🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 9.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.48 AU - 0.58 AU

Year: 271 Days

Day: 7.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,212,255 km

• M1: 115,789 km (0.104 R)
• M2: 442,511 km (0.086 R)
• M3: 885,470 km (0.102 R)
• M4: 1,264,700 km (0.089 R)
• M5: 1,654,552 km (0.112 R)
• M6: 2,026,154 km (0.084 R)
• M7: 2,352,427 km (0.069 R)
• M8: 3,330,647 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 8.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 14.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,212,255 km

• M1: 109,506 km (0.113 R)
• M2: 422,913 km (0.086 R)
• M3: 792,270 km (0.061 R)
• M4: 1,149,510 km (0.091 R)
• M5: 1,440,179 km (0.09 R)
• M6: 1,893,610 km (0.104 R)
• M7: 2,879,161 km (0.101 R)
• M8: 3,424,894 km (0.035 R)
• M9: 3,751,615 km (0.097 R)
• M10: 4,025,679 km (0.039 R)
• M11: 4,351,503 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.77 AU - 0.81 AU

Year: 494 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,212,255 km

• M1: 111,899 km (0.09 R)
• M2: 442,211 km (0.053 R)
• M3: 764,445 km (0.102 R)
• M4: 1,169,556 km (0.086 R)
• M5: 1,492,837 km (0.109 R)
• M6: 1,884,185 km (0.11 R)
• M7: 2,471,806 km (0.039 R)
• M8: 3,152,775 km (0.049 R)
• M9: 3,460,797 km (0.032 R)
• M10: 3,911,984 km (0.054 R)
• M11: 5,540,208 km (0.092 R)
• M12: 5,972,246 km (0.058 R)
• M13: 6,544,009 km (0.064 R)
• M14: 6,843,205 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 14.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.09 AU - 1.33 AU

Year: 936 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,212,255 km

• M1: 184,005 km (0.072 R)
• M2: 701,913 km (0.103 R)
• M3: 1,203,515 km (0.119 R)
• M4: 1,696,141 km (0.025 R)
• M5: 2,200,734 km (0.06 R)
• M6: 3,409,784 km (0.108 R)
• M7: 4,163,010 km (0.088 R)
• M8: 4,649,502 km (0.101 R)
• M9: 5,921,233 km (0.088 R)
• M10: 7,632,483 km (0.12 R)
• M11: 8,656,182 km (0.072 R)
• M12: 9,313,215 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 12.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.75 AU - 4.65 AU

Year: 6050 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,212,255 km

• M1: 158,125 km (0.071 R)
• M2: 565,630 km (0.105 R)
• M3: 1,454,989 km (0.117 R)
• M4: 2,039,917 km (0.056 R)
• M5: 2,548,101 km (0.111 R)
• M6: 3,470,222 km (0.041 R)
• M7: 4,104,068 km (0.069 R)
• M8: 5,634,155 km (0.08 R)
• M9: 6,252,593 km (0.1 R)
• M10: 6,813,435 km (0.083 R)
• M11: 7,371,734 km (0.096 R)
• M12: 8,189,137 km (0.079 R)
• M13: 11,101,508 km (0.072 R)
• M14: 12,480,352 km (0.109 R)
• M15: 14,587,139 km (0.107 R)
• M16: 17,237,714 km (0.063 R)
• M17: 18,475,935 km (0.1 R)
• M18: 19,219,437 km (0.085 R)
• M19: 19,912,673 km (0.101 R)
• M20: 20,838,535 km (0.11 R)
• M21: 21,942,268 km (0.061 R)
• M22: 23,631,228 km (0.077 R)
• M23: 25,076,193 km (0.088 R)
• M24: 28,053,341 km (0.071 R)
• M25: 31,735,692 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.8

Radius: 8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.72 AU - 5.82 AU

Year: 9743 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,212,255 km

• M1: 99,632 km (0.103 R)
• M2: 534,663 km (0.036 R)
• M3: 784,042 km (0.116 R)
• M4: 1,063,790 km (0.088 R)
• M5: 3,738,301 km (0.074 R)
• M6: 4,548,972 km (0.077 R)
• M7: 6,060,359 km (0.091 R)
• M8: 7,300,226 km (0.106 R)
• M9: 8,215,616 km (0.093 R)
• M10: 8,701,061 km (0.095 R)
• M11: 8,986,942 km (0.105 R)
• M12: 12,972,230 km (0.043 R)
• M13: 13,871,014 km (0.09 R)
• M14: 17,317,150 km (0.026 R)
• M15: 19,357,815 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.6

Radius: 4.9

Gravity: 29.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.09 AU - 7.39 AU

Year: 12300 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 53,212,255 km

• M1: 61,036 km (0.108 R)
• M2: 216,319 km (0.093 R)
• M3: 619,335 km (0.073 R)
• M4: 885,769 km (0.089 R)
• M5: 1,426,266 km (0.075 R)
• M6: 1,980,526 km (0.106 R)
• M7: 2,755,144 km (0.108 R)
• M8: 3,029,656 km (0.059 R)
• M9: 3,851,696 km (0.091 R)
• M10: 4,435,427 km (0.109 R)
• M11: 4,590,111 km (0.091 R)
• M12: 4,943,312 km (0.067 R)
• M13: 5,177,433 km (0.083 R)
• M14: 5,560,104 km (0.044 R)
• M15: 6,780,972 km (0.089 R)
• M16: 7,367,396 km (0.105 R)
• M17: 7,851,495 km (0.092 R)
• M18: 8,785,285 km (0.117 R)
• M19: 12,513,712 km (0.095 R)
• M20: 12,948,743 km (0.112 R)
• M21: 13,522,900 km (0.034 R)
• M22: 14,585,194 km (0.076 R)
• M23: 14,997,486 km (0.054 R)
• M24: 16,502,141 km (0.055 R)
• M25: 20,059,279 km (0.11 R)
• M26: 21,881,531 km (0.081 R)
• M27: 22,240,715 km (0.118 R)
• M28: 23,341,905 km (0.089 R)
• M29: 24,575,190 km (0.086 R)
• M30: 29,944,108 km (0.098 R)
• M31: 31,398,947 km (0.114 R)
• M32: 33,967,094 km (0.102 R)
• M33: 36,671,674 km (0.112 R)
• M34: 37,947,295 km (0.114 R)
• M35: 43,486,755 km (0.038 R)
• M36: 44,770,753 km (0.12 R)
• M37: 45,204,437 km (0.075 R)
• M38: 47,714,540 km (0.062 R)
• M39: 50,316,047 km (0.114 R)
• M40: 53,172,020 km (0.035 R)
• M41: 54,969,438 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614

Radius: 5.7

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.35 AU - 7.17 AU

Year: 12355 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,212,255 km

• M1: 71,358 km (0.105 R)
• M2: 584,479 km (0.071 R)
• M3: 983,456 km (0.111 R)
• M4: 1,669,363 km (0.082 R)
• M5: 1,895,106 km (0.118 R)
• M6: 2,272,092 km (0.098 R)
• M7: 3,127,194 km (0.063 R)
• M8: 3,680,108 km (0.067 R)
• M9: 4,566,924 km (0.084 R)
• M10: 5,176,236 km (0.028 R)
• M11: 6,021,613 km (0.03 R)
• M12: 6,874,321 km (0.053 R)
• M13: 10,120,894 km (0.113 R)
• M14: 13,232,530 km (0.108 R)
• M15: 25,679,222 km (0.06 R)
• M16: 26,073,114 km (0.095 R)
• M17: 29,802,289 km (0.108 R)
• M18: 33,053,051 km (0.082 R)
• M19: 41,993,469 km (0.066 R)
• M20: 42,953,588 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 16,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit