🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 205 Days

Day: 24.6 Hours

Environment

Temp: 146 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.96 AU - 1.1 AU

Year: 374 Days

Day: 33.3 Hours

Environment

Temp: 48 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,764,005 km

• M1: 596,896 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.86 AU - 1.3 AU

Year: 402 Days

Day: 19.1 Hours

Environment

Temp: 40 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.28 AU - 2.94 AU

Year: 1510 Days

Day: 32.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.21 AU - 4.65 AU

Year: 3339 Days

Day: 18.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.01 AU - 5.11 AU

Year: 3488 Days

Day: 30.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 9.2

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.15 AU - 6.59 AU

Year: 4457 Days

Day: 7.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,764,005 km

• M1: 114,442 km (0.12 R)
• M2: 416,181 km (0.032 R)
• M3: 1,028,635 km (0.03 R)
• M4: 1,391,410 km (0.113 R)
• M5: 1,826,141 km (0.083 R)
• M6: 2,164,681 km (0.113 R)
• M7: 3,239,542 km (0.045 R)
• M8: 4,078,188 km (0.102 R)
• M9: 5,108,618 km (0.092 R)
• M10: 5,526,145 km (0.073 R)
• M11: 6,057,068 km (0.095 R)
• M12: 7,186,831 km (0.11 R)
• M13: 7,676,016 km (0.114 R)
• M14: 10,157,247 km (0.106 R)
• M15: 10,595,120 km (0.091 R)
• M16: 11,137,113 km (0.119 R)
• M17: 12,573,252 km (0.112 R)
• M18: 14,953,055 km (0.037 R)
• M19: 15,692,966 km (0.048 R)
• M20: 16,636,929 km (0.101 R)
• M21: 18,964,073 km (0.071 R)
• M22: 19,695,756 km (0.079 R)
• M23: 23,487,614 km (0.1 R)
• M24: 24,331,495 km (0.069 R)
• M25: 24,721,647 km (0.083 R)
• M26: 25,917,233 km (0.078 R)
• M27: 27,824,755 km (0.104 R)
• M28: 29,293,507 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 12.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.79 AU - 7.17 AU

Year: 5238 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,764,005 km

• M1: 151,842 km (0.107 R)
• M2: 1,054,515 km (0.062 R)
• M3: 1,745,957 km (0.072 R)
• M4: 2,145,233 km (0.108 R)
• M5: 7,273,299 km (0.036 R)
• M6: 7,682,150 km (0.078 R)
• M7: 8,142,313 km (0.043 R)
• M8: 11,992,065 km (0.041 R)
• M9: 14,074,168 km (0.086 R)
• M10: 15,871,436 km (0.088 R)
• M11: 16,329,356 km (0.033 R)
• M12: 17,211,534 km (0.094 R)
• M13: 18,063,344 km (0.029 R)
• M14: 19,071,036 km (0.08 R)
• M15: 20,992,471 km (0.039 R)
• M16: 22,462,270 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.3

Radius: 5.2

Gravity: 31.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 11.46 AU - 15.58 AU

Year: 17805 Days

Day: 24.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,764,005 km

• M1: 64,626 km (0.092 R)
• M2: 242,797 km (0.12 R)
• M3: 726,447 km (0.103 R)
• M4: 973,733 km (0.087 R)
• M5: 1,164,320 km (0.084 R)
• M6: 1,379,891 km (0.061 R)
• M7: 1,798,615 km (0.062 R)
• M8: 3,422,799 km (0.107 R)
• M9: 6,083,248 km (0.098 R)
• M10: 6,425,528 km (0.118 R)
• M11: 7,626,799 km (0.116 R)
• M12: 7,974,314 km (0.113 R)
• M13: 9,988,650 km (0.114 R)
• M14: 15,930,079 km (0.1 R)
• M15: 27,044,004 km (0.11 R)
• M16: 28,319,326 km (0.105 R)
• M17: 30,864,434 km (0.071 R)
• M18: 35,165,373 km (0.055 R)
• M19: 38,822,742 km (0.102 R)
• M20: 41,498,150 km (0.117 R)
• M21: 44,135,561 km (0.11 R)
• M22: 54,153,083 km (0.055 R)
• M23: 60,953,952 km (0.057 R)
• M24: 61,150,523 km (0.093 R)
• M25: 63,948,003 km (0.111 R)
• M26: 67,458,018 km (0.111 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit