🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 151 Days

Day: 30.4 Hours

Environment

Temp: 161 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,176,134 km

• M1: 35,604 km (0.086 R)
• M2: 318,943 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.78 AU - 0.8 AU

Year: 260 Days

Day: 44.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.01 AU - 1.47 AU

Year: 512 Days

Day: 36.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 104.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,176,134 km

• M1: 286,779 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.75 AU - 2.17 AU

Year: 1018 Days

Day: 45.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.15 AU - 4.37 AU

Year: 3261 Days

Day: 16 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 13.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.69 AU - 6.41 AU

Year: 4849 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,176,134 km

• M1: 169,046 km (0.064 R)
• M2: 646,412 km (0.069 R)
• M3: 1,114,803 km (0.095 R)
• M4: 2,060,561 km (0.116 R)
• M5: 2,532,094 km (0.119 R)
• M6: 3,001,532 km (0.093 R)
• M7: 3,447,483 km (0.057 R)
• M8: 4,258,902 km (0.111 R)
• M9: 5,060,148 km (0.078 R)
• M10: 5,497,273 km (0.081 R)
• M11: 6,479,533 km (0.096 R)
• M12: 6,963,332 km (0.086 R)
• M13: 7,859,274 km (0.074 R)
• M14: 8,908,703 km (0.074 R)
• M15: 9,386,070 km (0.108 R)
• M16: 10,832,681 km (0.112 R)
• M17: 12,325,369 km (0.079 R)
• M18: 13,480,264 km (0.106 R)
• M19: 15,037,728 km (0.05 R)
• M20: 16,414,776 km (0.117 R)
• M21: 18,443,622 km (0.115 R)
• M22: 19,221,232 km (0.111 R)
• M23: 21,261,149 km (0.045 R)
• M24: 22,699,083 km (0.12 R)
• M25: 23,895,118 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.8

Radius: 13.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.73 AU - 7.57 AU

Year: 7090 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,176,134 km

• M1: 191,635 km (0.049 R)
• M2: 802,593 km (0.06 R)
• M3: 1,284,896 km (0.101 R)
• M4: 1,823,149 km (0.075 R)
• M5: 2,690,069 km (0.075 R)
• M6: 4,055,897 km (0.106 R)
• M7: 4,676,280 km (0.119 R)
• M8: 5,816,515 km (0.105 R)
• M9: 11,394,271 km (0.116 R)
• M10: 12,633,989 km (0.12 R)
• M11: 14,152,258 km (0.097 R)
• M12: 17,548,578 km (0.098 R)
• M13: 20,336,634 km (0.085 R)
• M14: 20,766,728 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 15

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.92 AU - 11.16 AU

Year: 10080 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,176,134 km

• M1: 186,848 km (0.117 R)
• M2: 909,256 km (0.045 R)
• M3: 1,495,530 km (0.09 R)
• M4: 2,226,166 km (0.106 R)
• M5: 2,854,028 km (0.089 R)
• M6: 3,449,876 km (0.059 R)
• M7: 4,500,502 km (0.113 R)
• M8: 5,582,394 km (0.094 R)
• M9: 6,831,686 km (0.052 R)
• M10: 7,480,941 km (0.032 R)
• M11: 9,093,307 km (0.106 R)
• M12: 9,779,362 km (0.092 R)
• M13: 11,200,243 km (0.048 R)
• M14: 12,997,213 km (0.069 R)
• M15: 16,432,429 km (0.096 R)
• M16: 17,156,482 km (0.117 R)
• M17: 18,053,471 km (0.115 R)
• M18: 18,824,498 km (0.094 R)
• M19: 20,598,430 km (0.047 R)
• M20: 22,130,911 km (0.102 R)
• M21: 22,835,816 km (0.075 R)
• M22: 24,013,450 km (0.057 R)
• M23: 26,686,764 km (0.114 R)
• M24: 27,586,745 km (0.086 R)
• M25: 29,447,294 km (0.082 R)
• M26: 35,053,175 km (0.037 R)
• M27: 36,375,470 km (0.108 R)
• M28: 36,864,506 km (0.069 R)
• M29: 38,231,980 km (0.109 R)
• M30: 45,158,062 km (0.092 R)
• M31: 46,292,911 km (0.026 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit