🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.51 AU - 0.63 AU

Year: 152 Days

Day: 28.8 Hours

Environment

Temp: 219 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,911,089 km

• M1: 219,460 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.47 AU - 0.69 AU

Year: 156 Days

Day: 14.7 Hours

Environment

Temp: 241 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.51 AU - 0.81 AU

Year: 189 Days

Day: 36.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.71 AU

Year: 194 Days

Day: 34.5 Hours

Environment

Temp: 211 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,911,089 km

• M1: 49,068 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.19 AU - 1.51 AU

Year: 554 Days

Day: 30.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.26 AU - 1.96 AU

Year: 721 Days

Day: 47.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.31 AU - 2.87 AU

Year: 1472 Days

Day: 35.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 80.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256

Radius: 4.2

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 13.53 AU - 17.79 AU

Year: 21882 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 111,911,089 km

• M1: 60,438 km (0.064 R)
• M2: 290,369 km (0.054 R)
• M3: 907,311 km (0.095 R)
• M4: 1,235,230 km (0.06 R)
• M5: 1,412,353 km (0.093 R)
• M6: 2,277,478 km (0.057 R)
• M7: 2,764,868 km (0.025 R)
• M8: 2,902,797 km (0.082 R)
• M9: 3,293,248 km (0.079 R)
• M10: 3,690,131 km (0.039 R)
• M11: 4,390,698 km (0.109 R)
• M12: 5,528,988 km (0.092 R)
• M13: 6,892,423 km (0.059 R)
• M14: 7,451,470 km (0.093 R)
• M15: 7,810,206 km (0.083 R)
• M16: 11,455,008 km (0.039 R)
• M17: 16,315,892 km (0.031 R)
• M18: 18,092,815 km (0.088 R)
• M19: 21,037,949 km (0.099 R)
• M20: 28,177,208 km (0.114 R)
• M21: 33,416,873 km (0.101 R)
• M22: 38,470,588 km (0.07 R)
• M23: 45,178,557 km (0.104 R)
• M24: 46,367,411 km (0.088 R)
• M25: 47,120,936 km (0.066 R)
• M26: 47,576,910 km (0.109 R)
• M27: 48,343,450 km (0.102 R)
• M28: 55,109,911 km (0.104 R)
• M29: 56,809,193 km (0.103 R)
• M30: 58,019,141 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.6

Radius: 6.1

Gravity: 25.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 16.2 AU - 22.52 AU

Year: 30079 Days

Day: 18.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 111,911,089 km

• M1: 102,475 km (0.054 R)
• M2: 357,240 km (0.048 R)
• M3: 654,939 km (0.068 R)
• M4: 867,368 km (0.104 R)
• M5: 1,996,533 km (0.085 R)
• M6: 2,860,162 km (0.12 R)
• M7: 4,356,140 km (0.104 R)
• M8: 4,748,536 km (0.098 R)
• M9: 6,261,120 km (0.087 R)
• M10: 6,658,900 km (0.105 R)
• M11: 7,505,026 km (0.046 R)
• M12: 8,011,415 km (0.044 R)
• M13: 11,612,984 km (0.052 R)
• M14: 12,289,914 km (0.091 R)
• M15: 14,650,718 km (0.113 R)
• M16: 19,194,454 km (0.097 R)
• M17: 24,718,655 km (0.034 R)
• M18: 26,988,054 km (0.106 R)
• M19: 27,248,504 km (0.073 R)
• M20: 35,395,754 km (0.101 R)
• M21: 36,021,821 km (0.058 R)
• M22: 36,496,196 km (0.104 R)
• M23: 37,296,096 km (0.071 R)
• M24: 38,765,147 km (0.051 R)
• M25: 39,263,158 km (0.099 R)
• M26: 55,005,791 km (0.078 R)
• M27: 59,509,734 km (0.116 R)
• M28: 60,617,057 km (0.079 R)
• M29: 67,073,851 km (0.109 R)
• M30: 69,242,571 km (0.112 R)
• M31: 72,708,604 km (0.039 R)
• M32: 76,028,929 km (0.114 R)
• M33: 86,029,696 km (0.111 R)
• M34: 89,163,622 km (0.066 R)
• M35: 92,964,455 km (0.038 R)
• M36: 93,558,508 km (0.09 R)
• M37: 95,658,114 km (0.094 R)
• M38: 107,605,898 km (0.063 R)
• M39: 108,260,987 km (0.117 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 15,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit