🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 13.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.86 AU - 1.32 AU

Year: 759 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,697,942 km

• M1: 162,912 km (0.093 R)
• M2: 927,058 km (0.08 R)
• M3: 1,458,130 km (0.107 R)
• M4: 2,390,724 km (0.057 R)
• M5: 2,995,398 km (0.039 R)
• M6: 4,099,730 km (0.045 R)
• M7: 4,649,502 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 12.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.64 AU - 1.82 AU

Year: 1517 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,697,942 km

• M1: 151,243 km (0.091 R)
• M2: 594,053 km (0.077 R)
• M3: 1,000,959 km (0.1 R)
• M4: 2,166,327 km (0.116 R)
• M5: 3,966,438 km (0.047 R)
• M6: 4,466,693 km (0.072 R)
• M7: 4,948,698 km (0.099 R)
• M8: 5,926,918 km (0.087 R)
• M9: 6,656,058 km (0.072 R)
• M10: 7,957,111 km (0.078 R)
• M11: 8,697,321 km (0.081 R)
• M12: 9,266,990 km (0.113 R)
• M13: 10,184,324 km (0.103 R)
• M14: 11,161,198 km (0.091 R)
• M15: 12,647,602 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.6

Radius: 14.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.88 AU - 2 AU

Year: 1802 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,697,942 km

• M1: 177,872 km (0.096 R)
• M2: 631,004 km (0.091 R)
• M3: 1,122,882 km (0.105 R)
• M4: 1,857,407 km (0.076 R)
• M5: 2,493,198 km (0.091 R)
• M6: 3,451,672 km (0.092 R)
• M7: 4,134,137 km (0.054 R)
• M8: 4,659,674 km (0.04 R)
• M9: 5,160,379 km (0.099 R)
• M10: 6,490,752 km (0.108 R)
• M11: 7,031,549 km (0.102 R)
• M12: 7,557,385 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 8.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.78 AU - 2.96 AU

Year: 2433 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,697,942 km

• M1: 109,506 km (0.108 R)
• M2: 457,321 km (0.041 R)
• M3: 765,642 km (0.108 R)
• M4: 1,141,581 km (0.07 R)
• M5: 1,573,171 km (0.114 R)
• M6: 1,848,730 km (0.116 R)
• M7: 2,512,646 km (0.074 R)
• M8: 3,735,309 km (0.117 R)
• M9: 4,140,420 km (0.079 R)
• M10: 4,956,177 km (0.105 R)
• M11: 5,534,523 km (0.098 R)
• M12: 6,350,579 km (0.071 R)
• M13: 6,723,975 km (0.072 R)
• M14: 7,763,830 km (0.117 R)
• M15: 9,030,625 km (0.051 R)
• M16: 9,992,539 km (0.115 R)
• M17: 10,327,788 km (0.098 R)
• M18: 10,740,230 km (0.046 R)
• M19: 13,088,019 km (0.114 R)
• M20: 13,368,365 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 10.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.38 AU - 3.38 AU

Year: 3259 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,697,942 km

• M1: 128,505 km (0.066 R)
• M2: 486,791 km (0.114 R)
• M3: 838,795 km (0.044 R)
• M4: 1,326,036 km (0.092 R)
• M5: 1,844,243 km (0.085 R)
• M6: 2,627,238 km (0.101 R)
• M7: 3,072,441 km (0.035 R)
• M8: 3,635,228 km (0.11 R)
• M9: 4,265,484 km (0.084 R)
• M10: 7,343,311 km (0.108 R)
• M11: 8,966,448 km (0.051 R)
• M12: 9,480,615 km (0.088 R)
• M13: 9,811,825 km (0.092 R)
• M14: 11,399,208 km (0.078 R)
• M15: 12,867,661 km (0.085 R)
• M16: 14,371,568 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 14.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.28 AU - 3.8 AU

Year: 3535 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,697,942 km

• M1: 180,864 km (0.07 R)
• M2: 681,717 km (0.069 R)
• M3: 1,428,660 km (0.096 R)
• M4: 2,090,181 km (0.081 R)
• M5: 3,230,716 km (0.09 R)
• M6: 4,199,811 km (0.093 R)
• M7: 5,071,218 km (0.06 R)
• M8: 5,775,974 km (0.051 R)
• M9: 6,684,781 km (0.108 R)
• M10: 7,687,087 km (0.113 R)
• M11: 9,553,619 km (0.111 R)
• M12: 10,364,140 km (0.087 R)
• M13: 11,461,590 km (0.117 R)
• M14: 19,326,998 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 8.1

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.4 AU - 5.3 AU

Year: 6050 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,697,942 km

• M1: 102,325 km (0.098 R)
• M2: 395,986 km (0.076 R)
• M3: 926,011 km (0.065 R)
• M4: 1,196,185 km (0.104 R)
• M5: 1,519,466 km (0.105 R)
• M6: 1,844,841 km (0.12 R)
• M7: 2,445,776 km (0.088 R)
• M8: 3,191,222 km (0.119 R)
• M9: 3,528,864 km (0.03 R)
• M10: 4,582,183 km (0.074 R)
• M11: 4,930,297 km (0.075 R)
• M12: 6,081,453 km (0.1 R)
• M13: 6,873,424 km (0.11 R)
• M14: 9,705,910 km (0.101 R)
• M15: 10,973,004 km (0.109 R)
• M16: 11,354,478 km (0.054 R)
• M17: 11,646,344 km (0.114 R)
• M18: 12,194,321 km (0.091 R)
• M19: 12,707,442 km (0.094 R)
• M20: 13,831,819 km (0.032 R)
• M21: 18,124,829 km (0.117 R)
• M22: 19,408,529 km (0.117 R)
• M23: 20,249,867 km (0.107 R)
• M24: 24,098,721 km (0.058 R)
• M25: 24,500,391 km (0.118 R)
• M26: 24,825,019 km (0.063 R)
• M27: 28,053,490 km (0.073 R)
• M28: 31,551,537 km (0.107 R)

Asteroid Belt

Center: 5.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.6

Radius: 7.8

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.27 AU - 8.65 AU

Year: 12245 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,697,942 km

• M1: 97,089 km (0.087 R)
• M2: 392,096 km (0.036 R)
• M3: 881,879 km (0.101 R)
• M4: 1,190,799 km (0.107 R)
• M5: 2,832,636 km (0.051 R)
• M6: 3,220,693 km (0.093 R)
• M7: 4,570,963 km (0.103 R)
• M8: 5,237,870 km (0.119 R)
• M9: 6,300,913 km (0.063 R)
• M10: 6,646,185 km (0.109 R)
• M11: 7,044,564 km (0.104 R)
• M12: 7,332,988 km (0.1 R)
• M13: 7,671,977 km (0.083 R)
• M14: 8,290,714 km (0.051 R)
• M15: 9,086,126 km (0.096 R)
• M16: 18,052,723 km (0.101 R)
• M17: 21,634,096 km (0.069 R)
• M18: 23,136,208 km (0.072 R)
• M19: 27,243,717 km (0.052 R)
• M20: 28,264,124 km (0.086 R)
• M21: 28,679,408 km (0.113 R)
• M22: 34,336,451 km (0.086 R)
• M23: 39,778,822 km (0.078 R)
• M24: 41,892,341 km (0.058 R)
• M25: 47,648,119 km (0.101 R)
• M26: 47,941,630 km (0.101 R)
• M27: 48,829,343 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.3

Radius: 4.1

Gravity: 47.55 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.54 AU - 8.74 AU

Year: 16936 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,697,942 km

• M1: 51,013 km (0.084 R)
• M2: 344,524 km (0.088 R)
• M3: 957,277 km (0.104 R)
• M4: 1,197,531 km (0.109 R)
• M5: 1,414,747 km (0.066 R)
• M6: 2,398,652 km (0.088 R)
• M7: 2,625,742 km (0.112 R)
• M8: 3,310,900 km (0.112 R)
• M9: 4,399,823 km (0.115 R)
• M10: 4,740,308 km (0.059 R)
• M11: 5,948,460 km (0.117 R)
• M12: 6,279,819 km (0.11 R)
• M13: 6,979,489 km (0.073 R)
• M14: 7,729,572 km (0.113 R)
• M15: 8,583,776 km (0.093 R)
• M16: 9,499,166 km (0.084 R)
• M17: 10,009,294 km (0.118 R)
• M18: 13,814,316 km (0.052 R)
• M19: 17,375,493 km (0.075 R)
• M20: 17,626,968 km (0.116 R)
• M21: 22,380,889 km (0.101 R)
• M22: 23,896,016 km (0.052 R)
• M23: 29,320,135 km (0.052 R)
• M24: 30,398,138 km (0.056 R)
• M25: 31,378,303 km (0.066 R)
• M26: 34,709,249 km (0.103 R)
• M27: 39,266,449 km (0.087 R)
• M28: 41,017,791 km (0.106 R)
• M29: 41,912,686 km (0.095 R)
• M30: 45,622,414 km (0.041 R)
• M31: 47,393,653 km (0.071 R)
• M32: 48,378,755 km (0.101 R)
• M33: 49,545,169 km (0.12 R)
• M34: 52,805,655 km (0.104 R)
• M35: 52,981,133 km (0.104 R)
• M36: 59,370,009 km (0.093 R)
• M37: 62,650,541 km (0.118 R)
• M38: 62,847,262 km (0.073 R)
• M39: 68,521,958 km (0.12 R)
• M40: 71,483,248 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit