🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.41 AU - 0.59 AU

Year: 228 Days

Day: 27.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 8.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.75 AU - 0.99 AU

Year: 524 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,616,829 km

• M1: 109,506 km (0.06 R)
• M2: 487,539 km (0.111 R)
• M3: 773,271 km (0.111 R)
• M4: 1,375,403 km (0.108 R)
• M5: 1,773,932 km (0.092 R)
• M6: 2,262,518 km (0.065 R)
• M7: 2,975,202 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 8.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.34 AU - 1.36 AU

Year: 1013 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,616,829 km

• M1: 106,962 km (0.116 R)
• M2: 432,637 km (0.098 R)
• M3: 806,482 km (0.089 R)
• M4: 1,354,010 km (0.109 R)
• M5: 1,834,967 km (0.076 R)
• M6: 2,676,156 km (0.104 R)
• M7: 3,188,679 km (0.108 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.7

Radius: 10.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.23 AU - 3.65 AU

Year: 4120 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,616,829 km

• M1: 128,056 km (0.09 R)
• M2: 507,436 km (0.106 R)
• M3: 863,479 km (0.094 R)
• M4: 1,246,898 km (0.098 R)
• M5: 1,809,386 km (0.107 R)
• M6: 2,142,840 km (0.112 R)
• M7: 2,550,943 km (0.119 R)
• M8: 3,048,356 km (0.099 R)
• M9: 3,463,191 km (0.074 R)
• M10: 4,074,747 km (0.066 R)
• M11: 4,912,644 km (0.026 R)
• M12: 6,505,862 km (0.083 R)
• M13: 7,162,746 km (0.113 R)
• M14: 8,230,576 km (0.056 R)
• M15: 8,999,359 km (0.107 R)
• M16: 10,948,619 km (0.082 R)
• M17: 12,960,711 km (0.034 R)
• M18: 13,683,119 km (0.117 R)
• M19: 15,491,757 km (0.098 R)
• M20: 16,070,102 km (0.119 R)
• M21: 17,578,797 km (0.112 R)
• M22: 18,144,277 km (0.117 R)
• M23: 19,511,302 km (0.1 R)
• M24: 20,117,622 km (0.1 R)
• M25: 20,597,981 km (0.066 R)
• M26: 22,891,616 km (0.08 R)
• M27: 28,493,009 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 13.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.3 AU - 4.86 AU

Year: 5321 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,616,829 km

• M1: 165,904 km (0.068 R)
• M2: 607,816 km (0.064 R)
• M3: 1,548,637 km (0.111 R)
• M4: 2,811,393 km (0.075 R)
• M5: 3,236,550 km (0.107 R)
• M6: 3,979,603 km (0.102 R)
• M7: 6,702,433 km (0.05 R)
• M8: 7,361,412 km (0.072 R)
• M9: 8,849,911 km (0.106 R)
• M10: 11,714,710 km (0.095 R)
• M11: 12,313,550 km (0.115 R)
• M12: 13,197,075 km (0.119 R)
• M13: 15,800,228 km (0.084 R)
• M14: 18,063,494 km (0.114 R)
• M15: 19,897,265 km (0.082 R)
• M16: 21,554,660 km (0.095 R)
• M17: 24,816,192 km (0.08 R)
• M18: 27,774,640 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 9.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.44 AU - 4.9 AU

Year: 5498 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,616,829 km

• M1: 114,592 km (0.114 R)
• M2: 407,654 km (0.079 R)
• M3: 1,413,401 km (0.12 R)
• M4: 3,731,270 km (0.105 R)
• M5: 4,173,182 km (0.113 R)
• M6: 6,071,579 km (0.101 R)
• M7: 10,343,496 km (0.102 R)
• M8: 13,398,883 km (0.044 R)
• M9: 15,421,297 km (0.084 R)
• M10: 18,884,786 km (0.107 R)
• M11: 21,089,709 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.9

Radius: 6.8

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.99 AU - 11.53 AU

Year: 18194 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,616,829 km

• M1: 84,672 km (0.049 R)
• M2: 502,499 km (0.108 R)
• M3: 719,117 km (0.108 R)
• M4: 1,114,055 km (0.069 R)
• M5: 1,999,226 km (0.101 R)
• M6: 3,341,867 km (0.106 R)
• M7: 4,541,193 km (0.114 R)
• M8: 5,315,212 km (0.083 R)
• M9: 8,060,184 km (0.077 R)
• M10: 8,320,334 km (0.114 R)
• M11: 9,647,417 km (0.073 R)
• M12: 12,299,787 km (0.071 R)
• M13: 12,644,910 km (0.057 R)
• M14: 13,940,726 km (0.101 R)
• M15: 16,293,602 km (0.119 R)
• M16: 28,716,358 km (0.105 R)
• M17: 37,583,772 km (0.115 R)
• M18: 40,092,678 km (0.09 R)
• M19: 60,454,594 km (0.115 R)
• M20: 78,934,419 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.4

Radius: 3.2

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.01 AU - 11.03 AU

Year: 18966 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,616,829 km

• M1: 40,840 km (0.119 R)
• M2: 568,173 km (0.102 R)
• M3: 764,744 km (0.05 R)
• M4: 1,225,506 km (0.108 R)
• M5: 2,842,659 km (0.114 R)
• M6: 3,232,062 km (0.081 R)
• M7: 4,328,764 km (0.119 R)
• M8: 5,914,801 km (0.063 R)
• M9: 6,029,991 km (0.09 R)
• M10: 6,344,446 km (0.063 R)
• M11: 7,989,274 km (0.102 R)
• M12: 17,958,327 km (0.041 R)
• M13: 18,938,492 km (0.106 R)
• M14: 20,126,449 km (0.101 R)
• M15: 22,462,569 km (0.108 R)
• M16: 22,743,364 km (0.097 R)
• M17: 24,476,605 km (0.077 R)
• M18: 28,421,052 km (0.108 R)
• M19: 28,639,615 km (0.075 R)
• M20: 35,731,003 km (0.119 R)
• M21: 38,066,525 km (0.041 R)
• M22: 41,056,537 km (0.12 R)
• M23: 43,182,622 km (0.117 R)
• M24: 49,840,027 km (0.066 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: 543 - 19,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit