🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.98 AU - 1.08 AU

Year: 364 Days

Day: 34.9 Hours

Environment

Temp: 101 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.16 AU - 1.16 AU

Year: 435 Days

Day: 36.1 Hours

Environment

Temp: 37 °C

Axial Tilt: 151.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,601,575 km

• M1: 520,152 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.25 AU - 2.39 AU

Year: 1231 Days

Day: 34.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.46 AU - 3.8 AU

Year: 1928 Days

Day: 41.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,601,575 km

• M1: 103,821 km (0.106 R)

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 11.8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.06 AU - 8.14 AU

Year: 8028 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 102.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,601,575 km

• M1: 150,346 km (0.104 R)
• M2: 623,674 km (0.092 R)
• M3: 1,078,301 km (0.068 R)
• M4: 1,671,756 km (0.073 R)
• M5: 2,296,178 km (0.083 R)
• M6: 3,157,861 km (0.107 R)
• M7: 4,250,375 km (0.08 R)
• M8: 4,781,298 km (0.093 R)
• M9: 6,940,743 km (0.071 R)
• M10: 7,598,973 km (0.088 R)
• M11: 8,005,431 km (0.069 R)
• M12: 10,065,693 km (0.102 R)
• M13: 12,569,811 km (0.104 R)
• M14: 13,081,735 km (0.094 R)
• M15: 15,788,260 km (0.082 R)
• M16: 16,519,345 km (0.112 R)
• M17: 17,134,043 km (0.117 R)
• M18: 18,336,959 km (0.099 R)
• M19: 21,954,984 km (0.117 R)
• M20: 23,288,200 km (0.077 R)
• M21: 25,568,520 km (0.108 R)
• M22: 26,023,597 km (0.064 R)
• M23: 26,949,907 km (0.096 R)
• M24: 28,868,200 km (0.106 R)
• M25: 30,569,128 km (0.066 R)
• M26: 33,623,169 km (0.075 R)
• M27: 35,957,943 km (0.07 R)
• M28: 38,995,827 km (0.056 R)
• M29: 39,599,005 km (0.044 R)
• M30: 41,072,245 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 14.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 11.75 AU - 13.33 AU

Year: 15465 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,601,575 km

• M1: 185,651 km (0.064 R)
• M2: 810,372 km (0.087 R)
• M3: 1,423,125 km (0.098 R)
• M4: 1,987,258 km (0.101 R)
• M5: 2,486,765 km (0.091 R)
• M6: 3,370,889 km (0.074 R)
• M7: 4,844,727 km (0.076 R)
• M8: 7,184,139 km (0.072 R)
• M9: 7,859,573 km (0.078 R)
• M10: 9,028,381 km (0.074 R)
• M11: 15,687,431 km (0.103 R)
• M12: 17,377,289 km (0.057 R)
• M13: 18,931,760 km (0.063 R)
• M14: 19,873,180 km (0.088 R)
• M15: 24,251,161 km (0.095 R)
• M16: 29,234,117 km (0.067 R)
• M17: 32,993,212 km (0.087 R)
• M18: 37,328,259 km (0.093 R)
• M19: 39,493,987 km (0.116 R)
• M20: 43,190,252 km (0.117 R)
• M21: 49,799,486 km (0.105 R)
• M22: 50,772,321 km (0.118 R)
• M23: 57,584,409 km (0.045 R)
• M24: 62,137,869 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.4

Radius: 7.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 13.13 AU - 21.19 AU

Year: 24755 Days

Day: 18 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,601,575 km

• M1: 98,435 km (0.108 R)
• M2: 490,681 km (0.104 R)
• M3: 768,634 km (0.041 R)
• M4: 1,438,234 km (0.112 R)
• M5: 1,972,298 km (0.104 R)
• M6: 3,320,026 km (0.096 R)
• M7: 4,349,857 km (0.072 R)
• M8: 6,021,763 km (0.079 R)
• M9: 6,707,969 km (0.086 R)
• M10: 7,397,465 km (0.111 R)
• M11: 13,607,273 km (0.101 R)
• M12: 13,968,552 km (0.097 R)
• M13: 14,710,108 km (0.107 R)
• M14: 16,843,224 km (0.047 R)
• M15: 19,084,649 km (0.066 R)
• M16: 21,615,097 km (0.049 R)
• M17: 26,093,459 km (0.051 R)
• M18: 27,906,436 km (0.105 R)
• M19: 30,288,782 km (0.088 R)
• M20: 30,904,826 km (0.119 R)
• M21: 41,629,497 km (0.114 R)
• M22: 45,530,411 km (0.116 R)
• M23: 46,014,211 km (0.037 R)
• M24: 46,992,282 km (0.098 R)
• M25: 47,321,397 km (0.032 R)
• M26: 51,565,638 km (0.114 R)
• M27: 57,547,458 km (0.098 R)
• M28: 59,832,416 km (0.032 R)
• M29: 60,802,110 km (0.107 R)
• M30: 62,177,213 km (0.11 R)
• M31: 62,772,912 km (0.069 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 10,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit