🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.57 AU - 0.75 AU

Year: 202 Days

Day: 43.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 44.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.7 AU - 1.06 AU

Year: 311 Days

Day: 30 Hours

Environment

Temp: 27 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.92 AU - 1.02 AU

Year: 360 Days

Day: 45.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.82 AU - 2.86 AU

Year: 1348 Days

Day: 21.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 13.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.48 AU - 12.66 AU

Year: 12946 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 95,876,733 km

• M1: 175,329 km (0.088 R)
• M2: 662,569 km (0.117 R)
• M3: 1,229,994 km (0.096 R)
• M4: 2,509,205 km (0.106 R)
• M5: 3,344,111 km (0.032 R)
• M6: 3,900,016 km (0.076 R)
• M7: 4,571,711 km (0.107 R)
• M8: 5,534,373 km (0.072 R)
• M9: 6,770,201 km (0.115 R)
• M10: 7,245,773 km (0.055 R)
• M11: 9,829,328 km (0.117 R)
• M12: 10,585,246 km (0.114 R)
• M13: 11,328,748 km (0.098 R)
• M14: 12,427,993 km (0.111 R)
• M15: 14,536,275 km (0.11 R)
• M16: 16,218,504 km (0.091 R)
• M17: 21,025,831 km (0.112 R)
• M18: 22,281,406 km (0.069 R)
• M19: 22,765,056 km (0.12 R)
• M20: 24,769,667 km (0.12 R)
• M21: 25,375,988 km (0.074 R)
• M22: 25,815,057 km (0.1 R)
• M23: 26,259,213 km (0.063 R)
• M24: 32,097,420 km (0.114 R)
• M25: 32,611,139 km (0.079 R)
• M26: 33,234,962 km (0.061 R)
• M27: 34,506,544 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.5

Radius: 4.2

Gravity: 19.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 10.12 AU - 14 AU

Year: 15778 Days

Day: 24.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,876,733 km

• M1: 52,359 km (0.096 R)
• M2: 185,352 km (0.117 R)
• M3: 531,521 km (0.092 R)
• M4: 690,245 km (0.097 R)
• M5: 1,015,470 km (0.093 R)
• M6: 1,288,636 km (0.112 R)
• M7: 2,487,214 km (0.102 R)
• M8: 3,339,922 km (0.078 R)
• M9: 3,805,321 km (0.09 R)
• M10: 4,582,632 km (0.092 R)
• M11: 8,476,963 km (0.105 R)
• M12: 9,789,685 km (0.057 R)
• M13: 10,361,298 km (0.071 R)
• M14: 11,065,156 km (0.112 R)
• M15: 13,620,437 km (0.074 R)
• M16: 15,970,470 km (0.117 R)
• M17: 18,265,900 km (0.076 R)
• M18: 20,856,486 km (0.112 R)
• M19: 24,994,214 km (0.117 R)
• M20: 27,968,369 km (0.117 R)
• M21: 28,174,665 km (0.032 R)
• M22: 28,590,247 km (0.062 R)
• M23: 29,969,091 km (0.034 R)
• M24: 34,252,976 km (0.099 R)
• M25: 36,050,544 km (0.116 R)
• M26: 40,355,970 km (0.044 R)
• M27: 43,042,000 km (0.057 R)
• M28: 44,009,599 km (0.1 R)
• M29: 44,991,560 km (0.109 R)
• M30: 46,275,558 km (0.067 R)
• M31: 47,730,397 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.3

Radius: 6.1

Gravity: 25.73 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 12.82 AU - 19.02 AU

Year: 23930 Days

Day: 16.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 160.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,876,733 km

• M1: 76,744 km (0.113 R)
• M2: 350,209 km (0.109 R)
• M3: 598,092 km (0.077 R)
• M4: 988,692 km (0.113 R)
• M5: 1,196,484 km (0.062 R)
• M6: 1,433,596 km (0.102 R)
• M7: 3,742,490 km (0.102 R)
• M8: 4,009,821 km (0.06 R)
• M9: 4,254,115 km (0.038 R)
• M10: 4,928,502 km (0.037 R)
• M11: 5,458,078 km (0.097 R)
• M12: 6,253,191 km (0.065 R)
• M13: 7,534,347 km (0.057 R)
• M14: 8,016,052 km (0.105 R)
• M15: 10,085,888 km (0.105 R)
• M16: 10,538,721 km (0.112 R)
• M17: 12,709,386 km (0.103 R)
• M18: 14,177,540 km (0.092 R)
• M19: 14,581,903 km (0.072 R)
• M20: 15,245,070 km (0.107 R)
• M21: 15,669,479 km (0.091 R)
• M22: 19,952,167 km (0.06 R)
• M23: 22,143,178 km (0.083 R)
• M24: 22,907,922 km (0.105 R)
• M25: 31,274,482 km (0.106 R)
• M26: 34,654,646 km (0.037 R)
• M27: 37,651,241 km (0.078 R)
• M28: 41,469,577 km (0.077 R)
• M29: 42,463,056 km (0.059 R)
• M30: 46,418,275 km (0.1 R)
• M31: 52,704,377 km (0.086 R)
• M32: 53,479,294 km (0.105 R)
• M33: 56,857,364 km (0.054 R)
• M34: 62,726,986 km (0.089 R)
• M35: 76,143,970 km (0.114 R)
• M36: 90,796,034 km (0.074 R)
• M37: 91,073,538 km (0.113 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: 328 - 14,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit