🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.62 AU - 0.92 AU

Year: 259 Days

Day: 38.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,712,113 km

• M1: 55,351 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.8 AU - 1.1 AU

Year: 355 Days

Day: 29 Hours

Environment

Temp: 19 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.84 AU - 1.34 AU

Year: 436 Days

Day: 45.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.97 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 10.7

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.98 AU - 5.7 AU

Year: 4077 Days

Day: 9.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,712,113 km

• M1: 146,606 km (0.055 R)
• M2: 1,147,565 km (0.109 R)
• M3: 1,652,608 km (0.059 R)
• M4: 2,755,294 km (0.045 R)
• M5: 3,485,630 km (0.039 R)
• M6: 4,435,278 km (0.096 R)
• M7: 6,308,093 km (0.103 R)
• M8: 6,712,756 km (0.077 R)
• M9: 7,335,382 km (0.057 R)
• M10: 8,176,272 km (0.115 R)
• M11: 8,620,278 km (0.092 R)
• M12: 9,002,650 km (0.041 R)
• M13: 9,476,277 km (0.071 R)
• M14: 12,051,455 km (0.038 R)
• M15: 17,005,837 km (0.099 R)
• M16: 20,905,255 km (0.05 R)
• M17: 23,466,520 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.27 AU - 6.77 AU

Year: 6374 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,712,113 km

• M1: 180,415 km (0.103 R)
• M2: 683,213 km (0.082 R)
• M3: 1,479,074 km (0.105 R)
• M4: 2,163,784 km (0.101 R)
• M5: 3,607,702 km (0.119 R)
• M6: 5,248,043 km (0.081 R)
• M7: 7,028,258 km (0.084 R)
• M8: 9,182,916 km (0.09 R)
• M9: 10,034,277 km (0.11 R)
• M10: 11,505,572 km (0.037 R)
• M11: 15,103,251 km (0.078 R)
• M12: 17,602,583 km (0.118 R)
• M13: 19,392,073 km (0.099 R)
• M14: 24,673,476 km (0.11 R)
• M15: 25,734,723 km (0.089 R)
• M16: 26,911,311 km (0.096 R)
• M17: 28,299,728 km (0.069 R)
• M18: 31,979,088 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 12.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.78 AU - 9.26 AU

Year: 7896 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,712,113 km

• M1: 150,795 km (0.119 R)
• M2: 536,308 km (0.059 R)
• M3: 1,005,447 km (0.075 R)
• M4: 2,540,172 km (0.085 R)
• M5: 4,531,619 km (0.071 R)
• M6: 5,403,625 km (0.071 R)
• M7: 6,078,311 km (0.091 R)
• M8: 8,868,611 km (0.107 R)
• M9: 10,278,571 km (0.086 R)
• M10: 11,012,198 km (0.118 R)
• M11: 11,780,533 km (0.09 R)
• M12: 16,626,906 km (0.104 R)
• M13: 18,405,475 km (0.049 R)
• M14: 20,156,668 km (0.094 R)
• M15: 20,764,484 km (0.039 R)
• M16: 21,384,417 km (0.113 R)
• M17: 22,988,406 km (0.082 R)
• M18: 24,328,055 km (0.046 R)
• M19: 24,930,336 km (0.087 R)
• M20: 28,092,087 km (0.071 R)
• M21: 28,850,697 km (0.108 R)
• M22: 29,428,444 km (0.107 R)
• M23: 30,014,120 km (0.07 R)
• M24: 30,707,057 km (0.114 R)
• M25: 32,022,172 km (0.114 R)
• M26: 35,970,658 km (0.061 R)
• M27: 37,889,251 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 10.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.46 AU - 9.3 AU

Year: 8470 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,712,113 km

• M1: 139,575 km (0.07 R)
• M2: 508,633 km (0.103 R)
• M3: 950,246 km (0.053 R)
• M4: 1,556,117 km (0.077 R)
• M5: 2,222,875 km (0.09 R)
• M6: 2,560,068 km (0.085 R)
• M7: 3,010,358 km (0.068 R)
• M8: 3,403,800 km (0.097 R)
• M9: 4,022,238 km (0.108 R)
• M10: 4,449,041 km (0.098 R)
• M11: 6,040,912 km (0.051 R)
• M12: 6,500,626 km (0.077 R)
• M13: 7,197,752 km (0.092 R)
• M14: 8,021,438 km (0.081 R)
• M15: 8,823,582 km (0.079 R)
• M16: 13,325,430 km (0.093 R)
• M17: 16,504,086 km (0.039 R)
• M18: 16,950,187 km (0.111 R)
• M19: 22,635,205 km (0.097 R)
• M20: 23,027,750 km (0.097 R)
• M21: 27,030,989 km (0.068 R)
• M22: 28,827,809 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358

Radius: 7.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 11.34 AU - 14.52 AU

Year: 17802 Days

Day: 17.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,712,113 km

• M1: 97,987 km (0.03 R)
• M2: 448,494 km (0.117 R)
• M3: 821,143 km (0.092 R)
• M4: 1,815,221 km (0.076 R)
• M5: 2,167,673 km (0.083 R)
• M6: 2,461,334 km (0.092 R)
• M7: 3,226,976 km (0.048 R)
• M8: 4,380,824 km (0.072 R)
• M9: 4,951,540 km (0.073 R)
• M10: 10,145,428 km (0.107 R)
• M11: 11,199,495 km (0.04 R)
• M12: 12,386,105 km (0.087 R)
• M13: 14,660,891 km (0.076 R)
• M14: 15,932,772 km (0.116 R)
• M15: 16,896,182 km (0.098 R)
• M16: 17,741,111 km (0.096 R)
• M17: 18,694,797 km (0.109 R)
• M18: 20,617,279 km (0.096 R)
• M19: 21,581,886 km (0.114 R)
• M20: 23,790,250 km (0.101 R)
• M21: 38,154,488 km (0.054 R)
• M22: 38,546,883 km (0.11 R)
• M23: 39,206,760 km (0.069 R)
• M24: 40,143,242 km (0.104 R)
• M25: 42,339,638 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 15,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit