🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 12.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.62 AU - 0.76 AU

Year: 396 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,872,853 km

• M1: 153,188 km (0.091 R)
• M2: 692,040 km (0.114 R)
• M3: 1,160,730 km (0.107 R)
• M4: 1,761,216 km (0.119 R)
• M5: 2,146,580 km (0.111 R)
• M6: 2,642,946 km (0.08 R)
• M7: 3,143,350 km (0.077 R)
• M8: 3,548,761 km (0.115 R)
• M9: 3,953,124 km (0.099 R)
• M10: 4,375,439 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 10.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.74 AU - 2.3 AU

Year: 1982 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,872,853 km

• M1: 135,984 km (0.07 R)
• M2: 546,481 km (0.041 R)
• M3: 1,291,927 km (0.078 R)
• M4: 1,995,187 km (0.078 R)
• M5: 2,613,475 km (0.066 R)
• M6: 3,030,703 km (0.112 R)
• M7: 4,096,139 km (0.101 R)
• M8: 4,942,265 km (0.111 R)
• M9: 5,395,546 km (0.109 R)
• M10: 6,152,811 km (0.108 R)
• M11: 6,868,936 km (0.111 R)
• M12: 9,251,731 km (0.032 R)
• M13: 10,852,877 km (0.093 R)
• M14: 11,699,601 km (0.094 R)
• M15: 13,743,257 km (0.038 R)
• M16: 14,368,427 km (0.045 R)
• M17: 15,965,982 km (0.062 R)
• M18: 16,858,034 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 13.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.24 AU - 2.24 AU

Year: 2314 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,872,853 km

• M1: 195,824 km (0.066 R)
• M2: 995,574 km (0.08 R)
• M3: 1,647,222 km (0.089 R)
• M4: 2,205,222 km (0.091 R)
• M5: 3,454,514 km (0.097 R)
• M6: 3,898,221 km (0.119 R)
• M7: 4,636,038 km (0.052 R)
• M8: 6,417,898 km (0.079 R)
• M9: 8,162,808 km (0.087 R)
• M10: 8,990,682 km (0.103 R)
• M11: 9,910,261 km (0.076 R)
• M12: 12,785,382 km (0.107 R)
• M13: 14,793,733 km (0.027 R)
• M14: 16,535,352 km (0.096 R)
• M15: 17,110,107 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 9.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.21 AU - 3.35 AU

Year: 4100 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,872,853 km

• M1: 113,694 km (0.096 R)
• M2: 706,850 km (0.088 R)
• M3: 1,099,395 km (0.082 R)
• M4: 1,600,398 km (0.072 R)
• M5: 2,672,865 km (0.1 R)
• M6: 3,040,577 km (0.079 R)
• M7: 4,421,814 km (0.09 R)
• M8: 4,912,794 km (0.116 R)
• M9: 5,916,895 km (0.099 R)
• M10: 7,117,418 km (0.116 R)
• M11: 7,688,732 km (0.064 R)
• M12: 8,695,975 km (0.096 R)
• M13: 13,213,681 km (0.061 R)
• M14: 14,654,757 km (0.112 R)
• M15: 15,030,846 km (0.119 R)
• M16: 20,060,476 km (0.045 R)
• M17: 21,959,023 km (0.073 R)
• M18: 25,641,973 km (0.108 R)
• M19: 26,504,255 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 9.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.49 AU - 3.81 AU

Year: 4813 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 59 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,872,853 km

• M1: 117,135 km (0.091 R)
• M2: 498,610 km (0.089 R)
• M3: 1,118,842 km (0.087 R)
• M4: 1,580,651 km (0.094 R)
• M5: 3,412,028 km (0.104 R)
• M6: 3,807,715 km (0.065 R)
• M7: 6,740,431 km (0.078 R)
• M8: 12,643,114 km (0.073 R)
• M9: 17,645,518 km (0.103 R)
• M10: 19,507,114 km (0.066 R)
• M11: 20,007,967 km (0.028 R)
• M12: 22,368,921 km (0.103 R)
• M13: 22,917,795 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 13.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.51 AU - 4.89 AU

Year: 7033 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,872,853 km

• M1: 168,597 km (0.066 R)
• M2: 627,713 km (0.076 R)
• M3: 1,207,554 km (0.06 R)
• M4: 1,804,450 km (0.085 R)
• M5: 2,291,091 km (0.106 R)
• M6: 2,727,768 km (0.071 R)
• M7: 4,334,748 km (0.078 R)
• M8: 4,864,175 km (0.03 R)
• M9: 5,405,569 km (0.09 R)
• M10: 6,258,726 km (0.079 R)
• M11: 7,507,719 km (0.113 R)
• M12: 8,068,112 km (0.104 R)
• M13: 10,397,800 km (0.08 R)
• M14: 11,983,537 km (0.088 R)
• M15: 12,472,722 km (0.058 R)
• M16: 15,059,718 km (0.086 R)
• M17: 15,823,266 km (0.119 R)
• M18: 17,915,542 km (0.112 R)
• M19: 19,433,811 km (0.111 R)
• M20: 20,186,437 km (0.113 R)
• M21: 23,140,696 km (0.044 R)
• M22: 24,243,831 km (0.105 R)
• M23: 25,649,453 km (0.062 R)
• M24: 26,372,309 km (0.099 R)
• M25: 28,719,051 km (0.113 R)
• M26: 29,302,333 km (0.099 R)
• M27: 38,204,454 km (0.032 R)
• M28: 38,792,074 km (0.098 R)
• M29: 39,744,713 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.7

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.47 AU - 5.93 AU

Year: 8185 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,872,853 km

• M1: 183,706 km (0.108 R)
• M2: 735,124 km (0.065 R)
• M3: 1,353,262 km (0.087 R)
• M4: 2,130,274 km (0.064 R)
• M5: 3,000,185 km (0.115 R)
• M6: 3,506,873 km (0.093 R)
• M7: 3,968,682 km (0.103 R)
• M8: 4,582,332 km (0.116 R)
• M9: 6,416,552 km (0.085 R)
• M10: 7,381,757 km (0.063 R)
• M11: 9,053,514 km (0.108 R)
• M12: 9,647,866 km (0.102 R)
• M13: 14,628,129 km (0.072 R)
• M14: 15,383,897 km (0.102 R)
• M15: 16,099,424 km (0.092 R)
• M16: 18,524,854 km (0.076 R)
• M17: 19,335,076 km (0.113 R)
• M18: 19,862,857 km (0.104 R)
• M19: 21,504,395 km (0.052 R)
• M20: 22,898,048 km (0.086 R)
• M21: 23,917,708 km (0.11 R)
• M22: 25,683,860 km (0.072 R)
• M23: 27,441,037 km (0.094 R)
• M24: 28,300,776 km (0.118 R)
• M25: 28,981,895 km (0.089 R)
• M26: 29,574,302 km (0.068 R)
• M27: 31,816,026 km (0.091 R)
• M28: 35,052,726 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 13

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.92 AU - 5.62 AU

Year: 8351 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,872,853 km

• M1: 163,510 km (0.111 R)
• M2: 572,960 km (0.081 R)
• M3: 1,383,631 km (0.098 R)
• M4: 2,477,042 km (0.112 R)
• M5: 3,243,431 km (0.09 R)
• M6: 6,967,072 km (0.118 R)
• M7: 9,080,441 km (0.106 R)
• M8: 10,284,255 km (0.089 R)
• M9: 11,976,806 km (0.069 R)
• M10: 12,657,326 km (0.098 R)
• M11: 16,043,025 km (0.119 R)
• M12: 19,062,957 km (0.118 R)
• M13: 21,357,190 km (0.057 R)
• M14: 23,565,853 km (0.098 R)
• M15: 25,922,618 km (0.054 R)
• M16: 27,741,579 km (0.092 R)
• M17: 29,541,840 km (0.119 R)
• M18: 31,100,649 km (0.045 R)
• M19: 32,061,816 km (0.11 R)
• M20: 33,042,729 km (0.07 R)
• M21: 35,064,544 km (0.115 R)
• M22: 36,222,731 km (0.105 R)
• M23: 38,007,583 km (0.058 R)
• M24: 40,604,004 km (0.1 R)
• M25: 42,010,224 km (0.089 R)
• M26: 45,872,841 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 19,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit