🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.49 AU - 0.53 AU

Year: 139 Days

Day: 36.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.74 AU - 1.02 AU

Year: 316 Days

Day: 33.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.88 AU - 1.2 AU

Year: 406 Days

Day: 22.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,391,579 km

• M1: 44,431 km (0.027 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.51 AU - 1.85 AU

Year: 834 Days

Day: 32.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 13.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.22 AU - 4.74 AU

Year: 3631 Days

Day: 9.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,391,579 km

• M1: 172,935 km (0.079 R)
• M2: 662,419 km (0.049 R)
• M3: 1,160,131 km (0.109 R)
• M4: 1,863,541 km (0.058 R)
• M5: 2,840,116 km (0.115 R)
• M6: 3,956,864 km (0.094 R)
• M7: 5,161,725 km (0.082 R)
• M8: 5,623,234 km (0.098 R)
• M9: 6,724,275 km (0.071 R)
• M10: 7,683,945 km (0.107 R)
• M11: 11,294,639 km (0.061 R)
• M12: 11,750,464 km (0.046 R)
• M13: 13,142,173 km (0.105 R)
• M14: 13,646,767 km (0.042 R)
• M15: 14,641,144 km (0.083 R)
• M16: 17,549,775 km (0.084 R)
• M17: 21,789,827 km (0.069 R)
• M18: 23,221,030 km (0.112 R)
• M19: 23,736,395 km (0.051 R)
• M20: 24,410,333 km (0.111 R)
• M21: 25,020,094 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 14.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.85 AU - 6.67 AU

Year: 5293 Days

Day: 9.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,391,579 km

• M1: 184,005 km (0.036 R)
• M2: 737,817 km (0.064 R)
• M3: 1,346,680 km (0.107 R)
• M4: 1,973,794 km (0.103 R)
• M5: 2,598,365 km (0.07 R)
• M6: 4,882,276 km (0.096 R)
• M7: 5,726,606 km (0.114 R)
• M8: 6,526,058 km (0.05 R)
• M9: 7,308,305 km (0.056 R)
• M10: 10,606,489 km (0.117 R)
• M11: 12,193,872 km (0.111 R)
• M12: 12,668,995 km (0.101 R)
• M13: 13,473,233 km (0.118 R)
• M14: 14,743,319 km (0.098 R)
• M15: 15,382,700 km (0.118 R)
• M16: 16,194,867 km (0.108 R)
• M17: 16,822,729 km (0.098 R)
• M18: 18,463,519 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.9

Radius: 4.6

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 16.11 AU - 18.39 AU

Year: 27432 Days

Day: 22.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,391,579 km

• M1: 57,296 km (0.037 R)
• M2: 224,846 km (0.109 R)
• M3: 428,299 km (0.08 R)
• M4: 613,800 km (0.114 R)
• M5: 1,000,660 km (0.114 R)
• M6: 1,894,956 km (0.095 R)
• M7: 3,622,662 km (0.065 R)
• M8: 4,188,142 km (0.089 R)
• M9: 5,044,141 km (0.061 R)
• M10: 5,492,336 km (0.118 R)
• M11: 6,704,528 km (0.077 R)
• M12: 9,103,479 km (0.107 R)
• M13: 10,787,802 km (0.093 R)
• M14: 11,668,335 km (0.079 R)
• M15: 13,494,775 km (0.064 R)
• M16: 14,117,252 km (0.072 R)
• M17: 14,922,088 km (0.118 R)
• M18: 15,503,276 km (0.089 R)
• M19: 16,013,405 km (0.1 R)
• M20: 16,359,574 km (0.11 R)
• M21: 17,067,023 km (0.059 R)
• M22: 21,118,582 km (0.101 R)
• M23: 23,035,379 km (0.069 R)
• M24: 26,482,563 km (0.109 R)
• M25: 28,454,413 km (0.113 R)
• M26: 29,996,019 km (0.066 R)
• M27: 42,540,249 km (0.108 R)
• M28: 47,866,232 km (0.099 R)
• M29: 51,340,792 km (0.118 R)
• M30: 56,163,828 km (0.059 R)
• M31: 57,971,419 km (0.108 R)
• M32: 60,441,280 km (0.056 R)
• M33: 67,369,008 km (0.067 R)
• M34: 78,723,486 km (0.025 R)
• M35: 79,723,398 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit