🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.42 AU - 0.58 AU

Year: 232 Days

Day: 14.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 10.3

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.94 AU - 1.4 AU

Year: 830 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,248,428 km

• M1: 128,205 km (0.091 R)
• M2: 460,013 km (0.096 R)
• M3: 1,184,965 km (0.086 R)
• M4: 1,782,758 km (0.057 R)
• M5: 2,161,839 km (0.048 R)
• M6: 2,492,450 km (0.102 R)
• M7: 2,844,753 km (0.052 R)
• M8: 3,339,174 km (0.093 R)
• M9: 4,044,977 km (0.112 R)
• M10: 4,741,505 km (0.069 R)
• M11: 5,913,604 km (0.1 R)
• M12: 6,699,591 km (0.116 R)
• M13: 7,650,286 km (0.12 R)
• M14: 8,478,759 km (0.056 R)
• M15: 8,928,450 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 10.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.18 AU - 1.6 AU

Year: 1075 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,248,428 km

• M1: 126,859 km (0.104 R)
• M2: 448,943 km (0.107 R)
• M3: 804,089 km (0.11 R)
• M4: 1,162,375 km (0.054 R)
• M5: 1,519,914 km (0.087 R)
• M6: 1,864,588 km (0.107 R)
• M7: 2,186,522 km (0.085 R)
• M8: 3,010,956 km (0.109 R)
• M9: 3,838,083 km (0.054 R)
• M10: 5,034,268 km (0.085 R)
• M11: 5,383,728 km (0.073 R)
• M12: 5,707,907 km (0.115 R)
• M13: 6,240,774 km (0.077 R)
• M14: 6,736,991 km (0.102 R)
• M15: 7,283,621 km (0.059 R)
• M16: 8,656,032 km (0.104 R)
• M17: 9,447,255 km (0.089 R)
• M18: 10,163,231 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 11.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.48 AU - 1.54 AU

Year: 1217 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,248,428 km

• M1: 144,362 km (0.075 R)
• M2: 582,534 km (0.056 R)
• M3: 1,159,234 km (0.07 R)
• M4: 1,933,702 km (0.05 R)
• M5: 2,370,977 km (0.073 R)
• M6: 2,911,623 km (0.041 R)
• M7: 3,377,172 km (0.093 R)
• M8: 3,876,829 km (0.064 R)
• M9: 4,970,090 km (0.116 R)
• M10: 5,344,982 km (0.107 R)
• M11: 6,475,045 km (0.112 R)
• M12: 8,685,054 km (0.113 R)
• M13: 9,120,085 km (0.114 R)
• M14: 9,626,922 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.6

Radius: 9.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.66 AU - 1.82 AU

Year: 1506 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,248,428 km

• M1: 116,387 km (0.097 R)
• M2: 428,149 km (0.061 R)
• M3: 1,036,713 km (0.059 R)
• M4: 1,470,248 km (0.074 R)
• M5: 2,139,848 km (0.116 R)
• M6: 3,089,495 km (0.033 R)
• M7: 4,445,151 km (0.116 R)
• M8: 4,751,228 km (0.055 R)
• M9: 5,874,708 km (0.063 R)
• M10: 6,264,860 km (0.08 R)
• M11: 6,585,149 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 14.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.55 AU - 2.11 AU

Year: 1624 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,248,428 km

• M1: 185,801 km (0.118 R)
• M2: 654,191 km (0.12 R)
• M3: 1,163,123 km (0.114 R)
• M4: 1,779,915 km (0.08 R)
• M5: 2,756,790 km (0.104 R)
• M6: 3,233,259 km (0.06 R)
• M7: 3,765,378 km (0.096 R)
• M8: 4,387,107 km (0.112 R)
• M9: 4,872,702 km (0.072 R)
• M10: 6,801,168 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 10

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.49 AU - 3.21 AU

Year: 3156 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,248,428 km

• M1: 124,615 km (0.089 R)
• M2: 536,009 km (0.099 R)
• M3: 1,060,200 km (0.111 R)
• M4: 1,709,754 km (0.099 R)
• M5: 2,307,697 km (0.074 R)
• M6: 3,538,588 km (0.08 R)
• M7: 4,091,203 km (0.078 R)
• M8: 4,786,234 km (0.062 R)
• M9: 5,207,801 km (0.105 R)
• M10: 6,024,157 km (0.108 R)
• M11: 8,758,058 km (0.098 R)
• M12: 9,493,032 km (0.048 R)
• M13: 10,971,657 km (0.077 R)
• M14: 11,666,988 km (0.117 R)
• M15: 12,106,357 km (0.088 R)
• M16: 15,401,998 km (0.112 R)
• M17: 16,224,487 km (0.114 R)
• M18: 16,621,670 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 13.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.47 AU - 3.81 AU

Year: 3650 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,248,428 km

• M1: 170,542 km (0.108 R)
• M2: 696,827 km (0.119 R)
• M3: 1,210,546 km (0.113 R)
• M4: 1,894,657 km (0.049 R)
• M5: 2,471,656 km (0.084 R)
• M6: 3,147,390 km (0.106 R)
• M7: 4,942,115 km (0.105 R)
• M8: 5,750,093 km (0.088 R)
• M9: 6,882,100 km (0.072 R)
• M10: 7,533,300 km (0.029 R)
• M11: 9,510,236 km (0.113 R)
• M12: 10,200,929 km (0.089 R)
• M13: 10,842,704 km (0.074 R)
• M14: 11,426,285 km (0.112 R)
• M15: 12,296,347 km (0.083 R)
• M16: 12,885,313 km (0.07 R)
• M17: 13,828,079 km (0.115 R)
• M18: 14,316,367 km (0.116 R)
• M19: 15,587,949 km (0.094 R)
• M20: 17,099,934 km (0.028 R)
• M21: 18,354,911 km (0.077 R)
• M22: 19,366,192 km (0.092 R)
• M23: 20,984,093 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 9.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.19 AU - 4.25 AU

Year: 5687 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,248,428 km

• M1: 143,614 km (0.105 R)
• M2: 809,624 km (0.068 R)
• M3: 1,295,069 km (0.089 R)
• M4: 1,668,914 km (0.059 R)
• M5: 2,950,668 km (0.114 R)
• M6: 3,391,683 km (0.095 R)
• M7: 3,762,237 km (0.118 R)
• M8: 4,406,405 km (0.114 R)
• M9: 5,552,774 km (0.11 R)
• M10: 5,883,535 km (0.106 R)
• M11: 7,128,937 km (0.042 R)
• M12: 8,114,936 km (0.087 R)
• M13: 8,581,383 km (0.077 R)
• M14: 9,567,831 km (0.077 R)
• M15: 9,956,785 km (0.083 R)
• M16: 10,905,236 km (0.109 R)
• M17: 17,640,581 km (0.086 R)
• M18: 20,271,409 km (0.065 R)
• M19: 21,058,294 km (0.116 R)
• M20: 24,171,575 km (0.051 R)
• M21: 26,046,036 km (0.079 R)
• M22: 27,061,507 km (0.105 R)
• M23: 29,990,184 km (0.086 R)
• M24: 31,199,833 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 17,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit