🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 13.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.51 AU - 0.71 AU

Year: 335 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,833,803 km

• M1: 173,085 km (0.118 R)
• M2: 631,901 km (0.111 R)
• M3: 1,282,353 km (0.072 R)
• M4: 1,823,598 km (0.083 R)
• M5: 2,633,222 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 9.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.66 AU - 0.66 AU

Year: 377 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,833,803 km

• M1: 116,986 km (0.089 R)
• M2: 444,904 km (0.096 R)
• M3: 786,436 km (0.105 R)
• M4: 1,229,096 km (0.09 R)
• M5: 1,967,212 km (0.069 R)
• M6: 2,606,892 km (0.078 R)
• M7: 2,927,630 km (0.07 R)
• M8: 3,727,979 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 10.4

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1 AU - 1.26 AU

Year: 844 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,833,803 km

• M1: 129,851 km (0.08 R)
• M2: 456,722 km (0.058 R)
• M3: 903,571 km (0.079 R)
• M4: 1,260,960 km (0.12 R)
• M5: 1,647,821 km (0.114 R)
• M6: 2,113,968 km (0.112 R)
• M7: 2,564,706 km (0.096 R)
• M8: 3,632,535 km (0.11 R)
• M9: 4,001,743 km (0.108 R)
• M10: 5,698,781 km (0.053 R)
• M11: 6,344,595 km (0.063 R)
• M12: 6,926,980 km (0.1 R)
• M13: 7,381,009 km (0.105 R)
• M14: 7,782,530 km (0.088 R)
• M15: 8,374,190 km (0.11 R)
• M16: 8,837,345 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 12.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.35 AU - 1.75 AU

Year: 1356 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,833,803 km

• M1: 158,873 km (0.076 R)
• M2: 1,137,841 km (0.117 R)
• M3: 1,582,446 km (0.11 R)
• M4: 2,000,423 km (0.074 R)
• M5: 2,742,279 km (0.071 R)
• M6: 3,140,658 km (0.047 R)
• M7: 4,329,662 km (0.075 R)
• M8: 5,913,903 km (0.114 R)
• M9: 6,863,251 km (0.099 R)
• M10: 7,883,658 km (0.089 R)
• M11: 8,342,475 km (0.098 R)
• M12: 9,859,846 km (0.116 R)
• M13: 10,840,610 km (0.105 R)
• M14: 11,300,922 km (0.097 R)
• M15: 11,959,901 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 10.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.87 AU - 2.43 AU

Year: 2216 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,833,803 km

• M1: 126,859 km (0.096 R)
• M2: 558,598 km (0.112 R)
• M3: 950,994 km (0.114 R)
• M4: 1,300,305 km (0.097 R)
• M5: 2,198,490 km (0.108 R)
• M6: 3,126,595 km (0.073 R)
• M7: 3,696,563 km (0.095 R)
• M8: 4,223,447 km (0.084 R)
• M9: 5,212,289 km (0.112 R)
• M10: 6,446,322 km (0.074 R)
• M11: 7,158,109 km (0.072 R)
• M12: 7,698,157 km (0.095 R)
• M13: 8,738,311 km (0.055 R)
• M14: 11,310,197 km (0.062 R)
• M15: 13,162,219 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 12.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.87 AU - 3.31 AU

Year: 3818 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,833,803 km

• M1: 153,039 km (0.083 R)
• M2: 568,023 km (0.102 R)
• M3: 987,944 km (0.059 R)
• M4: 1,729,351 km (0.06 R)
• M5: 2,277,328 km (0.116 R)
• M6: 2,695,604 km (0.104 R)
• M7: 3,099,518 km (0.075 R)
• M8: 3,544,273 km (0.029 R)
• M9: 5,619,943 km (0.095 R)
• M10: 6,776,634 km (0.116 R)
• M11: 8,022,934 km (0.084 R)
• M12: 8,767,482 km (0.072 R)
• M13: 9,451,743 km (0.082 R)
• M14: 10,208,260 km (0.076 R)
• M15: 10,927,077 km (0.098 R)
• M16: 12,381,617 km (0.062 R)
• M17: 13,554,465 km (0.032 R)
• M18: 14,895,161 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 12.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.94 AU - 4.94 AU

Year: 7718 Days

Day: 14.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,833,803 km

• M1: 157,975 km (0.039 R)
• M2: 835,504 km (0.114 R)
• M3: 1,280,408 km (0.118 R)
• M4: 1,718,580 km (0.086 R)
• M5: 2,642,198 km (0.064 R)
• M6: 3,367,298 km (0.062 R)
• M7: 3,897,324 km (0.107 R)
• M8: 4,981,310 km (0.097 R)
• M9: 6,223,271 km (0.066 R)
• M10: 6,668,624 km (0.077 R)
• M11: 7,700,700 km (0.12 R)
• M12: 8,214,868 km (0.111 R)
• M13: 8,625,813 km (0.047 R)
• M14: 9,312,019 km (0.089 R)
• M15: 9,850,421 km (0.034 R)
• M16: 12,374,137 km (0.106 R)
• M17: 13,472,335 km (0.107 R)
• M18: 14,995,990 km (0.11 R)
• M19: 20,779,593 km (0.067 R)
• M20: 24,626,951 km (0.11 R)
• M21: 26,897,697 km (0.057 R)
• M22: 30,073,361 km (0.103 R)
• M23: 32,358,319 km (0.104 R)
• M24: 33,076,239 km (0.092 R)
• M25: 35,293,429 km (0.101 R)
• M26: 36,273,445 km (0.035 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 11,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit