🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 13.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,555,243 km

• M1: 164,109 km (0.079 R)
• M2: 589,565 km (0.082 R)
• M3: 1,017,565 km (0.101 R)
• M4: 1,492,538 km (0.108 R)
• M5: 2,000,722 km (0.096 R)
• M6: 2,727,768 km (0.111 R)
• M7: 3,159,208 km (0.096 R)
• M8: 3,923,653 km (0.078 R)
• M9: 4,357,038 km (0.111 R)
• M10: 5,009,285 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 9.2

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.66 AU - 0.74 AU

Year: 397 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,555,243 km

• M1: 114,442 km (0.094 R)
• M2: 423,661 km (0.085 R)
• M3: 906,114 km (0.049 R)
• M4: 1,206,208 km (0.117 R)
• M5: 1,539,212 km (0.111 R)
• M6: 2,024,209 km (0.061 R)
• M7: 2,519,827 km (0.119 R)
• M8: 3,060,922 km (0.039 R)
• M9: 4,375,139 km (0.069 R)
• M10: 5,367,871 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 9.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2 AU - 2.26 AU

Year: 2108 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,555,243 km

• M1: 120,576 km (0.039 R)
• M2: 477,516 km (0.094 R)
• M3: 1,184,366 km (0.094 R)
• M4: 1,571,974 km (0.119 R)
• M5: 2,331,333 km (0.072 R)
• M6: 2,671,519 km (0.101 R)
• M7: 3,273,800 km (0.098 R)
• M8: 5,258,664 km (0.069 R)
• M9: 6,069,784 km (0.086 R)
• M10: 7,011,203 km (0.089 R)
• M11: 7,568,904 km (0.118 R)
• M12: 8,488,782 km (0.038 R)
• M13: 9,572,618 km (0.11 R)
• M14: 11,488,069 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 9.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.07 AU - 2.33 AU

Year: 2213 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,555,243 km

• M1: 119,529 km (0.071 R)
• M2: 477,965 km (0.115 R)
• M3: 1,115,701 km (0.11 R)
• M4: 1,482,814 km (0.102 R)
• M5: 2,637,710 km (0.072 R)
• M6: 4,148,050 km (0.1 R)
• M7: 5,758,471 km (0.079 R)
• M8: 8,799,945 km (0.119 R)
• M9: 9,377,094 km (0.12 R)
• M10: 13,427,157 km (0.117 R)
• M11: 14,702,479 km (0.084 R)
• M12: 15,466,475 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 15

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.34 AU - 2.58 AU

Year: 2617 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,555,243 km

• M1: 186,698 km (0.09 R)
• M2: 1,089,820 km (0.081 R)
• M3: 2,262,817 km (0.071 R)
• M4: 3,074,535 km (0.089 R)
• M5: 4,590,710 km (0.049 R)
• M6: 5,347,825 km (0.089 R)
• M7: 7,552,748 km (0.062 R)
• M8: 8,518,851 km (0.119 R)
• M9: 9,047,829 km (0.089 R)
• M10: 9,967,257 km (0.085 R)
• M11: 11,093,430 km (0.109 R)
• M12: 12,858,835 km (0.076 R)
• M13: 13,640,334 km (0.104 R)
• M14: 14,584,745 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 10.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.09 AU - 3.41 AU

Year: 3974 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,555,243 km

• M1: 135,536 km (0.08 R)
• M2: 694,433 km (0.025 R)
• M3: 1,227,301 km (0.102 R)
• M4: 1,786,947 km (0.103 R)
• M5: 2,278,226 km (0.082 R)
• M6: 3,113,580 km (0.031 R)
• M7: 3,477,851 km (0.086 R)
• M8: 3,973,469 km (0.113 R)
• M9: 4,561,389 km (0.093 R)
• M10: 5,206,305 km (0.064 R)
• M11: 6,918,004 km (0.049 R)
• M12: 7,383,104 km (0.118 R)
• M13: 9,759,167 km (0.087 R)
• M14: 11,246,469 km (0.11 R)
• M15: 12,110,845 km (0.106 R)
• M16: 12,604,668 km (0.095 R)
• M17: 13,971,544 km (0.094 R)
• M18: 16,997,759 km (0.107 R)
• M19: 17,731,536 km (0.079 R)
• M20: 18,545,349 km (0.107 R)
• M21: 19,936,160 km (0.115 R)
• M22: 20,879,824 km (0.106 R)
• M23: 22,317,459 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 13.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.95 AU - 4.37 AU

Year: 4749 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,555,243 km

• M1: 162,912 km (0.068 R)
• M2: 766,390 km (0.107 R)
• M3: 1,289,234 km (0.113 R)
• M4: 1,774,380 km (0.09 R)
• M5: 2,369,181 km (0.098 R)
• M6: 2,793,890 km (0.115 R)
• M7: 3,536,344 km (0.101 R)
• M8: 4,249,178 km (0.089 R)
• M9: 7,450,572 km (0.077 R)
• M10: 7,888,296 km (0.112 R)
• M11: 8,343,223 km (0.116 R)
• M12: 9,107,668 km (0.085 R)
• M13: 9,745,553 km (0.09 R)
• M14: 10,703,129 km (0.092 R)
• M15: 13,013,369 km (0.043 R)
• M16: 15,124,195 km (0.08 R)
• M17: 16,067,858 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 10.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.58 AU - 5.2 AU

Year: 6239 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,555,243 km

• M1: 134,339 km (0.032 R)
• M2: 1,765,404 km (0.035 R)
• M3: 2,342,403 km (0.092 R)
• M4: 3,231,912 km (0.107 R)
• M5: 4,550,767 km (0.07 R)
• M6: 6,926,531 km (0.117 R)
• M7: 8,288,171 km (0.078 R)
• M8: 9,210,442 km (0.118 R)
• M9: 11,349,841 km (0.084 R)
• M10: 11,861,765 km (0.113 R)
• M11: 12,291,859 km (0.11 R)
• M12: 13,593,360 km (0.083 R)
• M13: 17,004,491 km (0.066 R)
• M14: 19,660,302 km (0.08 R)
• M15: 20,948,190 km (0.069 R)
• M16: 24,374,280 km (0.03 R)
• M17: 26,019,258 km (0.086 R)
• M18: 26,991,944 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.3

Radius: 5.8

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.41 AU - 9.01 AU

Year: 17435 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,555,243 km

• M1: 73,004 km (0.045 R)
• M2: 521,498 km (0.062 R)
• M3: 1,149,660 km (0.089 R)
• M4: 1,620,444 km (0.056 R)
• M5: 2,094,370 km (0.051 R)
• M6: 2,395,212 km (0.112 R)
• M7: 5,225,902 km (0.1 R)
• M8: 6,496,288 km (0.077 R)
• M9: 13,922,027 km (0.118 R)
• M10: 14,269,991 km (0.049 R)
• M11: 15,945,936 km (0.119 R)
• M12: 19,165,432 km (0.093 R)
• M13: 19,945,286 km (0.106 R)
• M14: 22,793,480 km (0.102 R)
• M15: 32,332,289 km (0.084 R)
• M16: 39,611,721 km (0.09 R)
• M17: 45,584,266 km (0.059 R)
• M18: 58,912,090 km (0.099 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: 320 - 16,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit