🌌 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: 325.6

Radius: 13.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.96 AU - 1.28 AU

Year: 765 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,705,222 km

• M1: 171,140 km (0.058 R)
• M2: 626,665 km (0.113 R)
• M3: 1,165,667 km (0.094 R)
• M4: 1,942,229 km (0.057 R)
• M5: 2,493,198 km (0.104 R)
• M6: 3,101,463 km (0.108 R)
• M7: 3,599,175 km (0.108 R)
• M8: 4,264,138 km (0.038 R)
• M9: 4,803,887 km (0.096 R)
• M10: 5,238,618 km (0.084 R)
• M11: 5,985,560 km (0.119 R)
• M12: 6,509,303 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 8.9

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.53 AU - 2.17 AU

Year: 1625 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,705,222 km

• M1: 111,151 km (0.06 R)
• M2: 554,559 km (0.073 R)
• M3: 938,727 km (0.088 R)
• M4: 1,234,631 km (0.088 R)
• M5: 1,853,218 km (0.119 R)
• M6: 2,189,963 km (0.117 R)
• M7: 3,488,473 km (0.043 R)
• M8: 4,234,667 km (0.1 R)
• M9: 4,512,620 km (0.116 R)
• M10: 4,930,895 km (0.102 R)
• M11: 5,397,790 km (0.072 R)
• M12: 6,165,676 km (0.115 R)
• M13: 6,602,203 km (0.104 R)
• M14: 7,394,623 km (0.11 R)
• M15: 8,433,730 km (0.087 R)
• M16: 10,294,428 km (0.042 R)
• M17: 10,762,669 km (0.086 R)
• M18: 11,549,105 km (0.057 R)
• M19: 13,575,259 km (0.086 R)
• M20: 14,492,892 km (0.118 R)
• M21: 15,358,316 km (0.114 R)
• M22: 15,638,662 km (0.074 R)
• M23: 15,922,449 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 13.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.84 AU - 4.52 AU

Year: 4558 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,705,222 km

• M1: 168,298 km (0.115 R)
• M2: 595,998 km (0.116 R)
• M3: 1,094,907 km (0.102 R)
• M4: 1,789,789 km (0.109 R)
• M5: 2,201,333 km (0.102 R)
• M6: 2,917,308 km (0.076 R)
• M7: 3,339,324 km (0.07 R)
• M8: 6,259,923 km (0.101 R)
• M9: 10,614,567 km (0.098 R)
• M10: 11,150,427 km (0.089 R)
• M11: 11,784,871 km (0.084 R)
• M12: 13,788,735 km (0.087 R)
• M13: 15,665,590 km (0.083 R)
• M14: 17,654,194 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.7

Radius: 11.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.7 AU - 3.92 AU

Year: 4802 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,705,222 km

• M1: 144,362 km (0.071 R)
• M2: 659,577 km (0.089 R)
• M3: 1,202,168 km (0.119 R)
• M4: 1,687,913 km (0.108 R)
• M5: 2,158,697 km (0.1 R)
• M6: 3,063,615 km (0.108 R)
• M7: 3,621,615 km (0.109 R)
• M8: 4,023,884 km (0.104 R)
• M9: 4,498,857 km (0.077 R)
• M10: 5,151,103 km (0.037 R)
• M11: 5,788,540 km (0.082 R)
• M12: 6,588,589 km (0.116 R)
• M13: 7,552,299 km (0.116 R)
• M14: 8,310,461 km (0.054 R)
• M15: 8,877,736 km (0.088 R)
• M16: 9,506,346 km (0.105 R)
• M17: 10,970,161 km (0.057 R)
• M18: 12,026,322 km (0.095 R)
• M19: 12,927,799 km (0.107 R)
• M20: 13,966,308 km (0.098 R)
• M21: 14,482,271 km (0.089 R)
• M22: 15,502,528 km (0.046 R)
• M23: 16,311,553 km (0.109 R)
• M24: 16,936,723 km (0.084 R)
• M25: 17,308,623 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 8.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.19 AU - 4.79 AU

Year: 6143 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,705,222 km

• M1: 108,458 km (0.058 R)
• M2: 553,213 km (0.116 R)
• M3: 975,378 km (0.078 R)
• M4: 1,299,856 km (0.058 R)
• M5: 2,938,551 km (0.101 R)
• M6: 3,298,633 km (0.106 R)
• M7: 3,688,186 km (0.087 R)
• M8: 4,329,811 km (0.092 R)
• M9: 4,606,567 km (0.077 R)
• M10: 5,889,967 km (0.072 R)
• M11: 6,201,729 km (0.099 R)
• M12: 6,796,680 km (0.119 R)
• M13: 8,848,265 km (0.086 R)
• M14: 9,876,302 km (0.083 R)
• M15: 10,855,121 km (0.079 R)
• M16: 11,807,910 km (0.108 R)
• M17: 13,099,986 km (0.034 R)
• M18: 13,437,180 km (0.111 R)
• M19: 13,978,874 km (0.062 R)
• M20: 16,682,257 km (0.104 R)
• M21: 17,078,542 km (0.112 R)
• M22: 18,788,146 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.6

Radius: 7.6

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.25 AU - 8.97 AU

Year: 13555 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,705,222 km

• M1: 96,341 km (0.078 R)
• M2: 368,160 km (0.066 R)
• M3: 714,629 km (0.108 R)
• M4: 1,564,495 km (0.05 R)
• M5: 2,187,570 km (0.045 R)
• M6: 2,483,325 km (0.113 R)
• M7: 3,180,301 km (0.094 R)
• M8: 3,508,818 km (0.081 R)
• M9: 4,922,967 km (0.094 R)
• M10: 5,720,323 km (0.091 R)
• M11: 7,308,006 km (0.09 R)
• M12: 9,525,046 km (0.031 R)
• M13: 10,426,822 km (0.097 R)
• M14: 11,153,868 km (0.097 R)
• M15: 11,617,771 km (0.056 R)
• M16: 12,337,785 km (0.052 R)
• M17: 13,343,681 km (0.117 R)
• M18: 13,734,581 km (0.086 R)
• M19: 15,949,975 km (0.097 R)
• M20: 19,205,075 km (0.082 R)
• M21: 19,956,057 km (0.109 R)
• M22: 20,210,672 km (0.099 R)
• M23: 22,692,950 km (0.107 R)
• M24: 23,343,850 km (0.114 R)
• M25: 25,670,396 km (0.038 R)
• M26: 26,581,298 km (0.12 R)
• M27: 27,513,592 km (0.049 R)
• M28: 28,040,924 km (0.118 R)
• M29: 32,504,476 km (0.073 R)
• M30: 32,975,410 km (0.097 R)
• M31: 35,646,629 km (0.117 R)
• M32: 39,784,806 km (0.069 R)
• M33: 40,323,508 km (0.11 R)
• M34: 46,724,352 km (0.102 R)
• M35: 52,147,275 km (0.081 R)
• M36: 55,259,808 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 4.5

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.32 AU - 7.94 AU

Year: 13608 Days

Day: 23.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,705,222 km

• M1: 55,950 km (0.11 R)
• M2: 236,065 km (0.078 R)
• M3: 385,813 km (0.09 R)
• M4: 843,433 km (0.084 R)
• M5: 1,035,666 km (0.076 R)
• M6: 1,201,420 km (0.057 R)
• M7: 1,709,455 km (0.119 R)
• M8: 2,314,578 km (0.06 R)
• M9: 3,135,571 km (0.083 R)
• M10: 4,083,872 km (0.049 R)
• M11: 4,474,173 km (0.117 R)
• M12: 4,747,937 km (0.092 R)
• M13: 6,021,464 km (0.08 R)
• M14: 6,492,099 km (0.093 R)
• M15: 8,212,026 km (0.081 R)
• M16: 10,307,742 km (0.1 R)
• M17: 11,177,654 km (0.055 R)
• M18: 13,964,512 km (0.116 R)
• M19: 15,455,554 km (0.074 R)
• M20: 17,514,919 km (0.11 R)
• M21: 18,679,987 km (0.101 R)
• M22: 19,317,274 km (0.054 R)
• M23: 20,935,923 km (0.052 R)
• M24: 25,545,781 km (0.097 R)
• M25: 28,594,287 km (0.077 R)
• M26: 29,250,722 km (0.064 R)
• M27: 35,940,888 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit