)
• M28: 26,263,103 km (0.029 R)
• M29: 28,271,754 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 11.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.72 AU - 7.88 AU

Year: 7133 Days

Day: 6.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,959,602 km

• M1: 139,276 km (0.071 R)
• M2: 533,167 km (0.047 R)
• M3: 1,358,049 km (0.113 R)
• M4: 1,934,600 km (0.112 R)
• M5: 2,515,488 km (0.087 R)
• M6: 3,053,592 km (0.092 R)
• M7: 3,733,215 km (0.084 R)
• M8: 4,240,501 km (0.115 R)
• M9: 5,422,175 km (0.093 R)
• M10: 6,261,120 km (0.102 R)
• M11: 8,386,756 km (0.104 R)
• M12: 9,137,288 km (0.069 R)
• M13: 10,501,920 km (0.072 R)
• M14: 11,707,230 km (0.118 R)
• M15: 14,501,718 km (0.116 R)
• M16: 17,024,088 km (0.083 R)
• M17: 17,586,875 km (0.058 R)
• M18: 18,097,453 km (0.065 R)
• M19: 18,815,672 km (0.114 R)
• M20: 20,239,545 km (0.069 R)
• M21: 27,247,307 km (0.058 R)
• M22: 27,931,418 km (0.064 R)
• M23: 30,599,197 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 11.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.19 AU - 9.19 AU

Year: 7712 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,959,602 km

• M1: 140,472 km (0.105 R)
• M2: 1,173,296 km (0.097 R)
• M3: 1,998,927 km (0.087 R)
• M4: 2,381,897 km (0.102 R)
• M5: 4,238,108 km (0.095 R)
• M6: 6,032,684 km (0.113 R)
• M7: 7,833,992 km (0.103 R)
• M8: 10,456,891 km (0.088 R)
• M9: 11,528,012 km (0.091 R)
• M10: 12,619,777 km (0.088 R)
• M11: 14,950,662 km (0.093 R)
• M12: 16,187,537 km (0.077 R)
• M13: 17,747,543 km (0.119 R)
• M14: 18,464,716 km (0.071 R)
• M15: 21,164,209 km (0.088 R)
• M16: 22,269,289 km (0.095 R)
• M17: 27,678,598 km (0.114 R)
• M18: 28,820,927 km (0.067 R)
• M19: 29,539,446 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.9

Radius: 3.2

Gravity: 38.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.61 AU - 14.67 AU

Year: 20258 Days

Day: 18 Hours

Environment

Temp: -189 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,959,602 km

• M1: 48,769 km (0.086 R)
• M2: 152,889 km (0.106 R)
• M3: 450,589 km (0.111 R)
• M4: 589,715 km (0.084 R)
• M5: 701,165 km (0.043 R)
• M6: 1,049,130 km (0.055 R)
• M7: 2,210,757 km (0.042 R)
• M8: 2,526,558 km (0.042 R)
• M9: 2,968,471 km (0.065 R)
• M10: 3,432,822 km (0.08 R)
• M11: 13,216,074 km (0.032 R)
• M12: 28,281,777 km (0.063 R)
• M13: 35,621,647 km (0.112 R)
• M14: 39,517,175 km (0.088 R)
• M15: 41,208,828 km (0.083 R)
• M16: 52,047,792 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.2

Radius: 4.4

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.67 AU - 16.95 AU

Year: 21665 Days

Day: 24 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,959,602 km

• M1: 60,288 km (0.085 R)
• M2: 465,848 km (0.085 R)
• M3: 1,029,383 km (0.097 R)
• M4: 2,711,013 km (0.104 R)
• M5: 3,370,440 km (0.085 R)
• M6: 4,664,462 km (0.103 R)
• M7: 6,138,898 km (0.082 R)
• M8: 6,706,473 km (0.059 R)
• M9: 6,874,920 km (0.099 R)
• M10: 10,523,013 km (0.116 R)
• M11: 16,858,034 km (0.055 R)
• M12: 17,724,356 km (0.063 R)
• M13: 21,124,715 km (0.101 R)
• M14: 37,457,960 km (0.072 R)
• M15: 40,022,666 km (0.053 R)
• M16: 43,718,482 km (0.101 R)
• M17: 46,102,324 km (0.115 R)
• M18: 55,126,815 km (0.105 R)
• M19: 55,985,507 km (0.109 R)
• M20: 56,504,911 km (0.111 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 16,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit