🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.41 AU - 0.59 AU

Year: 228 Days

Day: 32.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,937,333 km

• M1: 498,610 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 12.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 551 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,937,333 km

• M1: 170,990 km (0.093 R)
• M2: 612,603 km (0.088 R)
• M3: 1,134,849 km (0.057 R)
• M4: 1,578,407 km (0.089 R)
• M5: 2,071,931 km (0.111 R)
• M6: 3,352,787 km (0.104 R)
• M7: 3,749,970 km (0.066 R)
• M8: 4,440,364 km (0.069 R)
• M9: 5,404,821 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1 AU - 1.24 AU

Year: 765 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,937,333 km

• M1: 113,395 km (0.09 R)
• M2: 396,434 km (0.119 R)
• M3: 792,570 km (0.093 R)
• M4: 1,125,275 km (0.031 R)
• M5: 1,551,928 km (0.087 R)
• M6: 1,850,974 km (0.108 R)
• M7: 2,408,975 km (0.119 R)
• M8: 2,895,018 km (0.112 R)
• M9: 3,288,610 km (0.119 R)
• M10: 3,745,631 km (0.036 R)
• M11: 4,138,176 km (0.105 R)
• M12: 4,639,030 km (0.059 R)
• M13: 5,092,461 km (0.096 R)
• M14: 5,875,606 km (0.037 R)
• M15: 6,549,993 km (0.106 R)
• M16: 7,498,144 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 10.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.4 AU - 1.82 AU

Year: 1319 Days

Day: 6.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,937,333 km

• M1: 131,646 km (0.103 R)
• M2: 537,505 km (0.078 R)
• M3: 882,029 km (0.098 R)
• M4: 1,461,122 km (0.117 R)
• M5: 2,279,872 km (0.112 R)
• M6: 2,714,453 km (0.06 R)
• M7: 3,531,557 km (0.103 R)
• M8: 4,342,976 km (0.108 R)
• M9: 4,879,135 km (0.106 R)
• M10: 5,355,753 km (0.111 R)
• M11: 6,472,352 km (0.085 R)
• M12: 7,147,936 km (0.116 R)
• M13: 7,606,603 km (0.101 R)
• M14: 8,030,713 km (0.081 R)
• M15: 8,984,699 km (0.118 R)
• M16: 9,338,946 km (0.094 R)
• M17: 10,554,878 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 13.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.51 AU - 1.87 AU

Year: 1419 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,937,333 km

• M1: 168,597 km (0.077 R)
• M2: 612,005 km (0.099 R)
• M3: 2,945,582 km (0.116 R)
• M4: 3,465,135 km (0.117 R)
• M5: 4,478,362 km (0.107 R)
• M6: 4,910,101 km (0.115 R)
• M7: 5,352,911 km (0.099 R)
• M8: 6,113,616 km (0.102 R)
• M9: 6,646,783 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 12.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.91 AU - 1.99 AU

Year: 1758 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,937,333 km

• M1: 154,235 km (0.102 R)
• M2: 736,470 km (0.105 R)
• M3: 2,036,625 km (0.103 R)
• M4: 3,139,162 km (0.102 R)
• M5: 3,661,557 km (0.066 R)
• M6: 4,098,982 km (0.112 R)
• M7: 4,742,402 km (0.089 R)
• M8: 5,319,700 km (0.093 R)
• M9: 5,823,097 km (0.112 R)
• M10: 8,365,363 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 14.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.01 AU - 3.01 AU

Year: 2568 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,937,333 km

• M1: 184,005 km (0.1 R)
• M2: 672,293 km (0.105 R)
• M3: 1,365,679 km (0.112 R)
• M4: 2,080,308 km (0.112 R)
• M5: 2,754,097 km (0.069 R)
• M6: 7,832,795 km (0.101 R)
• M7: 10,357,708 km (0.058 R)
• M8: 10,819,516 km (0.099 R)
• M9: 11,826,310 km (0.064 R)
• M10: 12,850,756 km (0.057 R)
• M11: 13,841,094 km (0.074 R)
• M12: 14,449,808 km (0.085 R)
• M13: 14,978,786 km (0.102 R)
• M14: 15,470,813 km (0.1 R)
• M15: 18,151,009 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.2

Radius: 12.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.51 AU - 4.18 AU

Year: 3941 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 130.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,937,333 km

• M1: 156,180 km (0.084 R)
• M2: 837,299 km (0.09 R)
• M3: 1,395,150 km (0.104 R)
• M4: 2,524,165 km (0.091 R)
• M5: 4,636,337 km (0.107 R)
• M6: 5,236,823 km (0.066 R)
• M7: 6,352,674 km (0.116 R)
• M8: 7,202,389 km (0.043 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 9.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.58 AU - 4.06 AU

Year: 4821 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,937,333 km

• M1: 115,789 km (0.091 R)
• M2: 742,604 km (0.088 R)
• M3: 1,398,441 km (0.066 R)
• M4: 1,956,142 km (0.112 R)
• M5: 2,259,377 km (0.105 R)
• M6: 2,879,310 km (0.051 R)
• M7: 3,627,898 km (0.098 R)
• M8: 4,110,800 km (0.093 R)
• M9: 4,590,560 km (0.082 R)
• M10: 5,010,481 km (0.116 R)
• M11: 5,430,552 km (0.039 R)
• M12: 7,796,293 km (0.082 R)
• M13: 9,798,511 km (0.118 R)
• M14: 11,818,381 km (0.103 R)
• M15: 13,434,487 km (0.099 R)
• M16: 15,193,010 km (0.069 R)
• M17: 15,916,615 km (0.097 R)
• M18: 17,265,539 km (0.084 R)
• M19: 18,456,488 km (0.067 R)

Asteroid Belt

Center: 6.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.3

Radius: 5.8

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.11 AU - 9.55 AU

Year: 16942 Days

Day: 16.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,937,333 km

• M1: 72,106 km (0.078 R)
• M2: 296,653 km (0.073 R)
• M3: 1,135,448 km (0.064 R)
• M4: 3,210,670 km (0.113 R)
• M5: 4,360,628 km (0.117 R)
• M6: 4,896,189 km (0.064 R)
• M7: 6,135,308 km (0.075 R)
• M8: 6,445,424 km (0.064 R)
• M9: 9,165,413 km (0.106 R)
• M10: 9,519,661 km (0.12 R)
• M11: 9,935,543 km (0.117 R)
• M12: 11,958,854 km (0.114 R)
• M13: 24,114,728 km (0.075 R)
• M14: 41,617,828 km (0.084 R)
• M15: 48,577,121 km (0.077 R)
• M16: 50,430,639 km (0.113 R)
• M17: 51,216,626 km (0.117 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: 275 - 10,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit