🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 11.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.03 AU - 1.35 AU

Year: 896 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,058,670 km

• M1: 140,472 km (0.075 R)
• M2: 512,223 km (0.109 R)
• M3: 897,737 km (0.109 R)
• M4: 1,290,282 km (0.081 R)
• M5: 1,908,719 km (0.084 R)
• M6: 2,273,738 km (0.065 R)
• M7: 2,799,275 km (0.099 R)
• M8: 3,239,691 km (0.067 R)
• M9: 3,612,639 km (0.099 R)
• M10: 4,474,921 km (0.111 R)
• M11: 5,001,805 km (0.094 R)
• M12: 5,654,201 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 9.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.52 AU - 1.74 AU

Year: 1436 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,058,670 km

• M1: 120,725 km (0.039 R)
• M2: 504,444 km (0.107 R)
• M3: 960,718 km (0.082 R)
• M4: 1,692,700 km (0.115 R)
• M5: 2,032,736 km (0.103 R)
• M6: 2,894,120 km (0.104 R)
• M7: 3,294,444 km (0.082 R)
• M8: 4,224,943 km (0.046 R)
• M9: 5,726,457 km (0.071 R)
• M10: 10,615,166 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 13.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.12 AU - 3.14 AU

Year: 3822 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,058,670 km

• M1: 194,028 km (0.117 R)
• M2: 771,925 km (0.088 R)
• M3: 1,705,865 km (0.091 R)
• M4: 2,948,424 km (0.053 R)
• M5: 4,869,859 km (0.032 R)
• M6: 5,368,619 km (0.057 R)
• M7: 6,353,122 km (0.108 R)
• M8: 6,888,982 km (0.034 R)
• M9: 7,815,741 km (0.051 R)
• M10: 9,645,323 km (0.069 R)
• M11: 10,598,860 km (0.032 R)
• M12: 11,311,693 km (0.106 R)
• M13: 14,135,652 km (0.091 R)
• M14: 15,791,402 km (0.112 R)
• M15: 18,572,276 km (0.115 R)
• M16: 19,796,137 km (0.115 R)
• M17: 20,427,739 km (0.074 R)
• M18: 22,066,135 km (0.051 R)
• M19: 22,813,974 km (0.077 R)
• M20: 23,438,546 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 13.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.71 AU - 4.69 AU

Year: 5941 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,058,670 km

• M1: 167,998 km (0.115 R)
• M2: 635,941 km (0.073 R)
• M3: 1,641,986 km (0.095 R)
• M4: 2,071,482 km (0.044 R)
• M5: 3,090,991 km (0.079 R)
• M6: 7,079,121 km (0.041 R)
• M7: 7,728,376 km (0.09 R)
• M8: 9,818,707 km (0.119 R)
• M9: 12,300,535 km (0.099 R)
• M10: 14,101,694 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 13.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.6 AU - 4.86 AU

Year: 6005 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,058,670 km

• M1: 167,849 km (0.115 R)
• M2: 667,805 km (0.098 R)
• M3: 2,339,711 km (0.108 R)
• M4: 2,934,811 km (0.096 R)
• M5: 4,275,956 km (0.097 R)
• M6: 5,479,770 km (0.106 R)
• M7: 6,390,971 km (0.118 R)
• M8: 8,373,591 km (0.066 R)
• M9: 9,093,007 km (0.071 R)
• M10: 11,285,514 km (0.085 R)
• M11: 14,458,485 km (0.097 R)
• M12: 16,304,223 km (0.039 R)
• M13: 19,952,018 km (0.06 R)
• M14: 21,565,730 km (0.11 R)
• M15: 23,615,370 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 9.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.35 AU - 5.01 AU

Year: 6988 Days

Day: 5.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,058,670 km

• M1: 120,725 km (0.099 R)
• M2: 880,383 km (0.09 R)
• M3: 1,321,697 km (0.071 R)
• M4: 1,772,585 km (0.071 R)
• M5: 3,551,453 km (0.097 R)
• M6: 5,249,988 km (0.096 R)
• M7: 5,800,059 km (0.102 R)
• M8: 7,222,136 km (0.025 R)
• M9: 7,683,646 km (0.088 R)
• M10: 9,228,094 km (0.066 R)
• M11: 10,029,939 km (0.103 R)
• M12: 11,015,639 km (0.1 R)
• M13: 11,342,511 km (0.066 R)
• M14: 11,675,815 km (0.054 R)
• M15: 13,231,333 km (0.067 R)
• M16: 14,195,492 km (0.103 R)
• M17: 15,436,705 km (0.117 R)
• M18: 18,524,405 km (0.088 R)
• M19: 19,053,982 km (0.11 R)
• M20: 23,048,095 km (0.065 R)
• M21: 27,226,812 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 11.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.18 AU - 5.82 AU

Year: 8903 Days

Day: 5.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,058,670 km

• M1: 146,756 km (0.042 R)
• M2: 550,371 km (0.069 R)
• M3: 1,108,670 km (0.062 R)
• M4: 2,625,293 km (0.056 R)
• M5: 4,459,213 km (0.099 R)
• M6: 5,502,808 km (0.062 R)
• M7: 6,737,738 km (0.066 R)
• M8: 7,478,098 km (0.086 R)
• M9: 8,437,170 km (0.065 R)
• M10: 9,386,668 km (0.096 R)
• M11: 13,389,608 km (0.073 R)
• M12: 30,740,567 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.5

Radius: 3.5

Gravity: 57.84 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.86 AU - 7.3 AU

Year: 10348 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,058,670 km

• M1: 43,832 km (0.073 R)
• M2: 168,148 km (0.105 R)
• M3: 295,605 km (0.092 R)
• M4: 578,345 km (0.092 R)
• M5: 976,126 km (0.088 R)
• M6: 1,354,758 km (0.118 R)
• M7: 1,491,341 km (0.064 R)
• M8: 1,667,119 km (0.092 R)
• M9: 1,808,040 km (0.109 R)
• M10: 2,043,058 km (0.111 R)
• M11: 2,635,615 km (0.061 R)
• M12: 3,097,274 km (0.093 R)
• M13: 3,508,818 km (0.09 R)
• M14: 5,696,388 km (0.11 R)
• M15: 6,616,415 km (0.109 R)
• M16: 7,091,388 km (0.117 R)
• M17: 7,889,343 km (0.109 R)
• M18: 8,468,586 km (0.111 R)
• M19: 9,028,082 km (0.105 R)
• M20: 10,271,988 km (0.098 R)
• M21: 11,569,301 km (0.074 R)
• M22: 13,588,573 km (0.077 R)
• M23: 14,159,887 km (0.113 R)
• M24: 16,821,682 km (0.097 R)
• M25: 17,480,062 km (0.087 R)
• M26: 19,004,315 km (0.11 R)
• M27: 19,879,313 km (0.106 R)
• M28: 20,449,879 km (0.102 R)
• M29: 21,453,232 km (0.111 R)
• M30: 21,709,194 km (0.036 R)
• M31: 22,489,048 km (0.084 R)
• M32: 25,413,237 km (0.105 R)
• M33: 34,974,935 km (0.081 R)
• M34: 36,892,929 km (0.107 R)
• M35: 38,126,663 km (0.098 R)
• M36: 38,251,577 km (0.118 R)
• M37: 40,545,960 km (0.105 R)
• M38: 41,199,254 km (0.046 R)
• M39: 43,745,559 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.7

Radius: 5

Gravity: 20.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.36 AU - 11.52 AU

Year: 20020 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,058,670 km

• M1: 62,233 km (0.061 R)
• M2: 289,771 km (0.116 R)
• M3: 1,462,020 km (0.106 R)
• M4: 2,512,197 km (0.034 R)
• M5: 4,018,947 km (0.098 R)
• M6: 4,302,136 km (0.116 R)
• M7: 4,700,515 km (0.066 R)
• M8: 5,456,134 km (0.077 R)
• M9: 11,383,949 km (0.064 R)
• M10: 14,120,094 km (0.089 R)
• M11: 14,922,537 km (0.094 R)
• M12: 15,146,485 km (0.119 R)
• M13: 22,272,131 km (0.107 R)
• M14: 28,395,172 km (0.119 R)
• M15: 31,470,605 km (0.092 R)
• M16: 50,550,766 km (0.063 R)
• M17: 62,464,441 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.1

Radius: 3.1

Gravity: 76.81 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.96 AU - 9.92 AU

Year: 20020 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,058,670 km

• M1: 38,596 km (0.109 R)
• M2: 176,825 km (0.062 R)
• M3: 276,457 km (0.119 R)
• M4: 635,043 km (0.085 R)
• M5: 1,117,047 km (0.119 R)
• M6: 1,574,218 km (0.098 R)
• M7: 1,751,193 km (0.112 R)
• M8: 1,921,734 km (0.088 R)
• M9: 2,252,196 km (0.026 R)
• M10: 2,571,288 km (0.088 R)
• M11: 3,412,477 km (0.079 R)
• M12: 4,631,101 km (0.118 R)
• M13: 5,183,117 km (0.113 R)
• M14: 5,655,248 km (0.111 R)
• M15: 7,148,085 km (0.088 R)
• M16: 13,448,549 km (0.118 R)
• M17: 13,666,813 km (0.11 R)
• M18: 13,887,470 km (0.073 R)
• M19: 14,185,319 km (0.099 R)
• M20: 15,819,077 km (0.081 R)
• M21: 16,975,319 km (0.066 R)
• M22: 17,144,963 km (0.109 R)
• M23: 19,086,444 km (0.116 R)
• M24: 20,974,220 km (0.083 R)
• M25: 22,571,177 km (0.117 R)
• M26: 23,926,983 km (0.045 R)
• M27: 24,896,676 km (0.07 R)
• M28: 37,063,172 km (0.114 R)
• M29: 48,461,781 km (0.099 R)
• M30: 57,104,948 km (0.097 R)
• M31: 60,791,937 km (0.074 R)
• M32: 66,299,383 km (0.082 R)
• M33: 71,025,479 km (0.089 R)
• M34: 71,686,701 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit