🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 12.5

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.63 AU - 0.79 AU

Year: 399 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,429,379 km

• M1: 155,432 km (0.089 R)
• M2: 652,696 km (0.093 R)
• M3: 1,119,890 km (0.116 R)
• M4: 1,762,263 km (0.081 R)
• M5: 2,476,144 km (0.062 R)
• M6: 3,247,770 km (0.099 R)
• M7: 3,703,146 km (0.031 R)
• M8: 4,339,535 km (0.073 R)
• M9: 5,695,640 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.4

Radius: 8.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.76 AU - 1.14 AU

Year: 617 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,429,379 km

• M1: 104,569 km (0.071 R)
• M2: 436,078 km (0.058 R)
• M3: 717,920 km (0.036 R)
• M4: 1,003,203 km (0.096 R)
• M5: 1,378,544 km (0.107 R)
• M6: 2,086,890 km (0.03 R)
• M7: 2,552,738 km (0.086 R)
• M8: 3,822,674 km (0.104 R)
• M9: 4,092,699 km (0.099 R)
• M10: 4,917,581 km (0.112 R)
• M11: 5,554,569 km (0.094 R)
• M12: 5,866,480 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 13.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.27 AU - 1.49 AU

Year: 1081 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,429,379 km

• M1: 173,534 km (0.092 R)
• M2: 813,364 km (0.108 R)
• M3: 1,458,130 km (0.114 R)
• M4: 2,160,642 km (0.098 R)
• M5: 3,011,704 km (0.077 R)
• M6: 4,519,651 km (0.073 R)
• M7: 5,154,395 km (0.092 R)
• M8: 5,936,193 km (0.104 R)
• M9: 6,747,462 km (0.084 R)
• M10: 7,500,538 km (0.096 R)
• M11: 8,033,256 km (0.096 R)
• M12: 9,056,057 km (0.114 R)
• M13: 11,222,982 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 10.9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.63 AU - 1.81 AU

Year: 1504 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,429,379 km

• M1: 135,536 km (0.077 R)
• M2: 541,694 km (0.111 R)
• M3: 1,197,232 km (0.047 R)
• M4: 2,012,241 km (0.031 R)
• M5: 2,781,174 km (0.119 R)
• M6: 4,055,897 km (0.104 R)
• M7: 8,089,056 km (0.063 R)
• M8: 8,875,791 km (0.109 R)
• M9: 9,287,933 km (0.096 R)
• M10: 10,993,499 km (0.111 R)
• M11: 11,358,368 km (0.066 R)
• M12: 11,731,166 km (0.034 R)
• M13: 12,778,800 km (0.116 R)
• M14: 13,761,359 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.2

Radius: 11.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.66 AU - 2.32 AU

Year: 1872 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,429,379 km

• M1: 140,472 km (0.099 R)
• M2: 631,004 km (0.114 R)
• M3: 1,022,053 km (0.116 R)
• M4: 1,414,298 km (0.108 R)
• M5: 2,346,742 km (0.107 R)
• M6: 2,765,317 km (0.102 R)
• M7: 3,170,428 km (0.109 R)
• M8: 3,772,559 km (0.115 R)
• M9: 4,350,904 km (0.094 R)
• M10: 5,568,631 km (0.066 R)
• M11: 6,144,583 km (0.038 R)
• M12: 6,680,891 km (0.075 R)
• M13: 7,701,598 km (0.112 R)
• M14: 8,113,889 km (0.109 R)
• M15: 8,823,432 km (0.077 R)
• M16: 9,209,694 km (0.031 R)
• M17: 10,724,223 km (0.097 R)
• M18: 11,090,289 km (0.093 R)
• M19: 12,842,828 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 9

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.1 AU - 2.64 AU

Year: 2433 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,429,379 km

• M1: 111,899 km (0.095 R)
• M2: 572,062 km (0.046 R)
• M3: 1,031,178 km (0.12 R)
• M4: 1,504,057 km (0.081 R)
• M5: 2,746,019 km (0.097 R)
• M6: 3,441,499 km (0.042 R)
• M7: 5,419,482 km (0.093 R)
• M8: 7,108,592 km (0.119 R)
• M9: 7,405,992 km (0.08 R)
• M10: 7,930,482 km (0.07 R)
• M11: 10,241,919 km (0.116 R)
• M12: 11,011,002 km (0.105 R)
• M13: 11,450,071 km (0.1 R)
• M14: 12,193,872 km (0.064 R)
• M15: 12,491,572 km (0.083 R)
• M16: 13,279,803 km (0.081 R)
• M17: 14,100,646 km (0.115 R)
• M18: 14,523,560 km (0.058 R)
• M19: 15,296,233 km (0.043 R)
• M20: 15,843,312 km (0.103 R)
• M21: 16,610,151 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.4

Radius: 4.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.19 AU - 9.75 AU

Year: 17915 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,429,379 km

• M1: 54,902 km (0.118 R)
• M2: 317,746 km (0.089 R)
• M3: 835,504 km (0.11 R)
• M4: 1,148,313 km (0.118 R)
• M5: 1,413,251 km (0.109 R)
• M6: 2,598,665 km (0.084 R)
• M7: 2,764,120 km (0.102 R)
• M8: 3,475,757 km (0.039 R)
• M9: 5,668,263 km (0.074 R)
• M10: 6,600,258 km (0.064 R)
• M11: 7,156,014 km (0.044 R)
• M12: 7,970,425 km (0.081 R)
• M13: 10,364,739 km (0.097 R)
• M14: 13,910,508 km (0.093 R)
• M15: 16,760,945 km (0.072 R)
• M16: 19,345,548 km (0.094 R)
• M17: 20,695,968 km (0.059 R)
• M18: 21,357,041 km (0.111 R)
• M19: 24,874,685 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit