🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 30.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,726,799 km

• M1: 168,447 km (0.118 R)

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 10.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.02 AU - 1.34 AU

Year: 828 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,726,799 km

• M1: 135,685 km (0.044 R)
• M2: 507,436 km (0.106 R)
• M3: 959,371 km (0.033 R)
• M4: 1,353,861 km (0.076 R)
• M5: 1,710,652 km (0.107 R)
• M6: 2,103,645 km (0.095 R)
• M7: 3,171,924 km (0.094 R)
• M8: 4,011,766 km (0.116 R)
• M9: 4,445,301 km (0.102 R)
• M10: 4,860,584 km (0.06 R)
• M11: 5,478,424 km (0.08 R)
• M12: 5,956,688 km (0.097 R)
• M13: 7,427,833 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 13.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.87 AU - 1.95 AU

Year: 1704 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,726,799 km

• M1: 165,455 km (0.088 R)
• M2: 610,659 km (0.111 R)
• M3: 1,049,279 km (0.089 R)
• M4: 1,652,009 km (0.108 R)
• M5: 2,332,081 km (0.116 R)
• M6: 2,868,838 km (0.069 R)
• M7: 3,487,575 km (0.049 R)
• M8: 4,024,183 km (0.094 R)
• M9: 4,976,672 km (0.055 R)
• M10: 5,563,694 km (0.095 R)
• M11: 6,680,891 km (0.109 R)
• M12: 7,190,422 km (0.062 R)
• M13: 7,966,835 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 13.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.31 AU - 2.93 AU

Year: 2738 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,726,799 km

• M1: 164,109 km (0.109 R)
• M2: 716,574 km (0.091 R)
• M3: 1,306,139 km (0.111 R)
• M4: 3,405,296 km (0.112 R)
• M5: 7,346,452 km (0.089 R)
• M6: 8,258,700 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 10.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.79 AU - 4.55 AU

Year: 4540 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,726,799 km

• M1: 134,339 km (0.028 R)
• M2: 653,144 km (0.112 R)
• M3: 1,071,570 km (0.12 R)
• M4: 1,657,544 km (0.098 R)
• M5: 2,303,209 km (0.091 R)
• M6: 2,919,552 km (0.038 R)
• M7: 4,531,918 km (0.102 R)
• M8: 4,947,202 km (0.11 R)
• M9: 5,705,962 km (0.109 R)
• M10: 6,159,842 km (0.078 R)
• M11: 8,336,042 km (0.119 R)
• M12: 10,483,968 km (0.082 R)
• M13: 11,975,908 km (0.035 R)
• M14: 13,657,986 km (0.112 R)
• M15: 15,147,084 km (0.108 R)
• M16: 15,960,447 km (0.093 R)
• M17: 17,172,788 km (0.118 R)
• M18: 18,510,642 km (0.035 R)
• M19: 19,440,243 km (0.11 R)
• M20: 21,106,165 km (0.042 R)
• M21: 22,268,241 km (0.074 R)
• M22: 23,243,470 km (0.119 R)
• M23: 25,359,681 km (0.115 R)
• M24: 29,971,933 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 14.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.06 AU - 6.18 AU

Year: 8602 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,726,799 km

• M1: 233,073 km (0.043 R)
• M2: 795,561 km (0.105 R)
• M3: 1,400,086 km (0.061 R)
• M4: 1,947,615 km (0.073 R)
• M5: 2,927,630 km (0.028 R)
• M6: 3,715,263 km (0.076 R)
• M7: 6,001,418 km (0.047 R)
• M8: 7,444,289 km (0.095 R)
• M9: 10,027,545 km (0.043 R)
• M10: 16,779,795 km (0.099 R)
• M11: 20,948,040 km (0.07 R)
• M12: 25,219,059 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.2

Radius: 7.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.41 AU - 7.73 AU

Year: 10873 Days

Day: 19.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,726,799 km

• M1: 95,144 km (0.105 R)
• M2: 375,640 km (0.092 R)
• M3: 614,099 km (0.104 R)
• M4: 984,653 km (0.118 R)
• M5: 1,247,796 km (0.097 R)
• M6: 1,878,351 km (0.076 R)
• M7: 2,352,127 km (0.099 R)
• M8: 5,845,238 km (0.108 R)
• M9: 6,179,439 km (0.105 R)
• M10: 6,526,207 km (0.109 R)
• M11: 7,328,052 km (0.042 R)
• M12: 7,645,050 km (0.094 R)
• M13: 11,016,238 km (0.061 R)
• M14: 11,339,369 km (0.037 R)
• M15: 14,318,760 km (0.119 R)
• M16: 14,593,123 km (0.094 R)
• M17: 14,982,975 km (0.063 R)
• M18: 20,633,885 km (0.071 R)
• M19: 23,470,859 km (0.111 R)
• M20: 24,083,312 km (0.074 R)
• M21: 24,549,609 km (0.105 R)
• M22: 25,903,619 km (0.088 R)
• M23: 26,640,239 km (0.062 R)
• M24: 28,586,059 km (0.11 R)
• M25: 29,549,319 km (0.065 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit