🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 13.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,514,276 km

• M1: 165,455 km (0.12 R)
• M2: 693,685 km (0.097 R)
• M3: 1,136,196 km (0.097 R)
• M4: 1,644,829 km (0.061 R)
• M5: 2,298,272 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 12.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 407 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,514,276 km

• M1: 160,519 km (0.092 R)
• M2: 571,165 km (0.085 R)
• M3: 1,077,703 km (0.082 R)
• M4: 1,556,715 km (0.084 R)
• M5: 2,109,779 km (0.102 R)
• M6: 2,569,343 km (0.099 R)
• M7: 4,116,634 km (0.113 R)
• M8: 6,215,642 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 13.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.92 AU - 1.12 AU

Year: 687 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,514,276 km

• M1: 167,250 km (0.098 R)
• M2: 664,065 km (0.106 R)
• M3: 1,334,563 km (0.106 R)
• M4: 1,758,074 km (0.104 R)
• M5: 2,478,538 km (0.084 R)
• M6: 3,301,775 km (0.119 R)
• M7: 3,825,816 km (0.047 R)
• M8: 4,313,355 km (0.048 R)
• M9: 4,786,234 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 12.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.84 AU - 2.1 AU

Year: 1844 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,514,276 km

• M1: 157,975 km (0.081 R)
• M2: 677,678 km (0.064 R)
• M3: 1,178,233 km (0.108 R)
• M4: 1,906,774 km (0.105 R)
• M5: 2,678,699 km (0.096 R)
• M6: 3,585,562 km (0.097 R)
• M7: 4,207,889 km (0.09 R)
• M8: 5,040,850 km (0.106 R)
• M9: 5,801,705 km (0.102 R)
• M10: 6,469,061 km (0.117 R)
• M11: 7,161,400 km (0.089 R)
• M12: 7,578,927 km (0.037 R)
• M13: 8,900,625 km (0.116 R)
• M14: 9,789,535 km (0.115 R)
• M15: 11,566,159 km (0.099 R)
• M16: 12,549,765 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 11.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.19 AU - 3.13 AU

Year: 2893 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,514,276 km

• M1: 138,528 km (0.106 R)
• M2: 932,743 km (0.085 R)
• M3: 1,285,345 km (0.1 R)
• M4: 1,879,398 km (0.087 R)
• M5: 2,442,784 km (0.106 R)
• M6: 3,236,999 km (0.116 R)
• M7: 4,216,566 km (0.078 R)
• M8: 4,902,322 km (0.055 R)
• M9: 5,408,113 km (0.1 R)
• M10: 6,411,914 km (0.033 R)
• M11: 6,840,811 km (0.094 R)
• M12: 7,288,857 km (0.057 R)
• M13: 7,756,500 km (0.081 R)
• M14: 8,614,444 km (0.049 R)
• M15: 10,518,825 km (0.103 R)
• M16: 11,737,299 km (0.106 R)
• M17: 12,424,552 km (0.052 R)
• M18: 13,229,388 km (0.117 R)
• M19: 13,973,788 km (0.108 R)
• M20: 15,546,061 km (0.073 R)
• M21: 16,165,097 km (0.11 R)
• M22: 16,746,883 km (0.11 R)
• M23: 17,452,387 km (0.076 R)
• M24: 17,952,343 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 10.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.5 AU - 4.24 AU

Year: 5077 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,514,276 km

• M1: 126,859 km (0.047 R)
• M2: 828,772 km (0.117 R)
• M3: 1,247,646 km (0.119 R)
• M4: 1,770,491 km (0.053 R)
• M5: 2,345,246 km (0.092 R)
• M6: 3,076,031 km (0.096 R)
• M7: 3,485,182 km (0.106 R)
• M8: 3,973,020 km (0.036 R)
• M9: 5,161,725 km (0.109 R)
• M10: 6,048,392 km (0.088 R)
• M11: 6,785,311 km (0.119 R)
• M12: 7,680,504 km (0.074 R)
• M13: 8,437,619 km (0.068 R)
• M14: 10,465,717 km (0.08 R)
• M15: 11,971,270 km (0.059 R)
• M16: 14,621,247 km (0.084 R)
• M17: 15,141,997 km (0.087 R)
• M18: 15,513,748 km (0.045 R)
• M19: 16,220,448 km (0.119 R)
• M20: 17,815,461 km (0.103 R)
• M21: 18,590,527 km (0.115 R)
• M22: 19,450,117 km (0.1 R)
• M23: 20,207,680 km (0.069 R)
• M24: 20,723,793 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103

Radius: 12.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.8 AU - 6.42 AU

Year: 8861 Days

Day: 10.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,514,276 km

• M1: 163,211 km (0.112 R)
• M2: 643,720 km (0.096 R)
• M3: 1,117,047 km (0.119 R)
• M4: 1,709,455 km (0.074 R)
• M5: 2,629,631 km (0.079 R)
• M6: 3,148,138 km (0.103 R)
• M7: 3,635,228 km (0.112 R)
• M8: 4,259,650 km (0.063 R)
• M9: 4,691,539 km (0.084 R)
• M10: 5,127,617 km (0.079 R)
• M11: 6,110,026 km (0.069 R)
• M12: 7,405,095 km (0.075 R)
• M13: 10,370,424 km (0.08 R)
• M14: 14,756,334 km (0.069 R)
• M15: 16,402,359 km (0.089 R)
• M16: 17,071,511 km (0.081 R)
• M17: 18,643,335 km (0.062 R)
• M18: 19,931,224 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 12,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit