🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.53 AU - 0.75 AU

Year: 326 Days

Day: 47.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,968,652 km

• M1: 86,767 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 14.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.6 AU - 0.96 AU

Year: 438 Days

Day: 8.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 66 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,968,652 km

• M1: 184,155 km (0.053 R)
• M2: 659,577 km (0.116 R)
• M3: 1,211,743 km (0.069 R)
• M4: 1,743,563 km (0.054 R)
• M5: 2,569,792 km (0.094 R)
• M6: 3,507,621 km (0.097 R)
• M7: 4,125,909 km (0.109 R)
• M8: 4,633,196 km (0.077 R)
• M9: 5,600,944 km (0.091 R)
• M10: 6,318,266 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 9.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.81 AU - 1.09 AU

Year: 589 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,968,652 km

• M1: 119,379 km (0.119 R)
• M2: 778,807 km (0.101 R)
• M3: 1,244,205 km (0.098 R)
• M4: 1,731,895 km (0.034 R)
• M5: 2,381,149 km (0.076 R)
• M6: 3,302,822 km (0.049 R)
• M7: 3,993,066 km (0.108 R)
• M8: 4,684,807 km (0.097 R)
• M9: 5,107,720 km (0.081 R)
• M10: 5,711,198 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 10

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.96 AU - 1.12 AU

Year: 674 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,968,652 km

• M1: 124,316 km (0.041 R)
• M2: 633,996 km (0.092 R)
• M3: 968,497 km (0.116 R)
• M4: 1,671,756 km (0.101 R)
• M5: 3,792,156 km (0.091 R)
• M6: 4,464,300 km (0.08 R)
• M7: 5,796,469 km (0.114 R)
• M8: 7,048,304 km (0.113 R)
• M9: 7,555,740 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 9.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.02 AU - 1.1 AU

Year: 694 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,968,652 km

• M1: 114,442 km (0.04 R)
• M2: 472,580 km (0.102 R)
• M3: 848,220 km (0.033 R)
• M4: 1,178,532 km (0.029 R)
• M5: 1,527,394 km (0.119 R)
• M6: 2,009,698 km (0.103 R)
• M7: 2,659,701 km (0.071 R)
• M8: 3,034,294 km (0.088 R)
• M9: 3,637,472 km (0.071 R)
• M10: 3,980,949 km (0.05 R)
• M11: 4,388,154 km (0.112 R)
• M12: 5,414,695 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 13.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.06 AU - 5.96 AU

Year: 7130 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,968,652 km

• M1: 166,203 km (0.081 R)
• M2: 589,116 km (0.095 R)
• M3: 1,317,359 km (0.085 R)
• M4: 1,803,851 km (0.111 R)
• M5: 4,492,574 km (0.075 R)
• M6: 7,030,950 km (0.036 R)
• M7: 10,132,264 km (0.095 R)
• M8: 12,841,930 km (0.085 R)
• M9: 16,565,421 km (0.081 R)
• M10: 17,929,604 km (0.12 R)
• M11: 27,997,690 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.4

Radius: 5.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 10.15 AU - 11.93 AU

Year: 23323 Days

Day: 15 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,968,652 km

• M1: 69,264 km (0.07 R)
• M2: 243,695 km (0.115 R)
• M3: 506,838 km (0.032 R)
• M4: 780,901 km (0.1 R)
• M5: 1,059,153 km (0.104 R)
• M6: 3,350,544 km (0.079 R)
• M7: 4,115,288 km (0.047 R)
• M8: 5,022,898 km (0.079 R)
• M9: 5,386,870 km (0.057 R)
• M10: 6,130,371 km (0.073 R)
• M11: 7,862,714 km (0.107 R)
• M12: 10,206,614 km (0.039 R)
• M13: 11,339,967 km (0.113 R)
• M14: 11,565,112 km (0.081 R)
• M15: 11,850,545 km (0.1 R)
• M16: 13,411,599 km (0.058 R)
• M17: 14,635,608 km (0.099 R)
• M18: 16,500,496 km (0.105 R)
• M19: 17,752,630 km (0.107 R)
• M20: 19,626,343 km (0.059 R)
• M21: 20,862,021 km (0.105 R)
• M22: 22,767,001 km (0.112 R)
• M23: 23,945,533 km (0.115 R)
• M24: 25,069,013 km (0.087 R)
• M25: 26,129,362 km (0.084 R)
• M26: 42,210,535 km (0.065 R)
• M27: 44,401,695 km (0.11 R)
• M28: 46,093,946 km (0.072 R)
• M29: 48,416,603 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 19,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit