🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.52 AU - 0.82 AU

Year: 230 Days

Day: 12 Hours

Environment

Temp: 6 °C

Axial Tilt: 43.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.57 AU - 1.99 AU

Year: 995 Days

Day: 12.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.84 AU - 2.2 AU

Year: 1203 Days

Day: 26.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,732,521 km

• M1: 38,147 km (0.077 R)
• M2: 626,815 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.62 AU - 3.1 AU

Year: 2026 Days

Day: 21.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 9.6

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.58 AU - 3.78 AU

Year: 2376 Days

Day: 11.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,732,521 km

• M1: 119,828 km (0.065 R)
• M2: 617,241 km (0.057 R)
• M3: 2,343,301 km (0.035 R)
• M4: 2,650,725 km (0.111 R)
• M5: 3,032,798 km (0.106 R)
• M6: 3,399,462 km (0.088 R)
• M7: 4,659,226 km (0.109 R)
• M8: 5,624,132 km (0.07 R)
• M9: 5,923,028 km (0.12 R)
• M10: 6,498,681 km (0.099 R)
• M11: 7,431,424 km (0.116 R)
• M12: 8,877,437 km (0.107 R)
• M13: 9,491,387 km (0.045 R)
• M14: 10,390,919 km (0.07 R)
• M15: 10,842,255 km (0.108 R)
• M16: 11,946,587 km (0.029 R)
• M17: 12,442,205 km (0.059 R)
• M18: 17,486,794 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 11.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.95 AU - 3.55 AU

Year: 2455 Days

Day: 11.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,732,521 km

• M1: 139,276 km (0.09 R)
• M2: 499,507 km (0.05 R)
• M3: 949,946 km (0.08 R)
• M4: 1,377,198 km (0.099 R)
• M5: 1,821,504 km (0.061 R)
• M6: 2,705,777 km (0.101 R)
• M7: 3,245,227 km (0.107 R)
• M8: 3,620,268 km (0.052 R)
• M9: 5,191,495 km (0.076 R)
• M10: 5,634,903 km (0.025 R)
• M11: 6,787,255 km (0.098 R)
• M12: 7,550,354 km (0.09 R)
• M13: 8,623,569 km (0.105 R)
• M14: 9,587,578 km (0.118 R)
• M15: 11,071,140 km (0.082 R)
• M16: 12,007,623 km (0.099 R)
• M17: 15,417,856 km (0.041 R)
• M18: 16,287,917 km (0.068 R)
• M19: 17,088,565 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.1

Radius: 6.1

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.6 AU - 15.32 AU

Year: 19547 Days

Day: 23.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,732,521 km

• M1: 75,846 km (0.1 R)
• M2: 393,742 km (0.045 R)
• M3: 1,002,455 km (0.096 R)
• M4: 3,149,035 km (0.067 R)
• M5: 6,696,599 km (0.052 R)
• M6: 12,608,408 km (0.079 R)
• M7: 13,024,589 km (0.103 R)
• M8: 13,378,388 km (0.06 R)
• M9: 24,233,209 km (0.053 R)
• M10: 24,660,760 km (0.119 R)
• M11: 34,036,508 km (0.062 R)
• M12: 35,387,676 km (0.1 R)
• M13: 36,215,251 km (0.113 R)
• M14: 42,682,666 km (0.11 R)
• M15: 51,444,165 km (0.063 R)
• M16: 51,973,143 km (0.073 R)
• M17: 56,898,054 km (0.1 R)
• M18: 59,764,200 km (0.038 R)
• M19: 70,227,075 km (0.084 R)
• M20: 71,095,790 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.7

Radius: 4.4

Gravity: 26.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 14.15 AU - 14.47 AU

Year: 22680 Days

Day: 16.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,732,521 km

• M1: 64,626 km (0.099 R)
• M2: 583,282 km (0.073 R)
• M3: 2,111,574 km (0.077 R)
• M4: 2,618,262 km (0.103 R)
• M5: 2,912,820 km (0.032 R)
• M6: 3,121,210 km (0.051 R)
• M7: 3,806,817 km (0.112 R)
• M8: 4,484,495 km (0.081 R)
• M9: 4,906,212 km (0.091 R)
• M10: 7,660,458 km (0.112 R)
• M11: 7,807,962 km (0.096 R)
• M12: 8,108,803 km (0.099 R)
• M13: 8,469,334 km (0.077 R)
• M14: 21,329,664 km (0.093 R)
• M15: 21,916,986 km (0.115 R)
• M16: 23,847,995 km (0.099 R)
• M17: 25,124,214 km (0.071 R)
• M18: 25,559,544 km (0.116 R)
• M19: 32,321,667 km (0.032 R)
• M20: 46,403,464 km (0.03 R)
• M21: 48,555,130 km (0.073 R)
• M22: 53,952,322 km (0.034 R)
• M23: 60,316,365 km (0.102 R)
• M24: 64,081,594 km (0.09 R)
• M25: 66,538,590 km (0.072 R)
• M26: 69,697,349 km (0.062 R)
• M27: 70,988,378 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 17,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit