🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.78 AU

Year: 217 Days

Day: 47.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,429,520 km

• M1: 37,699 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.75 AU - 1.13 AU

Year: 338 Days

Day: 22.8 Hours

Environment

Temp: 27 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.21 AU - 1.21 AU

Year: 494 Days

Day: 29.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.48 AU - 4.14 AU

Year: 2758 Days

Day: 41.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.33 AU - 5.21 AU

Year: 3272 Days

Day: 33.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.98 AU - 4.7 AU

Year: 3353 Days

Day: 22.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 10.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.57 AU - 7.71 AU

Year: 7831 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,429,520 km

• M1: 128,056 km (0.083 R)
• M2: 1,875,509 km (0.039 R)
• M3: 2,274,037 km (0.114 R)
• M4: 2,609,735 km (0.093 R)
• M5: 3,423,098 km (0.101 R)
• M6: 3,823,123 km (0.077 R)
• M7: 5,862,890 km (0.112 R)
• M8: 6,344,595 km (0.115 R)
• M9: 7,842,818 km (0.084 R)
• M10: 8,964,802 km (0.089 R)
• M11: 9,564,390 km (0.086 R)
• M12: 11,067,550 km (0.105 R)
• M13: 17,053,409 km (0.075 R)
• M14: 18,099,398 km (0.086 R)
• M15: 21,564,683 km (0.102 R)
• M16: 24,745,582 km (0.053 R)
• M17: 25,606,967 km (0.057 R)
• M18: 26,407,315 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687

Radius: 3.4

Gravity: 59.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 11.27 AU - 13.63 AU

Year: 16291 Days

Day: 24.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,429,520 km

• M1: 43,383 km (0.119 R)
• M2: 156,928 km (0.112 R)
• M3: 374,294 km (0.075 R)
• M4: 614,249 km (0.063 R)
• M5: 758,910 km (0.105 R)
• M6: 948,600 km (0.06 R)
• M7: 1,054,815 km (0.05 R)
• M8: 1,209,050 km (0.112 R)
• M9: 1,799,064 km (0.032 R)
• M10: 2,117,259 km (0.083 R)
• M11: 2,427,973 km (0.114 R)
• M12: 3,323,915 km (0.058 R)
• M13: 4,718,915 km (0.085 R)
• M14: 5,582,544 km (0.116 R)
• M15: 7,247,418 km (0.117 R)
• M16: 12,531,814 km (0.066 R)
• M17: 12,795,255 km (0.087 R)
• M18: 13,676,836 km (0.111 R)
• M19: 19,215,248 km (0.063 R)
• M20: 19,565,457 km (0.114 R)
• M21: 22,813,077 km (0.097 R)
• M22: 23,205,771 km (0.044 R)
• M23: 24,615,282 km (0.089 R)
• M24: 25,762,100 km (0.097 R)
• M25: 34,673,794 km (0.108 R)
• M26: 34,932,599 km (0.113 R)
• M27: 35,453,947 km (0.115 R)
• M28: 35,980,532 km (0.068 R)
• M29: 37,591,551 km (0.092 R)
• M30: 43,307,836 km (0.111 R)
• M31: 50,069,809 km (0.082 R)
• M32: 59,700,022 km (0.095 R)
• M33: 63,100,980 km (0.085 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 12,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit