🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.22 AU - 1.26 AU

Year: 490 Days

Day: 37.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.3 AU - 1.38 AU

Year: 550 Days

Day: 47.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 101,148,618 km

• M1: 779,255 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.8 AU - 2.34 AU

Year: 1057 Days

Day: 25.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,148,618 km

• M1: 140,323 km (0.12 R)
• M2: 1,067,530 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.05 AU - 2.29 AU

Year: 1134 Days

Day: 37.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,148,618 km

• M1: 181,313 km (0.109 R)
• M2: 407,205 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.12 AU - 2.44 AU

Year: 1221 Days

Day: 30.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.15 AU - 3.55 AU

Year: 1707 Days

Day: 30.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.64 AU - 3.18 AU

Year: 1761 Days

Day: 43.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83

Radius: 4.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 10.75 AU - 16.61 AU

Year: 17950 Days

Day: 23.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 101,148,618 km

• M1: 63,130 km (0.1 R)
• M2: 216,319 km (0.096 R)
• M3: 377,435 km (0.071 R)
• M4: 668,254 km (0.09 R)
• M5: 1,502,411 km (0.064 R)
• M6: 2,080,906 km (0.074 R)
• M7: 3,305,066 km (0.059 R)
• M8: 5,622,935 km (0.109 R)
• M9: 8,758,357 km (0.11 R)
• M10: 11,897,818 km (0.062 R)
• M11: 18,989,206 km (0.05 R)
• M12: 22,692,501 km (0.028 R)
• M13: 34,096,795 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.9

Radius: 3.9

Gravity: 54.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 16.02 AU - 20.56 AU

Year: 27750 Days

Day: 21.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 101,148,618 km

• M1: 48,470 km (0.068 R)
• M2: 425,008 km (0.04 R)
• M3: 571,913 km (0.118 R)
• M4: 752,926 km (0.086 R)
• M5: 1,053,319 km (0.093 R)
• M6: 1,294,770 km (0.105 R)
• M7: 2,060,711 km (0.093 R)
• M8: 2,197,294 km (0.066 R)
• M9: 2,617,664 km (0.103 R)
• M10: 6,138,449 km (0.065 R)
• M11: 6,915,012 km (0.067 R)
• M12: 7,754,854 km (0.106 R)
• M13: 8,199,310 km (0.032 R)
• M14: 8,778,553 km (0.111 R)
• M15: 9,078,197 km (0.102 R)
• M16: 11,299,426 km (0.086 R)
• M17: 11,942,847 km (0.084 R)
• M18: 13,302,392 km (0.103 R)
• M19: 13,459,470 km (0.11 R)
• M20: 16,145,649 km (0.116 R)
• M21: 23,336,520 km (0.073 R)
• M22: 24,027,064 km (0.097 R)
• M23: 25,691,190 km (0.087 R)
• M24: 27,557,573 km (0.094 R)
• M25: 32,972,867 km (0.101 R)
• M26: 38,735,227 km (0.076 R)
• M27: 45,310,801 km (0.099 R)
• M28: 48,767,709 km (0.074 R)
• M29: 54,376,432 km (0.091 R)
• M30: 62,355,983 km (0.1 R)
• M31: 69,416,254 km (0.076 R)
• M32: 74,242,880 km (0.053 R)
• M33: 80,584,633 km (0.07 R)
• M34: 94,331,929 km (0.116 R)
• M35: 95,494,754 km (0.062 R)
• M36: 99,940,204 km (0.077 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit