🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.87 AU

Year: 262 Days

Day: 30.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,990,614 km

• M1: 242,199 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.15 AU - 1.19 AU

Year: 447 Days

Day: 34 Hours

Environment

Temp: 33 °C

Axial Tilt: 63.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.7 AU - 4.68 AU

Year: 3028 Days

Day: 47.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,990,614 km

• M1: 334,800 km (0.04 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.89 AU - 4.91 AU

Year: 3259 Days

Day: 19 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 9.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.58 AU - 8.92 AU

Year: 8367 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,990,614 km

• M1: 115,639 km (0.087 R)
• M2: 434,133 km (0.116 R)
• M3: 728,990 km (0.078 R)
• M4: 2,457,594 km (0.099 R)
• M5: 3,519,290 km (0.051 R)
• M6: 5,886,975 km (0.053 R)
• M7: 7,189,225 km (0.102 R)
• M8: 8,285,029 km (0.09 R)
• M9: 8,993,974 km (0.105 R)
• M10: 10,132,264 km (0.025 R)
• M11: 10,804,856 km (0.096 R)
• M12: 11,175,559 km (0.059 R)
• M13: 17,048,173 km (0.087 R)
• M14: 18,258,719 km (0.116 R)
• M15: 24,620,668 km (0.115 R)
• M16: 25,834,954 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 11.3

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.93 AU - 11.25 AU

Year: 12169 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,990,614 km

• M1: 140,772 km (0.076 R)
• M2: 496,067 km (0.037 R)
• M3: 929,452 km (0.108 R)
• M4: 1,327,382 km (0.09 R)
• M5: 1,681,330 km (0.093 R)
• M6: 2,099,457 km (0.087 R)
• M7: 2,608,239 km (0.12 R)
• M8: 3,847,807 km (0.04 R)
• M9: 4,646,061 km (0.059 R)
• M10: 7,020,030 km (0.1 R)
• M11: 7,489,917 km (0.036 R)
• M12: 9,327,577 km (0.119 R)
• M13: 11,980,246 km (0.113 R)
• M14: 12,777,453 km (0.056 R)
• M15: 14,072,672 km (0.091 R)
• M16: 18,004,852 km (0.089 R)
• M17: 19,050,690 km (0.079 R)
• M18: 19,966,977 km (0.092 R)
• M19: 21,707,698 km (0.032 R)
• M20: 24,311,748 km (0.115 R)
• M21: 24,993,915 km (0.094 R)
• M22: 30,355,652 km (0.046 R)
• M23: 37,331,251 km (0.106 R)
• M24: 46,338,838 km (0.116 R)
• M25: 48,146,280 km (0.091 R)
• M26: 52,384,387 km (0.062 R)
• M27: 53,850,596 km (0.068 R)
• M28: 56,694,451 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 11

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.95 AU - 13.21 AU

Year: 13914 Days

Day: 11.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,990,614 km

• M1: 138,677 km (0.1 R)
• M2: 618,138 km (0.028 R)
• M3: 1,110,615 km (0.098 R)
• M4: 2,345,844 km (0.06 R)
• M5: 5,875,008 km (0.113 R)
• M6: 8,531,118 km (0.114 R)
• M7: 13,716,479 km (0.092 R)
• M8: 15,637,465 km (0.117 R)
• M9: 20,175,666 km (0.092 R)
• M10: 23,395,312 km (0.12 R)
• M11: 29,169,341 km (0.102 R)
• M12: 33,865,816 km (0.111 R)
• M13: 36,078,219 km (0.111 R)
• M14: 49,836,137 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.3

Radius: 6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 13.36 AU - 17.6 AU

Year: 21506 Days

Day: 22.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,990,614 km

• M1: 75,547 km (0.115 R)
• M2: 271,670 km (0.078 R)
• M3: 670,198 km (0.093 R)
• M4: 1,156,840 km (0.047 R)
• M5: 2,410,770 km (0.109 R)
• M6: 2,781,174 km (0.04 R)
• M7: 3,482,040 km (0.093 R)
• M8: 4,352,999 km (0.049 R)
• M9: 4,591,757 km (0.098 R)
• M10: 5,705,513 km (0.067 R)
• M11: 12,092,295 km (0.099 R)
• M12: 12,445,645 km (0.058 R)
• M13: 14,186,964 km (0.07 R)
• M14: 15,183,436 km (0.085 R)
• M15: 20,958,961 km (0.1 R)
• M16: 21,987,297 km (0.101 R)
• M17: 23,138,751 km (0.09 R)
• M18: 30,468,748 km (0.094 R)
• M19: 42,635,094 km (0.117 R)
• M20: 42,906,764 km (0.047 R)
• M21: 45,121,859 km (0.099 R)
• M22: 49,328,851 km (0.09 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 10,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit