🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 8.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.02 AU - 1.28 AU

Year: 851 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,922,308 km

• M1: 100,829 km (0.069 R)
• M2: 354,697 km (0.093 R)
• M3: 639,980 km (0.063 R)
• M4: 900,430 km (0.081 R)
• M5: 1,664,725 km (0.048 R)
• M6: 2,286,603 km (0.098 R)
• M7: 2,686,479 km (0.076 R)
• M8: 2,978,494 km (0.084 R)
• M9: 3,892,985 km (0.094 R)
• M10: 4,876,591 km (0.097 R)
• M11: 5,369,666 km (0.108 R)
• M12: 5,875,456 km (0.063 R)
• M13: 6,243,916 km (0.119 R)
• M14: 6,498,083 km (0.112 R)
• M15: 6,982,032 km (0.051 R)
• M16: 7,466,280 km (0.12 R)
• M17: 8,146,502 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 10.6

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.03 AU - 1.41 AU

Year: 930 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,922,308 km

• M1: 132,095 km (0.093 R)
• M2: 509,231 km (0.073 R)
• M3: 1,008,140 km (0.07 R)
• M4: 1,393,953 km (0.12 R)
• M5: 1,859,950 km (0.075 R)
• M6: 2,292,737 km (0.115 R)
• M7: 2,704,281 km (0.116 R)
• M8: 3,206,780 km (0.087 R)
• M9: 4,060,685 km (0.063 R)
• M10: 5,002,104 km (0.073 R)
• M11: 6,281,315 km (0.036 R)
• M12: 6,667,427 km (0.087 R)
• M13: 8,212,175 km (0.084 R)
• M14: 8,869,957 km (0.056 R)
• M15: 9,415,391 km (0.098 R)
• M16: 9,982,965 km (0.071 R)
• M17: 10,478,583 km (0.072 R)
• M18: 10,925,581 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 9.2

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.98 AU - 1.56 AU

Year: 988 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,922,308 km

• M1: 114,742 km (0.076 R)
• M2: 455,077 km (0.098 R)
• M3: 895,792 km (0.076 R)
• M4: 1,429,707 km (0.116 R)
• M5: 1,779,018 km (0.113 R)
• M6: 3,049,702 km (0.08 R)
• M7: 3,851,547 km (0.097 R)
• M8: 4,678,673 km (0.113 R)
• M9: 5,578,953 km (0.071 R)
• M10: 5,995,434 km (0.064 R)
• M11: 6,797,278 km (0.119 R)
• M12: 7,469,122 km (0.083 R)
• M13: 8,861,131 km (0.03 R)
• M14: 9,429,004 km (0.038 R)
• M15: 10,233,691 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 8.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.33 AU - 1.39 AU

Year: 1095 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,922,308 km

• M1: 103,223 km (0.068 R)
• M2: 753,524 km (0.117 R)
• M3: 1,068,877 km (0.032 R)
• M4: 1,596,359 km (0.093 R)
• M5: 2,206,569 km (0.118 R)
• M6: 2,771,600 km (0.084 R)
• M7: 3,308,806 km (0.118 R)
• M8: 3,795,747 km (0.079 R)
• M9: 5,142,427 km (0.072 R)
• M10: 6,276,379 km (0.093 R)
• M11: 6,653,365 km (0.086 R)
• M12: 7,828,008 km (0.059 R)
• M13: 8,240,449 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 11.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.19 AU - 2.27 AU

Year: 2299 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 165.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,922,308 km

• M1: 143,016 km (0.072 R)
• M2: 586,424 km (0.038 R)
• M3: 1,081,144 km (0.039 R)
• M4: 1,718,580 km (0.109 R)
• M5: 2,847,147 km (0.106 R)
• M6: 3,249,715 km (0.119 R)
• M7: 4,231,226 km (0.086 R)
• M8: 4,868,962 km (0.08 R)
• M9: 5,258,216 km (0.075 R)
• M10: 7,708,629 km (0.099 R)
• M11: 8,595,295 km (0.119 R)
• M12: 9,408,360 km (0.043 R)
• M13: 11,148,333 km (0.076 R)
• M14: 13,446,006 km (0.119 R)
• M15: 13,850,070 km (0.041 R)
• M16: 14,682,433 km (0.07 R)
• M17: 15,207,372 km (0.034 R)
• M18: 18,348,628 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 9.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.86 AU - 2.68 AU

Year: 2361 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,922,308 km

• M1: 115,639 km (0.081 R)
• M2: 897,737 km (0.076 R)
• M3: 1,864,737 km (0.106 R)
• M4: 2,755,443 km (0.112 R)
• M5: 6,372,869 km (0.083 R)
• M6: 6,687,324 km (0.098 R)
• M7: 7,433,369 km (0.113 R)
• M8: 8,419,069 km (0.112 R)
• M9: 9,422,123 km (0.112 R)
• M10: 10,575,522 km (0.074 R)
• M11: 13,888,816 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.4

Radius: 6.6

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.64 AU - 9.22 AU

Year: 16895 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,922,308 km

• M1: 82,129 km (0.045 R)
• M2: 533,616 km (0.11 R)
• M3: 1,025,344 km (0.117 R)
• M4: 1,425,069 km (0.101 R)
• M5: 1,768,546 km (0.112 R)
• M6: 2,146,729 km (0.069 R)
• M7: 2,491,253 km (0.077 R)
• M8: 5,385,823 km (0.063 R)
• M9: 6,836,024 km (0.091 R)
• M10: 8,189,137 km (0.03 R)
• M11: 9,604,931 km (0.104 R)
• M12: 10,884,143 km (0.076 R)
• M13: 14,118,598 km (0.087 R)
• M14: 14,678,094 km (0.114 R)
• M15: 16,217,307 km (0.116 R)
• M16: 16,675,974 km (0.098 R)
• M17: 21,293,312 km (0.117 R)
• M18: 25,039,841 km (0.09 R)
• M19: 26,275,370 km (0.111 R)
• M20: 28,979,352 km (0.113 R)
• M21: 29,768,331 km (0.116 R)
• M22: 31,154,355 km (0.058 R)
• M23: 32,341,713 km (0.12 R)
• M24: 32,703,740 km (0.042 R)
• M25: 33,313,052 km (0.104 R)
• M26: 36,343,756 km (0.12 R)
• M27: 37,659,020 km (0.11 R)
• M28: 38,869,566 km (0.062 R)
• M29: 45,314,093 km (0.059 R)
• M30: 46,836,849 km (0.047 R)
• M31: 51,118,490 km (0.096 R)
• M32: 52,601,603 km (0.11 R)
• M33: 53,774,899 km (0.046 R)
• M34: 58,642,665 km (0.119 R)
• M35: 60,449,956 km (0.079 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: 473 - 18,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit