🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.53 AU - 0.63 AU

Year: 185 Days

Day: 19.5 Hours

Environment

Temp: 140 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,202,860 km

• M1: 307,274 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.64 AU - 0.66 AU

Year: 220 Days

Day: 22.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.66 AU - 0.82 AU

Year: 267 Days

Day: 35.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.66 AU - 1.1 AU

Year: 346 Days

Day: 19.1 Hours

Environment

Temp: -23 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,202,860 km

• M1: 48,470 km (0.098 R)
• M2: 245,341 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.99 AU - 1.02 AU

Year: 419 Days

Day: 40.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,202,860 km

• M1: 99,632 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.41 AU - 1.69 AU

Year: 809 Days

Day: 29.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.81 AU - 3.17 AU

Year: 2166 Days

Day: 12.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,202,860 km

• M1: 160,668 km (0.103 R)
• M2: 573,259 km (0.105 R)
• M3: 956,828 km (0.089 R)
• M4: 1,291,179 km (0.119 R)
• M5: 1,674,449 km (0.1 R)
• M6: 2,195,798 km (0.097 R)
• M7: 3,244,778 km (0.091 R)
• M8: 3,726,333 km (0.116 R)
• M9: 4,215,668 km (0.026 R)
• M10: 4,683,909 km (0.119 R)
• M11: 5,277,663 km (0.099 R)
• M12: 5,749,495 km (0.087 R)
• M13: 7,685,142 km (0.106 R)
• M14: 9,029,578 km (0.053 R)
• M15: 9,533,723 km (0.119 R)
• M16: 11,312,441 km (0.09 R)
• M17: 12,670,192 km (0.064 R)
• M18: 13,131,851 km (0.042 R)
• M19: 13,604,879 km (0.028 R)
• M20: 14,223,167 km (0.108 R)
• M21: 15,563,414 km (0.118 R)
• M22: 15,947,582 km (0.075 R)
• M23: 16,535,651 km (0.108 R)

Asteroid Belt

Center: 3.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 8.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.25 AU - 5.01 AU

Year: 3516 Days

Day: 6.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,202,860 km

• M1: 116,986 km (0.048 R)
• M2: 513,420 km (0.105 R)
• M3: 898,934 km (0.076 R)
• M4: 2,524,464 km (0.101 R)
• M5: 2,819,321 km (0.086 R)
• M6: 3,120,013 km (0.098 R)
• M7: 4,260,099 km (0.103 R)
• M8: 5,553,671 km (0.08 R)
• M9: 6,083,397 km (0.117 R)
• M10: 7,152,125 km (0.111 R)
• M11: 8,409,046 km (0.072 R)
• M12: 11,606,252 km (0.12 R)
• M13: 15,278,730 km (0.055 R)
• M14: 18,596,362 km (0.119 R)
• M15: 19,540,175 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 13

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.8 AU - 4.74 AU

Year: 3697 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,202,860 km

• M1: 162,314 km (0.048 R)
• M2: 671,096 km (0.034 R)
• M3: 1,103,135 km (0.041 R)
• M4: 1,613,114 km (0.079 R)
• M5: 2,879,460 km (0.114 R)
• M6: 3,483,386 km (0.049 R)
• M7: 4,678,225 km (0.119 R)
• M8: 5,200,770 km (0.056 R)
• M9: 5,986,458 km (0.117 R)
• M10: 6,423,134 km (0.047 R)
• M11: 8,281,140 km (0.113 R)
• M12: 8,936,229 km (0.117 R)
• M13: 9,391,904 km (0.086 R)
• M14: 11,638,415 km (0.075 R)
• M15: 13,767,492 km (0.106 R)
• M16: 14,531,638 km (0.072 R)
• M17: 15,377,764 km (0.119 R)
• M18: 16,200,701 km (0.109 R)
• M19: 16,822,580 km (0.119 R)
• M20: 19,094,223 km (0.11 R)
• M21: 19,980,591 km (0.116 R)
• M22: 21,294,210 km (0.119 R)
• M23: 21,699,171 km (0.084 R)
• M24: 23,086,841 km (0.082 R)
• M25: 24,385,500 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit