🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 8.6

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,522,226 km

• M1: 106,962 km (0.112 R)
• M2: 381,325 km (0.071 R)
• M3: 662,419 km (0.103 R)
• M4: 1,007,990 km (0.082 R)
• M5: 1,315,863 km (0.086 R)
• M6: 2,084,946 km (0.051 R)
• M7: 2,515,787 km (0.04 R)
• M8: 2,866,594 km (0.12 R)
• M9: 3,193,017 km (0.057 R)
• M10: 4,160,167 km (0.062 R)
• M11: 4,565,577 km (0.066 R)
• M12: 5,521,358 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 10

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.74 AU - 1.18 AU

Year: 617 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,522,226 km

• M1: 124,316 km (0.098 R)
• M2: 1,219,073 km (0.061 R)
• M3: 1,656,198 km (0.077 R)
• M4: 2,131,770 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 8

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.82 AU - 1.28 AU

Year: 706 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,522,226 km

• M1: 99,483 km (0.097 R)
• M2: 348,264 km (0.037 R)
• M3: 821,891 km (0.087 R)
• M4: 1,322,894 km (0.079 R)
• M5: 1,869,824 km (0.088 R)
• M6: 2,451,610 km (0.062 R)
• M7: 2,938,850 km (0.101 R)
• M8: 3,421,752 km (0.115 R)
• M9: 3,696,414 km (0.109 R)
• M10: 4,337,740 km (0.087 R)
• M11: 4,676,878 km (0.074 R)
• M12: 5,317,606 km (0.082 R)
• M13: 6,582,905 km (0.088 R)
• M14: 6,879,856 km (0.114 R)
• M15: 7,777,743 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 13.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.71 AU - 4.45 AU

Year: 4444 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,522,226 km

• M1: 170,392 km (0.087 R)
• M2: 721,660 km (0.095 R)
• M3: 1,224,907 km (0.029 R)
• M4: 1,715,439 km (0.12 R)
• M5: 2,245,314 km (0.113 R)
• M6: 2,976,848 km (0.109 R)
• M7: 3,663,951 km (0.051 R)
• M8: 4,380,674 km (0.089 R)
• M9: 4,944,808 km (0.09 R)
• M10: 5,557,112 km (0.106 R)
• M11: 6,219,681 km (0.065 R)
• M12: 6,767,359 km (0.115 R)
• M13: 7,382,206 km (0.086 R)
• M14: 8,724,249 km (0.029 R)
• M15: 9,370,661 km (0.072 R)
• M16: 11,742,685 km (0.029 R)
• M17: 14,324,894 km (0.058 R)
• M18: 15,456,751 km (0.087 R)
• M19: 19,616,918 km (0.118 R)
• M20: 23,227,613 km (0.096 R)
• M21: 25,189,439 km (0.111 R)
• M22: 27,945,331 km (0.096 R)
• M23: 29,084,220 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 14.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.9 AU - 4.32 AU

Year: 4500 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,522,226 km

• M1: 177,872 km (0.084 R)
• M2: 623,075 km (0.087 R)
• M3: 1,111,512 km (0.098 R)
• M4: 1,866,682 km (0.042 R)
• M5: 2,873,326 km (0.12 R)
• M6: 3,936,668 km (0.117 R)
• M7: 4,584,876 km (0.059 R)
• M8: 5,056,109 km (0.076 R)
• M9: 5,676,042 km (0.091 R)
• M10: 7,069,098 km (0.111 R)
• M11: 7,700,850 km (0.077 R)
• M12: 8,255,708 km (0.105 R)
• M13: 9,996,279 km (0.098 R)
• M14: 12,414,529 km (0.108 R)
• M15: 15,143,194 km (0.087 R)
• M16: 16,016,546 km (0.037 R)
• M17: 17,673,193 km (0.1 R)
• M18: 19,508,909 km (0.101 R)
• M19: 20,754,461 km (0.089 R)
• M20: 23,557,027 km (0.039 R)
• M21: 24,650,438 km (0.03 R)
• M22: 25,371,051 km (0.107 R)
• M23: 28,921,158 km (0.082 R)
• M24: 29,364,865 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 8.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.22 AU - 4.44 AU

Year: 5911 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,522,226 km

• M1: 109,506 km (0.066 R)
• M2: 390,750 km (0.075 R)
• M3: 697,126 km (0.098 R)
• M4: 1,086,081 km (0.057 R)
• M5: 2,108,732 km (0.062 R)
• M6: 2,604,499 km (0.114 R)
• M7: 3,211,118 km (0.087 R)
• M8: 3,538,738 km (0.107 R)
• M9: 3,928,889 km (0.074 R)
• M10: 4,523,391 km (0.088 R)
• M11: 4,960,067 km (0.106 R)
• M12: 6,468,911 km (0.094 R)
• M13: 7,931,679 km (0.113 R)
• M14: 8,363,119 km (0.047 R)
• M15: 8,636,285 km (0.047 R)
• M16: 10,719,585 km (0.101 R)
• M17: 12,354,839 km (0.116 R)
• M18: 14,934,505 km (0.092 R)
• M19: 15,337,522 km (0.035 R)
• M20: 16,589,955 km (0.105 R)
• M21: 18,192,896 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.6

Radius: 6.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.34 AU - 7.18 AU

Year: 11530 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,522,226 km

• M1: 85,271 km (0.104 R)
• M2: 373,396 km (0.077 R)
• M3: 854,054 km (0.086 R)
• M4: 1,719,328 km (0.113 R)
• M5: 2,284,210 km (0.084 R)
• M6: 2,600,759 km (0.095 R)
• M7: 3,172,073 km (0.077 R)
• M8: 3,659,014 km (0.12 R)
• M9: 4,401,768 km (0.068 R)
• M10: 4,615,842 km (0.077 R)
• M11: 5,698,332 km (0.115 R)
• M12: 6,149,071 km (0.114 R)
• M13: 9,858,500 km (0.063 R)
• M14: 10,319,560 km (0.11 R)
• M15: 14,658,048 km (0.092 R)
• M16: 22,038,609 km (0.116 R)
• M17: 23,146,830 km (0.034 R)
• M18: 32,063,760 km (0.105 R)
• M19: 35,694,650 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.9

Radius: 6

Gravity: 21.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.02 AU - 8.32 AU

Year: 15319 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,522,226 km

• M1: 77,193 km (0.083 R)
• M2: 747,241 km (0.056 R)
• M3: 997,369 km (0.089 R)
• M4: 2,344,947 km (0.104 R)
• M5: 2,887,688 km (0.109 R)
• M6: 5,020,056 km (0.092 R)
• M7: 5,308,032 km (0.103 R)
• M8: 5,996,481 km (0.116 R)
• M9: 6,197,840 km (0.079 R)
• M10: 7,831,897 km (0.095 R)
• M11: 8,024,280 km (0.045 R)
• M12: 8,929,048 km (0.118 R)
• M13: 11,362,856 km (0.085 R)
• M14: 16,765,284 km (0.096 R)
• M15: 27,123,440 km (0.089 R)
• M16: 28,574,240 km (0.11 R)
• M17: 28,916,221 km (0.058 R)
• M18: 30,429,852 km (0.11 R)
• M19: 35,155,799 km (0.117 R)
• M20: 35,679,990 km (0.073 R)
• M21: 40,779,033 km (0.075 R)
• M22: 48,089,732 km (0.03 R)
• M23: 48,411,965 km (0.103 R)
• M24: 51,545,442 km (0.084 R)
• M25: 53,420,053 km (0.081 R)
• M26: 55,516,368 km (0.118 R)
• M27: 56,764,164 km (0.116 R)
• M28: 64,842,449 km (0.117 R)
• M29: 65,235,742 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.6

Radius: 4.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.3 AU - 8.92 AU

Year: 16573 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,522,226 km

• M1: 59,839 km (0.071 R)
• M2: 279,598 km (0.088 R)
• M3: 457,321 km (0.109 R)
• M4: 794,215 km (0.108 R)
• M5: 1,206,656 km (0.084 R)
• M6: 1,617,153 km (0.11 R)
• M7: 2,038,570 km (0.107 R)
• M8: 4,451,135 km (0.074 R)
• M9: 4,607,914 km (0.059 R)
• M10: 4,822,736 km (0.07 R)
• M11: 5,567,434 km (0.091 R)
• M12: 6,255,285 km (0.111 R)
• M13: 8,141,864 km (0.118 R)
• M14: 12,937,972 km (0.1 R)
• M15: 13,748,344 km (0.095 R)
• M16: 17,980,766 km (0.117 R)
• M17: 18,446,465 km (0.1 R)
• M18: 20,606,209 km (0.049 R)
• M19: 27,468,263 km (0.082 R)
• M20: 28,984,139 km (0.101 R)
• M21: 29,257,155 km (0.09 R)
• M22: 31,600,755 km (0.082 R)
• M23: 32,670,380 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.7

Radius: 3

Gravity: 63.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.22 AU - 10.22 AU

Year: 18366 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,522,226 km

• M1: 37,250 km (0.096 R)
• M2: 132,095 km (0.111 R)
• M3: 405,261 km (0.054 R)
• M4: 635,941 km (0.095 R)
• M5: 746,194 km (0.075 R)
• M6: 981,960 km (0.088 R)
• M7: 1,566,888 km (0.073 R)
• M8: 2,106,637 km (0.052 R)
• M9: 2,736,893 km (0.094 R)
• M10: 3,567,760 km (0.074 R)
• M11: 3,682,202 km (0.092 R)
• M12: 4,259,949 km (0.117 R)
• M13: 4,356,290 km (0.101 R)
• M14: 8,422,360 km (0.102 R)
• M15: 8,574,501 km (0.042 R)
• M16: 11,511,855 km (0.12 R)
• M17: 12,273,757 km (0.114 R)
• M18: 14,109,772 km (0.044 R)
• M19: 17,398,382 km (0.071 R)
• M20: 20,884,461 km (0.118 R)
• M21: 21,256,661 km (0.045 R)
• M22: 22,594,514 km (0.097 R)
• M23: 22,692,202 km (0.034 R)
• M24: 28,735,806 km (0.051 R)
• M25: 30,368,817 km (0.047 R)
• M26: 32,682,198 km (0.065 R)
• M27: 33,945,702 km (0.078 R)
• M28: 42,811,919 km (0.12 R)
• M29: 46,656,434 km (0.116 R)
• M30: 47,451,846 km (0.072 R)
• M31: 48,743,474 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 12,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit