🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241

Radius: 14.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.82 AU

Year: 368 Days

Day: 11.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 90,699,289 km

• M1: 181,612 km (0.098 R)
• M2: 850,464 km (0.107 R)
• M3: 1,825,842 km (0.09 R)
• M4: 2,291,839 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.2

Radius: 12.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.62 AU - 0.82 AU

Year: 401 Days

Day: 6.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,699,289 km

• M1: 154,385 km (0.066 R)
• M2: 587,770 km (0.118 R)
• M3: 1,187,358 km (0.055 R)
• M4: 1,600,248 km (0.062 R)
• M5: 2,077,166 km (0.085 R)
• M6: 2,570,839 km (0.079 R)
• M7: 3,120,163 km (0.082 R)
• M8: 3,734,412 km (0.068 R)
• M9: 4,138,176 km (0.094 R)
• M10: 5,065,384 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 10

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.69 AU - 3.91 AU

Year: 4859 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,699,289 km

• M1: 124,465 km (0.104 R)
• M2: 437,723 km (0.103 R)
• M3: 845,976 km (0.112 R)
• M4: 1,343,389 km (0.113 R)
• M5: 1,923,679 km (0.112 R)
• M6: 2,413,313 km (0.082 R)
• M7: 2,762,474 km (0.117 R)
• M8: 3,218,748 km (0.113 R)
• M9: 3,543,824 km (0.074 R)
• M10: 4,040,489 km (0.11 R)
• M11: 4,630,503 km (0.084 R)
• M12: 5,021,402 km (0.096 R)
• M13: 6,096,113 km (0.102 R)
• M14: 6,417,001 km (0.117 R)
• M15: 6,903,942 km (0.048 R)
• M16: 8,055,546 km (0.037 R)
• M17: 9,407,163 km (0.096 R)
• M18: 10,989,609 km (0.097 R)
• M19: 12,742,298 km (0.097 R)
• M20: 13,710,046 km (0.094 R)
• M21: 16,736,711 km (0.048 R)
• M22: 17,543,193 km (0.109 R)
• M23: 18,015,473 km (0.12 R)
• M24: 23,571,837 km (0.03 R)
• M25: 24,438,308 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 12.4

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.21 AU - 4.53 AU

Year: 5993 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 76.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,699,289 km

• M1: 154,235 km (0.093 R)
• M2: 885,470 km (0.087 R)
• M3: 2,028,846 km (0.107 R)
• M4: 3,070,197 km (0.028 R)
• M5: 3,482,190 km (0.042 R)
• M6: 4,625,566 km (0.12 R)
• M7: 6,789,649 km (0.051 R)
• M8: 7,407,787 km (0.082 R)
• M9: 8,311,059 km (0.087 R)
• M10: 8,854,698 km (0.109 R)
• M11: 10,927,825 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 14.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.36 AU - 5.56 AU

Year: 6179 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,699,289 km

• M1: 185,801 km (0.033 R)
• M2: 1,015,919 km (0.086 R)
• M3: 1,584,989 km (0.086 R)
• M4: 2,334,176 km (0.119 R)
• M5: 2,860,162 km (0.101 R)
• M6: 3,811,903 km (0.105 R)
• M7: 4,880,780 km (0.062 R)
• M8: 6,830,639 km (0.119 R)
• M9: 9,478,521 km (0.074 R)
• M10: 10,884,292 km (0.095 R)
• M11: 12,318,188 km (0.055 R)
• M12: 14,224,663 km (0.088 R)
• M13: 14,881,847 km (0.079 R)
• M14: 17,376,092 km (0.106 R)
• M15: 18,336,061 km (0.05 R)
• M16: 19,841,914 km (0.09 R)
• M17: 20,662,907 km (0.065 R)
• M18: 22,055,064 km (0.119 R)
• M19: 23,674,461 km (0.099 R)
• M20: 26,161,526 km (0.103 R)
• M21: 28,913,080 km (0.028 R)
• M22: 29,968,642 km (0.068 R)
• M23: 32,978,252 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.6

Radius: 6.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.1 AU - 7.62 AU

Year: 11787 Days

Day: 24.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 148.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,699,289 km

• M1: 96,491 km (0.116 R)
• M2: 312,510 km (0.087 R)
• M3: 1,016,069 km (0.074 R)
• M4: 1,357,152 km (0.092 R)
• M5: 1,620,893 km (0.114 R)
• M6: 2,757,388 km (0.108 R)
• M7: 2,975,352 km (0.116 R)
• M8: 3,537,092 km (0.099 R)
• M9: 5,041,747 km (0.074 R)
• M10: 5,308,630 km (0.068 R)
• M11: 8,151,887 km (0.09 R)
• M12: 9,736,129 km (0.052 R)
• M13: 10,385,832 km (0.07 R)
• M14: 11,113,476 km (0.071 R)
• M15: 13,900,185 km (0.086 R)
• M16: 16,466,238 km (0.113 R)
• M17: 17,589,119 km (0.113 R)
• M18: 17,997,222 km (0.035 R)
• M19: 20,881,918 km (0.05 R)
• M20: 22,117,297 km (0.115 R)
• M21: 24,988,230 km (0.118 R)
• M22: 26,735,383 km (0.061 R)
• M23: 28,469,372 km (0.06 R)
• M24: 34,013,469 km (0.034 R)
• M25: 36,046,804 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.6

Radius: 6.4

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.27 AU - 11.67 AU

Year: 22224 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,699,289 km

• M1: 80,484 km (0.109 R)
• M2: 317,746 km (0.1 R)
• M3: 548,725 km (0.099 R)
• M4: 918,830 km (0.063 R)
• M5: 1,125,574 km (0.087 R)
• M6: 1,582,147 km (0.089 R)
• M7: 1,923,380 km (0.083 R)
• M8: 2,335,821 km (0.114 R)
• M9: 3,161,751 km (0.12 R)
• M10: 4,595,647 km (0.104 R)
• M11: 5,291,426 km (0.1 R)
• M12: 5,966,711 km (0.08 R)
• M13: 12,457,463 km (0.076 R)
• M14: 13,801,152 km (0.106 R)
• M15: 19,555,733 km (0.086 R)
• M16: 20,246,576 km (0.067 R)
• M17: 21,572,462 km (0.096 R)
• M18: 22,631,016 km (0.117 R)
• M19: 23,946,580 km (0.082 R)
• M20: 24,509,367 km (0.077 R)
• M21: 25,544,734 km (0.114 R)
• M22: 26,728,951 km (0.092 R)
• M23: 30,896,448 km (0.069 R)
• M24: 33,203,397 km (0.103 R)
• M25: 43,083,289 km (0.104 R)
• M26: 46,825,779 km (0.041 R)
• M27: 49,679,658 km (0.032 R)
• M28: 63,963,711 km (0.036 R)
• M29: 65,701,889 km (0.092 R)
• M30: 77,284,953 km (0.099 R)
• M31: 81,260,516 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 20,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit