🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 10.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.45 AU - 0.59 AU

Year: 264 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,357,470 km

• M1: 128,056 km (0.053 R)
• M2: 487,240 km (0.026 R)
• M3: 1,378,544 km (0.117 R)
• M4: 2,348,238 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 8.5

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,357,470 km

• M1: 105,766 km (0.111 R)
• M2: 487,839 km (0.111 R)
• M3: 775,964 km (0.081 R)
• M4: 1,103,135 km (0.078 R)
• M5: 1,441,226 km (0.12 R)
• M6: 1,709,455 km (0.117 R)
• M7: 2,079,410 km (0.1 R)
• M8: 3,116,722 km (0.12 R)
• M9: 3,608,899 km (0.058 R)
• M10: 4,583,230 km (0.075 R)
• M11: 4,965,004 km (0.119 R)
• M12: 5,501,462 km (0.046 R)
• M13: 5,915,549 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 12.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.2 AU - 1.46 AU

Year: 1078 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,357,470 km

• M1: 162,463 km (0.094 R)
• M2: 651,349 km (0.082 R)
• M3: 1,101,340 km (0.062 R)
• M4: 1,515,426 km (0.046 R)
• M5: 1,934,300 km (0.083 R)
• M6: 2,441,288 km (0.077 R)
• M7: 3,106,101 km (0.057 R)
• M8: 3,957,462 km (0.078 R)
• M9: 4,942,564 km (0.038 R)
• M10: 5,545,443 km (0.117 R)
• M11: 6,444,527 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 10.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.72 AU - 2.72 AU

Year: 3153 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,357,470 km

• M1: 134,339 km (0.053 R)
• M2: 514,168 km (0.073 R)
• M3: 891,155 km (0.059 R)
• M4: 1,459,926 km (0.092 R)
• M5: 2,102,000 km (0.06 R)
• M6: 4,149,695 km (0.041 R)
• M7: 4,596,993 km (0.112 R)
• M8: 5,076,305 km (0.054 R)
• M9: 5,488,746 km (0.071 R)
• M10: 5,949,507 km (0.056 R)
• M11: 7,801,379 km (0.12 R)
• M12: 8,619,979 km (0.109 R)
• M13: 9,315,160 km (0.063 R)
• M14: 9,786,693 km (0.045 R)
• M15: 10,350,677 km (0.098 R)
• M16: 11,298,080 km (0.111 R)
• M17: 17,188,347 km (0.112 R)
• M18: 18,685,821 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 11.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.11 AU - 3.31 AU

Year: 4043 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,357,470 km

• M1: 144,362 km (0.063 R)
• M2: 509,680 km (0.091 R)
• M3: 1,099,993 km (0.109 R)
• M4: 1,526,347 km (0.112 R)
• M5: 3,087,102 km (0.112 R)
• M6: 3,481,591 km (0.074 R)
• M7: 4,137,129 km (0.105 R)
• M8: 5,030,528 km (0.06 R)
• M9: 7,647,892 km (0.094 R)
• M10: 8,641,371 km (0.063 R)
• M11: 9,109,762 km (0.097 R)
• M12: 10,573,428 km (0.115 R)
• M13: 12,828,017 km (0.053 R)
• M14: 14,827,243 km (0.09 R)
• M15: 16,965,895 km (0.09 R)
• M16: 18,267,246 km (0.095 R)
• M17: 20,172,226 km (0.106 R)
• M18: 23,460,387 km (0.116 R)
• M19: 23,838,122 km (0.054 R)
• M20: 24,528,067 km (0.098 R)
• M21: 25,628,060 km (0.084 R)
• M22: 26,515,026 km (0.102 R)
• M23: 27,589,587 km (0.117 R)
• M24: 28,607,002 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 11.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.58 AU - 5.04 AU

Year: 6290 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,357,470 km

• M1: 143,016 km (0.043 R)
• M2: 509,530 km (0.093 R)
• M3: 900,579 km (0.111 R)
• M4: 1,320,052 km (0.066 R)
• M5: 3,816,092 km (0.067 R)
• M6: 4,694,232 km (0.11 R)
• M7: 6,506,909 km (0.088 R)
• M8: 8,111,346 km (0.113 R)
• M9: 10,971,059 km (0.088 R)
• M10: 13,734,880 km (0.085 R)
• M11: 19,341,359 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 14.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.29 AU - 4.91 AU

Year: 6935 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,357,470 km

• M1: 250,128 km (0.053 R)
• M2: 832,063 km (0.11 R)
• M3: 1,494,333 km (0.081 R)
• M4: 1,989,652 km (0.095 R)
• M5: 2,484,521 km (0.07 R)
• M6: 3,014,696 km (0.09 R)
• M7: 4,899,779 km (0.073 R)
• M8: 5,403,475 km (0.084 R)
• M9: 5,967,160 km (0.107 R)
• M10: 7,126,992 km (0.119 R)
• M11: 7,898,319 km (0.117 R)
• M12: 10,035,624 km (0.116 R)
• M13: 10,967,169 km (0.047 R)
• M14: 12,078,233 km (0.061 R)
• M15: 12,916,879 km (0.107 R)
• M16: 14,570,533 km (0.049 R)
• M17: 16,869,853 km (0.028 R)
• M18: 17,599,142 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.6

Radius: 5.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.39 AU - 7.25 AU

Year: 9869 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,357,470 km

• M1: 63,429 km (0.106 R)
• M2: 227,838 km (0.064 R)
• M3: 615,296 km (0.113 R)
• M4: 1,119,441 km (0.114 R)
• M5: 3,201,544 km (0.056 R)
• M6: 3,660,211 km (0.116 R)
• M7: 6,565,402 km (0.111 R)
• M8: 6,860,858 km (0.081 R)
• M9: 7,728,376 km (0.098 R)
• M10: 9,890,214 km (0.037 R)
• M11: 10,722,128 km (0.102 R)
• M12: 12,574,000 km (0.097 R)
• M13: 13,029,825 km (0.062 R)
• M14: 15,881,609 km (0.038 R)
• M15: 17,019,600 km (0.091 R)
• M16: 17,327,921 km (0.064 R)
• M17: 18,019,363 km (0.09 R)
• M18: 20,479,799 km (0.088 R)
• M19: 24,615,731 km (0.107 R)
• M20: 27,974,353 km (0.055 R)
• M21: 28,231,362 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.9

Radius: 4.7

Gravity: 29.87 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.17 AU - 9.77 AU

Year: 20485 Days

Day: 21.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,357,470 km

• M1: 61,186 km (0.115 R)
• M2: 272,268 km (0.107 R)
• M3: 659,727 km (0.079 R)
• M4: 2,180,987 km (0.106 R)
• M5: 2,605,845 km (0.104 R)
• M6: 3,357,874 km (0.082 R)
• M7: 4,049,914 km (0.097 R)
• M8: 4,796,557 km (0.115 R)
• M9: 5,394,350 km (0.062 R)
• M10: 9,034,963 km (0.116 R)
• M11: 9,768,591 km (0.113 R)
• M12: 10,359,204 km (0.106 R)
• M13: 15,255,392 km (0.038 R)
• M14: 16,211,622 km (0.071 R)
• M15: 16,456,813 km (0.082 R)
• M16: 17,547,830 km (0.114 R)
• M17: 18,865,488 km (0.1 R)
• M18: 22,294,571 km (0.109 R)
• M19: 22,597,806 km (0.089 R)
• M20: 23,316,025 km (0.103 R)
• M21: 26,680,182 km (0.109 R)
• M22: 31,227,957 km (0.083 R)
• M23: 31,990,308 km (0.048 R)
• M24: 32,375,971 km (0.108 R)
• M25: 32,895,225 km (0.086 R)
• M26: 42,590,663 km (0.103 R)
• M27: 61,628,339 km (0.075 R)
• M28: 71,212,925 km (0.035 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 13,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit