🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.7 AU - 0.98 AU

Year: 290 Days

Day: 35.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,713,635 km

• M1: 48,171 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.27 AU - 1.89 AU

Year: 748 Days

Day: 13.9 Hours

Environment

Temp: -47 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,713,635 km

• M1: 128,654 km (0.039 R)
• M2: 455,077 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.59 AU - 3.61 AU

Year: 2056 Days

Day: 44.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.04 AU - 3.52 AU

Year: 2238 Days

Day: 16.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.41 AU - 3.91 AU

Year: 2638 Days

Day: 31.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 14.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.45 AU - 4.69 AU

Year: 3680 Days

Day: 12.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,713,635 km

• M1: 179,218 km (0.056 R)
• M2: 706,401 km (0.106 R)
• M3: 1,163,722 km (0.058 R)
• M4: 1,829,432 km (0.079 R)
• M5: 3,422,201 km (0.12 R)
• M6: 4,053,654 km (0.11 R)
• M7: 5,146,915 km (0.105 R)
• M8: 5,749,046 km (0.088 R)
• M9: 6,336,966 km (0.11 R)
• M10: 7,194,311 km (0.117 R)
• M11: 8,642,718 km (0.038 R)
• M12: 9,297,358 km (0.049 R)
• M13: 12,111,444 km (0.111 R)
• M14: 14,101,843 km (0.12 R)
• M15: 14,956,197 km (0.062 R)
• M16: 15,619,364 km (0.068 R)
• M17: 18,158,489 km (0.105 R)
• M18: 20,152,180 km (0.12 R)
• M19: 21,305,430 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 10.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.48 AU - 4.9 AU

Year: 3826 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,713,635 km

• M1: 133,441 km (0.093 R)
• M2: 499,058 km (0.066 R)
• M3: 1,161,029 km (0.11 R)
• M4: 1,585,887 km (0.057 R)
• M5: 2,058,915 km (0.082 R)
• M6: 2,790,299 km (0.109 R)
• M7: 3,179,703 km (0.103 R)
• M8: 3,545,021 km (0.113 R)
• M9: 3,895,678 km (0.113 R)
• M10: 4,988,491 km (0.03 R)
• M11: 5,511,186 km (0.09 R)
• M12: 5,898,644 km (0.088 R)
• M13: 9,450,696 km (0.054 R)
• M14: 10,170,411 km (0.098 R)
• M15: 12,175,621 km (0.077 R)
• M16: 12,834,899 km (0.111 R)
• M17: 13,418,929 km (0.103 R)
• M18: 14,224,962 km (0.108 R)
• M19: 18,014,875 km (0.059 R)
• M20: 23,492,550 km (0.077 R)
• M21: 24,366,651 km (0.041 R)
• M22: 25,337,840 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.8

Radius: 7.4

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 10.44 AU - 17.06 AU

Year: 19208 Days

Day: 21.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,713,635 km

• M1: 92,601 km (0.088 R)
• M2: 350,807 km (0.092 R)
• M3: 1,303,147 km (0.109 R)
• M4: 1,541,008 km (0.074 R)
• M5: 1,775,128 km (0.12 R)
• M6: 2,143,438 km (0.12 R)
• M7: 2,519,677 km (0.071 R)
• M8: 3,353,835 km (0.114 R)
• M9: 3,696,414 km (0.112 R)
• M10: 4,640,077 km (0.1 R)
• M11: 5,306,386 km (0.116 R)
• M12: 6,304,653 km (0.09 R)
• M13: 6,869,085 km (0.094 R)
• M14: 7,163,793 km (0.077 R)
• M15: 9,012,374 km (0.111 R)
• M16: 13,102,978 km (0.109 R)
• M17: 15,984,832 km (0.099 R)
• M18: 16,653,085 km (0.096 R)
• M19: 22,134,800 km (0.084 R)
• M20: 22,778,520 km (0.065 R)
• M21: 24,588,804 km (0.109 R)
• M22: 32,555,638 km (0.086 R)
• M23: 33,628,405 km (0.055 R)
• M24: 33,991,179 km (0.119 R)
• M25: 41,251,314 km (0.077 R)
• M26: 43,358,100 km (0.111 R)
• M27: 44,220,532 km (0.116 R)
• M28: 44,510,453 km (0.068 R)
• M29: 45,388,144 km (0.111 R)
• M30: 47,784,851 km (0.109 R)
• M31: 51,216,177 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.3

Radius: 6.8

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 11.76 AU - 18.82 AU

Year: 22524 Days

Day: 22.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,713,635 km

• M1: 85,271 km (0.096 R)
• M2: 540,647 km (0.111 R)
• M3: 1,262,606 km (0.106 R)
• M4: 1,588,281 km (0.07 R)
• M5: 3,607,403 km (0.118 R)
• M6: 4,773,369 km (0.093 R)
• M7: 5,319,850 km (0.098 R)
• M8: 6,127,230 km (0.1 R)
• M9: 7,771,759 km (0.099 R)
• M10: 8,695,376 km (0.087 R)
• M11: 10,564,901 km (0.047 R)
• M12: 15,406,935 km (0.079 R)
• M13: 35,239,125 km (0.05 R)
• M14: 50,779,651 km (0.117 R)
• M15: 52,640,948 km (0.075 R)
• M16: 53,970,573 km (0.108 R)
• M17: 63,697,277 km (0.114 R)
• M18: 68,971,201 km (0.057 R)
• M19: 73,347,387 km (0.051 R)
• M20: 75,483,495 km (0.116 R)
• M21: 75,963,704 km (0.109 R)
• M22: 82,647,887 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 15,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit