🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 161 Days

Day: 40 Hours

Environment

Temp: 215 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.57 AU - 1.99 AU

Year: 867 Days

Day: 18.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.38 AU - 3.8 AU

Year: 1984 Days

Day: 29.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 8.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.59 AU - 7.07 AU

Year: 5142 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,876,216 km

• M1: 109,506 km (0.085 R)
• M2: 401,072 km (0.103 R)
• M3: 677,678 km (0.095 R)
• M4: 1,067,082 km (0.062 R)
• M5: 1,400,535 km (0.062 R)
• M6: 1,706,463 km (0.094 R)
• M7: 1,997,580 km (0.051 R)
• M8: 2,581,162 km (0.103 R)
• M9: 3,409,635 km (0.047 R)
• M10: 4,805,682 km (0.079 R)
• M11: 6,103,743 km (0.051 R)
• M12: 7,983,141 km (0.099 R)
• M13: 8,547,574 km (0.094 R)
• M14: 9,443,964 km (0.117 R)
• M15: 10,772,094 km (0.063 R)
• M16: 13,098,341 km (0.116 R)
• M17: 14,333,271 km (0.083 R)
• M18: 16,627,953 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 9.5

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.67 AU - 7.55 AU

Year: 6207 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,876,216 km

• M1: 118,182 km (0.037 R)
• M2: 456,124 km (0.118 R)
• M3: 1,066,483 km (0.114 R)
• M4: 1,475,933 km (0.098 R)
• M5: 2,321,161 km (0.092 R)
• M6: 2,919,103 km (0.093 R)
• M7: 3,244,329 km (0.025 R)
• M8: 5,048,928 km (0.11 R)
• M9: 5,550,530 km (0.101 R)
• M10: 6,348,186 km (0.057 R)
• M11: 7,590,895 km (0.108 R)
• M12: 8,613,995 km (0.118 R)
• M13: 11,272,798 km (0.039 R)
• M14: 12,182,353 km (0.104 R)
• M15: 14,319,658 km (0.08 R)
• M16: 14,846,242 km (0.1 R)
• M17: 16,695,571 km (0.064 R)
• M18: 18,901,691 km (0.096 R)
• M19: 21,904,719 km (0.112 R)
• M20: 23,238,234 km (0.084 R)
• M21: 25,551,316 km (0.103 R)
• M22: 26,500,664 km (0.091 R)
• M23: 26,939,884 km (0.04 R)
• M24: 29,023,034 km (0.107 R)
• M25: 29,583,727 km (0.096 R)
• M26: 30,438,230 km (0.098 R)
• M27: 33,507,679 km (0.08 R)
• M28: 33,918,176 km (0.045 R)
• M29: 35,487,607 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.8

Radius: 7.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.62 AU - 15.26 AU

Year: 17002 Days

Day: 23.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,876,216 km

• M1: 98,286 km (0.097 R)
• M2: 605,423 km (0.052 R)
• M3: 1,034,768 km (0.104 R)
• M4: 1,351,018 km (0.046 R)
• M5: 2,925,386 km (0.111 R)
• M6: 3,591,845 km (0.101 R)
• M7: 4,015,955 km (0.047 R)
• M8: 4,964,405 km (0.037 R)
• M9: 6,773,343 km (0.103 R)
• M10: 7,505,325 km (0.095 R)
• M11: 7,978,054 km (0.094 R)
• M12: 9,466,404 km (0.041 R)
• M13: 9,815,266 km (0.087 R)
• M14: 10,913,314 km (0.074 R)
• M15: 12,740,802 km (0.079 R)
• M16: 13,664,120 km (0.114 R)
• M17: 14,109,922 km (0.057 R)
• M18: 14,434,250 km (0.037 R)
• M19: 17,655,840 km (0.077 R)
• M20: 19,195,202 km (0.087 R)
• M21: 20,989,479 km (0.06 R)
• M22: 23,612,678 km (0.119 R)
• M23: 28,149,233 km (0.097 R)
• M24: 31,550,191 km (0.102 R)
• M25: 33,349,105 km (0.084 R)
• M26: 34,040,995 km (0.108 R)
• M27: 34,742,460 km (0.114 R)
• M28: 40,443,784 km (0.1 R)
• M29: 42,027,577 km (0.093 R)
• M30: 46,024,832 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.6

Radius: 7.4

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 14.84 AU - 15.82 AU

Year: 21923 Days

Day: 18.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,876,216 km

• M1: 92,003 km (0.033 R)
• M2: 617,690 km (0.073 R)
• M3: 909,405 km (0.082 R)
• M4: 2,824,707 km (0.083 R)
• M5: 3,346,056 km (0.106 R)
• M6: 4,061,133 km (0.092 R)
• M7: 4,402,067 km (0.076 R)
• M8: 5,141,679 km (0.1 R)
• M9: 5,918,241 km (0.092 R)
• M10: 7,008,062 km (0.04 R)
• M11: 7,600,619 km (0.069 R)
• M12: 18,162,079 km (0.07 R)
• M13: 18,621,345 km (0.107 R)
• M14: 27,304,005 km (0.052 R)
• M15: 30,407,562 km (0.043 R)
• M16: 33,463,548 km (0.06 R)
• M17: 36,427,231 km (0.078 R)
• M18: 42,708,995 km (0.056 R)
• M19: 54,086,512 km (0.056 R)
• M20: 66,023,674 km (0.097 R)
• M21: 67,546,730 km (0.084 R)
• M22: 72,716,084 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 18,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit