🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.79 AU - 1.05 AU

Year: 327 Days

Day: 22.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.96 AU - 1.08 AU

Year: 382 Days

Day: 35.2 Hours

Environment

Temp: 31 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 21,346,332 km

• M1: 42,486 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.26 AU - 1.62 AU

Year: 641 Days

Day: 12.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,346,332 km

• M1: 863,928 km (0.094 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 9.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.31 AU - 6.07 AU

Year: 5034 Days

Day: 8.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,346,332 km

• M1: 115,938 km (0.102 R)
• M2: 497,413 km (0.103 R)
• M3: 803,789 km (0.104 R)
• M4: 1,118,543 km (0.079 R)
• M5: 2,438,296 km (0.116 R)
• M6: 2,763,073 km (0.119 R)
• M7: 3,081,866 km (0.119 R)
• M8: 4,125,012 km (0.102 R)
• M9: 4,497,959 km (0.091 R)
• M10: 6,248,703 km (0.066 R)
• M11: 9,196,828 km (0.111 R)
• M12: 10,463,174 km (0.118 R)
• M13: 11,034,040 km (0.052 R)
• M14: 13,527,836 km (0.066 R)
• M15: 16,537,895 km (0.063 R)
• M16: 17,089,014 km (0.091 R)
• M17: 18,994,591 km (0.089 R)
• M18: 20,592,745 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 14.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.52 AU - 6.08 AU

Year: 5180 Days

Day: 6.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,346,332 km

• M1: 182,061 km (0.115 R)
• M2: 722,707 km (0.116 R)
• M3: 1,259,315 km (0.057 R)
• M4: 1,996,683 km (0.071 R)
• M5: 4,060,535 km (0.091 R)
• M6: 4,722,356 km (0.057 R)
• M7: 6,421,489 km (0.089 R)
• M8: 6,912,170 km (0.083 R)
• M9: 7,895,925 km (0.058 R)
• M10: 9,091,811 km (0.072 R)
• M11: 9,670,156 km (0.097 R)
• M12: 11,987,876 km (0.063 R)
• M13: 13,094,152 km (0.081 R)
• M14: 13,940,577 km (0.077 R)
• M15: 19,063,257 km (0.096 R)
• M16: 22,450,601 km (0.081 R)
• M17: 24,051,598 km (0.116 R)
• M18: 25,727,543 km (0.065 R)
• M19: 29,311,309 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.1

Radius: 10.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.23 AU - 6.33 AU

Year: 5836 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,346,332 km

• M1: 139,126 km (0.099 R)
• M2: 492,177 km (0.077 R)
• M3: 1,141,432 km (0.117 R)
• M4: 1,947,166 km (0.09 R)
• M5: 5,073,013 km (0.094 R)
• M6: 5,579,552 km (0.033 R)
• M7: 6,539,521 km (0.11 R)
• M8: 9,088,071 km (0.078 R)
• M9: 9,877,050 km (0.096 R)
• M10: 11,864,458 km (0.049 R)
• M11: 13,445,557 km (0.104 R)
• M12: 14,208,656 km (0.113 R)
• M13: 15,216,647 km (0.033 R)
• M14: 17,197,173 km (0.072 R)
• M15: 18,402,932 km (0.118 R)
• M16: 20,053,744 km (0.075 R)
• M17: 23,357,015 km (0.091 R)
• M18: 25,827,773 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.9

Radius: 8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.35 AU - 7.93 AU

Year: 7831 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,346,332 km

• M1: 99,782 km (0.045 R)
• M2: 463,155 km (0.053 R)
• M3: 811,419 km (0.118 R)
• M4: 1,527,394 km (0.073 R)
• M5: 2,294,083 km (0.117 R)
• M6: 2,738,987 km (0.095 R)
• M7: 3,700,154 km (0.055 R)
• M8: 4,632,448 km (0.094 R)
• M9: 6,650,224 km (0.106 R)
• M10: 7,171,124 km (0.107 R)
• M11: 8,789,623 km (0.062 R)
• M12: 9,192,340 km (0.117 R)
• M13: 11,222,533 km (0.104 R)
• M14: 11,784,273 km (0.045 R)
• M15: 13,874,604 km (0.118 R)
• M16: 18,416,395 km (0.073 R)
• M17: 21,477,168 km (0.076 R)
• M18: 21,940,473 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 8.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.47 AU - 9.85 AU

Year: 11134 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,346,332 km

• M1: 102,026 km (0.084 R)
• M2: 988,393 km (0.098 R)
• M3: 2,494,694 km (0.07 R)
• M4: 7,576,983 km (0.075 R)
• M5: 8,571,060 km (0.039 R)
• M6: 16,163,601 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 10,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit