🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.88 AU

Year: 215 Days

Day: 42 Hours

Environment

Temp: 192 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.72 AU - 0.94 AU

Year: 278 Days

Day: 24.3 Hours

Environment

Temp: 119 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.89 AU - 1.31 AU

Year: 424 Days

Day: 14.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.97 AU - 1.45 AU

Year: 489 Days

Day: 39 Hours

Environment

Temp: -0 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,970,820 km

• M1: 40,242 km (0.071 R)
• M2: 341,233 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.96 AU - 1.54 AU

Year: 513 Days

Day: 26.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 45.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.78 AU - 4.06 AU

Year: 2322 Days

Day: 43.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 11.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.05 AU - 9.51 AU

Year: 7966 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,970,820 km

• M1: 212,130 km (0.099 R)
• M2: 582,684 km (0.098 R)
• M3: 998,117 km (0.112 R)
• M4: 1,453,792 km (0.069 R)
• M5: 2,274,935 km (0.033 R)
• M6: 2,647,733 km (0.111 R)
• M7: 3,166,389 km (0.098 R)
• M8: 4,071,605 km (0.086 R)
• M9: 4,571,561 km (0.076 R)
• M10: 5,291,725 km (0.063 R)
• M11: 6,564,504 km (0.062 R)
• M12: 7,068,051 km (0.086 R)
• M13: 7,951,576 km (0.112 R)
• M14: 8,608,460 km (0.052 R)
• M15: 9,891,112 km (0.089 R)
• M16: 11,399,059 km (0.099 R)
• M17: 12,832,805 km (0.042 R)
• M18: 13,911,405 km (0.116 R)
• M19: 14,443,076 km (0.062 R)
• M20: 15,172,964 km (0.115 R)
• M21: 15,736,350 km (0.114 R)
• M22: 16,905,158 km (0.097 R)
• M23: 19,196,848 km (0.081 R)
• M24: 20,606,508 km (0.102 R)
• M25: 20,988,731 km (0.101 R)
• M26: 22,163,822 km (0.114 R)
• M27: 22,645,826 km (0.077 R)
• M28: 24,049,952 km (0.092 R)
• M29: 29,181,907 km (0.104 R)
• M30: 35,435,696 km (0.093 R)
• M31: 38,353,154 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.3

Radius: 3.1

Gravity: 77.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.74 AU - 20.1 AU

Year: 25549 Days

Day: 16.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 91,970,820 km

• M1: 38,596 km (0.075 R)
• M2: 136,134 km (0.09 R)
• M3: 514,617 km (0.096 R)
• M4: 679,174 km (0.096 R)
• M5: 952,190 km (0.061 R)
• M6: 1,071,869 km (0.096 R)
• M7: 1,341,444 km (0.039 R)
• M8: 1,730,099 km (0.092 R)
• M9: 1,950,457 km (0.093 R)
• M10: 2,303,957 km (0.094 R)
• M11: 4,508,880 km (0.057 R)
• M12: 5,747,401 km (0.049 R)
• M13: 7,658,065 km (0.091 R)
• M14: 7,923,152 km (0.113 R)
• M15: 8,085,167 km (0.061 R)
• M16: 8,584,524 km (0.09 R)
• M17: 8,755,515 km (0.102 R)
• M18: 9,583,240 km (0.108 R)
• M19: 9,767,245 km (0.108 R)
• M20: 10,142,137 km (0.044 R)
• M21: 13,647,814 km (0.095 R)
• M22: 14,595,217 km (0.11 R)
• M23: 20,700,905 km (0.065 R)
• M24: 23,135,610 km (0.078 R)
• M25: 23,577,672 km (0.097 R)
• M26: 27,812,339 km (0.1 R)
• M27: 27,936,654 km (0.098 R)
• M28: 34,209,293 km (0.1 R)
• M29: 37,746,684 km (0.089 R)
• M30: 39,760,720 km (0.049 R)
• M31: 49,076,329 km (0.05 R)
• M32: 59,126,763 km (0.1 R)
• M33: 61,625,945 km (0.052 R)
• M34: 63,115,940 km (0.111 R)
• M35: 63,330,763 km (0.087 R)
• M36: 64,194,840 km (0.045 R)
• M37: 67,729,538 km (0.051 R)
• M38: 69,316,024 km (0.068 R)
• M39: 76,152,646 km (0.03 R)
• M40: 83,166,543 km (0.115 R)
• M41: 88,970,342 km (0.103 R)
• M42: 90,053,729 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 14,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit