🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.63 AU - 0.65 AU

Year: 326 Days

Day: 12.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 8.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.4 AU - 1.48 AU

Year: 1099 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,863,062 km

• M1: 109,356 km (0.112 R)
• M2: 392,246 km (0.079 R)
• M3: 668,254 km (0.05 R)
• M4: 955,781 km (0.065 R)
• M5: 1,370,316 km (0.064 R)
• M6: 1,702,424 km (0.029 R)
• M7: 1,984,266 km (0.1 R)
• M8: 2,338,813 km (0.1 R)
• M9: 2,925,835 km (0.051 R)
• M10: 3,607,852 km (0.101 R)
• M11: 3,986,783 km (0.101 R)
• M12: 4,790,124 km (0.115 R)
• M13: 5,563,994 km (0.116 R)
• M14: 6,111,223 km (0.055 R)
• M15: 6,823,308 km (0.115 R)
• M16: 8,537,999 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.45 AU - 1.77 AU

Year: 1299 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,863,062 km

• M1: 139,276 km (0.094 R)
• M2: 523,892 km (0.099 R)
• M3: 875,596 km (0.07 R)
• M4: 1,313,021 km (0.069 R)
• M5: 1,719,328 km (0.094 R)
• M6: 2,142,690 km (0.119 R)
• M7: 2,862,705 km (0.111 R)
• M8: 3,266,918 km (0.075 R)
• M9: 3,653,479 km (0.102 R)
• M10: 4,130,846 km (0.077 R)
• M11: 4,848,617 km (0.08 R)
• M12: 5,722,867 km (0.08 R)
• M13: 6,108,829 km (0.104 R)
• M14: 6,954,506 km (0.053 R)
• M15: 7,575,636 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 8.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.59 AU - 2.15 AU

Year: 1626 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,863,062 km

• M1: 150,645 km (0.101 R)
• M2: 476,020 km (0.092 R)
• M3: 922,720 km (0.075 R)
• M4: 1,223,711 km (0.082 R)
• M5: 2,063,403 km (0.091 R)
• M6: 2,714,902 km (0.096 R)
• M7: 3,317,931 km (0.102 R)
• M8: 3,730,373 km (0.109 R)
• M9: 4,194,126 km (0.075 R)
• M10: 5,117,594 km (0.115 R)
• M11: 7,063,114 km (0.042 R)
• M12: 8,615,641 km (0.114 R)
• M13: 9,278,509 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 14.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.99 AU - 2.43 AU

Year: 2089 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,863,062 km

• M1: 182,809 km (0.032 R)
• M2: 806,781 km (0.077 R)
• M3: 1,310,477 km (0.065 R)
• M4: 1,800,859 km (0.081 R)
• M5: 2,295,430 km (0.1 R)
• M6: 2,835,478 km (0.056 R)
• M7: 3,940,408 km (0.106 R)
• M8: 6,010,693 km (0.084 R)
• M9: 7,283,172 km (0.113 R)
• M10: 8,110,000 km (0.106 R)
• M11: 9,032,570 km (0.111 R)
• M12: 9,662,078 km (0.074 R)
• M13: 11,565,411 km (0.12 R)
• M14: 12,182,353 km (0.12 R)
• M15: 16,053,198 km (0.098 R)
• M16: 16,562,878 km (0.092 R)
• M17: 17,030,820 km (0.113 R)
• M18: 18,823,002 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 9.5

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.14 AU - 2.48 AU

Year: 2232 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,863,062 km

• M1: 119,230 km (0.052 R)
• M2: 551,418 km (0.111 R)
• M3: 910,004 km (0.094 R)
• M4: 1,554,920 km (0.098 R)
• M5: 1,871,918 km (0.103 R)
• M6: 3,013,051 km (0.116 R)
• M7: 4,853,254 km (0.075 R)
• M8: 5,639,541 km (0.08 R)
• M9: 6,289,992 km (0.116 R)
• M10: 7,555,440 km (0.066 R)
• M11: 8,411,589 km (0.119 R)
• M12: 9,121,132 km (0.092 R)
• M13: 9,870,019 km (0.082 R)
• M14: 11,248,413 km (0.076 R)
• M15: 12,320,881 km (0.116 R)
• M16: 12,838,190 km (0.041 R)
• M17: 13,146,661 km (0.064 R)
• M18: 15,298,477 km (0.042 R)
• M19: 17,085,573 km (0.062 R)
• M20: 17,783,596 km (0.095 R)
• M21: 18,500,469 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 10.1

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.58 AU - 3 AU

Year: 2963 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,863,062 km

• M1: 125,662 km (0.068 R)
• M2: 537,206 km (0.027 R)
• M3: 970,591 km (0.096 R)
• M4: 1,294,171 km (0.069 R)
• M5: 1,645,876 km (0.114 R)
• M6: 1,996,384 km (0.11 R)
• M7: 2,338,514 km (0.078 R)
• M8: 3,437,011 km (0.096 R)
• M9: 3,932,928 km (0.108 R)
• M10: 4,683,610 km (0.101 R)
• M11: 5,527,043 km (0.056 R)
• M12: 5,957,436 km (0.116 R)
• M13: 6,526,955 km (0.097 R)
• M14: 7,289,455 km (0.101 R)
• M15: 8,350,852 km (0.055 R)
• M16: 8,738,610 km (0.119 R)
• M17: 10,013,483 km (0.106 R)
• M18: 13,982,015 km (0.072 R)
• M19: 14,378,899 km (0.094 R)
• M20: 16,476,859 km (0.053 R)
• M21: 22,804,699 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 12.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.83 AU - 3.35 AU

Year: 3454 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,863,062 km

• M1: 303,833 km (0.109 R)
• M2: 925,712 km (0.091 R)
• M3: 1,777,971 km (0.058 R)
• M4: 2,815,881 km (0.097 R)
• M5: 3,230,416 km (0.076 R)
• M6: 3,703,594 km (0.107 R)
• M7: 4,582,632 km (0.065 R)
• M8: 5,227,698 km (0.116 R)
• M9: 9,171,845 km (0.05 R)
• M10: 12,726,590 km (0.094 R)
• M11: 13,741,612 km (0.053 R)
• M12: 14,447,714 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 12.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.5 AU - 3.54 AU

Year: 4199 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,863,062 km

• M1: 150,645 km (0.106 R)
• M2: 545,883 km (0.028 R)
• M3: 1,046,736 km (0.093 R)
• M4: 1,560,755 km (0.082 R)
• M5: 1,955,394 km (0.12 R)
• M6: 2,432,611 km (0.095 R)
• M7: 3,239,542 km (0.112 R)
• M8: 4,560,491 km (0.112 R)
• M9: 5,329,873 km (0.111 R)
• M10: 5,898,794 km (0.117 R)
• M11: 6,448,267 km (0.107 R)
• M12: 8,958,070 km (0.114 R)
• M13: 9,451,444 km (0.061 R)
• M14: 10,410,217 km (0.088 R)
• M15: 12,288,567 km (0.101 R)
• M16: 13,627,169 km (0.098 R)
• M17: 15,166,980 km (0.092 R)
• M18: 16,762,741 km (0.062 R)
• M19: 18,105,980 km (0.104 R)
• M20: 19,519,680 km (0.085 R)
• M21: 22,565,792 km (0.072 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: 441 - 10,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit