🌌 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: 984.5

Radius: 12.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 10.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,367,774 km

• M1: 156,779 km (0.109 R)
• M2: 568,023 km (0.115 R)
• M3: 1,134,999 km (0.072 R)
• M4: 1,560,455 km (0.048 R)
• M5: 2,205,671 km (0.092 R)
• M6: 2,777,584 km (0.04 R)
• M7: 3,491,764 km (0.107 R)
• M8: 3,886,852 km (0.041 R)
• M9: 4,443,057 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 9.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 10.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,367,774 km

• M1: 116,238 km (0.074 R)
• M2: 876,644 km (0.083 R)
• M3: 1,462,020 km (0.075 R)
• M4: 1,830,031 km (0.108 R)
• M5: 2,157,052 km (0.104 R)
• M6: 2,772,946 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 10.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.75 AU - 0.77 AU

Year: 457 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,367,774 km

• M1: 133,142 km (0.117 R)
• M2: 499,507 km (0.093 R)
• M3: 985,102 km (0.111 R)
• M4: 1,436,439 km (0.112 R)
• M5: 2,926,434 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 11.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.79 AU - 0.93 AU

Year: 551 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,367,774 km

• M1: 147,952 km (0.091 R)
• M2: 575,653 km (0.082 R)
• M3: 990,936 km (0.087 R)
• M4: 1,628,522 km (0.083 R)
• M5: 2,325,948 km (0.091 R)
• M6: 3,165,042 km (0.036 R)
• M7: 3,797,692 km (0.052 R)
• M8: 4,210,731 km (0.103 R)
• M9: 5,403,325 km (0.115 R)
• M10: 6,829,741 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 8.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.82 AU - 1.14 AU

Year: 670 Days

Day: 5 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,367,774 km

• M1: 102,026 km (0.096 R)
• M2: 375,491 km (0.091 R)
• M3: 641,924 km (0.06 R)
• M4: 940,522 km (0.103 R)
• M5: 1,448,855 km (0.078 R)
• M6: 1,967,810 km (0.09 R)
• M7: 2,409,124 km (0.116 R)
• M8: 2,724,327 km (0.036 R)
• M9: 3,150,980 km (0.08 R)
• M10: 3,515,999 km (0.046 R)
• M11: 4,452,781 km (0.063 R)
• M12: 5,130,010 km (0.099 R)
• M13: 5,493,683 km (0.106 R)
• M14: 5,800,508 km (0.118 R)
• M15: 6,330,832 km (0.104 R)
• M16: 6,872,377 km (0.102 R)
• M17: 7,186,532 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 8.1

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.27 AU - 1.57 AU

Year: 1168 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,367,774 km

• M1: 100,679 km (0.093 R)
• M2: 435,330 km (0.119 R)
• M3: 729,888 km (0.056 R)
• M4: 1,028,934 km (0.064 R)
• M5: 1,363,734 km (0.118 R)
• M6: 1,644,081 km (0.115 R)
• M7: 2,064,750 km (0.051 R)
• M8: 2,816,180 km (0.096 R)
• M9: 3,205,583 km (0.104 R)
• M10: 5,114,153 km (0.114 R)
• M11: 6,164,779 km (0.084 R)
• M12: 6,545,056 km (0.077 R)
• M13: 7,181,147 km (0.105 R)
• M14: 8,278,447 km (0.108 R)
• M15: 8,603,822 km (0.1 R)
• M16: 9,483,757 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.5

Radius: 13.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.24 AU - 2.3 AU

Year: 2361 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,367,774 km

• M1: 163,959 km (0.055 R)
• M2: 727,046 km (0.107 R)
• M3: 1,300,454 km (0.098 R)
• M4: 2,037,224 km (0.108 R)
• M5: 2,750,357 km (0.107 R)
• M6: 3,330,946 km (0.111 R)
• M7: 4,612,850 km (0.12 R)
• M8: 5,366,674 km (0.108 R)
• M9: 6,278,623 km (0.039 R)
• M10: 6,813,285 km (0.1 R)
• M11: 7,642,506 km (0.054 R)
• M12: 9,502,158 km (0.06 R)
• M13: 11,255,893 km (0.04 R)
• M14: 11,845,758 km (0.07 R)
• M15: 12,832,505 km (0.117 R)
• M16: 16,123,060 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 11.1

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.14 AU - 3.64 AU

Year: 4308 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,367,774 km

• M1: 138,079 km (0.112 R)
• M2: 516,711 km (0.103 R)
• M3: 1,163,871 km (0.091 R)
• M4: 1,607,728 km (0.105 R)
• M5: 2,031,539 km (0.053 R)
• M6: 2,398,203 km (0.034 R)
• M7: 2,956,503 km (0.099 R)
• M8: 3,955,667 km (0.058 R)
• M9: 5,650,312 km (0.057 R)
• M10: 6,040,313 km (0.107 R)
• M11: 7,389,985 km (0.103 R)
• M12: 8,192,428 km (0.117 R)
• M13: 8,693,282 km (0.083 R)
• M14: 9,214,481 km (0.094 R)
• M15: 10,100,399 km (0.086 R)
• M16: 11,846,655 km (0.1 R)
• M17: 12,437,717 km (0.084 R)
• M18: 13,466,501 km (0.083 R)
• M19: 16,832,004 km (0.092 R)
• M20: 17,706,105 km (0.042 R)
• M21: 21,291,068 km (0.096 R)
• M22: 21,725,201 km (0.072 R)
• M23: 22,611,269 km (0.056 R)
• M24: 24,931,682 km (0.062 R)
• M25: 25,333,203 km (0.034 R)
• M26: 26,397,741 km (0.065 R)
• M27: 30,131,405 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.1

Radius: 6.9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.62 AU - 7.9 AU

Year: 13503 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,367,774 km

• M1: 94,396 km (0.112 R)
• M2: 1,794,875 km (0.076 R)
• M3: 2,299,618 km (0.102 R)
• M4: 2,526,409 km (0.069 R)
• M5: 4,860,285 km (0.111 R)
• M6: 5,236,225 km (0.098 R)
• M7: 6,297,622 km (0.115 R)
• M8: 8,884,468 km (0.047 R)
• M9: 9,162,720 km (0.109 R)
• M10: 10,132,713 km (0.113 R)
• M11: 11,713,663 km (0.056 R)
• M12: 12,972,828 km (0.096 R)
• M13: 14,319,658 km (0.057 R)
• M14: 14,702,628 km (0.116 R)
• M15: 16,441,554 km (0.107 R)
• M16: 16,932,235 km (0.102 R)
• M17: 19,767,563 km (0.118 R)
• M18: 38,649,657 km (0.074 R)
• M19: 40,143,990 km (0.088 R)
• M20: 44,316,125 km (0.078 R)
• M21: 44,586,149 km (0.026 R)
• M22: 45,952,427 km (0.075 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit