🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.57 AU - 0.75 AU

Year: 237 Days

Day: 20.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,216,020 km

• M1: 60,737 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.81 AU - 0.85 AU

Year: 335 Days

Day: 46.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.33 AU - 1.49 AU

Year: 742 Days

Day: 18.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.25 AU - 1.99 AU

Year: 913 Days

Day: 22 Hours

Environment

Temp: -117 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388

Radius: 9.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.35 AU - 2.85 AU

Year: 1857 Days

Day: 5.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,216,020 km

• M1: 116,986 km (0.097 R)
• M2: 505,342 km (0.049 R)
• M3: 998,566 km (0.054 R)
• M4: 1,353,861 km (0.116 R)
• M5: 1,915,451 km (0.097 R)
• M6: 2,411,817 km (0.118 R)
• M7: 3,330,647 km (0.106 R)
• M8: 4,192,480 km (0.094 R)
• M9: 4,618,236 km (0.105 R)
• M10: 4,951,241 km (0.086 R)
• M11: 5,363,682 km (0.052 R)
• M12: 5,687,861 km (0.113 R)
• M13: 6,641,697 km (0.096 R)
• M14: 6,965,426 km (0.092 R)
• M15: 7,378,317 km (0.099 R)
• M16: 7,889,642 km (0.118 R)
• M17: 9,165,114 km (0.043 R)
• M18: 10,045,198 km (0.069 R)
• M19: 10,472,449 km (0.092 R)
• M20: 10,911,818 km (0.111 R)
• M21: 11,647,690 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 10.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.69 AU - 4.05 AU

Year: 2740 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,216,020 km

• M1: 133,292 km (0.109 R)
• M2: 582,385 km (0.071 R)
• M3: 919,877 km (0.07 R)
• M4: 1,466,658 km (0.038 R)
• M5: 1,925,923 km (0.097 R)
• M6: 2,387,432 km (0.11 R)
• M7: 3,517,644 km (0.113 R)
• M8: 4,844,428 km (0.041 R)
• M9: 5,752,487 km (0.054 R)
• M10: 6,196,643 km (0.029 R)
• M11: 6,797,278 km (0.077 R)
• M12: 7,350,940 km (0.067 R)
• M13: 9,460,719 km (0.062 R)
• M14: 11,212,211 km (0.039 R)
• M15: 11,750,165 km (0.093 R)
• M16: 12,507,579 km (0.085 R)
• M17: 12,877,534 km (0.059 R)
• M18: 13,212,484 km (0.11 R)
• M19: 13,769,287 km (0.111 R)
• M20: 15,534,093 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 12.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.85 AU - 8.87 AU

Year: 9760 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,216,020 km

• M1: 154,385 km (0.092 R)
• M2: 550,071 km (0.12 R)
• M3: 2,623,797 km (0.045 R)
• M4: 4,710,687 km (0.106 R)
• M5: 7,941,702 km (0.095 R)
• M6: 11,973,814 km (0.091 R)
• M7: 13,752,532 km (0.087 R)
• M8: 15,895,971 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 13

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.18 AU - 10.84 AU

Year: 11979 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,216,020 km

• M1: 161,715 km (0.098 R)
• M2: 828,623 km (0.099 R)
• M3: 1,280,109 km (0.029 R)
• M4: 1,819,858 km (0.119 R)
• M5: 2,262,219 km (0.033 R)
• M6: 2,950,818 km (0.087 R)
• M7: 5,000,608 km (0.098 R)
• M8: 7,737,202 km (0.104 R)
• M9: 8,495,663 km (0.099 R)
• M10: 9,060,545 km (0.07 R)
• M11: 9,550,328 km (0.075 R)
• M12: 10,057,764 km (0.036 R)
• M13: 10,907,031 km (0.089 R)
• M14: 16,819,737 km (0.106 R)
• M15: 19,348,989 km (0.108 R)
• M16: 19,753,202 km (0.113 R)
• M17: 20,662,308 km (0.1 R)
• M18: 31,124,884 km (0.107 R)
• M19: 36,734,804 km (0.071 R)
• M20: 38,109,310 km (0.104 R)
• M21: 39,001,661 km (0.086 R)
• M22: 41,896,978 km (0.109 R)
• M23: 44,932,917 km (0.118 R)
• M24: 45,642,759 km (0.105 R)
• M25: 46,360,081 km (0.045 R)
• M26: 47,964,817 km (0.071 R)
• M27: 48,408,674 km (0.082 R)
• M28: 48,855,523 km (0.1 R)
• M29: 49,455,410 km (0.118 R)
• M30: 50,976,671 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit