🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.61 AU - 0.69 AU

Year: 198 Days

Day: 27.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.8 AU - 1.32 AU

Year: 413 Days

Day: 46.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 57 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.52 AU - 1.9 AU

Year: 847 Days

Day: 38.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,970,656 km

• M1: 699,520 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.27 AU - 3.19 AU

Year: 1708 Days

Day: 15.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,970,656 km

• M1: 2,353,922 km (0.067 R)

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 10.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.74 AU - 8.08 AU

Year: 8426 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,970,656 km

• M1: 135,536 km (0.117 R)
• M2: 542,591 km (0.088 R)
• M3: 1,192,445 km (0.115 R)
• M4: 1,579,454 km (0.081 R)
• M5: 2,885,444 km (0.066 R)
• M6: 3,369,692 km (0.085 R)
• M7: 3,786,023 km (0.079 R)
• M8: 8,014,108 km (0.062 R)
• M9: 9,194,136 km (0.083 R)
• M10: 11,075,778 km (0.107 R)
• M11: 13,714,983 km (0.116 R)
• M12: 14,182,626 km (0.096 R)
• M13: 16,880,474 km (0.086 R)
• M14: 17,349,912 km (0.071 R)
• M15: 17,896,992 km (0.06 R)
• M16: 18,526,350 km (0.092 R)
• M17: 25,130,797 km (0.073 R)
• M18: 26,455,336 km (0.095 R)
• M19: 30,411,302 km (0.056 R)
• M20: 34,102,181 km (0.113 R)
• M21: 36,946,485 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643

Radius: 3

Gravity: 71.44 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 10.63 AU - 16.85 AU

Year: 19290 Days

Day: 15.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 45,970,656 km

• M1: 37,399 km (0.077 R)
• M2: 166,054 km (0.109 R)
• M3: 263,591 km (0.116 R)
• M4: 426,803 km (0.093 R)
• M5: 520,301 km (0.112 R)
• M6: 618,886 km (0.048 R)
• M7: 811,269 km (0.065 R)
• M8: 1,755,681 km (0.111 R)
• M9: 2,059,364 km (0.097 R)
• M10: 2,464,176 km (0.103 R)
• M11: 2,697,399 km (0.075 R)
• M12: 3,022,176 km (0.079 R)
• M13: 3,372,534 km (0.063 R)
• M14: 4,316,048 km (0.03 R)
• M15: 4,449,489 km (0.106 R)
• M16: 5,857,056 km (0.055 R)
• M17: 6,271,592 km (0.03 R)
• M18: 6,661,144 km (0.064 R)
• M19: 6,929,673 km (0.072 R)
• M20: 7,158,857 km (0.053 R)
• M21: 9,736,428 km (0.102 R)
• M22: 10,495,637 km (0.053 R)
• M23: 11,675,067 km (0.119 R)
• M24: 12,263,435 km (0.109 R)
• M25: 13,078,145 km (0.104 R)
• M26: 15,581,665 km (0.065 R)
• M27: 18,825,695 km (0.087 R)
• M28: 19,633,374 km (0.067 R)
• M29: 20,370,443 km (0.067 R)
• M30: 22,792,432 km (0.07 R)
• M31: 24,334,038 km (0.075 R)
• M32: 26,163,620 km (0.096 R)
• M33: 32,707,779 km (0.076 R)
• M34: 33,742,249 km (0.063 R)
• M35: 34,399,582 km (0.043 R)
• M36: 38,381,877 km (0.053 R)
• M37: 45,310,801 km (0.095 R)
• M38: 50,422,112 km (0.067 R)
• M39: 51,280,953 km (0.089 R)
• M40: 61,185,828 km (0.109 R)
• M41: 61,770,606 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.6

Radius: 3.2

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 11.47 AU - 18.31 AU

Year: 21762 Days

Day: 15.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,970,656 km

• M1: 42,935 km (0.1 R)
• M2: 217,515 km (0.087 R)
• M3: 380,427 km (0.083 R)
• M4: 535,560 km (0.111 R)
• M5: 1,206,956 km (0.105 R)
• M6: 3,640,913 km (0.117 R)
• M7: 4,657,879 km (0.075 R)
• M8: 6,800,719 km (0.034 R)
• M9: 9,472,986 km (0.047 R)
• M10: 11,199,645 km (0.09 R)
• M11: 11,415,664 km (0.106 R)
• M12: 12,080,327 km (0.06 R)
• M13: 12,653,586 km (0.094 R)
• M14: 16,340,426 km (0.115 R)
• M15: 17,326,725 km (0.055 R)
• M16: 17,470,787 km (0.118 R)
• M17: 17,981,215 km (0.114 R)
• M18: 19,964,584 km (0.113 R)
• M19: 23,205,472 km (0.1 R)
• M20: 28,949,731 km (0.095 R)
• M21: 30,599,347 km (0.117 R)
• M22: 32,310,597 km (0.084 R)
• M23: 33,078,932 km (0.06 R)
• M24: 37,343,219 km (0.059 R)
• M25: 37,825,074 km (0.095 R)
• M26: 38,433,189 km (0.064 R)
• M27: 39,669,017 km (0.066 R)
• M28: 41,314,743 km (0.095 R)
• M29: 43,402,082 km (0.081 R)
• M30: 43,667,768 km (0.051 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: 254 - 10,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit