🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 13.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.64 AU - 0.66 AU

Year: 349 Days

Day: 11.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,973,874 km

• M1: 171,589 km (0.089 R)
• M2: 657,034 km (0.07 R)
• M3: 1,086,529 km (0.12 R)
• M4: 1,607,878 km (0.103 R)
• M5: 2,104,244 km (0.117 R)
• M6: 2,739,436 km (0.082 R)
• M7: 3,543,525 km (0.114 R)
• M8: 4,151,491 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 13.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.8 AU - 1.16 AU

Year: 647 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,973,874 km

• M1: 169,794 km (0.059 R)
• M2: 647,609 km (0.088 R)
• M3: 1,309,580 km (0.076 R)
• M4: 1,748,350 km (0.06 R)
• M5: 2,221,080 km (0.108 R)
• M6: 3,560,878 km (0.09 R)
• M7: 4,125,760 km (0.091 R)
• M8: 4,592,355 km (0.105 R)
• M9: 5,906,573 km (0.094 R)
• M10: 6,481,777 km (0.112 R)
• M11: 6,989,661 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 11.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.85 AU - 1.15 AU

Year: 667 Days

Day: 12.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,973,874 km

• M1: 143,016 km (0.101 R)
• M2: 561,890 km (0.099 R)
• M3: 1,162,076 km (0.116 R)
• M4: 2,033,035 km (0.057 R)
• M5: 2,519,079 km (0.111 R)
• M6: 3,094,582 km (0.039 R)
• M7: 3,699,855 km (0.114 R)
• M8: 4,351,353 km (0.068 R)
• M9: 4,855,199 km (0.041 R)
• M10: 5,470,645 km (0.097 R)
• M11: 6,378,255 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 8.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.57 AU - 5.07 AU

Year: 5988 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,973,874 km

• M1: 105,766 km (0.118 R)
• M2: 408,851 km (0.109 R)
• M3: 750,682 km (0.049 R)
• M4: 1,072,018 km (0.036 R)
• M5: 1,663,678 km (0.119 R)
• M6: 2,014,784 km (0.077 R)
• M7: 2,344,647 km (0.105 R)
• M8: 2,997,493 km (0.068 R)
• M9: 3,903,008 km (0.054 R)
• M10: 4,228,384 km (0.058 R)
• M11: 5,290,230 km (0.055 R)
• M12: 6,108,829 km (0.12 R)
• M13: 6,576,771 km (0.069 R)
• M14: 7,899,366 km (0.118 R)
• M15: 8,421,762 km (0.108 R)
• M16: 9,141,926 km (0.08 R)
• M17: 9,462,963 km (0.057 R)
• M18: 12,481,848 km (0.11 R)
• M19: 13,145,464 km (0.058 R)
• M20: 13,463,060 km (0.081 R)
• M21: 14,113,811 km (0.03 R)
• M22: 14,785,356 km (0.079 R)
• M23: 15,832,391 km (0.07 R)
• M24: 19,386,089 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 12.6

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.93 AU - 6.25 AU

Year: 8813 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,973,874 km

• M1: 156,629 km (0.069 R)
• M2: 656,735 km (0.061 R)
• M3: 1,163,423 km (0.064 R)
• M4: 1,963,921 km (0.029 R)
• M5: 2,478,388 km (0.119 R)
• M6: 2,949,621 km (0.118 R)
• M7: 3,940,408 km (0.032 R)
• M8: 4,982,955 km (0.105 R)
• M9: 6,021,165 km (0.101 R)
• M10: 6,959,293 km (0.052 R)
• M11: 7,567,558 km (0.099 R)
• M12: 9,172,893 km (0.112 R)
• M13: 10,570,436 km (0.036 R)
• M14: 11,320,370 km (0.109 R)
• M15: 12,866,763 km (0.118 R)
• M16: 14,099,899 km (0.106 R)
• M17: 15,750,412 km (0.087 R)
• M18: 16,304,672 km (0.036 R)
• M19: 17,233,376 km (0.052 R)
• M20: 19,989,267 km (0.082 R)
• M21: 25,878,786 km (0.093 R)
• M22: 26,748,997 km (0.109 R)
• M23: 32,274,394 km (0.066 R)
• M24: 36,433,664 km (0.059 R)
• M25: 37,404,255 km (0.085 R)
• M26: 38,641,579 km (0.095 R)
• M27: 43,053,070 km (0.084 R)
• M28: 44,549,348 km (0.062 R)
• M29: 46,929,600 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 3.1

Gravity: 32.93 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.71 AU - 8.21 AU

Year: 12245 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,973,874 km

• M1: 38,596 km (0.108 R)
• M2: 165,006 km (0.093 R)
• M3: 324,627 km (0.12 R)
• M4: 521,199 km (0.048 R)
• M5: 1,240,765 km (0.069 R)
• M6: 1,337,854 km (0.115 R)
• M7: 1,533,827 km (0.101 R)
• M8: 1,902,436 km (0.078 R)
• M9: 2,031,988 km (0.115 R)
• M10: 2,291,091 km (0.065 R)
• M11: 2,513,693 km (0.106 R)
• M12: 3,899,867 km (0.039 R)
• M13: 4,056,346 km (0.059 R)
• M14: 4,163,010 km (0.117 R)
• M15: 5,399,137 km (0.114 R)
• M16: 5,792,729 km (0.089 R)
• M17: 8,010,368 km (0.046 R)
• M18: 8,306,123 km (0.091 R)
• M19: 8,653,040 km (0.043 R)
• M20: 8,919,474 km (0.097 R)
• M21: 11,094,477 km (0.073 R)
• M22: 11,356,124 km (0.086 R)
• M23: 13,070,366 km (0.09 R)
• M24: 13,658,286 km (0.103 R)
• M25: 15,657,512 km (0.057 R)
• M26: 17,419,026 km (0.113 R)
• M27: 17,772,227 km (0.06 R)
• M28: 19,083,602 km (0.114 R)
• M29: 20,224,435 km (0.051 R)
• M30: 22,391,211 km (0.087 R)
• M31: 24,179,803 km (0.082 R)
• M32: 35,571,382 km (0.077 R)
• M33: 36,139,704 km (0.072 R)
• M34: 38,235,271 km (0.109 R)
• M35: 39,312,974 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.2

Radius: 6.7

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.95 AU - 10.01 AU

Year: 16467 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,973,874 km

• M1: 83,476 km (0.116 R)
• M2: 372,798 km (0.057 R)
• M3: 722,707 km (0.107 R)
• M4: 1,004,550 km (0.119 R)
• M5: 1,266,496 km (0.08 R)
• M6: 1,514,379 km (0.091 R)
• M7: 3,643,007 km (0.043 R)
• M8: 6,858,763 km (0.104 R)
• M9: 8,036,547 km (0.091 R)
• M10: 8,697,620 km (0.037 R)
• M11: 9,242,156 km (0.085 R)
• M12: 9,496,922 km (0.039 R)
• M13: 9,967,557 km (0.118 R)
• M14: 14,308,588 km (0.051 R)
• M15: 14,718,934 km (0.116 R)
• M16: 19,430,071 km (0.084 R)
• M17: 21,229,284 km (0.106 R)
• M18: 23,043,458 km (0.1 R)
• M19: 23,701,987 km (0.088 R)
• M20: 32,730,369 km (0.077 R)
• M21: 33,203,995 km (0.119 R)
• M22: 41,005,973 km (0.078 R)
• M23: 44,818,026 km (0.084 R)
• M24: 47,486,702 km (0.104 R)
• M25: 51,207,052 km (0.066 R)
• M26: 53,792,402 km (0.106 R)
• M27: 56,463,323 km (0.027 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: 346 - 12,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit