🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.5 AU - 0.78 AU

Year: 331 Days

Day: 36.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 8.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.68 AU - 0.88 AU

Year: 445 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,976,913 km

• M1: 100,679 km (0.107 R)
• M2: 458,667 km (0.078 R)
• M3: 821,442 km (0.056 R)
• M4: 1,472,791 km (0.06 R)
• M5: 1,902,586 km (0.066 R)
• M6: 2,510,551 km (0.096 R)
• M7: 2,855,225 km (0.112 R)
• M8: 3,295,342 km (0.066 R)
• M9: 3,768,221 km (0.073 R)
• M10: 4,324,276 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 12.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.7 AU - 1.06 AU

Year: 533 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,976,913 km

• M1: 157,826 km (0.048 R)
• M2: 587,770 km (0.053 R)
• M3: 1,002,007 km (0.112 R)
• M4: 1,435,990 km (0.066 R)
• M5: 1,894,208 km (0.047 R)
• M6: 2,538,526 km (0.029 R)
• M7: 3,776,299 km (0.106 R)
• M8: 4,398,028 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 11.1

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.11 AU - 1.21 AU

Year: 807 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 22,976,913 km

• M1: 150,047 km (0.079 R)
• M2: 854,353 km (0.063 R)
• M3: 1,246,749 km (0.101 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 12.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.13 AU - 3.85 AU

Year: 4210 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,976,913 km

• M1: 158,424 km (0.067 R)
• M2: 797,955 km (0.097 R)
• M3: 1,775,278 km (0.089 R)
• M4: 2,853,579 km (0.095 R)
• M5: 4,046,323 km (0.095 R)
• M6: 4,603,874 km (0.11 R)
• M7: 9,583,389 km (0.085 R)
• M8: 11,045,260 km (0.052 R)
• M9: 11,944,792 km (0.117 R)
• M10: 12,571,158 km (0.118 R)
• M11: 14,937,946 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 11.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.74 AU - 5.72 AU

Year: 7723 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,976,913 km

• M1: 143,315 km (0.112 R)
• M2: 614,997 km (0.065 R)
• M3: 1,479,822 km (0.046 R)
• M4: 2,041,113 km (0.116 R)
• M5: 3,139,760 km (0.118 R)
• M6: 4,536,555 km (0.076 R)
• M7: 5,498,171 km (0.097 R)
• M8: 7,368,144 km (0.074 R)
• M9: 8,977,518 km (0.089 R)
• M10: 10,277,523 km (0.057 R)
• M11: 11,360,014 km (0.064 R)
• M12: 11,737,299 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.5

Radius: 5

Gravity: 39.7 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.51 AU - 6.53 AU

Year: 9537 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,976,913 km

• M1: 62,233 km (0.096 R)
• M2: 246,537 km (0.093 R)
• M3: 760,855 km (0.075 R)
• M4: 942,766 km (0.095 R)
• M5: 2,035,578 km (0.08 R)
• M6: 2,293,485 km (0.083 R)
• M7: 3,321,671 km (0.037 R)
• M8: 3,679,808 km (0.091 R)
• M9: 4,006,829 km (0.1 R)
• M10: 4,442,608 km (0.101 R)
• M11: 5,339,746 km (0.087 R)
• M12: 5,616,802 km (0.078 R)
• M13: 6,162,235 km (0.111 R)
• M14: 12,212,273 km (0.075 R)
• M15: 13,375,396 km (0.088 R)
• M16: 13,629,413 km (0.111 R)
• M17: 14,677,645 km (0.05 R)
• M18: 14,880,051 km (0.065 R)
• M19: 26,138,638 km (0.101 R)
• M20: 26,535,670 km (0.091 R)
• M21: 29,966,697 km (0.038 R)
• M22: 35,832,280 km (0.081 R)
• M23: 36,445,482 km (0.067 R)
• M24: 38,710,992 km (0.089 R)
• M25: 42,146,507 km (0.069 R)
• M26: 48,712,657 km (0.113 R)
• M27: 50,377,831 km (0.117 R)
• M28: 51,768,343 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.5

Radius: 5.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.3 AU - 9.54 AU

Year: 17201 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,976,913 km

• M1: 64,028 km (0.091 R)
• M2: 616,493 km (0.045 R)
• M3: 872,006 km (0.04 R)
• M4: 5,930,359 km (0.1 R)
• M5: 17,674,240 km (0.104 R)
• M6: 22,499,071 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 16,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit