🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.39 AU - 0.63 AU

Year: 133 Days

Day: 15.6 Hours

Environment

Temp: 229 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.6 AU - 0.96 AU

Year: 252 Days

Day: 33.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.85 AU - 0.85 AU

Year: 286 Days

Day: 34.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,844,040 km

• M1: 26,030 km (0.052 R)
• M2: 131,048 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.95 AU - 1.37 AU

Year: 456 Days

Day: 27.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.1 AU - 2.8 AU

Year: 1401 Days

Day: 45.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.06 AU - 3.26 AU

Year: 1585 Days

Day: 17.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,844,040 km

• M1: 227,838 km (0.072 R)

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 10.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.12 AU - 6.64 AU

Year: 4558 Days

Day: 10 Hours

Environment

Temp: -135 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,844,040 km

• M1: 132,693 km (0.045 R)
• M2: 511,176 km (0.114 R)
• M3: 1,275,172 km (0.087 R)
• M4: 1,747,453 km (0.096 R)
• M5: 2,154,060 km (0.1 R)
• M6: 2,860,461 km (0.045 R)
• M7: 3,412,477 km (0.099 R)
• M8: 3,787,968 km (0.067 R)
• M9: 4,270,870 km (0.039 R)
• M10: 5,015,867 km (0.114 R)
• M11: 5,455,236 km (0.057 R)
• M12: 6,708,268 km (0.093 R)
• M13: 7,329,398 km (0.081 R)
• M14: 9,880,191 km (0.071 R)
• M15: 10,535,131 km (0.11 R)
• M16: 12,716,567 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.1

Radius: 4.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 14.19 AU - 15.37 AU

Year: 20754 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,844,040 km

• M1: 69,862 km (0.104 R)
• M2: 326,423 km (0.054 R)
• M3: 638,633 km (0.113 R)
• M4: 1,954,945 km (0.047 R)
• M5: 2,293,485 km (0.1 R)
• M6: 3,197,206 km (0.116 R)
• M7: 6,601,006 km (0.107 R)
• M8: 9,009,083 km (0.094 R)
• M9: 10,511,644 km (0.078 R)
• M10: 11,278,483 km (0.105 R)
• M11: 14,720,281 km (0.065 R)
• M12: 15,301,169 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.8

Radius: 3.1

Gravity: 74.8 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.34 AU - 18.56 AU

Year: 22181 Days

Day: 24.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,844,040 km

• M1: 40,391 km (0.089 R)
• M2: 208,240 km (0.079 R)
• M3: 417,378 km (0.1 R)
• M4: 1,427,762 km (0.087 R)
• M5: 1,741,918 km (0.112 R)
• M6: 2,252,046 km (0.1 R)
• M7: 3,123,903 km (0.118 R)
• M8: 3,264,525 km (0.117 R)
• M9: 3,650,038 km (0.118 R)
• M10: 5,064,786 km (0.101 R)
• M11: 5,829,530 km (0.118 R)
• M12: 7,335,532 km (0.114 R)
• M13: 7,534,048 km (0.072 R)
• M14: 8,690,589 km (0.032 R)
• M15: 9,082,236 km (0.118 R)
• M16: 9,543,895 km (0.068 R)
• M17: 10,830,138 km (0.094 R)
• M18: 13,890,611 km (0.085 R)
• M19: 14,973,550 km (0.094 R)
• M20: 15,945,487 km (0.117 R)
• M21: 22,154,996 km (0.09 R)
• M22: 22,361,740 km (0.081 R)
• M23: 23,414,610 km (0.095 R)
• M24: 25,618,486 km (0.112 R)
• M25: 26,190,249 km (0.078 R)
• M26: 29,053,851 km (0.067 R)
• M27: 29,425,752 km (0.103 R)
• M28: 31,463,574 km (0.118 R)
• M29: 31,593,874 km (0.065 R)
• M30: 33,593,249 km (0.108 R)
• M31: 34,554,565 km (0.08 R)
• M32: 39,637,153 km (0.083 R)
• M33: 41,020,185 km (0.11 R)
• M34: 41,175,767 km (0.032 R)
• M35: 41,802,133 km (0.057 R)
• M36: 42,753,725 km (0.101 R)
• M37: 46,197,767 km (0.089 R)
• M38: 52,523,962 km (0.09 R)
• M39: 54,378,377 km (0.084 R)
• M40: 75,379,375 km (0.029 R)
• M41: 81,362,392 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 10,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit