🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.5 AU - 0.56 AU

Year: 144 Days

Day: 32.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 356 Days

Day: 22.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.4 AU - 1.54 AU

Year: 664 Days

Day: 22 Hours

Environment

Temp: -49 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.96 AU - 3 AU

Year: 1456 Days

Day: 27.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,101,889 km

• M1: 35,903 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.68 AU - 3.88 AU

Year: 2214 Days

Day: 39.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.09 AU - 4.03 AU

Year: 2504 Days

Day: 17.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 8

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.54 AU - 10.66 AU

Year: 10233 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,101,889 km

• M1: 102,026 km (0.117 R)
• M2: 508,483 km (0.108 R)
• M3: 769,232 km (0.113 R)
• M4: 1,259,165 km (0.088 R)
• M5: 1,540,559 km (0.118 R)
• M6: 1,817,315 km (0.116 R)
• M7: 2,197,294 km (0.062 R)
• M8: 2,771,749 km (0.115 R)
• M9: 3,442,696 km (0.09 R)
• M10: 3,739,648 km (0.092 R)
• M11: 5,556,963 km (0.089 R)
• M12: 6,287,599 km (0.115 R)
• M13: 6,886,140 km (0.074 R)
• M14: 11,087,745 km (0.113 R)
• M15: 13,294,464 km (0.08 R)
• M16: 15,114,172 km (0.11 R)
• M17: 19,628,138 km (0.101 R)
• M18: 20,258,843 km (0.079 R)
• M19: 24,240,689 km (0.1 R)
• M20: 24,783,730 km (0.096 R)
• M21: 32,383,750 km (0.088 R)
• M22: 34,273,770 km (0.117 R)
• M23: 37,665,303 km (0.105 R)
• M24: 38,028,527 km (0.106 R)
• M25: 42,048,670 km (0.065 R)
• M26: 42,701,515 km (0.069 R)
• M27: 43,360,943 km (0.059 R)
• M28: 44,295,481 km (0.086 R)
• M29: 44,565,056 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.4

Radius: 3.4

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.22 AU - 16.22 AU

Year: 22135 Days

Day: 16.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,101,889 km

• M1: 67,020 km (0.089 R)
• M2: 303,833 km (0.099 R)
• M3: 7,516,395 km (0.108 R)
• M4: 14,374,710 km (0.114 R)
• M5: 18,535,625 km (0.092 R)
• M6: 18,885,385 km (0.073 R)
• M7: 24,172,174 km (0.12 R)
• M8: 24,673,775 km (0.115 R)
• M9: 27,195,995 km (0.069 R)
• M10: 32,542,474 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.3

Radius: 4.1

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 17.16 AU - 18.86 AU

Year: 28492 Days

Day: 24.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,101,889 km

• M1: 51,013 km (0.057 R)
• M2: 292,165 km (0.109 R)
• M3: 803,341 km (0.101 R)
• M4: 1,133,353 km (0.099 R)
• M5: 1,351,018 km (0.072 R)
• M6: 1,485,507 km (0.032 R)
• M7: 1,834,369 km (0.108 R)
• M8: 1,999,675 km (0.09 R)
• M9: 2,424,682 km (0.061 R)
• M10: 5,265,995 km (0.065 R)
• M11: 8,208,734 km (0.092 R)
• M12: 8,812,661 km (0.096 R)
• M13: 9,554,218 km (0.109 R)
• M14: 10,684,430 km (0.109 R)
• M15: 12,607,809 km (0.116 R)
• M16: 13,547,583 km (0.103 R)
• M17: 15,490,112 km (0.071 R)
• M18: 17,365,770 km (0.111 R)
• M19: 18,954,200 km (0.086 R)
• M20: 20,005,723 km (0.073 R)
• M21: 20,727,982 km (0.097 R)
• M22: 25,640,477 km (0.079 R)
• M23: 28,931,480 km (0.113 R)
• M24: 35,807,148 km (0.084 R)
• M25: 36,336,276 km (0.106 R)
• M26: 41,770,568 km (0.108 R)
• M27: 45,370,491 km (0.09 R)
• M28: 48,523,865 km (0.089 R)
• M29: 48,846,996 km (0.087 R)
• M30: 52,496,885 km (0.055 R)
• M31: 52,666,978 km (0.099 R)
• M32: 53,522,977 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit