🌌 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: 541.5

Radius: 14.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 11.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,305,276 km

• M1: 176,525 km (0.1 R)
• M2: 685,457 km (0.086 R)
• M3: 1,239,119 km (0.12 R)
• M4: 2,072,678 km (0.108 R)
• M5: 2,617,215 km (0.037 R)
• M6: 3,419,807 km (0.082 R)
• M7: 3,976,910 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 10.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 6.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,305,276 km

• M1: 132,095 km (0.087 R)
• M2: 651,200 km (0.112 R)
• M3: 1,337,555 km (0.095 R)
• M4: 1,757,326 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 8.7

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.34 AU - 2.16 AU

Year: 1544 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,305,276 km

• M1: 108,608 km (0.069 R)
• M2: 1,279,660 km (0.119 R)
• M3: 1,968,558 km (0.081 R)
• M4: 2,701,289 km (0.096 R)
• M5: 3,017,389 km (0.055 R)
• M6: 4,617,039 km (0.119 R)
• M7: 4,902,621 km (0.115 R)
• M8: 5,353,061 km (0.108 R)
• M9: 5,714,639 km (0.116 R)
• M10: 6,140,993 km (0.07 R)
• M11: 7,859,274 km (0.108 R)
• M12: 9,063,686 km (0.096 R)
• M13: 9,383,078 km (0.058 R)
• M14: 9,677,037 km (0.055 R)
• M15: 10,044,599 km (0.108 R)
• M16: 10,560,712 km (0.086 R)
• M17: 11,460,394 km (0.112 R)
• M18: 12,488,281 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 9.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.14 AU - 2.86 AU

Year: 2636 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,305,276 km

• M1: 120,725 km (0.046 R)
• M2: 567,574 km (0.119 R)
• M3: 883,226 km (0.087 R)
• M4: 1,464,563 km (0.044 R)
• M5: 1,837,062 km (0.103 R)
• M6: 2,321,161 km (0.088 R)
• M7: 2,804,212 km (0.069 R)
• M8: 3,815,344 km (0.1 R)
• M9: 5,638,942 km (0.115 R)
• M10: 6,614,769 km (0.094 R)
• M11: 6,972,757 km (0.115 R)
• M12: 7,839,527 km (0.119 R)
• M13: 9,430,949 km (0.104 R)
• M14: 10,767,008 km (0.076 R)
• M15: 12,726,291 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 12.3

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.51 AU - 2.85 AU

Year: 2926 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,305,276 km

• M1: 153,039 km (0.062 R)
• M2: 639,381 km (0.109 R)
• M3: 1,191,697 km (0.097 R)
• M4: 1,759,421 km (0.077 R)
• M5: 2,882,302 km (0.115 R)
• M6: 3,838,233 km (0.109 R)
• M7: 5,166,512 km (0.115 R)
• M8: 5,949,956 km (0.102 R)
• M9: 7,366,498 km (0.089 R)
• M10: 8,533,212 km (0.097 R)
• M11: 9,290,177 km (0.079 R)
• M12: 9,896,647 km (0.107 R)
• M13: 11,400,555 km (0.115 R)
• M14: 12,819,790 km (0.098 R)
• M15: 13,476,375 km (0.116 R)
• M16: 14,353,467 km (0.107 R)
• M17: 14,755,436 km (0.087 R)
• M18: 15,216,497 km (0.081 R)
• M19: 18,778,273 km (0.096 R)
• M20: 20,309,108 km (0.061 R)
• M21: 22,254,329 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.3

Radius: 4

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.11 AU - 9.31 AU

Year: 14276 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,305,276 km

• M1: 49,816 km (0.105 R)
• M2: 194,028 km (0.086 R)
• M3: 619,036 km (0.098 R)
• M4: 775,067 km (0.066 R)
• M5: 988,543 km (0.03 R)
• M6: 2,022,713 km (0.098 R)
• M7: 2,275,084 km (0.034 R)
• M8: 3,730,073 km (0.115 R)
• M9: 4,308,867 km (0.095 R)
• M10: 5,105,476 km (0.09 R)
• M11: 5,711,497 km (0.089 R)
• M12: 6,515,735 km (0.11 R)
• M13: 7,309,950 km (0.06 R)
• M14: 7,518,191 km (0.101 R)
• M15: 10,179,537 km (0.111 R)
• M16: 10,334,969 km (0.096 R)
• M17: 13,284,740 km (0.098 R)
• M18: 13,532,623 km (0.042 R)
• M19: 17,259,106 km (0.098 R)
• M20: 18,459,330 km (0.104 R)
• M21: 25,588,117 km (0.06 R)
• M22: 28,764,529 km (0.094 R)
• M23: 29,492,771 km (0.093 R)
• M24: 32,641,059 km (0.066 R)
• M25: 33,092,096 km (0.11 R)
• M26: 37,095,485 km (0.072 R)
• M27: 39,722,723 km (0.053 R)
• M28: 40,625,396 km (0.095 R)
• M29: 41,278,391 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.1

Radius: 5.2

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.84 AU - 10.72 AU

Year: 20396 Days

Day: 22.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,305,276 km

• M1: 64,925 km (0.083 R)
• M2: 236,065 km (0.075 R)
• M3: 538,104 km (0.101 R)
• M4: 1,748,799 km (0.095 R)
• M5: 2,648,182 km (0.059 R)
• M6: 3,067,056 km (0.083 R)
• M7: 7,508,467 km (0.07 R)
• M8: 7,943,348 km (0.075 R)
• M9: 9,459,373 km (0.119 R)
• M10: 11,660,556 km (0.097 R)
• M11: 12,777,753 km (0.114 R)
• M12: 15,222,930 km (0.075 R)
• M13: 19,810,199 km (0.081 R)
• M14: 25,778,555 km (0.081 R)
• M15: 26,324,139 km (0.11 R)
• M16: 30,481,464 km (0.117 R)
• M17: 31,214,344 km (0.076 R)
• M18: 32,209,618 km (0.047 R)
• M19: 32,842,417 km (0.117 R)
• M20: 34,263,597 km (0.113 R)
• M21: 35,590,680 km (0.108 R)
• M22: 36,539,878 km (0.107 R)
• M23: 38,772,477 km (0.11 R)
• M24: 39,632,515 km (0.08 R)
• M25: 44,748,313 km (0.106 R)
• M26: 45,853,543 km (0.078 R)
• M27: 48,944,983 km (0.111 R)
• M28: 52,346,090 km (0.11 R)
• M29: 58,110,096 km (0.11 R)
• M30: 58,483,792 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 17,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit