🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 10

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.69 AU - 0.91 AU

Year: 462 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,998,492 km

• M1: 129,851 km (0.087 R)
• M2: 460,462 km (0.119 R)
• M3: 896,690 km (0.097 R)
• M4: 1,279,660 km (0.088 R)
• M5: 1,618,499 km (0.12 R)
• M6: 2,059,514 km (0.075 R)
• M7: 3,396,171 km (0.073 R)
• M8: 4,193,677 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 10.4

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.24 AU - 1.74 AU

Year: 1174 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,998,492 km

• M1: 129,402 km (0.084 R)
• M2: 459,714 km (0.099 R)
• M3: 981,212 km (0.106 R)
• M4: 1,396,347 km (0.044 R)
• M5: 1,928,167 km (0.114 R)
• M6: 2,394,314 km (0.055 R)
• M7: 3,190,623 km (0.111 R)
• M8: 3,731,569 km (0.102 R)
• M9: 4,084,770 km (0.03 R)
• M10: 5,199,124 km (0.085 R)
• M11: 5,750,243 km (0.106 R)
• M12: 6,410,418 km (0.03 R)
• M13: 6,994,299 km (0.103 R)
• M14: 7,613,335 km (0.096 R)
• M15: 8,696,872 km (0.06 R)
• M16: 9,382,330 km (0.07 R)
• M17: 10,827,445 km (0.086 R)
• M18: 11,727,127 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.97 AU - 4.25 AU

Year: 4429 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,998,492 km

• M1: 121,922 km (0.108 R)
• M2: 457,470 km (0.061 R)
• M3: 827,875 km (0.116 R)
• M4: 1,172,997 km (0.081 R)
• M5: 1,786,797 km (0.056 R)
• M6: 3,170,128 km (0.109 R)
• M7: 3,971,524 km (0.118 R)
• M8: 5,972,246 km (0.117 R)
• M9: 6,422,835 km (0.095 R)
• M10: 8,199,459 km (0.096 R)
• M11: 8,871,303 km (0.088 R)
• M12: 9,947,211 km (0.105 R)
• M13: 10,495,188 km (0.118 R)
• M14: 12,118,475 km (0.063 R)
• M15: 12,792,862 km (0.1 R)
• M16: 13,441,219 km (0.073 R)
• M17: 14,111,418 km (0.063 R)
• M18: 14,588,336 km (0.078 R)
• M19: 16,083,716 km (0.106 R)
• M20: 17,076,148 km (0.065 R)
• M21: 19,441,590 km (0.117 R)
• M22: 19,966,080 km (0.074 R)
• M23: 22,229,944 km (0.086 R)
• M24: 22,731,247 km (0.106 R)
• M25: 23,094,022 km (0.098 R)
• M26: 23,608,339 km (0.109 R)
• M27: 25,197,069 km (0.092 R)
• M28: 25,507,634 km (0.078 R)
• M29: 27,017,675 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 14.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.4 AU - 4.74 AU

Year: 6308 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,998,492 km

• M1: 175,329 km (0.091 R)
• M2: 629,209 km (0.1 R)
• M3: 1,567,636 km (0.115 R)
• M4: 2,210,159 km (0.092 R)
• M5: 2,680,495 km (0.092 R)
• M6: 3,379,117 km (0.099 R)
• M7: 5,225,753 km (0.074 R)
• M8: 6,941,192 km (0.113 R)
• M9: 8,610,704 km (0.096 R)
• M10: 9,168,405 km (0.11 R)
• M11: 9,921,032 km (0.089 R)
• M12: 11,645,147 km (0.034 R)
• M13: 13,990,393 km (0.114 R)
• M14: 14,650,867 km (0.058 R)
• M15: 15,331,987 km (0.108 R)
• M16: 17,189,543 km (0.066 R)
• M17: 18,859,804 km (0.035 R)
• M18: 21,492,427 km (0.041 R)
• M19: 24,836,538 km (0.046 R)
• M20: 25,398,876 km (0.089 R)
• M21: 26,548,835 km (0.096 R)
• M22: 27,476,641 km (0.038 R)
• M23: 28,078,174 km (0.1 R)
• M24: 28,600,869 km (0.095 R)
• M25: 30,026,387 km (0.09 R)
• M26: 31,033,480 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.4

Radius: 7.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.09 AU - 10.77 AU

Year: 18697 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,998,492 km

• M1: 92,451 km (0.067 R)
• M2: 335,249 km (0.077 R)
• M3: 685,607 km (0.087 R)
• M4: 962,064 km (0.116 R)
• M5: 1,413,849 km (0.071 R)
• M6: 1,748,201 km (0.077 R)
• M7: 3,053,741 km (0.088 R)
• M8: 4,058,590 km (0.04 R)
• M9: 6,701,835 km (0.111 R)
• M10: 8,785,733 km (0.113 R)
• M11: 9,099,889 km (0.119 R)
• M12: 12,601,825 km (0.102 R)
• M13: 12,867,511 km (0.103 R)
• M14: 14,038,563 km (0.088 R)
• M15: 16,119,919 km (0.059 R)
• M16: 23,184,828 km (0.056 R)
• M17: 25,122,419 km (0.094 R)
• M18: 28,625,702 km (0.106 R)
• M19: 38,779,957 km (0.069 R)
• M20: 42,535,312 km (0.067 R)
• M21: 43,889,771 km (0.094 R)
• M22: 48,775,339 km (0.106 R)
• M23: 49,595,883 km (0.106 R)
• M24: 54,537,101 km (0.088 R)
• M25: 58,866,613 km (0.054 R)
• M26: 62,068,456 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit