🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.53 AU - 0.55 AU

Year: 151 Days

Day: 19.6 Hours

Environment

Temp: 154 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.82 AU - 1.16 AU

Year: 375 Days

Day: 43.8 Hours

Environment

Temp: 24 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.51 AU - 2.49 AU

Year: 1077 Days

Day: 35.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.51 AU - 3.43 AU

Year: 1949 Days

Day: 22.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,138,888 km

• M1: 28,723 km (0.072 R)

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 10.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.91 AU - 5.73 AU

Year: 4030 Days

Day: 12.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,138,888 km

• M1: 163,660 km (0.114 R)
• M2: 791,223 km (0.082 R)
• M3: 1,114,055 km (0.048 R)
• M4: 1,441,525 km (0.074 R)
• M5: 2,512,197 km (0.11 R)
• M6: 2,909,679 km (0.096 R)
• M7: 3,387,644 km (0.104 R)
• M8: 4,202,653 km (0.084 R)
• M9: 4,864,773 km (0.061 R)
• M10: 5,379,240 km (0.117 R)
• M11: 5,788,540 km (0.093 R)
• M12: 6,919,500 km (0.087 R)
• M13: 7,740,194 km (0.076 R)
• M14: 8,624,616 km (0.069 R)
• M15: 11,548,208 km (0.103 R)
• M16: 12,893,092 km (0.089 R)
• M17: 14,082,994 km (0.07 R)
• M18: 14,652,064 km (0.1 R)
• M19: 15,236,543 km (0.098 R)
• M20: 16,114,234 km (0.073 R)
• M21: 19,965,182 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 11.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.44 AU - 11.68 AU

Year: 13067 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,138,888 km

• M1: 146,756 km (0.093 R)
• M2: 931,396 km (0.116 R)
• M3: 2,637,560 km (0.113 R)
• M4: 3,999,948 km (0.087 R)
• M5: 5,674,247 km (0.031 R)
• M6: 9,267,289 km (0.087 R)
• M7: 10,856,617 km (0.11 R)
• M8: 12,431,433 km (0.117 R)
• M9: 18,187,212 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.9

Radius: 6.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 13.02 AU - 15.88 AU

Year: 20917 Days

Day: 20.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,138,888 km

• M1: 84,523 km (0.045 R)
• M2: 485,295 km (0.1 R)
• M3: 1,165,367 km (0.048 R)
• M4: 1,403,378 km (0.062 R)
• M5: 1,658,891 km (0.073 R)
• M6: 3,314,790 km (0.115 R)
• M7: 4,938,226 km (0.041 R)
• M8: 5,958,184 km (0.079 R)
• M9: 6,990,409 km (0.107 R)
• M10: 8,684,605 km (0.052 R)
• M11: 9,502,307 km (0.105 R)
• M12: 12,381,169 km (0.064 R)
• M13: 15,448,075 km (0.046 R)
• M14: 19,948,876 km (0.098 R)
• M15: 22,320,152 km (0.064 R)
• M16: 27,311,036 km (0.072 R)
• M17: 27,919,002 km (0.111 R)
• M18: 30,658,438 km (0.12 R)
• M19: 32,317,628 km (0.113 R)
• M20: 34,976,730 km (0.071 R)
• M21: 38,154,339 km (0.08 R)
• M22: 40,989,069 km (0.085 R)
• M23: 45,925,499 km (0.081 R)
• M24: 46,497,412 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.6

Radius: 4.9

Gravity: 23.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.48 AU - 17.68 AU

Year: 26880 Days

Day: 20.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,138,888 km

• M1: 60,886 km (0.062 R)
• M2: 366,664 km (0.098 R)
• M3: 543,788 km (0.115 R)
• M4: 1,000,810 km (0.085 R)
• M5: 1,952,103 km (0.114 R)
• M6: 2,995,249 km (0.072 R)
• M7: 3,218,748 km (0.09 R)
• M8: 3,891,190 km (0.119 R)
• M9: 4,330,260 km (0.087 R)
• M10: 5,186,708 km (0.081 R)
• M11: 5,427,560 km (0.103 R)
• M12: 7,682,748 km (0.059 R)
• M13: 10,751,001 km (0.086 R)
• M14: 15,108,787 km (0.118 R)
• M15: 18,869,827 km (0.104 R)
• M16: 19,058,470 km (0.09 R)
• M17: 19,343,902 km (0.099 R)
• M18: 21,731,035 km (0.096 R)
• M19: 23,535,934 km (0.077 R)
• M20: 31,756,786 km (0.056 R)
• M21: 42,022,939 km (0.11 R)
• M22: 44,812,192 km (0.104 R)
• M23: 71,696,276 km (0.106 R)
• M24: 76,861,441 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit