🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 9.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.98 AU - 1 AU

Year: 646 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,915,037 km

• M1: 121,922 km (0.058 R)
• M2: 615,446 km (0.099 R)
• M3: 1,064,987 km (0.08 R)
• M4: 1,385,127 km (0.086 R)
• M5: 1,770,491 km (0.099 R)
• M6: 2,227,213 km (0.109 R)
• M7: 2,622,899 km (0.104 R)
• M8: 3,180,451 km (0.108 R)
• M9: 3,800,684 km (0.106 R)
• M10: 4,993,577 km (0.12 R)
• M11: 5,373,705 km (0.088 R)
• M12: 6,151,464 km (0.082 R)
• M13: 8,499,553 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 10.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.8 AU - 1.32 AU

Year: 716 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,915,037 km

• M1: 127,757 km (0.109 R)
• M2: 537,056 km (0.115 R)
• M3: 930,499 km (0.072 R)
• M4: 1,580,352 km (0.112 R)
• M5: 1,897,948 km (0.075 R)
• M6: 2,238,583 km (0.079 R)
• M7: 2,620,506 km (0.058 R)
• M8: 3,558,185 km (0.067 R)
• M9: 3,960,903 km (0.056 R)
• M10: 4,346,117 km (0.096 R)
• M11: 5,138,537 km (0.062 R)
• M12: 5,597,803 km (0.1 R)
• M13: 6,164,629 km (0.103 R)
• M14: 6,726,369 km (0.05 R)
• M15: 8,244,039 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 9.4

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.06 AU - 1.1 AU

Year: 736 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,915,037 km

• M1: 117,285 km (0.106 R)
• M2: 440,566 km (0.074 R)
• M3: 778,507 km (0.114 R)
• M4: 1,090,419 km (0.065 R)
• M5: 1,411,007 km (0.087 R)
• M6: 1,786,647 km (0.037 R)
• M7: 2,238,882 km (0.049 R)
• M8: 3,374,629 km (0.095 R)
• M9: 4,543,886 km (0.075 R)
• M10: 4,910,251 km (0.081 R)
• M11: 5,525,846 km (0.104 R)
• M12: 7,162,297 km (0.072 R)
• M13: 7,683,945 km (0.074 R)
• M14: 8,592,154 km (0.091 R)
• M15: 9,263,699 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 10.8

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.94 AU - 1.22 AU

Year: 736 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,915,037 km

• M1: 134,339 km (0.062 R)
• M2: 649,105 km (0.111 R)
• M3: 990,488 km (0.081 R)
• M4: 1,442,273 km (0.111 R)
• M5: 2,020,768 km (0.04 R)
• M6: 2,783,717 km (0.071 R)
• M7: 3,149,035 km (0.079 R)
• M8: 3,932,629 km (0.07 R)
• M9: 4,773,219 km (0.077 R)
• M10: 5,483,959 km (0.026 R)
• M11: 6,022,361 km (0.081 R)
• M12: 6,449,164 km (0.104 R)
• M13: 7,663,301 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 12

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.51 AU - 1.99 AU

Year: 1519 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,915,037 km

• M1: 150,346 km (0.111 R)
• M2: 527,033 km (0.117 R)
• M3: 1,317,508 km (0.059 R)
• M4: 2,237,685 km (0.101 R)
• M5: 2,811,393 km (0.091 R)
• M6: 3,644,354 km (0.088 R)
• M7: 4,182,607 km (0.101 R)
• M8: 4,995,970 km (0.103 R)
• M9: 6,005,008 km (0.086 R)
• M10: 6,386,184 km (0.11 R)
• M11: 7,384,151 km (0.113 R)
• M12: 9,915,945 km (0.098 R)
• M13: 11,723,536 km (0.033 R)
• M14: 12,512,366 km (0.085 R)
• M15: 12,939,468 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 12.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.52 AU - 2.12 AU

Year: 1611 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,915,037 km

• M1: 151,692 km (0.084 R)
• M2: 620,233 km (0.12 R)
• M3: 1,132,306 km (0.048 R)
• M4: 1,660,686 km (0.094 R)
• M5: 2,151,666 km (0.11 R)
• M6: 3,197,505 km (0.094 R)
• M7: 3,771,063 km (0.08 R)
• M8: 5,305,040 km (0.06 R)
• M9: 6,498,382 km (0.048 R)
• M10: 7,705,487 km (0.105 R)
• M11: 8,911,994 km (0.044 R)
• M12: 9,804,196 km (0.056 R)
• M13: 11,118,712 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.9

Radius: 12.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.18 AU - 4.12 AU

Year: 4575 Days

Day: 9.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,915,037 km

• M1: 155,582 km (0.046 R)
• M2: 556,205 km (0.102 R)
• M3: 1,565,542 km (0.118 R)
• M4: 2,100,952 km (0.096 R)
• M5: 3,221,889 km (0.057 R)
• M6: 3,760,591 km (0.081 R)
• M7: 4,286,877 km (0.087 R)
• M8: 6,045,400 km (0.04 R)
• M9: 6,705,126 km (0.119 R)
• M10: 8,394,086 km (0.091 R)
• M11: 9,962,620 km (0.112 R)
• M12: 12,645,209 km (0.109 R)
• M13: 14,479,279 km (0.106 R)
• M14: 16,069,354 km (0.097 R)
• M15: 17,647,612 km (0.078 R)
• M16: 20,205,137 km (0.115 R)
• M17: 23,301,364 km (0.04 R)
• M18: 26,949,608 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 10

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4 AU - 4 AU

Year: 5248 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,915,037 km

• M1: 124,316 km (0.1 R)
• M2: 448,943 km (0.061 R)
• M3: 826,977 km (0.083 R)
• M4: 1,336,807 km (0.063 R)
• M5: 1,770,940 km (0.097 R)
• M6: 2,111,424 km (0.097 R)
• M7: 2,976,100 km (0.062 R)
• M8: 3,335,733 km (0.045 R)
• M9: 5,928,863 km (0.093 R)
• M10: 6,671,915 km (0.055 R)
• M11: 7,444,888 km (0.094 R)
• M12: 10,704,625 km (0.106 R)
• M13: 11,184,834 km (0.055 R)
• M14: 12,404,955 km (0.078 R)
• M15: 13,160,125 km (0.062 R)
• M16: 15,008,556 km (0.096 R)
• M17: 16,809,266 km (0.108 R)
• M18: 17,623,527 km (0.118 R)
• M19: 18,749,700 km (0.083 R)
• M20: 20,163,699 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.4

Radius: 5

Gravity: 19.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.08 AU - 6.58 AU

Year: 10448 Days

Day: 24 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,915,037 km

• M1: 62,831 km (0.076 R)
• M2: 280,346 km (0.089 R)
• M3: 1,573,919 km (0.065 R)
• M4: 1,807,591 km (0.112 R)
• M5: 2,166,476 km (0.103 R)
• M6: 2,344,797 km (0.085 R)
• M7: 3,703,445 km (0.044 R)
• M8: 4,364,817 km (0.098 R)
• M9: 4,978,617 km (0.095 R)
• M10: 5,164,118 km (0.101 R)
• M11: 5,581,945 km (0.077 R)
• M12: 7,724,785 km (0.059 R)
• M13: 7,890,240 km (0.044 R)
• M14: 10,162,183 km (0.098 R)
• M15: 11,879,717 km (0.051 R)
• M16: 12,951,735 km (0.053 R)
• M17: 15,092,480 km (0.042 R)
• M18: 22,823,698 km (0.103 R)
• M19: 26,388,167 km (0.116 R)
• M20: 28,893,782 km (0.106 R)
• M21: 32,726,329 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.7

Radius: 6.3

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.68 AU - 9.32 AU

Year: 16257 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,915,037 km

• M1: 78,389 km (0.072 R)
• M2: 324,478 km (0.12 R)
• M3: 625,768 km (0.08 R)
• M4: 874,549 km (0.071 R)
• M5: 1,462,618 km (0.048 R)
• M6: 2,011,942 km (0.061 R)
• M7: 3,937,266 km (0.098 R)
• M8: 4,797,454 km (0.082 R)
• M9: 5,154,544 km (0.118 R)
• M10: 5,599,149 km (0.083 R)
• M11: 6,525,758 km (0.116 R)
• M12: 8,306,123 km (0.116 R)
• M13: 9,709,650 km (0.1 R)
• M14: 10,123,138 km (0.078 R)
• M15: 10,765,212 km (0.053 R)
• M16: 11,208,172 km (0.108 R)
• M17: 12,189,683 km (0.105 R)
• M18: 13,102,230 km (0.096 R)
• M19: 14,388,622 km (0.094 R)
• M20: 15,546,510 km (0.063 R)
• M21: 15,757,144 km (0.087 R)
• M22: 16,112,439 km (0.113 R)
• M23: 17,210,188 km (0.081 R)
• M24: 18,357,155 km (0.052 R)
• M25: 19,554,087 km (0.076 R)
• M26: 20,802,182 km (0.087 R)
• M27: 21,143,714 km (0.073 R)
• M28: 29,104,415 km (0.101 R)
• M29: 30,949,555 km (0.084 R)
• M30: 38,468,045 km (0.086 R)
• M31: 38,982,812 km (0.089 R)
• M32: 39,763,413 km (0.114 R)
• M33: 47,411,604 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 11,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit