🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.49 AU - 0.51 AU

Year: 154 Days

Day: 14 Hours

Environment

Temp: 90 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,352,861 km

• M1: 11,070 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.67 AU - 0.77 AU

Year: 267 Days

Day: 42.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.86 AU - 1.42 AU

Year: 531 Days

Day: 27.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.91 AU - 1.51 AU

Year: 581 Days

Day: 47.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,352,861 km

• M1: 42,037 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.68 AU - 2.5 AU

Year: 1319 Days

Day: 12.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 9.9

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.15 AU - 3.27 AU

Year: 2511 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,352,861 km

• M1: 123,717 km (0.036 R)
• M2: 645,664 km (0.076 R)
• M3: 1,189,602 km (0.083 R)
• M4: 1,682,078 km (0.101 R)
• M5: 2,057,569 km (0.087 R)
• M6: 2,547,053 km (0.117 R)
• M7: 3,722,444 km (0.03 R)
• M8: 4,137,279 km (0.071 R)
• M9: 4,627,062 km (0.08 R)
• M10: 5,495,777 km (0.08 R)
• M11: 7,963,244 km (0.051 R)
• M12: 10,733,647 km (0.118 R)
• M13: 11,049,897 km (0.103 R)
• M14: 12,292,008 km (0.108 R)
• M15: 13,260,505 km (0.084 R)
• M16: 14,278,818 km (0.079 R)
• M17: 14,710,258 km (0.091 R)
• M18: 16,680,761 km (0.108 R)
• M19: 18,821,357 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 11.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.85 AU - 8.41 AU

Year: 10120 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,352,861 km

• M1: 138,528 km (0.111 R)
• M2: 497,712 km (0.066 R)
• M3: 873,652 km (0.096 R)
• M4: 1,270,535 km (0.044 R)
• M5: 1,669,811 km (0.045 R)
• M6: 2,061,608 km (0.076 R)
• M7: 3,602,616 km (0.058 R)
• M8: 4,215,518 km (0.041 R)
• M9: 5,264,050 km (0.076 R)
• M10: 5,990,946 km (0.11 R)
• M11: 6,887,486 km (0.09 R)
• M12: 9,155,240 km (0.112 R)
• M13: 9,583,838 km (0.077 R)
• M14: 10,527,801 km (0.113 R)
• M15: 14,068,034 km (0.117 R)
• M16: 15,768,364 km (0.119 R)
• M17: 16,447,837 km (0.071 R)
• M18: 17,470,937 km (0.043 R)
• M19: 18,672,058 km (0.089 R)
• M20: 19,856,275 km (0.071 R)
• M21: 24,111,736 km (0.067 R)
• M22: 24,683,200 km (0.038 R)
• M23: 28,303,468 km (0.108 R)
• M24: 32,164,889 km (0.102 R)

Asteroid Belt

Center: 9.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.6

Radius: 5.5

Gravity: 17.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.48 AU - 10.4 AU

Year: 13681 Days

Day: 21.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,352,861 km

• M1: 92,302 km (0.045 R)
• M2: 571,165 km (0.101 R)
• M3: 979,118 km (0.073 R)
• M4: 2,183,231 km (0.117 R)
• M5: 3,094,432 km (0.107 R)
• M6: 4,265,035 km (0.103 R)
• M7: 4,884,370 km (0.111 R)
• M8: 5,561,750 km (0.118 R)
• M9: 7,397,166 km (0.111 R)
• M10: 9,859,248 km (0.074 R)
• M11: 12,089,453 km (0.108 R)
• M12: 12,757,108 km (0.094 R)
• M13: 13,642,129 km (0.097 R)
• M14: 15,114,322 km (0.107 R)
• M15: 18,213,242 km (0.065 R)
• M16: 22,605,136 km (0.052 R)
• M17: 31,785,508 km (0.061 R)
• M18: 33,878,682 km (0.106 R)
• M19: 39,378,498 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 14,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit