🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.52 AU - 0.58 AU

Year: 145 Days

Day: 17.3 Hours

Environment

Temp: 242 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.78 AU - 0.9 AU

Year: 273 Days

Day: 26.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.97 AU - 1.07 AU

Year: 365 Days

Day: 41.4 Hours

Environment

Temp: 154 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.52 AU - 1.52 AU

Year: 665 Days

Day: 14.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 41.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.23 AU - 2.53 AU

Year: 1303 Days

Day: 15.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.35 AU - 2.99 AU

Year: 1548 Days

Day: 43 Hours

Environment

Temp: -83 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.37 AU - 3.23 AU

Year: 1662 Days

Day: 37.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,490,777 km

• M1: 146,157 km (0.072 R)

Asteroid Belt

Center: 8.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 6.3

Gravity: 18.79 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 12.74 AU - 17.3 AU

Year: 20651 Days

Day: 18.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,490,777 km

• M1: 78,539 km (0.109 R)
• M2: 364,420 km (0.096 R)
• M3: 698,472 km (0.12 R)
• M4: 905,965 km (0.071 R)
• M5: 1,141,731 km (0.108 R)
• M6: 1,434,344 km (0.09 R)
• M7: 1,668,315 km (0.065 R)
• M8: 3,028,160 km (0.058 R)
• M9: 3,562,374 km (0.12 R)
• M10: 4,708,443 km (0.108 R)
• M11: 5,664,972 km (0.06 R)
• M12: 6,883,148 km (0.05 R)
• M13: 7,652,829 km (0.09 R)
• M14: 9,305,137 km (0.109 R)
• M15: 9,708,752 km (0.075 R)
• M16: 10,004,058 km (0.103 R)
• M17: 11,246,020 km (0.119 R)
• M18: 14,950,362 km (0.095 R)
• M19: 16,153,428 km (0.109 R)
• M20: 16,484,937 km (0.092 R)
• M21: 19,116,962 km (0.088 R)
• M22: 24,212,266 km (0.079 R)
• M23: 26,435,290 km (0.111 R)
• M24: 30,646,620 km (0.117 R)
• M25: 37,841,829 km (0.084 R)
• M26: 40,979,046 km (0.03 R)
• M27: 41,595,538 km (0.105 R)
• M28: 46,086,018 km (0.087 R)
• M29: 46,418,574 km (0.104 R)
• M30: 47,257,070 km (0.119 R)
• M31: 49,658,415 km (0.055 R)
• M32: 54,331,703 km (0.087 R)
• M33: 56,394,209 km (0.117 R)
• M34: 69,002,467 km (0.066 R)
• M35: 75,495,014 km (0.101 R)
• M36: 77,355,114 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.9

Radius: 3.1

Gravity: 78.55 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 14.87 AU - 17.49 AU

Year: 23089 Days

Day: 15.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,490,777 km

• M1: 38,596 km (0.042 R)
• M2: 232,924 km (0.072 R)
• M3: 478,414 km (0.092 R)
• M4: 585,975 km (0.083 R)
• M5: 839,244 km (0.096 R)
• M6: 1,010,234 km (0.102 R)
• M7: 1,438,533 km (0.07 R)
• M8: 1,759,121 km (0.095 R)
• M9: 1,856,210 km (0.118 R)
• M10: 2,349,435 km (0.076 R)
• M11: 2,898,010 km (0.037 R)
• M12: 3,527,219 km (0.118 R)
• M13: 4,105,714 km (0.106 R)
• M14: 4,819,894 km (0.074 R)
• M15: 7,708,329 km (0.111 R)
• M16: 8,787,080 km (0.106 R)
• M17: 9,901,434 km (0.088 R)
• M18: 10,651,668 km (0.117 R)
• M19: 14,658,647 km (0.053 R)
• M20: 14,897,854 km (0.105 R)
• M21: 17,257,760 km (0.116 R)
• M22: 17,884,425 km (0.108 R)
• M23: 19,182,935 km (0.1 R)
• M24: 20,246,277 km (0.117 R)
• M25: 20,943,104 km (0.072 R)
• M26: 22,070,024 km (0.083 R)
• M27: 25,119,876 km (0.113 R)
• M28: 27,102,197 km (0.04 R)
• M29: 31,506,658 km (0.082 R)
• M30: 33,947,048 km (0.093 R)
• M31: 50,008,773 km (0.076 R)
• M32: 54,644,213 km (0.101 R)
• M33: 55,604,481 km (0.11 R)
• M34: 56,185,968 km (0.096 R)
• M35: 56,771,494 km (0.065 R)
• M36: 57,164,189 km (0.102 R)
• M37: 64,544,301 km (0.103 R)
• M38: 83,669,191 km (0.036 R)
• M39: 84,432,440 km (0.067 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 14,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit