🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 8.4

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.53 AU - 0.87 AU

Year: 412 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,998,921 km

• M1: 106,364 km (0.04 R)
• M2: 379,231 km (0.083 R)
• M3: 911,799 km (0.051 R)
• M4: 1,221,766 km (0.117 R)
• M5: 1,660,836 km (0.049 R)
• M6: 1,934,450 km (0.084 R)
• M7: 2,349,883 km (0.06 R)
• M8: 2,614,672 km (0.118 R)
• M9: 2,987,918 km (0.041 R)
• M10: 3,582,869 km (0.076 R)
• M11: 4,726,545 km (0.066 R)
• M12: 5,432,347 km (0.103 R)
• M13: 5,881,440 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 8.8

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.91 AU - 0.95 AU

Year: 630 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,998,921 km

• M1: 109,506 km (0.119 R)
• M2: 501,901 km (0.103 R)
• M3: 1,045,540 km (0.093 R)
• M4: 1,459,477 km (0.094 R)
• M5: 1,780,065 km (0.113 R)
• M6: 2,186,223 km (0.081 R)
• M7: 2,766,065 km (0.118 R)
• M8: 3,160,853 km (0.09 R)
• M9: 3,511,660 km (0.106 R)
• M10: 4,789,376 km (0.101 R)
• M11: 5,487,699 km (0.074 R)
• M12: 5,918,989 km (0.108 R)
• M13: 6,372,720 km (0.115 R)
• M14: 7,195,209 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 13.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.85 AU - 1.15 AU

Year: 703 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,998,921 km

• M1: 162,912 km (0.091 R)
• M2: 962,961 km (0.088 R)
• M3: 1,445,564 km (0.074 R)
• M4: 1,878,351 km (0.054 R)
• M5: 2,428,422 km (0.111 R)
• M6: 3,167,585 km (0.094 R)
• M7: 4,209,834 km (0.11 R)
• M8: 5,434,143 km (0.113 R)
• M9: 6,348,485 km (0.118 R)
• M10: 6,761,973 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 11.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.65 AU - 2.37 AU

Year: 2003 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,998,921 km

• M1: 143,165 km (0.112 R)
• M2: 545,434 km (0.026 R)
• M3: 994,078 km (0.096 R)
• M4: 1,699,282 km (0.116 R)
• M5: 3,575,539 km (0.111 R)
• M6: 5,632,360 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 13.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.27 AU - 2.57 AU

Year: 2646 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,998,921 km

• M1: 179,667 km (0.056 R)
• M2: 696,827 km (0.098 R)
• M3: 1,246,150 km (0.112 R)
• M4: 1,678,339 km (0.106 R)
• M5: 2,239,331 km (0.079 R)
• M6: 3,326,458 km (0.118 R)
• M7: 4,476,267 km (0.084 R)
• M8: 5,060,746 km (0.113 R)
• M9: 6,863,102 km (0.107 R)
• M10: 7,799,435 km (0.056 R)
• M11: 10,648,825 km (0.027 R)
• M12: 11,570,647 km (0.094 R)
• M13: 12,285,725 km (0.1 R)
• M14: 12,807,971 km (0.115 R)
• M15: 15,245,070 km (0.055 R)
• M16: 16,002,035 km (0.043 R)
• M17: 18,367,926 km (0.094 R)
• M18: 18,936,697 km (0.117 R)
• M19: 19,575,779 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 10

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.22 AU - 3.3 AU

Year: 3223 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,998,921 km

• M1: 124,316 km (0.098 R)
• M2: 497,413 km (0.04 R)
• M3: 1,000,660 km (0.095 R)
• M4: 1,488,798 km (0.065 R)
• M5: 2,532,243 km (0.072 R)
• M6: 4,408,948 km (0.074 R)
• M7: 4,741,355 km (0.107 R)
• M8: 5,897,447 km (0.102 R)
• M9: 6,243,168 km (0.051 R)
• M10: 6,602,352 km (0.048 R)
• M11: 7,428,432 km (0.073 R)
• M12: 11,126,192 km (0.057 R)
• M13: 11,745,527 km (0.089 R)
• M14: 12,109,648 km (0.118 R)
• M15: 12,669,892 km (0.118 R)
• M16: 13,892,556 km (0.062 R)
• M17: 14,248,599 km (0.099 R)
• M18: 14,662,985 km (0.118 R)
• M19: 14,979,085 km (0.1 R)
• M20: 15,789,158 km (0.114 R)
• M21: 16,742,246 km (0.067 R)
• M22: 18,886,582 km (0.042 R)
• M23: 20,089,199 km (0.086 R)
• M24: 20,413,976 km (0.096 R)
• M25: 21,409,550 km (0.068 R)
• M26: 23,425,381 km (0.059 R)
• M27: 23,930,423 km (0.089 R)
• M28: 24,369,044 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 14.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.4 AU - 3.78 AU

Year: 3818 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,998,921 km

• M1: 177,872 km (0.035 R)
• M2: 723,605 km (0.105 R)
• M3: 1,272,180 km (0.107 R)
• M4: 1,775,278 km (0.109 R)
• M5: 3,149,484 km (0.092 R)
• M6: 3,792,156 km (0.113 R)
• M7: 4,240,052 km (0.046 R)
• M8: 5,026,488 km (0.083 R)
• M9: 5,493,084 km (0.063 R)
• M10: 6,599,809 km (0.079 R)
• M11: 7,283,023 km (0.094 R)
• M12: 8,178,216 km (0.102 R)
• M13: 8,722,005 km (0.12 R)
• M14: 9,289,878 km (0.092 R)
• M15: 9,882,286 km (0.089 R)
• M16: 10,818,320 km (0.091 R)
• M17: 13,140,378 km (0.076 R)
• M18: 15,571,044 km (0.11 R)
• M19: 16,947,195 km (0.088 R)
• M20: 19,161,542 km (0.055 R)
• M21: 20,001,535 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.5

Radius: 4.5

Gravity: 28.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.36 AU - 7.36 AU

Year: 12630 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,998,921 km

• M1: 55,950 km (0.101 R)
• M2: 249,380 km (0.116 R)
• M3: 430,692 km (0.084 R)
• M4: 863,479 km (0.102 R)
• M5: 1,243,308 km (0.066 R)
• M6: 2,248,905 km (0.06 R)
• M7: 2,588,342 km (0.038 R)
• M8: 4,148,947 km (0.088 R)
• M9: 4,354,046 km (0.103 R)
• M10: 4,816,303 km (0.097 R)
• M11: 5,765,801 km (0.086 R)
• M12: 14,865,540 km (0.111 R)
• M13: 15,625,348 km (0.101 R)
• M14: 16,850,255 km (0.119 R)
• M15: 17,523,895 km (0.066 R)
• M16: 18,060,203 km (0.029 R)
• M17: 26,258,166 km (0.089 R)
• M18: 36,381,604 km (0.064 R)
• M19: 45,161,802 km (0.071 R)
• M20: 50,191,133 km (0.049 R)
• M21: 50,344,471 km (0.087 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: 404 - 16,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit