🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.44 AU - 0.72 AU

Year: 157 Days

Day: 41 Hours

Environment

Temp: 250 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.39 AU - 1.57 AU

Year: 639 Days

Day: 28.7 Hours

Environment

Temp: -3 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.07 AU - 2.33 AU

Year: 1158 Days

Day: 18.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.19 AU - 2.85 AU

Year: 1419 Days

Day: 45 Hours

Environment

Temp: -88 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 8.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.15 AU - 8.55 AU

Year: 8560 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,460,284 km

• M1: 108,159 km (0.115 R)
• M2: 431,141 km (0.047 R)
• M3: 797,656 km (0.114 R)
• M4: 1,729,052 km (0.114 R)
• M5: 2,359,308 km (0.09 R)
• M6: 2,916,710 km (0.044 R)
• M7: 3,537,391 km (0.119 R)
• M8: 4,218,211 km (0.051 R)
• M9: 4,550,618 km (0.064 R)
• M10: 5,473,786 km (0.08 R)
• M11: 7,538,087 km (0.116 R)
• M12: 8,341,727 km (0.083 R)
• M13: 9,371,409 km (0.111 R)
• M14: 12,032,755 km (0.059 R)
• M15: 13,728,896 km (0.103 R)
• M16: 15,760,136 km (0.103 R)
• M17: 16,815,698 km (0.079 R)
• M18: 18,587,835 km (0.088 R)
• M19: 21,139,974 km (0.071 R)
• M20: 22,345,733 km (0.12 R)
• M21: 24,077,927 km (0.09 R)
• M22: 29,901,922 km (0.111 R)
• M23: 32,591,392 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 10.2

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.53 AU - 8.73 AU

Year: 8994 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,460,284 km

• M1: 126,859 km (0.113 R)
• M2: 471,084 km (0.118 R)
• M3: 2,106,488 km (0.072 R)
• M4: 3,011,555 km (0.107 R)
• M5: 3,602,616 km (0.103 R)
• M6: 4,528,776 km (0.078 R)
• M7: 5,743,661 km (0.093 R)
• M8: 9,371,708 km (0.118 R)
• M9: 9,862,539 km (0.102 R)
• M10: 11,056,629 km (0.053 R)
• M11: 11,604,756 km (0.072 R)
• M12: 12,402,711 km (0.096 R)
• M13: 14,235,135 km (0.073 R)
• M14: 16,593,246 km (0.093 R)
• M15: 17,022,143 km (0.051 R)
• M16: 17,385,217 km (0.089 R)
• M17: 20,315,840 km (0.095 R)
• M18: 21,474,026 km (0.097 R)
• M19: 26,452,045 km (0.102 R)
• M20: 26,939,585 km (0.067 R)
• M21: 28,133,974 km (0.077 R)
• M22: 30,308,678 km (0.081 R)
• M23: 35,695,997 km (0.077 R)
• M24: 40,646,789 km (0.089 R)
• M25: 47,026,539 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 11.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 11.17 AU - 14.15 AU

Year: 15980 Days

Day: 10.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,460,284 km

• M1: 141,520 km (0.1 R)
• M2: 597,643 km (0.102 R)
• M3: 1,255,725 km (0.12 R)
• M4: 1,605,185 km (0.093 R)
• M5: 2,112,472 km (0.119 R)
• M6: 3,608,151 km (0.108 R)
• M7: 4,836,499 km (0.043 R)
• M8: 7,229,168 km (0.088 R)
• M9: 8,868,760 km (0.116 R)
• M10: 9,423,020 km (0.051 R)
• M11: 10,554,279 km (0.109 R)
• M12: 11,177,055 km (0.053 R)
• M13: 11,622,558 km (0.07 R)
• M14: 15,502,977 km (0.063 R)
• M15: 18,409,215 km (0.058 R)
• M16: 22,198,678 km (0.087 R)
• M17: 29,276,303 km (0.118 R)
• M18: 34,194,184 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.8

Radius: 6.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 12.88 AU - 19.12 AU

Year: 22705 Days

Day: 19 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,460,284 km

• M1: 90,806 km (0.119 R)
• M2: 861,085 km (0.117 R)
• M3: 1,847,534 km (0.113 R)
• M4: 3,036,837 km (0.065 R)
• M5: 3,438,806 km (0.067 R)
• M6: 4,613,449 km (0.076 R)
• M7: 11,960,350 km (0.099 R)
• M8: 12,375,185 km (0.058 R)
• M9: 16,234,810 km (0.111 R)
• M10: 16,487,780 km (0.11 R)
• M11: 19,732,707 km (0.074 R)
• M12: 21,656,685 km (0.074 R)
• M13: 29,560,988 km (0.104 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 16,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit