🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.64 AU - 1.04 AU

Year: 286 Days

Day: 39.4 Hours

Environment

Temp: 157 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.14 AU - 1.22 AU

Year: 475 Days

Day: 15.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.23 AU - 1.65 AU

Year: 641 Days

Day: 39.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,954,474 km

• M1: 134,189 km (0.108 R)
• M2: 859,739 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.95 AU - 2.93 AU

Year: 1413 Days

Day: 24.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 14.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.55 AU - 5.89 AU

Year: 3803 Days

Day: 5 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,954,474 km

• M1: 179,218 km (0.088 R)
• M2: 737,518 km (0.088 R)
• M3: 1,190,799 km (0.085 R)
• M4: 1,914,105 km (0.117 R)
• M5: 3,186,734 km (0.071 R)
• M6: 3,732,766 km (0.102 R)
• M7: 4,615,094 km (0.073 R)
• M8: 5,758,471 km (0.094 R)
• M9: 7,062,216 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 10.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.7 AU - 7.28 AU

Year: 5437 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,954,474 km

• M1: 137,331 km (0.119 R)
• M2: 548,426 km (0.112 R)
• M3: 996,771 km (0.106 R)
• M4: 1,405,322 km (0.094 R)
• M5: 1,787,545 km (0.095 R)
• M6: 2,374,567 km (0.05 R)
• M7: 3,186,584 km (0.098 R)
• M8: 3,837,335 km (0.077 R)
• M9: 4,235,864 km (0.077 R)
• M10: 5,116,846 km (0.041 R)
• M11: 5,551,278 km (0.033 R)
• M12: 5,984,064 km (0.101 R)
• M13: 8,041,035 km (0.064 R)
• M14: 10,762,819 km (0.091 R)
• M15: 12,740,652 km (0.1 R)
• M16: 13,092,506 km (0.094 R)
• M17: 14,852,974 km (0.081 R)
• M18: 17,188,945 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 14.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.37 AU - 7.01 AU

Year: 6417 Days

Day: 14.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,954,474 km

• M1: 202,855 km (0.037 R)
• M2: 1,165,517 km (0.068 R)
• M3: 2,129,675 km (0.108 R)
• M4: 2,739,735 km (0.095 R)
• M5: 3,398,415 km (0.119 R)
• M6: 4,290,766 km (0.111 R)
• M7: 6,506,610 km (0.051 R)
• M8: 7,303,817 km (0.075 R)
• M9: 7,923,900 km (0.1 R)
• M10: 10,568,342 km (0.119 R)
• M11: 13,353,854 km (0.074 R)
• M12: 15,008,257 km (0.102 R)
• M13: 16,077,283 km (0.084 R)
• M14: 17,948,154 km (0.089 R)
• M15: 18,508,398 km (0.109 R)
• M16: 19,370,531 km (0.065 R)
• M17: 21,020,745 km (0.1 R)
• M18: 25,466,644 km (0.036 R)
• M19: 28,095,826 km (0.031 R)
• M20: 31,910,423 km (0.102 R)
• M21: 32,837,481 km (0.113 R)
• M22: 35,836,768 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.4

Radius: 5.5

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.46 AU - 20.08 AU

Year: 27780 Days

Day: 19.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,954,474 km

• M1: 68,366 km (0.046 R)
• M2: 256,710 km (0.095 R)
• M3: 462,856 km (0.118 R)
• M4: 1,003,503 km (0.112 R)
• M5: 1,252,583 km (0.097 R)
• M6: 1,801,906 km (0.119 R)
• M7: 2,214,048 km (0.068 R)
• M8: 2,386,834 km (0.079 R)
• M9: 4,145,207 km (0.045 R)
• M10: 5,696,238 km (0.112 R)
• M11: 7,549,307 km (0.042 R)
• M12: 8,506,434 km (0.111 R)
• M13: 9,151,201 km (0.069 R)
• M14: 9,598,648 km (0.067 R)
• M15: 10,002,114 km (0.034 R)
• M16: 10,476,937 km (0.106 R)
• M17: 10,658,848 km (0.046 R)
• M18: 13,936,837 km (0.071 R)
• M19: 17,829,673 km (0.068 R)
• M20: 18,176,141 km (0.036 R)
• M21: 18,882,692 km (0.062 R)
• M22: 20,824,472 km (0.075 R)
• M23: 23,614,921 km (0.095 R)
• M24: 24,991,371 km (0.12 R)
• M25: 26,308,730 km (0.116 R)
• M26: 26,645,026 km (0.099 R)
• M27: 26,870,919 km (0.055 R)
• M28: 27,441,186 km (0.076 R)
• M29: 28,136,068 km (0.07 R)
• M30: 28,724,138 km (0.05 R)
• M31: 57,247,814 km (0.112 R)
• M32: 57,624,053 km (0.068 R)
• M33: 63,466,298 km (0.117 R)
• M34: 63,869,165 km (0.12 R)
• M35: 71,634,940 km (0.057 R)
• M36: 74,282,524 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit