🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 8

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,103,232 km

• M1: 99,632 km (0.061 R)
• M2: 355,893 km (0.062 R)
• M3: 617,540 km (0.058 R)
• M4: 889,210 km (0.057 R)
• M5: 1,191,846 km (0.093 R)
• M6: 1,576,911 km (0.054 R)
• M7: 1,832,873 km (0.08 R)
• M8: 2,304,854 km (0.081 R)
• M9: 2,589,090 km (0.047 R)
• M10: 3,064,812 km (0.091 R)
• M11: 3,573,744 km (0.11 R)
• M12: 4,203,999 km (0.115 R)
• M13: 4,759,755 km (0.056 R)
• M14: 5,055,660 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.96 AU - 1.18 AU

Year: 751 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,103,232 km

• M1: 187,446 km (0.074 R)
• M2: 720,613 km (0.081 R)
• M3: 1,332,468 km (0.118 R)
• M4: 2,152,115 km (0.119 R)
• M5: 2,630,828 km (0.105 R)
• M6: 3,205,882 km (0.059 R)
• M7: 3,688,485 km (0.112 R)
• M8: 4,458,914 km (0.055 R)
• M9: 5,198,077 km (0.119 R)
• M10: 5,961,924 km (0.085 R)
• M11: 6,459,486 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 14.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.19 AU - 1.47 AU

Year: 1040 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,103,232 km

• M1: 180,714 km (0.088 R)
• M2: 764,744 km (0.115 R)
• M3: 1,502,112 km (0.097 R)
• M4: 2,598,665 km (0.085 R)
• M5: 3,389,589 km (0.117 R)
• M6: 4,084,471 km (0.053 R)
• M7: 4,666,706 km (0.102 R)
• M8: 5,761,164 km (0.089 R)
• M9: 6,931,019 km (0.118 R)
• M10: 8,079,931 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 10.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.98 AU - 5.48 AU

Year: 6977 Days

Day: 9.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,103,232 km

• M1: 127,009 km (0.1 R)
• M2: 475,572 km (0.082 R)
• M3: 1,106,575 km (0.058 R)
• M4: 1,728,304 km (0.108 R)
• M5: 2,879,011 km (0.056 R)
• M6: 3,508,818 km (0.076 R)
• M7: 4,742,253 km (0.067 R)
• M8: 5,681,727 km (0.1 R)
• M9: 7,263,575 km (0.099 R)
• M10: 9,162,122 km (0.092 R)
• M11: 10,248,801 km (0.11 R)
• M12: 10,893,717 km (0.094 R)
• M13: 13,857,400 km (0.082 R)
• M14: 14,474,641 km (0.114 R)
• M15: 16,937,770 km (0.117 R)
• M16: 17,513,722 km (0.113 R)
• M17: 19,113,671 km (0.115 R)
• M18: 23,143,838 km (0.062 R)
• M19: 24,821,428 km (0.113 R)
• M20: 32,346,650 km (0.089 R)
• M21: 33,233,466 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 9.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.24 AU - 5.74 AU

Year: 8725 Days

Day: 12.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,103,232 km

• M1: 131,048 km (0.089 R)
• M2: 463,305 km (0.111 R)
• M3: 803,490 km (0.096 R)
• M4: 1,788,592 km (0.102 R)
• M5: 2,596,570 km (0.103 R)
• M6: 4,079,833 km (0.081 R)
• M7: 4,775,463 km (0.103 R)
• M8: 5,444,016 km (0.071 R)
• M9: 7,246,521 km (0.107 R)
• M10: 7,597,777 km (0.071 R)
• M11: 8,649,749 km (0.046 R)
• M12: 10,466,316 km (0.111 R)
• M13: 10,874,568 km (0.117 R)
• M14: 13,792,924 km (0.096 R)
• M15: 15,827,754 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.8

Radius: 4.7

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6 AU - 7.08 AU

Year: 11344 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,103,232 km

• M1: 60,886 km (0.087 R)
• M2: 207,193 km (0.063 R)
• M3: 1,146,967 km (0.025 R)
• M4: 1,331,271 km (0.112 R)
• M5: 2,104,393 km (0.114 R)
• M6: 2,703,832 km (0.096 R)
• M7: 3,695,516 km (0.074 R)
• M8: 3,894,182 km (0.094 R)
• M9: 4,259,351 km (0.064 R)
• M10: 4,646,809 km (0.106 R)
• M11: 4,967,547 km (0.109 R)
• M12: 5,148,560 km (0.12 R)
• M13: 5,396,893 km (0.069 R)
• M14: 5,984,663 km (0.059 R)
• M15: 6,259,175 km (0.105 R)
• M16: 7,286,613 km (0.105 R)
• M17: 9,165,712 km (0.115 R)
• M18: 14,756,633 km (0.064 R)
• M19: 15,705,233 km (0.1 R)
• M20: 17,375,493 km (0.117 R)
• M21: 19,382,798 km (0.105 R)
• M22: 21,539,550 km (0.031 R)
• M23: 22,675,596 km (0.115 R)
• M24: 31,355,863 km (0.079 R)
• M25: 31,561,261 km (0.108 R)
• M26: 31,767,706 km (0.09 R)
• M27: 32,182,990 km (0.037 R)
• M28: 34,532,724 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.4

Radius: 3.1

Gravity: 57.69 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.41 AU - 9.33 AU

Year: 14975 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,103,232 km

• M1: 47,273 km (0.107 R)
• M2: 152,739 km (0.089 R)
• M3: 721,959 km (0.119 R)
• M4: 929,751 km (0.117 R)
• M5: 1,125,874 km (0.089 R)
• M6: 1,434,344 km (0.075 R)
• M7: 1,538,614 km (0.102 R)
• M8: 1,796,072 km (0.076 R)
• M9: 2,522,220 km (0.087 R)
• M10: 2,674,810 km (0.073 R)
• M11: 2,950,369 km (0.076 R)
• M12: 4,036,151 km (0.082 R)
• M13: 7,563,519 km (0.063 R)
• M14: 8,254,063 km (0.106 R)
• M15: 10,802,313 km (0.112 R)
• M16: 11,916,966 km (0.095 R)
• M17: 12,659,121 km (0.114 R)
• M18: 21,217,017 km (0.118 R)
• M19: 27,553,235 km (0.047 R)
• M20: 28,519,338 km (0.102 R)
• M21: 36,558,129 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.3

Radius: 3.7

Gravity: 32.97 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.72 AU - 12.22 AU

Year: 21352 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,103,232 km

• M1: 47,123 km (0.048 R)
• M2: 162,463 km (0.109 R)
• M3: 397,631 km (0.076 R)
• M4: 1,025,493 km (0.119 R)
• M5: 1,421,479 km (0.106 R)
• M6: 1,612,515 km (0.099 R)
• M7: 1,856,659 km (0.096 R)
• M8: 2,045,751 km (0.042 R)
• M9: 3,518,542 km (0.102 R)
• M10: 3,719,901 km (0.106 R)
• M11: 6,470,706 km (0.113 R)
• M12: 6,950,167 km (0.081 R)
• M13: 7,406,291 km (0.066 R)
• M14: 8,581,831 km (0.077 R)
• M15: 12,778,052 km (0.111 R)
• M16: 13,670,702 km (0.08 R)
• M17: 14,751,547 km (0.089 R)
• M18: 18,764,510 km (0.086 R)
• M19: 19,026,156 km (0.111 R)
• M20: 19,290,197 km (0.072 R)
• M21: 20,096,828 km (0.075 R)
• M22: 21,490,931 km (0.076 R)
• M23: 23,247,360 km (0.111 R)
• M24: 26,711,747 km (0.096 R)
• M25: 28,052,144 km (0.096 R)
• M26: 28,738,948 km (0.034 R)
• M27: 29,319,836 km (0.105 R)
• M28: 30,146,065 km (0.12 R)
• M29: 31,721,331 km (0.087 R)
• M30: 37,874,441 km (0.11 R)
• M31: 38,013,417 km (0.032 R)
• M32: 39,993,944 km (0.098 R)
• M33: 45,087,901 km (0.06 R)
• M34: 50,429,293 km (0.043 R)
• M35: 51,784,799 km (0.114 R)
• M36: 53,687,983 km (0.1 R)
• M37: 55,996,877 km (0.117 R)
• M38: 56,720,332 km (0.073 R)
• M39: 58,185,942 km (0.098 R)
• M40: 62,346,259 km (0.1 R)
• M41: 64,301,204 km (0.085 R)
• M42: 64,895,556 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.8

Radius: 3.6

Gravity: 58.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.29 AU - 11.11 AU

Year: 23739 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,103,232 km

• M1: 49,218 km (0.093 R)
• M2: 189,391 km (0.099 R)
• M3: 372,648 km (0.095 R)
• M4: 648,806 km (0.11 R)
• M5: 895,792 km (0.078 R)
• M6: 1,683,574 km (0.079 R)
• M7: 1,916,349 km (0.105 R)
• M8: 3,238,196 km (0.086 R)
• M9: 3,692,375 km (0.115 R)
• M10: 5,268,239 km (0.099 R)
• M11: 5,894,455 km (0.112 R)
• M12: 6,804,609 km (0.046 R)
• M13: 8,230,725 km (0.081 R)
• M14: 9,541,951 km (0.051 R)
• M15: 13,006,787 km (0.109 R)
• M16: 13,453,785 km (0.102 R)
• M17: 16,872,994 km (0.117 R)
• M18: 18,222,217 km (0.117 R)
• M19: 19,448,322 km (0.098 R)
• M20: 19,934,215 km (0.105 R)
• M21: 29,224,991 km (0.116 R)
• M22: 29,990,633 km (0.034 R)
• M23: 30,769,589 km (0.078 R)
• M24: 31,164,079 km (0.108 R)
• M25: 31,428,867 km (0.035 R)
• M26: 33,049,610 km (0.076 R)
• M27: 47,714,690 km (0.062 R)
• M28: 48,242,920 km (0.052 R)
• M29: 49,132,279 km (0.104 R)
• M30: 49,311,348 km (0.09 R)
• M31: 52,051,233 km (0.088 R)
• M32: 53,933,024 km (0.12 R)
• M33: 54,314,798 km (0.092 R)
• M34: 60,670,015 km (0.052 R)
• M35: 62,123,209 km (0.075 R)
• M36: 62,753,165 km (0.055 R)
• M37: 65,966,527 km (0.037 R)
• M38: 77,710,110 km (0.083 R)
• M39: 78,197,051 km (0.118 R)
• M40: 80,911,504 km (0.07 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: 373 - 19,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit