🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.57 AU - 0.59 AU

Year: 158 Days

Day: 31.6 Hours

Environment

Temp: 252 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,768,958 km

• M1: 42,935 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.93 AU

Year: 237 Days

Day: 47 Hours

Environment

Temp: 191 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.74 AU - 1.24 AU

Year: 353 Days

Day: 42.7 Hours

Environment

Temp: 77 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,768,958 km

• M1: 89,160 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.9 AU - 1.26 AU

Year: 402 Days

Day: 38 Hours

Environment

Temp: 15 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.04 AU - 1.48 AU

Year: 507 Days

Day: 28.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 46.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 5.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 11.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.76 AU - 12.86 AU

Year: 11857 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,768,958 km

• M1: 140,472 km (0.044 R)
• M2: 556,205 km (0.077 R)
• M3: 1,441,375 km (0.066 R)
• M4: 1,822,551 km (0.059 R)
• M5: 2,289,147 km (0.093 R)
• M6: 2,937,653 km (0.062 R)
• M7: 5,734,535 km (0.103 R)
• M8: 9,769,040 km (0.095 R)
• M9: 12,671,688 km (0.111 R)
• M10: 15,973,612 km (0.1 R)
• M11: 16,778,598 km (0.105 R)
• M12: 19,506,515 km (0.119 R)
• M13: 29,543,934 km (0.056 R)
• M14: 34,592,413 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.2

Radius: 4.8

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.27 AU - 15.77 AU

Year: 16826 Days

Day: 23.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,768,958 km

• M1: 59,690 km (0.094 R)
• M2: 280,646 km (0.094 R)
• M3: 776,862 km (0.117 R)
• M4: 927,956 km (0.098 R)
• M5: 1,123,181 km (0.076 R)
• M6: 1,290,880 km (0.064 R)
• M7: 1,793,529 km (0.071 R)
• M8: 2,459,090 km (0.033 R)
• M9: 3,432,822 km (0.057 R)
• M10: 4,870,757 km (0.033 R)
• M11: 6,104,640 km (0.119 R)
• M12: 6,627,036 km (0.111 R)
• M13: 7,310,250 km (0.065 R)
• M14: 8,324,972 km (0.113 R)
• M15: 10,292,782 km (0.098 R)
• M16: 11,503,478 km (0.11 R)
• M17: 12,298,740 km (0.073 R)
• M18: 12,614,242 km (0.053 R)
• M19: 13,327,076 km (0.079 R)
• M20: 22,457,632 km (0.087 R)
• M21: 29,893,993 km (0.055 R)
• M22: 32,336,926 km (0.081 R)
• M23: 43,006,246 km (0.069 R)
• M24: 44,172,212 km (0.108 R)
• M25: 50,801,941 km (0.034 R)
• M26: 50,963,507 km (0.107 R)
• M27: 55,286,436 km (0.114 R)
• M28: 57,186,628 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.4

Radius: 4.6

Gravity: 47.18 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 12.37 AU - 13.97 AU

Year: 17118 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,768,958 km

• M1: 57,296 km (0.104 R)
• M2: 212,728 km (0.083 R)
• M3: 918,980 km (0.092 R)
• M4: 1,078,601 km (0.065 R)
• M5: 1,519,765 km (0.075 R)
• M6: 1,673,402 km (0.11 R)
• M7: 2,093,173 km (0.084 R)
• M8: 2,799,425 km (0.106 R)
• M9: 3,836,138 km (0.057 R)
• M10: 4,321,434 km (0.083 R)
• M11: 4,810,320 km (0.071 R)
• M12: 4,956,477 km (0.067 R)
• M13: 5,181,472 km (0.081 R)
• M14: 6,409,820 km (0.078 R)
• M15: 7,044,713 km (0.098 R)
• M16: 7,474,358 km (0.07 R)
• M17: 9,947,062 km (0.09 R)
• M18: 12,024,078 km (0.085 R)
• M19: 14,830,983 km (0.088 R)
• M20: 15,377,165 km (0.084 R)
• M21: 15,855,878 km (0.075 R)
• M22: 16,262,336 km (0.058 R)
• M23: 18,045,542 km (0.111 R)
• M24: 18,757,927 km (0.114 R)
• M25: 20,910,042 km (0.088 R)
• M26: 21,995,225 km (0.092 R)
• M27: 23,117,509 km (0.062 R)
• M28: 25,144,859 km (0.078 R)
• M29: 27,056,570 km (0.103 R)
• M30: 28,942,251 km (0.086 R)
• M31: 29,794,211 km (0.115 R)
• M32: 39,104,285 km (0.048 R)
• M33: 42,126,012 km (0.114 R)
• M34: 49,314,040 km (0.115 R)
• M35: 55,583,538 km (0.106 R)
• M36: 57,277,434 km (0.116 R)
• M37: 62,162,852 km (0.045 R)
• M38: 63,578,796 km (0.119 R)
• M39: 69,674,610 km (0.12 R)
• M40: 73,198,837 km (0.097 R)
• M41: 76,378,539 km (0.068 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 19,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit