🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.57 AU - 0.71 AU

Year: 326 Days

Day: 47.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,974,429 km

• M1: 208,988 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 11.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.8 AU - 0.9 AU

Year: 498 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,974,429 km

• M1: 144,212 km (0.07 R)
• M2: 565,181 km (0.086 R)
• M3: 955,182 km (0.048 R)
• M4: 1,561,054 km (0.056 R)
• M5: 2,203,726 km (0.101 R)
• M6: 2,696,801 km (0.055 R)
• M7: 3,108,494 km (0.07 R)
• M8: 4,217,014 km (0.056 R)
• M9: 5,146,316 km (0.091 R)
• M10: 5,519,713 km (0.082 R)
• M11: 6,770,052 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 13.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.54 AU - 2.06 AU

Year: 1535 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,974,429 km

• M1: 167,400 km (0.066 R)
• M2: 682,765 km (0.09 R)
• M3: 1,147,715 km (0.105 R)
• M4: 1,587,981 km (0.114 R)
• M5: 2,318,767 km (0.115 R)
• M6: 2,892,924 km (0.095 R)
• M7: 3,322,569 km (0.102 R)
• M8: 5,128,813 km (0.079 R)
• M9: 6,404,734 km (0.103 R)
• M10: 7,142,102 km (0.066 R)
• M11: 7,725,234 km (0.118 R)
• M12: 8,450,185 km (0.118 R)
• M13: 10,900,000 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 12.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.46 AU - 2.3 AU

Year: 1639 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,974,429 km

• M1: 150,495 km (0.099 R)
• M2: 542,591 km (0.079 R)
• M3: 945,608 km (0.041 R)
• M4: 1,614,610 km (0.056 R)
• M5: 2,242,622 km (0.063 R)
• M6: 3,527,219 km (0.063 R)
• M7: 4,135,035 km (0.074 R)
• M8: 6,142,937 km (0.088 R)
• M9: 6,920,248 km (0.088 R)
• M10: 9,584,586 km (0.089 R)
• M11: 10,251,044 km (0.117 R)
• M12: 14,015,226 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 13.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.78 AU - 2.16 AU

Year: 1758 Days

Day: 7.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,974,429 km

• M1: 171,738 km (0.07 R)
• M2: 633,248 km (0.087 R)
• M3: 1,258,417 km (0.055 R)
• M4: 1,778,270 km (0.068 R)
• M5: 2,261,770 km (0.102 R)
• M6: 2,819,920 km (0.113 R)
• M7: 3,916,472 km (0.085 R)
• M8: 4,383,367 km (0.086 R)
• M9: 5,301,449 km (0.061 R)
• M10: 5,739,023 km (0.085 R)
• M11: 6,813,136 km (0.093 R)
• M12: 8,045,523 km (0.044 R)
• M13: 8,478,011 km (0.099 R)
• M14: 8,926,206 km (0.084 R)
• M15: 9,772,780 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 14

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.87 AU - 2.57 AU

Year: 2103 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,974,429 km

• M1: 174,132 km (0.1 R)
• M2: 624,870 km (0.111 R)
• M3: 1,218,774 km (0.074 R)
• M4: 1,845,888 km (0.066 R)
• M5: 2,367,685 km (0.056 R)
• M6: 2,826,652 km (0.077 R)
• M7: 3,315,837 km (0.057 R)
• M8: 3,796,495 km (0.029 R)
• M9: 4,504,093 km (0.041 R)
• M10: 5,484,707 km (0.107 R)
• M11: 6,003,961 km (0.087 R)
• M12: 6,795,782 km (0.113 R)
• M13: 7,318,926 km (0.026 R)
• M14: 7,815,442 km (0.109 R)
• M15: 8,531,417 km (0.078 R)
• M16: 9,260,707 km (0.066 R)
• M17: 10,383,588 km (0.095 R)
• M18: 11,011,899 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489

Radius: 9.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.17 AU - 3.27 AU

Year: 3674 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,974,429 km

• M1: 120,576 km (0.119 R)
• M2: 513,719 km (0.051 R)
• M3: 870,809 km (0.12 R)
• M4: 1,218,624 km (0.09 R)
• M5: 1,716,785 km (0.101 R)
• M6: 2,138,801 km (0.082 R)
• M7: 2,537,479 km (0.096 R)
• M8: 3,246,872 km (0.048 R)
• M9: 3,856,633 km (0.086 R)
• M10: 4,189,189 km (0.114 R)
• M11: 4,840,987 km (0.041 R)
• M12: 6,012,039 km (0.116 R)
• M13: 7,425,440 km (0.105 R)
• M14: 8,904,664 km (0.118 R)
• M15: 11,267,861 km (0.091 R)
• M16: 12,436,520 km (0.077 R)
• M17: 17,983,908 km (0.116 R)
• M18: 18,504,808 km (0.096 R)
• M19: 19,820,222 km (0.11 R)
• M20: 20,815,497 km (0.095 R)
• M21: 21,261,149 km (0.083 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 19,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit