🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.43 AU - 0.59 AU

Year: 136 Days

Day: 19.1 Hours

Environment

Temp: 194 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.55 AU - 0.71 AU

Year: 186 Days

Day: 13.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.56 AU - 0.84 AU

Year: 218 Days

Day: 39.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,358,420 km

• M1: 36,053 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.93 AU - 0.97 AU

Year: 345 Days

Day: 36.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.52 AU - 1.68 AU

Year: 754 Days

Day: 37 Hours

Environment

Temp: -47 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.86 AU

Year: 762 Days

Day: 14.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.77 AU - 2.61 AU

Year: 1208 Days

Day: 16.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 15

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.33 AU - 11.27 AU

Year: 11437 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,358,420 km

• M1: 186,549 km (0.055 R)
• M2: 724,203 km (0.066 R)
• M3: 1,442,871 km (0.113 R)
• M4: 3,849,452 km (0.109 R)
• M5: 4,897,535 km (0.106 R)
• M6: 7,383,702 km (0.113 R)
• M7: 8,611,153 km (0.115 R)
• M8: 9,451,444 km (0.093 R)
• M9: 10,023,805 km (0.103 R)
• M10: 18,182,574 km (0.091 R)
• M11: 23,567,349 km (0.091 R)
• M12: 26,519,514 km (0.076 R)
• M13: 27,661,245 km (0.103 R)
• M14: 33,746,736 km (0.116 R)
• M15: 38,528,333 km (0.109 R)
• M16: 48,332,978 km (0.067 R)
• M17: 54,054,049 km (0.083 R)

Asteroid Belt

Center: 12.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.4

Radius: 3.9

Gravity: 55.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 14.22 AU - 17.24 AU

Year: 23257 Days

Day: 16.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,358,420 km

• M1: 55,650 km (0.107 R)
• M2: 224,846 km (0.11 R)
• M3: 454,179 km (0.066 R)
• M4: 593,006 km (0.093 R)
• M5: 1,205,609 km (0.068 R)
• M6: 1,376,600 km (0.101 R)
• M7: 1,786,797 km (0.044 R)
• M8: 2,009,847 km (0.11 R)
• M9: 3,413,375 km (0.107 R)
• M10: 3,692,823 km (0.114 R)
• M11: 4,810,918 km (0.092 R)
• M12: 7,636,971 km (0.035 R)
• M13: 11,957,807 km (0.053 R)
• M14: 12,673,632 km (0.115 R)
• M15: 15,073,781 km (0.108 R)
• M16: 18,785,453 km (0.033 R)
• M17: 21,364,222 km (0.086 R)
• M18: 21,571,863 km (0.117 R)
• M19: 22,202,867 km (0.112 R)
• M20: 24,169,331 km (0.114 R)
• M21: 24,735,559 km (0.097 R)
• M22: 27,332,129 km (0.105 R)
• M23: 31,963,380 km (0.098 R)
• M24: 34,179,673 km (0.079 R)
• M25: 36,201,039 km (0.116 R)
• M26: 44,069,438 km (0.069 R)
• M27: 47,335,309 km (0.099 R)
• M28: 48,399,250 km (0.03 R)
• M29: 54,537,101 km (0.085 R)
• M30: 56,099,351 km (0.063 R)
• M31: 61,173,561 km (0.063 R)
• M32: 62,435,270 km (0.113 R)
• M33: 68,103,383 km (0.1 R)
• M34: 69,458,441 km (0.104 R)
• M35: 69,685,979 km (0.112 R)
• M36: 71,756,563 km (0.118 R)
• M37: 82,471,960 km (0.065 R)
• M38: 89,548,089 km (0.116 R)
• M39: 90,358,460 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 18,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit