🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.49 AU - 0.51 AU

Year: 232 Days

Day: 28.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 9.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.75 AU - 0.89 AU

Year: 487 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,083,037 km

• M1: 118,182 km (0.116 R)
• M2: 423,362 km (0.099 R)
• M3: 1,131,708 km (0.084 R)
• M4: 1,490,144 km (0.078 R)
• M5: 1,900,043 km (0.095 R)
• M6: 2,481,081 km (0.113 R)
• M7: 2,829,943 km (0.083 R)
• M8: 3,366,251 km (0.115 R)
• M9: 3,982,595 km (0.101 R)
• M10: 4,361,376 km (0.094 R)
• M11: 4,935,084 km (0.089 R)
• M12: 5,356,053 km (0.096 R)
• M13: 5,871,417 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 11.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.68 AU - 1.06 AU

Year: 532 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,083,037 km

• M1: 143,016 km (0.117 R)
• M2: 519,553 km (0.053 R)
• M3: 920,775 km (0.098 R)
• M4: 1,341,295 km (0.026 R)
• M5: 1,720,675 km (0.116 R)
• M6: 2,348,986 km (0.108 R)
• M7: 2,842,808 km (0.08 R)
• M8: 3,362,811 km (0.086 R)
• M9: 3,840,028 km (0.105 R)
• M10: 4,374,990 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 13.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.78 AU - 0.98 AU

Year: 542 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,083,037 km

• M1: 171,738 km (0.117 R)
• M2: 621,430 km (0.082 R)
• M3: 1,451,548 km (0.074 R)
• M4: 2,068,939 km (0.094 R)
• M5: 2,907,135 km (0.097 R)
• M6: 4,097,785 km (0.079 R)
• M7: 4,591,757 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 13.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.23 AU - 1.47 AU

Year: 1029 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,083,037 km

• M1: 171,589 km (0.113 R)
• M2: 657,632 km (0.044 R)
• M3: 1,152,502 km (0.095 R)
• M4: 1,621,641 km (0.116 R)
• M5: 2,168,571 km (0.084 R)
• M6: 2,620,207 km (0.03 R)
• M7: 3,162,050 km (0.079 R)
• M8: 4,288,522 km (0.117 R)
• M9: 4,754,520 km (0.057 R)
• M10: 5,273,624 km (0.093 R)
• M11: 7,993,463 km (0.093 R)
• M12: 9,627,670 km (0.087 R)
• M13: 10,098,903 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.5

Radius: 13.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.42 AU - 1.74 AU

Year: 1303 Days

Day: 11.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,083,037 km

• M1: 163,361 km (0.117 R)
• M2: 647,160 km (0.047 R)
• M3: 1,140,983 km (0.117 R)
• M4: 1,658,741 km (0.081 R)
• M5: 2,089,583 km (0.055 R)
• M6: 2,629,033 km (0.088 R)
• M7: 3,109,392 km (0.094 R)
• M8: 3,889,694 km (0.07 R)
• M9: 5,631,612 km (0.089 R)
• M10: 6,986,370 km (0.053 R)
• M11: 7,916,719 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 8.3

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.61 AU - 2.31 AU

Year: 1800 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,083,037 km

• M1: 103,372 km (0.056 R)
• M2: 367,712 km (0.084 R)
• M3: 815,608 km (0.064 R)
• M4: 1,172,249 km (0.105 R)
• M5: 1,572,872 km (0.09 R)
• M6: 2,074,474 km (0.082 R)
• M7: 2,356,914 km (0.075 R)
• M8: 2,939,897 km (0.117 R)
• M9: 3,615,481 km (0.108 R)
• M10: 4,064,574 km (0.032 R)
• M11: 6,782,917 km (0.055 R)
• M12: 7,132,976 km (0.064 R)
• M13: 7,608,847 km (0.073 R)
• M14: 8,347,112 km (0.038 R)
• M15: 9,067,725 km (0.114 R)
• M16: 9,965,761 km (0.082 R)
• M17: 10,632,369 km (0.04 R)
• M18: 12,448,787 km (0.083 R)
• M19: 12,892,644 km (0.084 R)
• M20: 13,180,470 km (0.112 R)
• M21: 13,472,635 km (0.114 R)
• M22: 15,044,011 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 14.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.06 AU - 2.96 AU

Year: 2609 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,083,037 km

• M1: 175,329 km (0.09 R)
• M2: 860,487 km (0.072 R)
• M3: 1,433,896 km (0.099 R)
• M4: 2,133,864 km (0.069 R)
• M5: 2,636,812 km (0.112 R)
• M6: 3,173,569 km (0.084 R)
• M7: 4,263,390 km (0.061 R)
• M8: 5,304,441 km (0.066 R)
• M9: 6,288,047 km (0.047 R)
• M10: 9,518,613 km (0.098 R)
• M11: 11,656,516 km (0.11 R)
• M12: 12,996,165 km (0.119 R)
• M13: 13,560,000 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 11.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.34 AU - 4.56 AU

Year: 6158 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,083,037 km

• M1: 143,165 km (0.105 R)
• M2: 515,215 km (0.103 R)
• M3: 1,238,521 km (0.079 R)
• M4: 1,637,349 km (0.103 R)
• M5: 2,168,720 km (0.034 R)
• M6: 2,579,217 km (0.112 R)
• M7: 3,140,957 km (0.098 R)
• M8: 3,581,523 km (0.102 R)
• M9: 4,087,313 km (0.107 R)
• M10: 5,623,234 km (0.034 R)
• M11: 7,809,308 km (0.057 R)
• M12: 9,621,537 km (0.079 R)
• M13: 10,465,119 km (0.102 R)
• M14: 12,147,646 km (0.119 R)
• M15: 15,440,445 km (0.065 R)
• M16: 16,784,133 km (0.114 R)
• M17: 19,772,949 km (0.12 R)
• M18: 20,626,255 km (0.111 R)
• M19: 20,989,030 km (0.118 R)
• M20: 22,178,632 km (0.119 R)
• M21: 24,126,397 km (0.053 R)
• M22: 25,018,598 km (0.084 R)
• M23: 28,538,636 km (0.081 R)
• M24: 28,989,375 km (0.106 R)
• M25: 31,314,574 km (0.12 R)

Asteroid Belt

Center: 5.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.2

Radius: 4.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.64 AU - 7.46 AU

Year: 10997 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,083,037 km

• M1: 62,831 km (0.115 R)
• M2: 918,232 km (0.116 R)
• M3: 1,472,492 km (0.118 R)
• M4: 1,996,533 km (0.065 R)
• M5: 5,388,216 km (0.114 R)
• M6: 10,501,471 km (0.076 R)
• M7: 11,819,578 km (0.12 R)
• M8: 12,473,770 km (0.095 R)
• M9: 16,058,284 km (0.116 R)
• M10: 16,375,881 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 16,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit