🌌 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: 358

Radius: 13.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 13.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,316,249 km

• M1: 170,392 km (0.066 R)
• M2: 653,443 km (0.087 R)
• M3: 1,270,684 km (0.069 R)
• M4: 1,722,171 km (0.051 R)
• M5: 2,203,726 km (0.1 R)
• M6: 2,676,605 km (0.117 R)
• M7: 3,125,548 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 13.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.65 AU - 0.89 AU

Year: 466 Days

Day: 5 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,316,249 km

• M1: 169,195 km (0.071 R)
• M2: 703,708 km (0.04 R)
• M3: 1,380,040 km (0.099 R)
• M4: 1,835,416 km (0.098 R)
• M5: 2,307,846 km (0.062 R)
• M6: 2,786,560 km (0.056 R)
• M7: 3,580,027 km (0.083 R)
• M8: 4,840,987 km (0.063 R)
• M9: 5,394,649 km (0.103 R)
• M10: 5,917,942 km (0.064 R)
• M11: 6,398,750 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 11.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.06 AU - 1.18 AU

Year: 818 Days

Day: 10.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,316,249 km

• M1: 138,079 km (0.07 R)
• M2: 493,972 km (0.032 R)
• M3: 1,255,874 km (0.111 R)
• M4: 1,688,212 km (0.115 R)
• M5: 2,069,687 km (0.054 R)
• M6: 2,431,713 km (0.111 R)
• M7: 2,848,493 km (0.116 R)
• M8: 3,326,608 km (0.12 R)
• M9: 3,723,491 km (0.086 R)
• M10: 4,088,959 km (0.094 R)
• M11: 4,682,264 km (0.105 R)
• M12: 5,659,587 km (0.047 R)
• M13: 6,333,675 km (0.104 R)
• M14: 7,720,297 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 11.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.6 AU - 4.16 AU

Year: 5275 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,316,249 km

• M1: 146,905 km (0.065 R)
• M2: 667,805 km (0.053 R)
• M3: 1,290,581 km (0.03 R)
• M4: 1,676,693 km (0.064 R)
• M5: 2,437,398 km (0.042 R)
• M6: 3,154,421 km (0.095 R)
• M7: 6,013,386 km (0.062 R)
• M8: 7,534,048 km (0.077 R)
• M9: 8,384,213 km (0.112 R)
• M10: 9,379,786 km (0.118 R)
• M11: 10,407,823 km (0.111 R)
• M12: 11,273,995 km (0.063 R)
• M13: 11,991,167 km (0.109 R)
• M14: 12,738,408 km (0.105 R)
• M15: 14,271,188 km (0.076 R)
• M16: 16,160,908 km (0.116 R)
• M17: 17,510,132 km (0.089 R)
• M18: 20,015,298 km (0.099 R)
• M19: 21,209,837 km (0.069 R)
• M20: 21,861,335 km (0.043 R)
• M21: 22,825,643 km (0.108 R)
• M22: 23,740,883 km (0.077 R)
• M23: 25,482,053 km (0.11 R)
• M24: 26,053,516 km (0.084 R)
• M25: 29,484,394 km (0.094 R)
• M26: 30,661,430 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.43 AU - 4.73 AU

Year: 5689 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,316,249 km

• M1: 190,288 km (0.116 R)
• M2: 733,329 km (0.113 R)
• M3: 1,370,765 km (0.108 R)
• M4: 1,782,159 km (0.098 R)
• M5: 2,328,192 km (0.1 R)
• M6: 4,663,863 km (0.089 R)
• M7: 6,080,854 km (0.094 R)
• M8: 6,792,491 km (0.118 R)
• M9: 7,354,830 km (0.11 R)
• M10: 8,070,356 km (0.101 R)
• M11: 10,242,667 km (0.082 R)
• M12: 14,442,777 km (0.09 R)
• M13: 16,394,431 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 11.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.77 AU - 4.77 AU

Year: 6091 Days

Day: 10.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,316,249 km

• M1: 140,472 km (0.11 R)
• M2: 492,027 km (0.088 R)
• M3: 922,570 km (0.064 R)
• M4: 1,668,016 km (0.094 R)
• M5: 2,216,442 km (0.107 R)
• M6: 2,646,835 km (0.104 R)
• M7: 3,078,126 km (0.109 R)
• M8: 4,285,979 km (0.119 R)
• M9: 4,735,670 km (0.069 R)
• M10: 5,112,806 km (0.102 R)
• M11: 6,954,207 km (0.093 R)
• M12: 7,747,225 km (0.096 R)
• M13: 8,272,912 km (0.077 R)
• M14: 9,086,724 km (0.056 R)
• M15: 10,240,124 km (0.067 R)
• M16: 10,917,054 km (0.026 R)
• M17: 11,533,547 km (0.049 R)
• M18: 12,313,102 km (0.087 R)
• M19: 16,461,750 km (0.108 R)
• M20: 19,544,812 km (0.113 R)
• M21: 21,527,882 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.9

Radius: 7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.06 AU - 9.32 AU

Year: 14720 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,316,249 km

• M1: 87,066 km (0.114 R)
• M2: 431,440 km (0.073 R)
• M3: 823,536 km (0.096 R)
• M4: 1,424,920 km (0.106 R)
• M5: 1,784,403 km (0.087 R)
• M6: 3,003,626 km (0.061 R)
• M7: 3,236,550 km (0.108 R)
• M8: 4,059,488 km (0.093 R)
• M9: 5,043,991 km (0.094 R)
• M10: 5,815,617 km (0.111 R)
• M11: 6,280,867 km (0.112 R)
• M12: 6,522,617 km (0.086 R)
• M13: 6,878,660 km (0.037 R)
• M14: 7,135,669 km (0.091 R)
• M15: 9,563,493 km (0.12 R)
• M16: 10,306,396 km (0.1 R)
• M17: 10,546,351 km (0.088 R)
• M18: 12,011,961 km (0.078 R)
• M19: 14,131,464 km (0.06 R)
• M20: 15,032,791 km (0.114 R)
• M21: 16,684,950 km (0.074 R)
• M22: 17,691,295 km (0.062 R)
• M23: 22,123,132 km (0.06 R)
• M24: 23,172,411 km (0.077 R)
• M25: 24,169,930 km (0.11 R)
• M26: 25,895,691 km (0.077 R)
• M27: 26,518,616 km (0.037 R)
• M28: 27,794,387 km (0.113 R)
• M29: 30,863,238 km (0.079 R)
• M30: 31,262,065 km (0.084 R)
• M31: 33,307,966 km (0.097 R)
• M32: 36,209,117 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 5.4

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.51 AU - 7.87 AU

Year: 14720 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,316,249 km

• M1: 67,169 km (0.077 R)
• M2: 265,087 km (0.094 R)
• M3: 1,166,714 km (0.074 R)
• M4: 1,634,656 km (0.104 R)
• M5: 1,946,268 km (0.111 R)
• M6: 3,004,075 km (0.087 R)
• M7: 3,550,257 km (0.111 R)
• M8: 5,913,753 km (0.12 R)
• M9: 6,527,404 km (0.087 R)
• M10: 7,395,969 km (0.068 R)
• M11: 8,670,543 km (0.111 R)
• M12: 9,461,168 km (0.108 R)
• M13: 9,874,058 km (0.07 R)
• M14: 10,084,991 km (0.075 R)
• M15: 14,280,463 km (0.048 R)
• M16: 14,686,621 km (0.115 R)
• M17: 16,684,052 km (0.116 R)
• M18: 18,855,615 km (0.089 R)
• M19: 19,098,861 km (0.066 R)
• M20: 20,688,787 km (0.08 R)
• M21: 27,618,609 km (0.058 R)
• M22: 28,037,633 km (0.04 R)
• M23: 28,248,716 km (0.071 R)
• M24: 28,995,957 km (0.058 R)
• M25: 29,537,651 km (0.038 R)
• M26: 30,977,680 km (0.04 R)
• M27: 34,720,619 km (0.067 R)
• M28: 40,478,192 km (0.072 R)
• M29: 41,427,390 km (0.056 R)
• M30: 43,936,147 km (0.115 R)
• M31: 48,037,223 km (0.081 R)
• M32: 49,715,711 km (0.071 R)
• M33: 50,025,079 km (0.086 R)
• M34: 52,386,182 km (0.113 R)
• M35: 54,164,153 km (0.113 R)
• M36: 54,985,445 km (0.088 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: 372 - 18,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit