🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.55 AU - 0.71 AU

Year: 193 Days

Day: 36.9 Hours

Environment

Temp: 109 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.65 AU - 0.87 AU

Year: 255 Days

Day: 39.9 Hours

Environment

Temp: 99 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.35 AU

Year: 450 Days

Day: 41.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 24,062,842 km

• M1: 196,721 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.53 AU - 3.83 AU

Year: 2183 Days

Day: 18.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 14.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.4 AU - 4.94 AU

Year: 3278 Days

Day: 9 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,062,842 km

• M1: 179,069 km (0.073 R)
• M2: 1,527,245 km (0.083 R)
• M3: 2,647,583 km (0.12 R)
• M4: 3,162,798 km (0.082 R)
• M5: 4,561,688 km (0.109 R)
• M6: 5,334,959 km (0.065 R)
• M7: 5,795,272 km (0.04 R)
• M8: 6,581,110 km (0.082 R)
• M9: 7,637,270 km (0.113 R)
• M10: 8,878,035 km (0.111 R)
• M11: 17,462,111 km (0.091 R)
• M12: 20,381,812 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 9

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.35 AU - 5.81 AU

Year: 5075 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,062,842 km

• M1: 114,442 km (0.074 R)
• M2: 480,359 km (0.101 R)
• M3: 824,135 km (0.106 R)
• M4: 1,219,073 km (0.112 R)
• M5: 1,562,550 km (0.103 R)
• M6: 2,057,270 km (0.083 R)
• M7: 2,350,183 km (0.084 R)
• M8: 2,635,914 km (0.107 R)
• M9: 2,926,284 km (0.084 R)
• M10: 5,961,026 km (0.086 R)
• M11: 6,660,995 km (0.116 R)
• M12: 7,886,052 km (0.074 R)
• M13: 9,050,372 km (0.119 R)
• M14: 10,913,763 km (0.099 R)
• M15: 11,286,711 km (0.081 R)
• M16: 11,764,825 km (0.029 R)
• M17: 16,391,139 km (0.065 R)
• M18: 17,633,400 km (0.073 R)
• M19: 18,277,419 km (0.057 R)
• M20: 22,852,571 km (0.08 R)
• M21: 25,606,967 km (0.073 R)
• M22: 27,791,096 km (0.084 R)
• M23: 29,553,658 km (0.075 R)
• M24: 30,279,058 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 10.6

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.41 AU - 7.11 AU

Year: 5322 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,062,842 km

• M1: 133,142 km (0.106 R)
• M2: 692,339 km (0.115 R)
• M3: 1,180,776 km (0.03 R)
• M4: 1,768,097 km (0.1 R)
• M5: 2,370,677 km (0.099 R)
• M6: 2,720,886 km (0.118 R)
• M7: 3,549,060 km (0.108 R)
• M8: 4,034,355 km (0.042 R)
• M9: 4,407,752 km (0.089 R)
• M10: 5,608,574 km (0.113 R)
• M11: 6,806,105 km (0.115 R)
• M12: 7,157,211 km (0.075 R)
• M13: 10,605,442 km (0.117 R)
• M14: 11,814,641 km (0.099 R)
• M15: 12,426,796 km (0.081 R)
• M16: 14,912,065 km (0.069 R)
• M17: 16,615,985 km (0.079 R)
• M18: 16,997,310 km (0.083 R)
• M19: 19,620,509 km (0.031 R)
• M20: 23,923,243 km (0.109 R)
• M21: 25,486,840 km (0.111 R)
• M22: 27,558,022 km (0.116 R)
• M23: 28,999,547 km (0.078 R)
• M24: 31,448,464 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 12.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.53 AU - 13.01 AU

Year: 13608 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,062,842 km

• M1: 197,020 km (0.119 R)
• M2: 601,533 km (0.065 R)
• M3: 1,164,171 km (0.118 R)
• M4: 1,574,817 km (0.113 R)
• M5: 2,124,439 km (0.12 R)
• M6: 4,797,005 km (0.051 R)
• M7: 5,529,736 km (0.113 R)
• M8: 6,021,165 km (0.118 R)
• M9: 12,350,800 km (0.055 R)
• M10: 12,814,404 km (0.1 R)
• M11: 13,925,019 km (0.072 R)
• M12: 14,941,985 km (0.103 R)
• M13: 18,530,389 km (0.119 R)
• M14: 19,510,106 km (0.11 R)
• M15: 20,203,492 km (0.118 R)
• M16: 20,978,558 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 17,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit