🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.61 AU - 0.67 AU

Year: 197 Days

Day: 13.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.71 AU - 0.75 AU

Year: 240 Days

Day: 45.8 Hours

Environment

Temp: 79 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,866,668 km

• M1: 45,777 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.9 AU - 0.92 AU

Year: 334 Days

Day: 42.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 12.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.1 AU - 5.38 AU

Year: 4618 Days

Day: 10.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,866,668 km

• M1: 155,133 km (0.094 R)
• M2: 772,374 km (0.111 R)
• M3: 1,504,955 km (0.065 R)
• M4: 2,065,797 km (0.117 R)
• M5: 2,566,501 km (0.115 R)
• M6: 3,175,813 km (0.11 R)
• M7: 4,075,495 km (0.112 R)
• M8: 8,148,297 km (0.067 R)
• M9: 8,610,405 km (0.077 R)
• M10: 9,351,064 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 10.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.61 AU - 6.73 AU

Year: 5901 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,866,668 km

• M1: 127,009 km (0.114 R)
• M2: 457,769 km (0.091 R)
• M3: 776,563 km (0.084 R)
• M4: 1,117,646 km (0.105 R)
• M5: 1,549,834 km (0.034 R)
• M6: 2,161,689 km (0.104 R)
• M7: 2,579,516 km (0.113 R)
• M8: 3,122,706 km (0.116 R)
• M9: 4,233,919 km (0.1 R)
• M10: 4,941,966 km (0.114 R)
• M11: 5,837,758 km (0.074 R)
• M12: 6,623,446 km (0.112 R)
• M13: 8,803,236 km (0.12 R)
• M14: 9,482,859 km (0.093 R)
• M15: 10,116,107 km (0.119 R)
• M16: 10,443,128 km (0.042 R)
• M17: 12,650,146 km (0.078 R)
• M18: 15,418,454 km (0.12 R)
• M19: 17,493,227 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 11.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.76 AU - 10.86 AU

Year: 10937 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,866,668 km

• M1: 146,756 km (0.097 R)
• M2: 522,246 km (0.08 R)
• M3: 958,773 km (0.085 R)
• M4: 1,389,615 km (0.103 R)
• M5: 2,472,404 km (0.058 R)
• M6: 3,150,232 km (0.112 R)
• M7: 3,898,072 km (0.111 R)
• M8: 5,393,153 km (0.105 R)
• M9: 7,202,090 km (0.117 R)
• M10: 9,616,450 km (0.053 R)
• M11: 15,332,585 km (0.078 R)
• M12: 20,021,281 km (0.115 R)
• M13: 20,794,553 km (0.117 R)
• M14: 22,400,636 km (0.075 R)
• M15: 23,743,875 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 10,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit