🌌 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: 70.8

Radius: 8.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.43 AU - 0.61 AU

Year: 254 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,836,513 km

• M1: 104,719 km (0.05 R)
• M2: 520,301 km (0.064 R)
• M3: 899,831 km (0.092 R)
• M4: 1,662,930 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 14.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.91 AU - 1.49 AU

Year: 892 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,836,513 km

• M1: 182,958 km (0.097 R)
• M2: 872,754 km (0.11 R)
• M3: 1,353,262 km (0.106 R)
• M4: 2,305,303 km (0.118 R)
• M5: 2,905,789 km (0.037 R)
• M6: 3,822,525 km (0.083 R)
• M7: 4,374,840 km (0.076 R)
• M8: 5,501,013 km (0.116 R)
• M9: 6,208,312 km (0.04 R)
• M10: 6,697,796 km (0.064 R)
• M11: 7,213,161 km (0.109 R)
• M12: 7,856,431 km (0.06 R)
• M13: 9,545,990 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.5

Radius: 11.5

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.84 AU - 2 AU

Year: 1804 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,836,513 km

• M1: 143,016 km (0.043 R)
• M2: 686,505 km (0.1 R)
• M3: 1,048,531 km (0.073 R)
• M4: 1,412,952 km (0.083 R)
• M5: 1,809,386 km (0.09 R)
• M6: 2,192,656 km (0.076 R)
• M7: 2,574,430 km (0.115 R)
• M8: 3,079,023 km (0.08 R)
• M9: 4,388,753 km (0.108 R)
• M10: 6,268,300 km (0.103 R)
• M11: 7,243,828 km (0.082 R)
• M12: 7,708,629 km (0.104 R)
• M13: 9,358,693 km (0.106 R)
• M14: 10,521,069 km (0.082 R)
• M15: 11,156,261 km (0.08 R)
• M16: 12,136,726 km (0.071 R)
• M17: 12,668,845 km (0.108 R)
• M18: 13,216,373 km (0.118 R)
• M19: 13,604,730 km (0.084 R)
• M20: 14,861,651 km (0.058 R)
• M21: 15,234,748 km (0.107 R)
• M22: 15,757,742 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 13.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.89 AU - 2.71 AU

Year: 2366 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,836,513 km

• M1: 162,912 km (0.07 R)
• M2: 799,301 km (0.067 R)
• M3: 1,212,640 km (0.112 R)
• M4: 2,216,592 km (0.091 R)
• M5: 2,626,191 km (0.065 R)
• M6: 3,086,952 km (0.107 R)
• M7: 3,734,561 km (0.114 R)
• M8: 5,230,241 km (0.108 R)
• M9: 6,457,242 km (0.103 R)
• M10: 7,183,989 km (0.117 R)
• M11: 7,964,591 km (0.098 R)
• M12: 16,698,563 km (0.079 R)
• M13: 17,732,883 km (0.114 R)
• M14: 19,334,328 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 12.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.28 AU - 3.08 AU

Year: 2976 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 131.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,836,513 km

• M1: 160,369 km (0.072 R)
• M2: 783,594 km (0.112 R)
• M3: 1,479,224 km (0.073 R)
• M4: 3,239,542 km (0.11 R)
• M5: 4,220,904 km (0.117 R)
• M6: 6,092,822 km (0.087 R)
• M7: 9,091,811 km (0.11 R)
• M8: 10,710,908 km (0.091 R)
• M9: 11,949,429 km (0.104 R)
• M10: 12,826,671 km (0.07 R)
• M11: 13,605,627 km (0.11 R)
• M12: 16,555,996 km (0.064 R)
• M13: 17,590,615 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.4

Radius: 6.2

Gravity: 23.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.65 AU - 8.39 AU

Year: 12615 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,836,513 km

• M1: 79,287 km (0.096 R)
• M2: 768,035 km (0.108 R)
• M3: 1,500,167 km (0.048 R)
• M4: 1,804,150 km (0.101 R)
• M5: 3,667,841 km (0.105 R)
• M6: 4,252,319 km (0.1 R)
• M7: 5,791,682 km (0.082 R)
• M8: 7,133,874 km (0.088 R)
• M9: 7,947,237 km (0.119 R)
• M10: 8,821,038 km (0.067 R)
• M11: 11,886,299 km (0.112 R)
• M12: 14,376,505 km (0.099 R)
• M13: 16,804,179 km (0.118 R)
• M14: 17,911,802 km (0.104 R)
• M15: 19,067,445 km (0.092 R)
• M16: 21,162,713 km (0.105 R)
• M17: 22,172,499 km (0.106 R)
• M18: 23,213,999 km (0.069 R)
• M19: 23,893,473 km (0.062 R)
• M20: 24,686,192 km (0.056 R)
• M21: 26,533,726 km (0.116 R)
• M22: 29,701,012 km (0.068 R)
• M23: 30,501,510 km (0.061 R)
• M24: 37,167,591 km (0.107 R)
• M25: 47,015,918 km (0.034 R)
• M26: 57,582,614 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.4

Radius: 4.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.15 AU - 8.97 AU

Year: 14099 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,836,513 km

• M1: 85,271 km (0.025 R)
• M2: 378,183 km (0.043 R)
• M3: 552,465 km (0.084 R)
• M4: 893,698 km (0.048 R)
• M5: 1,464,414 km (0.094 R)
• M6: 1,653,206 km (0.094 R)
• M7: 1,998,777 km (0.115 R)
• M8: 2,163,335 km (0.056 R)
• M9: 3,951,329 km (0.111 R)
• M10: 4,941,666 km (0.088 R)
• M11: 5,305,788 km (0.074 R)
• M12: 9,656,393 km (0.088 R)
• M13: 10,128,524 km (0.11 R)
• M14: 12,946,948 km (0.066 R)
• M15: 13,231,632 km (0.062 R)
• M16: 14,780,270 km (0.083 R)
• M17: 16,982,201 km (0.054 R)
• M18: 19,025,408 km (0.047 R)
• M19: 24,016,891 km (0.12 R)
• M20: 28,935,220 km (0.087 R)
• M21: 32,144,992 km (0.067 R)
• M22: 32,457,502 km (0.087 R)
• M23: 36,367,841 km (0.114 R)
• M24: 36,707,129 km (0.107 R)
• M25: 37,853,647 km (0.081 R)
• M26: 39,617,705 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.4

Radius: 6.9

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.12 AU - 10.86 AU

Year: 19829 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,836,513 km

• M1: 85,869 km (0.08 R)
• M2: 318,494 km (0.103 R)
• M3: 687,552 km (0.119 R)
• M4: 1,088,474 km (0.081 R)
• M5: 1,730,698 km (0.094 R)
• M6: 2,335,522 km (0.108 R)
• M7: 2,622,451 km (0.051 R)
• M8: 3,844,516 km (0.117 R)
• M9: 4,518,454 km (0.083 R)
• M10: 4,738,363 km (0.095 R)
• M11: 6,888,683 km (0.027 R)
• M12: 8,061,231 km (0.085 R)
• M13: 11,419,853 km (0.119 R)
• M14: 13,308,526 km (0.087 R)
• M15: 15,752,357 km (0.084 R)
• M16: 17,848,672 km (0.115 R)
• M17: 28,204,135 km (0.029 R)
• M18: 33,962,457 km (0.116 R)
• M19: 34,565,934 km (0.119 R)
• M20: 34,931,402 km (0.117 R)
• M21: 35,546,399 km (0.084 R)
• M22: 36,419,302 km (0.041 R)
• M23: 40,054,531 km (0.071 R)
• M24: 44,209,911 km (0.098 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: 512 - 17,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit