🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.49 AU - 0.55 AU

Year: 242 Days

Day: 46.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,955,601 km

• M1: 536,757 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 14.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.21 AU - 1.31 AU

Year: 913 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,955,601 km

• M1: 176,974 km (0.07 R)
• M2: 642,373 km (0.036 R)
• M3: 1,487,302 km (0.052 R)
• M4: 2,403,140 km (0.087 R)
• M5: 3,114,478 km (0.115 R)
• M6: 3,683,399 km (0.065 R)
• M7: 4,131,744 km (0.119 R)
• M8: 4,600,135 km (0.101 R)
• M9: 5,939,484 km (0.086 R)
• M10: 6,732,951 km (0.109 R)
• M11: 7,315,635 km (0.05 R)
• M12: 7,762,783 km (0.092 R)
• M13: 8,660,221 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 10

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.21 AU - 1.87 AU

Year: 1234 Days

Day: 9.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,955,601 km

• M1: 125,064 km (0.105 R)
• M2: 503,397 km (0.063 R)
• M3: 876,195 km (0.064 R)
• M4: 1,265,000 km (0.029 R)
• M5: 1,894,208 km (0.025 R)
• M6: 2,349,584 km (0.116 R)
• M7: 2,779,828 km (0.066 R)
• M8: 3,182,695 km (0.094 R)
• M9: 3,581,074 km (0.071 R)
• M10: 3,997,255 km (0.114 R)
• M11: 4,395,933 km (0.087 R)
• M12: 5,089,170 km (0.031 R)
• M13: 5,558,458 km (0.115 R)
• M14: 5,873,811 km (0.063 R)
• M15: 6,242,869 km (0.111 R)
• M16: 7,096,025 km (0.099 R)
• M17: 7,682,449 km (0.11 R)
• M18: 8,351,900 km (0.057 R)
• M19: 8,714,076 km (0.103 R)
• M20: 9,113,801 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 12.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.27 AU - 1.83 AU

Year: 1246 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,955,601 km

• M1: 150,795 km (0.086 R)
• M2: 550,221 km (0.102 R)
• M3: 952,789 km (0.03 R)
• M4: 1,622,090 km (0.091 R)
• M5: 2,110,078 km (0.053 R)
• M6: 2,684,683 km (0.09 R)
• M7: 3,611,741 km (0.111 R)
• M8: 5,006,442 km (0.108 R)
• M9: 5,585,835 km (0.107 R)
• M10: 6,209,508 km (0.063 R)
• M11: 7,155,865 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.7

Radius: 11

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.83 AU - 3.03 AU

Year: 2446 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,955,601 km

• M1: 137,181 km (0.057 R)
• M2: 597,943 km (0.108 R)
• M3: 960,119 km (0.069 R)
• M4: 1,757,326 km (0.115 R)
• M5: 2,134,014 km (0.077 R)
• M6: 2,538,975 km (0.117 R)
• M7: 3,220,393 km (0.114 R)
• M8: 4,276,554 km (0.056 R)
• M9: 4,662,517 km (0.106 R)
• M10: 5,092,910 km (0.04 R)
• M11: 6,672,364 km (0.097 R)
• M12: 7,087,199 km (0.047 R)
• M13: 7,685,740 km (0.081 R)
• M14: 8,317,642 km (0.037 R)
• M15: 10,016,176 km (0.098 R)
• M16: 12,124,159 km (0.101 R)
• M17: 12,941,263 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.9

Radius: 14.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.14 AU - 3.84 AU

Year: 4210 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,955,601 km

• M1: 177,872 km (0.116 R)
• M2: 684,261 km (0.076 R)
• M3: 2,101,551 km (0.103 R)
• M4: 3,483,237 km (0.098 R)
• M5: 3,976,311 km (0.102 R)
• M6: 4,584,277 km (0.084 R)
• M7: 7,726,580 km (0.12 R)
• M8: 8,398,275 km (0.103 R)
• M9: 9,366,472 km (0.116 R)
• M10: 10,328,237 km (0.05 R)
• M11: 11,228,218 km (0.103 R)
• M12: 12,766,981 km (0.054 R)
• M13: 14,194,444 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 4.7

Gravity: 43.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.25 AU - 10.97 AU

Year: 17754 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,955,601 km

• M1: 59,989 km (0.082 R)
• M2: 352,303 km (0.116 R)
• M3: 661,671 km (0.117 R)
• M4: 1,176,587 km (0.079 R)
• M5: 1,429,258 km (0.114 R)
• M6: 1,663,678 km (0.098 R)
• M7: 1,827,787 km (0.117 R)
• M8: 2,341,356 km (0.096 R)
• M9: 3,618,174 km (0.118 R)
• M10: 3,958,360 km (0.074 R)
• M11: 4,595,946 km (0.107 R)
• M12: 7,200,146 km (0.09 R)
• M13: 8,407,700 km (0.103 R)
• M14: 14,288,541 km (0.094 R)
• M15: 15,853,784 km (0.106 R)
• M16: 26,316,360 km (0.11 R)
• M17: 26,888,871 km (0.089 R)
• M18: 30,499,266 km (0.106 R)
• M19: 32,289,354 km (0.111 R)
• M20: 37,499,249 km (0.028 R)
• M21: 38,810,325 km (0.114 R)
• M22: 54,561,186 km (0.056 R)
• M23: 55,491,236 km (0.097 R)
• M24: 60,300,508 km (0.077 R)
• M25: 74,543,422 km (0.078 R)
• M26: 75,458,213 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit