🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.46 AU - 0.62 AU

Year: 144 Days

Day: 40.9 Hours

Environment

Temp: 164 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,563,845 km

• M1: 151,692 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.68 AU - 0.8 AU

Year: 231 Days

Day: 17.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.9 AU - 1.08 AU

Year: 358 Days

Day: 28.3 Hours

Environment

Temp: 47 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 11

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6 AU - 6.52 AU

Year: 5692 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,563,845 km

• M1: 148,700 km (0.115 R)
• M2: 679,773 km (0.082 R)
• M3: 1,256,173 km (0.077 R)
• M4: 2,532,393 km (0.115 R)
• M5: 2,971,762 km (0.12 R)
• M6: 3,608,450 km (0.082 R)
• M7: 4,309,915 km (0.099 R)
• M8: 6,259,025 km (0.118 R)
• M9: 7,203,437 km (0.11 R)
• M10: 8,203,050 km (0.045 R)
• M11: 10,214,692 km (0.091 R)
• M12: 12,937,373 km (0.076 R)
• M13: 14,032,430 km (0.12 R)
• M14: 15,075,576 km (0.031 R)
• M15: 16,466,238 km (0.081 R)
• M16: 17,501,754 km (0.103 R)
• M17: 18,905,581 km (0.087 R)
• M18: 20,590,501 km (0.112 R)
• M19: 25,596,345 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 12.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.02 AU - 6.86 AU

Year: 5940 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,563,845 km

• M1: 160,219 km (0.101 R)
• M2: 610,509 km (0.08 R)
• M3: 1,289,833 km (0.058 R)
• M4: 1,784,553 km (0.08 R)
• M5: 2,475,695 km (0.088 R)
• M6: 3,962,848 km (0.117 R)
• M7: 5,914,950 km (0.08 R)
• M8: 6,344,745 km (0.062 R)
• M9: 6,795,483 km (0.117 R)
• M10: 7,304,864 km (0.109 R)
• M11: 8,076,789 km (0.106 R)
• M12: 9,204,308 km (0.064 R)
• M13: 9,602,538 km (0.072 R)
• M14: 11,822,121 km (0.08 R)
• M15: 12,293,355 km (0.096 R)
• M16: 12,831,907 km (0.049 R)
• M17: 13,898,241 km (0.11 R)
• M18: 14,542,259 km (0.117 R)
• M19: 16,593,994 km (0.113 R)
• M20: 17,859,443 km (0.051 R)
• M21: 22,278,564 km (0.082 R)
• M22: 23,323,954 km (0.1 R)
• M23: 26,836,063 km (0.096 R)
• M24: 28,390,534 km (0.064 R)
• M25: 35,212,048 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 12.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.54 AU - 9.9 AU

Year: 9358 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,563,845 km

• M1: 150,495 km (0.101 R)
• M2: 546,780 km (0.075 R)
• M3: 1,004,251 km (0.1 R)
• M4: 1,506,301 km (0.062 R)
• M5: 3,072,291 km (0.104 R)
• M6: 3,837,784 km (0.115 R)
• M7: 5,747,401 km (0.111 R)
• M8: 7,196,555 km (0.067 R)
• M9: 8,918,576 km (0.074 R)
• M10: 9,741,365 km (0.03 R)
• M11: 11,438,702 km (0.119 R)
• M12: 11,994,608 km (0.027 R)
• M13: 12,462,699 km (0.059 R)
• M14: 13,658,734 km (0.065 R)
• M15: 14,226,907 km (0.042 R)
• M16: 18,795,776 km (0.107 R)
• M17: 20,884,312 km (0.088 R)
• M18: 33,687,945 km (0.091 R)
• M19: 34,204,506 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.8

Radius: 14

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.07 AU - 12.31 AU

Year: 11822 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,563,845 km

• M1: 174,282 km (0.119 R)
• M2: 745,297 km (0.099 R)
• M3: 2,311,736 km (0.027 R)
• M4: 3,350,843 km (0.048 R)
• M5: 4,998,962 km (0.075 R)
• M6: 5,502,359 km (0.099 R)
• M7: 6,302,109 km (0.105 R)
• M8: 8,179,563 km (0.071 R)
• M9: 8,785,434 km (0.109 R)
• M10: 11,287,010 km (0.118 R)
• M11: 13,773,027 km (0.106 R)
• M12: 19,312,038 km (0.105 R)
• M13: 22,212,292 km (0.106 R)
• M14: 23,859,963 km (0.048 R)
• M15: 25,002,741 km (0.09 R)
• M16: 28,228,819 km (0.098 R)
• M17: 29,941,565 km (0.091 R)
• M18: 31,270,892 km (0.068 R)
• M19: 34,405,416 km (0.077 R)
• M20: 35,863,696 km (0.092 R)
• M21: 37,362,667 km (0.101 R)
• M22: 44,202,132 km (0.104 R)
• M23: 50,117,830 km (0.117 R)
• M24: 53,104,252 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 14.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.8 AU - 12.5 AU

Year: 12631 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,563,845 km

• M1: 181,462 km (0.092 R)
• M2: 687,253 km (0.093 R)
• M3: 2,551,242 km (0.095 R)
• M4: 3,789,464 km (0.11 R)
• M5: 4,827,523 km (0.104 R)
• M6: 5,530,035 km (0.098 R)
• M7: 6,012,039 km (0.089 R)
• M8: 6,749,557 km (0.092 R)
• M9: 7,755,752 km (0.098 R)
• M10: 10,116,257 km (0.096 R)
• M11: 12,744,392 km (0.072 R)
• M12: 13,713,637 km (0.117 R)
• M13: 15,799,031 km (0.106 R)
• M14: 17,496,518 km (0.075 R)
• M15: 24,034,693 km (0.104 R)
• M16: 25,513,618 km (0.091 R)
• M17: 29,998,412 km (0.074 R)
• M18: 33,039,737 km (0.101 R)
• M19: 34,634,899 km (0.109 R)
• M20: 35,099,999 km (0.05 R)
• M21: 40,623,751 km (0.082 R)
• M22: 42,586,774 km (0.118 R)
• M23: 45,024,920 km (0.076 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit