🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.54 AU - 0.56 AU

Year: 150 Days

Day: 25.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.06 AU - 1.1 AU

Year: 414 Days

Day: 20.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.65 AU - 1.77 AU

Year: 825 Days

Day: 32.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.5 AU - 5.52 AU

Year: 3534 Days

Day: 17.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 8.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.1 AU - 7.78 AU

Year: 6746 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,377,169 km

• M1: 102,026 km (0.085 R)
• M2: 416,480 km (0.078 R)
• M3: 1,511,088 km (0.111 R)
• M4: 3,124,202 km (0.106 R)
• M5: 5,915,100 km (0.11 R)
• M6: 6,625,690 km (0.093 R)
• M7: 7,565,763 km (0.074 R)
• M8: 12,520,444 km (0.107 R)
• M9: 16,654,731 km (0.036 R)
• M10: 19,554,835 km (0.102 R)
• M11: 20,431,778 km (0.093 R)
• M12: 22,119,242 km (0.092 R)
• M13: 23,519,478 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 10.8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.63 AU - 12.01 AU

Year: 14052 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,377,169 km

• M1: 134,339 km (0.12 R)
• M2: 543,639 km (0.114 R)
• M3: 882,777 km (0.073 R)
• M4: 1,236,576 km (0.084 R)
• M5: 2,267,156 km (0.09 R)
• M6: 2,604,499 km (0.073 R)
• M7: 4,402,665 km (0.062 R)
• M8: 5,285,592 km (0.098 R)
• M9: 6,613,423 km (0.053 R)
• M10: 7,400,457 km (0.11 R)
• M11: 8,007,076 km (0.063 R)
• M12: 9,426,012 km (0.104 R)
• M13: 11,245,422 km (0.112 R)
• M14: 15,194,805 km (0.084 R)
• M15: 16,957,367 km (0.09 R)
• M16: 19,631,130 km (0.062 R)
• M17: 21,068,018 km (0.072 R)
• M18: 23,650,077 km (0.109 R)
• M19: 24,251,311 km (0.096 R)
• M20: 26,436,188 km (0.108 R)
• M21: 27,852,730 km (0.12 R)
• M22: 29,549,319 km (0.06 R)
• M23: 31,674,956 km (0.09 R)
• M24: 38,660,877 km (0.099 R)
• M25: 42,363,873 km (0.104 R)
• M26: 46,609,161 km (0.073 R)
• M27: 52,642,743 km (0.101 R)
• M28: 55,934,345 km (0.081 R)
• M29: 58,264,032 km (0.094 R)
• M30: 61,407,233 km (0.094 R)
• M31: 62,733,717 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.3

Radius: 6.9

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 14.99 AU - 22.63 AU

Year: 30100 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,377,169 km

• M1: 85,869 km (0.083 R)
• M2: 1,035,965 km (0.115 R)
• M3: 1,431,053 km (0.081 R)
• M4: 1,812,677 km (0.041 R)
• M5: 2,731,208 km (0.104 R)
• M6: 3,028,609 km (0.081 R)
• M7: 3,807,266 km (0.105 R)
• M8: 5,290,230 km (0.045 R)
• M9: 7,543,473 km (0.1 R)
• M10: 8,030,862 km (0.104 R)
• M11: 8,643,017 km (0.107 R)
• M12: 9,451,444 km (0.097 R)
• M13: 9,788,637 km (0.115 R)
• M14: 11,532,500 km (0.079 R)
• M15: 14,707,565 km (0.029 R)
• M16: 15,008,556 km (0.105 R)
• M17: 21,828,424 km (0.076 R)
• M18: 23,219,983 km (0.115 R)
• M19: 26,956,190 km (0.114 R)
• M20: 29,143,161 km (0.073 R)
• M21: 30,951,201 km (0.07 R)
• M22: 32,197,202 km (0.084 R)
• M23: 34,260,007 km (0.101 R)
• M24: 35,593,073 km (0.095 R)
• M25: 36,684,091 km (0.114 R)
• M26: 41,421,107 km (0.058 R)
• M27: 45,747,178 km (0.117 R)
• M28: 46,873,800 km (0.03 R)
• M29: 47,525,897 km (0.111 R)
• M30: 51,220,965 km (0.096 R)
• M31: 53,315,036 km (0.082 R)
• M32: 55,647,117 km (0.054 R)
• M33: 62,458,906 km (0.09 R)
• M34: 63,446,851 km (0.117 R)
• M35: 66,064,215 km (0.055 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 18,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit