🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 9.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.85 AU - 1.39 AU

Year: 765 Days

Day: 13.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,125,468 km

• M1: 115,639 km (0.095 R)
• M2: 513,719 km (0.082 R)
• M3: 1,000,511 km (0.117 R)
• M4: 1,514,529 km (0.096 R)
• M5: 1,837,361 km (0.088 R)
• M6: 2,419,895 km (0.057 R)
• M7: 2,795,236 km (0.112 R)
• M8: 3,209,323 km (0.119 R)
• M9: 3,539,635 km (0.067 R)
• M10: 4,378,730 km (0.108 R)
• M11: 4,669,548 km (0.099 R)
• M12: 5,435,788 km (0.07 R)
• M13: 6,063,800 km (0.062 R)
• M14: 6,364,791 km (0.038 R)
• M15: 6,781,720 km (0.117 R)
• M16: 7,172,470 km (0.11 R)
• M17: 7,693,519 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 13.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.54 AU

Year: 924 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,125,468 km

• M1: 166,652 km (0.088 R)
• M2: 608,265 km (0.07 R)
• M3: 1,109,867 km (0.045 R)
• M4: 1,660,686 km (0.107 R)
• M5: 2,186,822 km (0.073 R)
• M6: 2,956,503 km (0.072 R)
• M7: 3,699,406 km (0.056 R)
• M8: 5,234,280 km (0.064 R)
• M9: 6,136,056 km (0.11 R)
• M10: 6,614,619 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 9

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.36 AU - 1.54 AU

Year: 1127 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,125,468 km

• M1: 113,096 km (0.088 R)
• M2: 779,704 km (0.109 R)
• M3: 1,783,356 km (0.096 R)
• M4: 2,679,447 km (0.041 R)
• M5: 3,084,259 km (0.067 R)
• M6: 3,623,410 km (0.098 R)
• M7: 3,966,139 km (0.108 R)
• M8: 5,538,712 km (0.088 R)
• M9: 6,429,118 km (0.098 R)
• M10: 7,007,463 km (0.106 R)
• M11: 8,240,150 km (0.07 R)
• M12: 10,335,567 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 9.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.64 AU - 2.24 AU

Year: 1745 Days

Day: 9.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,125,468 km

• M1: 124,166 km (0.111 R)
• M2: 444,904 km (0.082 R)
• M3: 802,293 km (0.116 R)
• M4: 1,348,026 km (0.082 R)
• M5: 1,728,753 km (0.109 R)
• M6: 2,280,470 km (0.118 R)
• M7: 3,194,663 km (0.074 R)
• M8: 3,703,744 km (0.104 R)
• M9: 4,300,939 km (0.114 R)
• M10: 6,882,998 km (0.067 R)
• M11: 7,759,791 km (0.084 R)
• M12: 8,211,726 km (0.038 R)
• M13: 9,023,145 km (0.082 R)
• M14: 9,583,240 km (0.07 R)
• M15: 9,948,707 km (0.103 R)
• M16: 10,578,514 km (0.085 R)
• M17: 10,969,114 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 13.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.56 AU - 2.4 AU

Year: 1799 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,125,468 km

• M1: 176,376 km (0.062 R)
• M2: 658,081 km (0.034 R)
• M3: 1,142,030 km (0.119 R)
• M4: 1,872,666 km (0.089 R)
• M5: 2,721,933 km (0.072 R)
• M6: 3,389,589 km (0.105 R)
• M7: 3,880,868 km (0.082 R)
• M8: 4,463,103 km (0.071 R)
• M9: 5,700,427 km (0.084 R)
• M10: 6,233,294 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 14.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.04 AU - 3.14 AU

Year: 2691 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,125,468 km

• M1: 176,525 km (0.106 R)
• M2: 729,888 km (0.099 R)
• M3: 1,567,038 km (0.063 R)
• M4: 2,134,762 km (0.082 R)
• M5: 3,038,482 km (0.075 R)
• M6: 3,617,725 km (0.106 R)
• M7: 4,379,178 km (0.097 R)
• M8: 5,786,296 km (0.116 R)
• M9: 6,449,912 km (0.119 R)
• M10: 7,102,458 km (0.103 R)
• M11: 7,733,612 km (0.083 R)
• M12: 9,551,525 km (0.085 R)
• M13: 12,030,062 km (0.094 R)
• M14: 13,113,899 km (0.086 R)
• M15: 14,509,198 km (0.042 R)
• M16: 15,632,229 km (0.113 R)
• M17: 16,107,951 km (0.114 R)
• M18: 17,707,302 km (0.078 R)
• M19: 19,349,886 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 9.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.32 AU - 2.94 AU

Year: 2754 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,125,468 km

• M1: 121,922 km (0.063 R)
• M2: 608,415 km (0.08 R)
• M3: 920,625 km (0.063 R)
• M4: 1,392,906 km (0.056 R)
• M5: 1,773,932 km (0.067 R)
• M6: 2,088,087 km (0.069 R)
• M7: 2,831,289 km (0.067 R)
• M8: 3,325,411 km (0.088 R)
• M9: 3,724,688 km (0.08 R)
• M10: 4,300,789 km (0.088 R)
• M11: 4,639,479 km (0.107 R)
• M12: 5,036,811 km (0.093 R)
• M13: 5,587,032 km (0.031 R)
• M14: 6,833,032 km (0.113 R)
• M15: 7,217,200 km (0.043 R)
• M16: 8,085,017 km (0.111 R)
• M17: 9,296,909 km (0.117 R)
• M18: 10,761,921 km (0.038 R)
• M19: 11,142,199 km (0.092 R)
• M20: 12,487,981 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.9

Radius: 9.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.57 AU - 2.91 AU

Year: 2928 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,125,468 km

• M1: 132,095 km (0.098 R)
• M2: 483,351 km (0.061 R)
• M3: 1,054,067 km (0.048 R)
• M4: 1,719,628 km (0.105 R)
• M5: 2,656,260 km (0.039 R)
• M6: 3,070,048 km (0.081 R)
• M7: 3,886,702 km (0.053 R)
• M8: 4,337,889 km (0.058 R)
• M9: 6,284,457 km (0.087 R)
• M10: 6,635,563 km (0.109 R)
• M11: 7,943,946 km (0.075 R)
• M12: 8,433,730 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 14.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.11 AU - 6.37 AU

Year: 8879 Days

Day: 14.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,125,468 km

• M1: 176,675 km (0.049 R)
• M2: 636,838 km (0.117 R)
• M3: 1,434,943 km (0.12 R)
• M4: 2,712,658 km (0.097 R)
• M5: 5,396,743 km (0.099 R)
• M6: 6,355,366 km (0.117 R)
• M7: 6,875,817 km (0.082 R)
• M8: 7,575,786 km (0.094 R)
• M9: 9,249,337 km (0.09 R)
• M10: 10,196,441 km (0.092 R)
• M11: 11,865,954 km (0.113 R)
• M12: 12,657,925 km (0.085 R)
• M13: 13,205,303 km (0.053 R)
• M14: 14,172,154 km (0.09 R)
• M15: 16,119,470 km (0.077 R)
• M16: 17,490,983 km (0.075 R)
• M17: 20,465,288 km (0.103 R)
• M18: 25,623,273 km (0.07 R)
• M19: 27,126,731 km (0.066 R)
• M20: 28,688,234 km (0.092 R)
• M21: 30,993,687 km (0.106 R)
• M22: 31,588,787 km (0.032 R)
• M23: 35,970,808 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.3

Radius: 4.5

Gravity: 32.61 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.77 AU - 7.91 AU

Year: 11550 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,125,468 km

• M1: 57,894 km (0.112 R)
• M2: 330,312 km (0.09 R)
• M3: 504,594 km (0.098 R)
• M4: 1,810,583 km (0.1 R)
• M5: 1,996,084 km (0.064 R)
• M6: 2,935,709 km (0.048 R)
• M7: 3,566,413 km (0.105 R)
• M8: 4,138,326 km (0.08 R)
• M9: 4,644,415 km (0.105 R)
• M10: 6,643,043 km (0.117 R)
• M11: 7,590,596 km (0.088 R)
• M12: 9,851,917 km (0.107 R)
• M13: 10,110,572 km (0.077 R)
• M14: 11,024,166 km (0.072 R)
• M15: 14,890,074 km (0.083 R)
• M16: 15,507,166 km (0.074 R)
• M17: 20,311,950 km (0.104 R)
• M18: 20,562,676 km (0.067 R)
• M19: 22,643,583 km (0.119 R)
• M20: 26,021,802 km (0.062 R)
• M21: 33,175,123 km (0.031 R)
• M22: 33,990,431 km (0.115 R)
• M23: 42,209,189 km (0.119 R)
• M24: 43,719,529 km (0.114 R)
• M25: 45,550,308 km (0.09 R)
• M26: 46,123,716 km (0.073 R)
• M27: 51,193,887 km (0.109 R)
• M28: 51,813,671 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 10,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit