🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.5 AU - 0.64 AU

Year: 282 Days

Day: 33.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 143.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.51 AU - 0.83 AU

Year: 360 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,017,874 km

• M1: 55,351 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 10.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.76 AU - 0.92 AU

Year: 505 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,017,874 km

• M1: 129,402 km (0.096 R)
• M2: 454,628 km (0.074 R)
• M3: 959,670 km (0.067 R)
• M4: 1,534,575 km (0.045 R)
• M5: 2,456,995 km (0.115 R)
• M6: 2,803,015 km (0.096 R)
• M7: 3,681,454 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 10.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.27 AU - 1.61 AU

Year: 1134 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,017,874 km

• M1: 131,796 km (0.088 R)
• M2: 670,049 km (0.103 R)
• M3: 1,026,690 km (0.029 R)
• M4: 1,522,458 km (0.091 R)
• M5: 2,011,044 km (0.107 R)
• M6: 2,615,270 km (0.063 R)
• M7: 3,276,941 km (0.097 R)
• M8: 3,728,428 km (0.055 R)
• M9: 4,292,711 km (0.066 R)
• M10: 5,012,127 km (0.08 R)
• M11: 5,443,119 km (0.085 R)
• M12: 6,216,540 km (0.099 R)
• M13: 6,788,153 km (0.103 R)
• M14: 8,009,021 km (0.082 R)
• M15: 8,371,198 km (0.11 R)
• M16: 9,340,143 km (0.113 R)
• M17: 10,317,017 km (0.112 R)
• M18: 12,106,507 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 14.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.55 AU - 2.71 AU

Year: 2798 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,017,874 km

• M1: 184,155 km (0.07 R)
• M2: 1,056,759 km (0.032 R)
• M3: 1,700,928 km (0.072 R)
• M4: 2,250,102 km (0.096 R)
• M5: 2,728,516 km (0.082 R)
• M6: 3,610,844 km (0.115 R)
• M7: 4,823,634 km (0.037 R)
• M8: 6,344,446 km (0.09 R)
• M9: 9,280,154 km (0.086 R)
• M10: 9,753,632 km (0.097 R)
• M11: 11,233,753 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 13.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.29 AU - 3.25 AU

Year: 3024 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,017,874 km

• M1: 167,998 km (0.118 R)
• M2: 831,016 km (0.071 R)
• M3: 1,686,417 km (0.07 R)
• M4: 2,388,031 km (0.074 R)
• M5: 3,115,675 km (0.094 R)
• M6: 5,868,724 km (0.085 R)
• M7: 6,378,255 km (0.055 R)
• M8: 7,354,680 km (0.106 R)
• M9: 8,003,486 km (0.105 R)
• M10: 9,698,430 km (0.093 R)
• M11: 10,851,530 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 13

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.71 AU - 3.47 AU

Year: 3563 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,017,874 km

• M1: 161,715 km (0.09 R)
• M2: 590,612 km (0.113 R)
• M3: 1,650,065 km (0.118 R)
• M4: 2,128,479 km (0.074 R)
• M5: 2,535,834 km (0.108 R)
• M6: 3,313,892 km (0.082 R)
• M7: 4,699,168 km (0.086 R)
• M8: 5,647,918 km (0.11 R)
• M9: 7,338,972 km (0.06 R)
• M10: 8,138,423 km (0.065 R)
• M11: 8,765,837 km (0.113 R)
• M12: 9,267,289 km (0.112 R)
• M13: 9,869,720 km (0.076 R)
• M14: 11,377,367 km (0.117 R)
• M15: 12,068,509 km (0.05 R)
• M16: 12,738,707 km (0.05 R)
• M17: 13,332,910 km (0.055 R)
• M18: 14,311,280 km (0.086 R)
• M19: 15,226,819 km (0.101 R)
• M20: 16,066,662 km (0.061 R)
• M21: 16,760,646 km (0.04 R)
• M22: 18,899,297 km (0.104 R)
• M23: 24,460,598 km (0.118 R)
• M24: 26,321,147 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 12.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.15 AU - 3.45 AU

Year: 3933 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,017,874 km

• M1: 157,377 km (0.077 R)
• M2: 677,678 km (0.028 R)
• M3: 1,217,128 km (0.083 R)
• M4: 1,630,916 km (0.073 R)
• M5: 2,286,753 km (0.034 R)
• M6: 2,754,246 km (0.109 R)
• M7: 4,757,362 km (0.113 R)
• M8: 7,341,964 km (0.11 R)
• M9: 11,562,569 km (0.077 R)
• M10: 16,584,420 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.1

Radius: 10.3

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.7 AU - 3.7 AU

Year: 4669 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,017,874 km

• M1: 128,056 km (0.089 R)
• M2: 541,395 km (0.025 R)
• M3: 964,607 km (0.085 R)
• M4: 1,452,595 km (0.086 R)
• M5: 2,026,752 km (0.073 R)
• M6: 3,392,281 km (0.08 R)
• M7: 4,508,431 km (0.041 R)
• M8: 5,095,303 km (0.081 R)
• M9: 5,792,729 km (0.117 R)
• M10: 9,275,666 km (0.096 R)
• M11: 10,632,669 km (0.099 R)
• M12: 13,736,226 km (0.096 R)
• M13: 14,512,489 km (0.057 R)
• M14: 15,142,895 km (0.083 R)
• M15: 15,971,368 km (0.075 R)
• M16: 16,892,292 km (0.112 R)
• M17: 17,848,073 km (0.097 R)
• M18: 18,907,076 km (0.114 R)
• M19: 20,716,463 km (0.058 R)
• M20: 22,335,411 km (0.096 R)
• M21: 23,957,800 km (0.115 R)
• M22: 24,919,415 km (0.093 R)
• M23: 27,005,108 km (0.053 R)
• M24: 27,958,795 km (0.116 R)
• M25: 29,114,588 km (0.092 R)
• M26: 29,749,930 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357

Radius: 6.3

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.01 AU - 8.89 AU

Year: 16114 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,017,874 km

• M1: 80,484 km (0.083 R)
• M2: 343,028 km (0.105 R)
• M3: 2,610,632 km (0.118 R)
• M4: 3,780,637 km (0.106 R)
• M5: 5,131,057 km (0.067 R)
• M6: 5,574,615 km (0.06 R)
• M7: 7,826,811 km (0.111 R)
• M8: 11,513,351 km (0.083 R)
• M9: 11,859,820 km (0.057 R)
• M10: 12,392,538 km (0.085 R)
• M11: 12,941,113 km (0.118 R)
• M12: 14,751,547 km (0.044 R)
• M13: 15,160,248 km (0.115 R)
• M14: 15,367,591 km (0.062 R)
• M15: 15,858,421 km (0.089 R)
• M16: 17,697,279 km (0.118 R)
• M17: 20,252,410 km (0.105 R)
• M18: 20,842,424 km (0.084 R)
• M19: 21,530,724 km (0.118 R)
• M20: 23,225,967 km (0.094 R)
• M21: 23,593,828 km (0.086 R)
• M22: 24,816,342 km (0.11 R)
• M23: 25,394,687 km (0.078 R)
• M24: 28,631,387 km (0.08 R)
• M25: 29,267,477 km (0.119 R)
• M26: 30,898,842 km (0.058 R)
• M27: 33,399,669 km (0.056 R)
• M28: 34,939,181 km (0.062 R)
• M29: 41,167,389 km (0.091 R)
• M30: 50,671,192 km (0.049 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 11,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit