🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.61 AU

Year: 128 Days

Day: 33.3 Hours

Environment

Temp: 290 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.98 AU - 1.16 AU

Year: 389 Days

Day: 25.4 Hours

Environment

Temp: 120 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,477,283 km

• M1: 68,366 km (0.072 R)
• M2: 355,594 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1 AU - 1.32 AU

Year: 439 Days

Day: 36.4 Hours

Environment

Temp: 41 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.98 AU - 1.42 AU

Year: 462 Days

Day: 46.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.15 AU - 1.43 AU

Year: 515 Days

Day: 14.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.05 AU - 1.69 AU

Year: 564 Days

Day: 26.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 54,477,283 km

• M1: 19,298 km (0.092 R)
• M2: 149,897 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.8

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.78 AU - 7.6 AU

Year: 6776 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,477,283 km

• M1: 183,257 km (0.087 R)
• M2: 672,143 km (0.104 R)
• M3: 2,180,987 km (0.106 R)
• M4: 4,026,875 km (0.117 R)
• M5: 5,718,977 km (0.117 R)
• M6: 6,430,913 km (0.107 R)
• M7: 8,259,747 km (0.086 R)
• M8: 9,048,427 km (0.079 R)
• M9: 9,930,157 km (0.081 R)
• M10: 10,414,555 km (0.095 R)
• M11: 11,430,773 km (0.038 R)
• M12: 12,973,875 km (0.074 R)
• M13: 14,595,815 km (0.043 R)
• M14: 15,223,229 km (0.108 R)
• M15: 16,654,731 km (0.089 R)
• M16: 17,214,077 km (0.089 R)
• M17: 22,676,943 km (0.077 R)
• M18: 24,862,418 km (0.076 R)
• M19: 25,840,788 km (0.049 R)
• M20: 31,876,763 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.9

Radius: 7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 16.05 AU - 16.97 AU

Year: 23578 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,477,283 km

• M1: 91,404 km (0.093 R)
• M2: 388,655 km (0.116 R)
• M3: 642,822 km (0.072 R)
• M4: 886,966 km (0.106 R)
• M5: 1,110,764 km (0.102 R)
• M6: 1,386,323 km (0.032 R)
• M7: 2,520,425 km (0.108 R)
• M8: 3,808,313 km (0.052 R)
• M9: 4,262,343 km (0.095 R)
• M10: 5,076,454 km (0.087 R)
• M11: 5,346,777 km (0.07 R)
• M12: 5,770,139 km (0.097 R)
• M13: 7,957,560 km (0.046 R)
• M14: 9,435,586 km (0.075 R)
• M15: 10,373,266 km (0.073 R)
• M16: 13,817,159 km (0.068 R)
• M17: 17,799,753 km (0.087 R)
• M18: 18,504,060 km (0.09 R)
• M19: 18,983,820 km (0.086 R)
• M20: 20,986,038 km (0.105 R)
• M21: 22,216,780 km (0.119 R)
• M22: 23,032,986 km (0.104 R)
• M23: 23,681,493 km (0.034 R)
• M24: 24,437,411 km (0.119 R)
• M25: 25,209,336 km (0.085 R)
• M26: 30,296,112 km (0.076 R)
• M27: 31,186,668 km (0.044 R)
• M28: 33,489,428 km (0.117 R)
• M29: 37,405,751 km (0.066 R)
• M30: 37,660,217 km (0.091 R)
• M31: 46,425,904 km (0.065 R)
• M32: 53,343,010 km (0.046 R)
• M33: 54,477,261 km (0.115 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 11,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit