🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.55 AU - 0.71 AU

Year: 181 Days

Day: 36.9 Hours

Environment

Temp: 222 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.66 AU - 0.7 AU

Year: 203 Days

Day: 15.4 Hours

Environment

Temp: 167 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,054,271 km

• M1: 69,114 km (0.042 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.11 AU - 1.33 AU

Year: 487 Days

Day: 22 Hours

Environment

Temp: 6 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,054,271 km

• M1: 286,779 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.7 AU - 2.06 AU

Year: 932 Days

Day: 36.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,054,271 km

• M1: 40,990 km (0.064 R)
• M2: 502,050 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.27 AU - 2.53 AU

Year: 1345 Days

Day: 20.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.74 AU - 5.56 AU

Year: 3626 Days

Day: 23.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 11.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.68 AU - 9.76 AU

Year: 10125 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,054,271 km

• M1: 143,016 km (0.078 R)
• M2: 925,562 km (0.11 R)
• M3: 2,055,624 km (0.098 R)
• M4: 2,517,583 km (0.11 R)
• M5: 3,006,917 km (0.099 R)
• M6: 4,610,906 km (0.084 R)
• M7: 5,760,864 km (0.119 R)
• M8: 6,906,784 km (0.091 R)
• M9: 7,553,645 km (0.106 R)
• M10: 9,507,543 km (0.095 R)
• M11: 10,068,236 km (0.102 R)
• M12: 10,700,586 km (0.103 R)
• M13: 11,462,937 km (0.106 R)
• M14: 12,480,053 km (0.053 R)
• M15: 12,869,606 km (0.091 R)
• M16: 13,382,427 km (0.102 R)
• M17: 13,849,621 km (0.114 R)
• M18: 14,940,788 km (0.115 R)
• M19: 18,130,364 km (0.075 R)
• M20: 18,558,663 km (0.043 R)
• M21: 19,733,754 km (0.087 R)
• M22: 22,394,652 km (0.108 R)
• M23: 28,036,735 km (0.118 R)
• M24: 30,778,565 km (0.085 R)
• M25: 34,560,100 km (0.114 R)
• M26: 40,190,066 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 9.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.88 AU - 9.7 AU

Year: 10240 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,054,271 km

• M1: 114,592 km (0.103 R)
• M2: 520,900 km (0.076 R)
• M3: 1,120,937 km (0.073 R)
• M4: 2,595,972 km (0.118 R)
• M5: 3,596,632 km (0.051 R)
• M6: 6,057,816 km (0.03 R)
• M7: 6,497,185 km (0.093 R)
• M8: 8,940,567 km (0.058 R)
• M9: 9,427,807 km (0.04 R)
• M10: 10,323,001 km (0.036 R)
• M11: 11,227,320 km (0.108 R)
• M12: 13,878,344 km (0.089 R)
• M13: 16,375,133 km (0.1 R)
• M14: 20,173,422 km (0.115 R)
• M15: 20,800,238 km (0.09 R)
• M16: 27,038,918 km (0.099 R)
• M17: 28,057,978 km (0.112 R)
• M18: 28,577,083 km (0.109 R)
• M19: 30,082,486 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.8

Radius: 7.1

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 13.67 AU - 15.83 AU

Year: 20487 Days

Day: 18.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,054,271 km

• M1: 93,199 km (0.106 R)
• M2: 405,859 km (0.085 R)
• M3: 717,322 km (0.089 R)
• M4: 1,790,088 km (0.117 R)
• M5: 2,044,853 km (0.105 R)
• M6: 2,838,171 km (0.084 R)
• M7: 5,375,500 km (0.095 R)
• M8: 6,231,350 km (0.073 R)
• M9: 7,448,029 km (0.082 R)
• M10: 11,536,389 km (0.038 R)
• M11: 16,359,126 km (0.046 R)
• M12: 17,153,939 km (0.12 R)
• M13: 26,353,909 km (0.053 R)
• M14: 27,114,614 km (0.074 R)
• M15: 28,908,442 km (0.076 R)
• M16: 31,623,344 km (0.097 R)
• M17: 44,950,271 km (0.112 R)
• M18: 49,396,319 km (0.093 R)
• M19: 54,301,035 km (0.119 R)
• M20: 65,065,350 km (0.091 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 14,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit