🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.58 AU - 0.92 AU

Year: 235 Days

Day: 44.6 Hours

Environment

Temp: 157 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.36 AU - 1.44 AU

Year: 599 Days

Day: 14.7 Hours

Environment

Temp: -20 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,823,360 km

• M1: 783,594 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.09 AU - 5.45 AU

Year: 3768 Days

Day: 17.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,823,360 km

• M1: 67,169 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.68 AU - 6.04 AU

Year: 3875 Days

Day: 40.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 10.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.49 AU - 6.45 AU

Year: 4627 Days

Day: 12 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,823,360 km

• M1: 128,056 km (0.094 R)
• M2: 968,048 km (0.052 R)
• M3: 1,724,714 km (0.116 R)
• M4: 2,384,740 km (0.105 R)
• M5: 3,896,725 km (0.093 R)
• M6: 4,546,429 km (0.091 R)
• M7: 5,780,462 km (0.096 R)
• M8: 6,351,776 km (0.093 R)
• M9: 7,974,165 km (0.095 R)
• M10: 8,412,187 km (0.109 R)
• M11: 8,928,001 km (0.091 R)
• M12: 10,637,755 km (0.094 R)
• M13: 13,189,446 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 12.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.23 AU - 6.61 AU

Year: 5883 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,823,360 km

• M1: 155,432 km (0.117 R)
• M2: 844,480 km (0.1 R)
• M3: 1,348,176 km (0.074 R)
• M4: 1,914,853 km (0.081 R)
• M5: 3,157,413 km (0.077 R)
• M6: 4,405,508 km (0.11 R)
• M7: 6,138,599 km (0.113 R)
• M8: 8,550,715 km (0.102 R)
• M9: 12,588,511 km (0.03 R)
• M10: 13,188,399 km (0.074 R)
• M11: 14,662,536 km (0.083 R)
• M12: 16,069,055 km (0.083 R)
• M13: 17,749,189 km (0.112 R)
• M14: 19,018,976 km (0.075 R)
• M15: 20,828,212 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 8.1

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.23 AU - 8.33 AU

Year: 6385 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,823,360 km

• M1: 100,679 km (0.099 R)
• M2: 870,360 km (0.037 R)
• M3: 1,584,092 km (0.113 R)
• M4: 1,860,698 km (0.111 R)
• M5: 2,137,305 km (0.087 R)
• M6: 2,697,998 km (0.075 R)
• M7: 3,353,087 km (0.107 R)
• M8: 3,960,155 km (0.059 R)
• M9: 4,212,227 km (0.09 R)
• M10: 5,270,483 km (0.101 R)
• M11: 6,024,306 km (0.084 R)
• M12: 7,138,960 km (0.083 R)
• M13: 7,552,000 km (0.06 R)
• M14: 9,234,228 km (0.036 R)
• M15: 9,589,373 km (0.097 R)
• M16: 9,953,794 km (0.054 R)
• M17: 10,565,499 km (0.068 R)
• M18: 11,052,889 km (0.094 R)
• M19: 11,657,414 km (0.072 R)
• M20: 14,774,136 km (0.106 R)
• M21: 15,632,229 km (0.095 R)
• M22: 16,009,964 km (0.118 R)
• M23: 16,393,832 km (0.084 R)
• M24: 16,653,085 km (0.118 R)
• M25: 18,475,636 km (0.098 R)
• M26: 23,156,703 km (0.115 R)
• M27: 24,650,887 km (0.098 R)
• M28: 25,162,960 km (0.091 R)
• M29: 26,563,047 km (0.089 R)
• M30: 28,853,689 km (0.068 R)
• M31: 29,709,539 km (0.104 R)
• M32: 34,668,559 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 13.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 10.76 AU - 13.32 AU

Year: 15109 Days

Day: 8.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,823,360 km

• M1: 168,298 km (0.069 R)
• M2: 899,382 km (0.073 R)
• M3: 1,762,562 km (0.068 R)
• M4: 2,852,083 km (0.093 R)
• M5: 3,865,160 km (0.106 R)
• M6: 4,973,830 km (0.108 R)
• M7: 5,479,920 km (0.091 R)
• M8: 6,836,772 km (0.086 R)
• M9: 12,862,874 km (0.107 R)
• M10: 13,625,673 km (0.059 R)
• M11: 28,985,335 km (0.101 R)
• M12: 38,876,597 km (0.025 R)
• M13: 40,068,294 km (0.106 R)
• M14: 44,216,643 km (0.099 R)
• M15: 54,006,926 km (0.074 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 19,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit