🌌 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: 233.6

Radius: 10.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.58 AU

Year: 264 Days

Day: 10.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,348,572 km

• M1: 128,654 km (0.12 R)
• M2: 489,185 km (0.025 R)
• M3: 868,565 km (0.091 R)
• M4: 1,232,088 km (0.115 R)
• M5: 1,564,794 km (0.065 R)
• M6: 2,252,645 km (0.084 R)
• M7: 2,599,861 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 12.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.09 AU - 1.75 AU

Year: 1189 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,348,572 km

• M1: 155,432 km (0.053 R)
• M2: 618,886 km (0.055 R)
• M3: 1,103,284 km (0.052 R)
• M4: 1,501,963 km (0.079 R)
• M5: 2,405,983 km (0.066 R)
• M6: 2,804,511 km (0.109 R)
• M7: 3,275,745 km (0.052 R)
• M8: 3,690,579 km (0.034 R)
• M9: 4,414,184 km (0.079 R)
• M10: 5,210,793 km (0.089 R)
• M11: 5,716,733 km (0.089 R)
• M12: 6,434,653 km (0.106 R)
• M13: 7,434,416 km (0.054 R)
• M14: 7,971,771 km (0.06 R)
• M15: 10,702,232 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 9.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.91 AU - 2.43 AU

Year: 2247 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 100 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,348,572 km

• M1: 114,592 km (0.115 R)
• M2: 646,861 km (0.032 R)
• M3: 934,388 km (0.11 R)
• M4: 1,334,413 km (0.12 R)
• M5: 1,678,488 km (0.082 R)
• M6: 2,104,393 km (0.11 R)
• M7: 2,562,312 km (0.099 R)
• M8: 3,404,249 km (0.098 R)
• M9: 4,072,802 km (0.032 R)
• M10: 4,571,861 km (0.037 R)
• M11: 5,152,749 km (0.094 R)
• M12: 5,493,832 km (0.114 R)
• M13: 5,964,318 km (0.03 R)
• M14: 7,298,581 km (0.088 R)
• M15: 8,263,338 km (0.119 R)
• M16: 8,672,189 km (0.05 R)
• M17: 11,167,481 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 8.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.65 AU - 2.73 AU

Year: 2278 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,348,572 km

• M1: 216,618 km (0.065 R)
• M2: 1,665,473 km (0.082 R)
• M3: 3,008,563 km (0.085 R)
• M4: 4,351,204 km (0.115 R)
• M5: 4,658,328 km (0.095 R)
• M6: 6,438,692 km (0.077 R)
• M7: 6,861,157 km (0.047 R)
• M8: 7,231,112 km (0.117 R)
• M9: 8,036,248 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 13.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.33 AU - 2.83 AU

Year: 2913 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,348,572 km

• M1: 162,912 km (0.078 R)
• M2: 864,975 km (0.115 R)
• M3: 1,713,045 km (0.118 R)
• M4: 2,269,549 km (0.063 R)
• M5: 2,978,344 km (0.104 R)
• M6: 4,011,317 km (0.073 R)
• M7: 7,727,328 km (0.118 R)
• M8: 9,814,817 km (0.087 R)
• M9: 14,284,353 km (0.113 R)
• M10: 16,582,475 km (0.077 R)
• M11: 17,289,924 km (0.112 R)
• M12: 17,791,525 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 14.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.13 AU - 3.27 AU

Year: 3119 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,348,572 km

• M1: 177,872 km (0.117 R)
• M2: 714,779 km (0.071 R)
• M3: 1,202,617 km (0.096 R)
• M4: 1,686,716 km (0.118 R)
• M5: 2,165,878 km (0.053 R)
• M6: 2,611,979 km (0.075 R)
• M7: 3,915,575 km (0.11 R)
• M8: 5,108,318 km (0.114 R)
• M9: 6,244,215 km (0.109 R)
• M10: 6,827,048 km (0.117 R)
• M11: 7,868,549 km (0.106 R)
• M12: 8,690,739 km (0.116 R)
• M13: 10,187,615 km (0.078 R)
• M14: 10,914,810 km (0.104 R)
• M15: 12,838,788 km (0.099 R)
• M16: 13,543,843 km (0.077 R)
• M17: 15,341,411 km (0.049 R)
• M18: 18,037,614 km (0.043 R)
• M19: 20,398,418 km (0.07 R)
• M20: 22,754,584 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 13.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.66 AU - 4.16 AU

Year: 4426 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,348,572 km

• M1: 165,455 km (0.103 R)
• M2: 676,182 km (0.054 R)
• M3: 1,095,356 km (0.114 R)
• M4: 1,622,838 km (0.064 R)
• M5: 2,109,031 km (0.048 R)
• M6: 2,991,509 km (0.114 R)
• M7: 4,026,427 km (0.093 R)
• M8: 4,817,949 km (0.05 R)
• M9: 8,081,127 km (0.106 R)
• M10: 8,746,987 km (0.105 R)
• M11: 9,667,014 km (0.107 R)
• M12: 10,264,508 km (0.084 R)
• M13: 10,728,710 km (0.103 R)
• M14: 11,492,557 km (0.104 R)
• M15: 13,174,037 km (0.099 R)
• M16: 14,526,701 km (0.086 R)
• M17: 15,063,309 km (0.09 R)
• M18: 15,512,252 km (0.098 R)
• M19: 15,970,171 km (0.09 R)
• M20: 16,384,707 km (0.04 R)
• M21: 18,283,553 km (0.097 R)
• M22: 19,082,704 km (0.103 R)
• M23: 19,608,690 km (0.103 R)
• M24: 20,264,677 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 12.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.79 AU - 4.19 AU

Year: 4583 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,348,572 km

• M1: 153,039 km (0.105 R)
• M2: 593,006 km (0.079 R)
• M3: 1,016,667 km (0.096 R)
• M4: 1,687,015 km (0.116 R)
• M5: 2,406,282 km (0.051 R)
• M6: 4,285,530 km (0.076 R)
• M7: 4,705,003 km (0.104 R)
• M8: 5,124,924 km (0.097 R)
• M9: 6,162,535 km (0.106 R)
• M10: 8,233,717 km (0.084 R)
• M11: 9,447,854 km (0.056 R)
• M12: 10,033,828 km (0.066 R)
• M13: 11,511,407 km (0.115 R)
• M14: 13,078,295 km (0.101 R)
• M15: 14,672,260 km (0.039 R)
• M16: 15,804,566 km (0.093 R)
• M17: 16,332,796 km (0.082 R)
• M18: 18,051,825 km (0.088 R)
• M19: 18,435,394 km (0.12 R)
• M20: 22,502,512 km (0.064 R)
• M21: 23,930,274 km (0.109 R)
• M22: 25,497,611 km (0.111 R)
• M23: 25,899,879 km (0.057 R)
• M24: 27,048,791 km (0.107 R)
• M25: 29,097,235 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 5.1

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.61 AU - 7.51 AU

Year: 10486 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,348,572 km

• M1: 424,708 km (0.05 R)
• M2: 785,838 km (0.107 R)
• M3: 1,235,529 km (0.109 R)
• M4: 1,649,017 km (0.104 R)
• M5: 2,587,744 km (0.097 R)
• M6: 3,017,987 km (0.086 R)
• M7: 3,915,575 km (0.099 R)
• M8: 6,327,541 km (0.064 R)
• M9: 8,027,721 km (0.07 R)
• M10: 8,366,560 km (0.08 R)
• M11: 16,415,075 km (0.095 R)
• M12: 18,450,953 km (0.068 R)
• M13: 20,965,543 km (0.075 R)
• M14: 21,607,767 km (0.115 R)
• M15: 23,613,276 km (0.062 R)
• M16: 23,872,379 km (0.058 R)
• M17: 28,377,519 km (0.049 R)
• M18: 35,635,709 km (0.104 R)
• M19: 36,434,711 km (0.101 R)
• M20: 41,606,160 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.8

Radius: 6.1

Gravity: 24.56 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.54 AU - 8.78 AU

Year: 13467 Days

Day: 17.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,348,572 km

• M1: 100,829 km (0.102 R)
• M2: 438,322 km (0.06 R)
• M3: 732,581 km (0.109 R)
• M4: 1,218,624 km (0.081 R)
• M5: 2,261,920 km (0.119 R)
• M6: 2,807,952 km (0.098 R)
• M7: 3,977,059 km (0.08 R)
• M8: 4,409,098 km (0.119 R)
• M9: 4,669,698 km (0.089 R)
• M10: 5,257,617 km (0.087 R)
• M11: 5,625,927 km (0.064 R)
• M12: 6,834,379 km (0.051 R)
• M13: 8,110,000 km (0.116 R)
• M14: 8,452,130 km (0.084 R)
• M15: 10,653,014 km (0.109 R)
• M16: 11,242,729 km (0.055 R)
• M17: 11,853,836 km (0.114 R)
• M18: 12,551,561 km (0.055 R)
• M19: 12,877,534 km (0.082 R)
• M20: 15,468,121 km (0.098 R)
• M21: 16,300,633 km (0.078 R)
• M22: 18,386,476 km (0.086 R)
• M23: 19,406,733 km (0.094 R)
• M24: 21,932,993 km (0.097 R)
• M25: 22,789,440 km (0.103 R)
• M26: 25,492,375 km (0.115 R)
• M27: 26,974,590 km (0.091 R)
• M28: 31,764,864 km (0.101 R)
• M29: 38,717,425 km (0.053 R)
• M30: 39,547,394 km (0.12 R)
• M31: 41,386,251 km (0.108 R)
• M32: 43,578,009 km (0.117 R)
• M33: 49,151,428 km (0.034 R)
• M34: 55,355,850 km (0.119 R)
• M35: 58,193,273 km (0.089 R)
• M36: 58,735,864 km (0.042 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 13,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit