🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 12.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.85 AU

Year: 471 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,805,352 km

• M1: 153,039 km (0.063 R)
• M2: 537,954 km (0.073 R)
• M3: 1,091,316 km (0.092 R)
• M4: 1,794,277 km (0.114 R)
• M5: 2,340,309 km (0.082 R)
• M6: 2,876,617 km (0.113 R)
• M7: 3,900,914 km (0.117 R)
• M8: 4,410,744 km (0.095 R)
• M9: 5,122,381 km (0.112 R)
• M10: 5,787,044 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.3

Radius: 8.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.87 AU - 0.97 AU

Year: 570 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,805,352 km

• M1: 102,026 km (0.073 R)
• M2: 462,856 km (0.112 R)
• M3: 1,319,902 km (0.086 R)
• M4: 1,584,541 km (0.115 R)
• M5: 2,005,210 km (0.083 R)
• M6: 2,368,134 km (0.091 R)
• M7: 3,154,122 km (0.079 R)
• M8: 4,398,626 km (0.05 R)
• M9: 4,916,085 km (0.1 R)
• M10: 5,215,131 km (0.032 R)
• M11: 5,704,616 km (0.08 R)
• M12: 5,979,277 km (0.092 R)
• M13: 6,918,004 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 12.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.77 AU - 1.93 AU

Year: 1625 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,805,352 km

• M1: 174,730 km (0.093 R)
• M2: 698,472 km (0.105 R)
• M3: 1,411,157 km (0.101 R)
• M4: 2,058,915 km (0.092 R)
• M5: 2,641,001 km (0.081 R)
• M6: 3,304,617 km (0.077 R)
• M7: 3,910,488 km (0.082 R)
• M8: 4,376,336 km (0.113 R)
• M9: 5,552,475 km (0.084 R)
• M10: 6,204,572 km (0.094 R)
• M11: 6,885,092 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 9.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.69 AU - 2.03 AU

Year: 1638 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,805,352 km

• M1: 113,246 km (0.108 R)
• M2: 473,627 km (0.119 R)
• M3: 1,123,480 km (0.094 R)
• M4: 1,772,884 km (0.103 R)
• M5: 3,022,027 km (0.11 R)
• M6: 4,047,370 km (0.116 R)
• M7: 4,554,208 km (0.106 R)
• M8: 4,903,369 km (0.048 R)
• M9: 5,675,145 km (0.094 R)
• M10: 6,460,683 km (0.115 R)
• M11: 7,723,738 km (0.108 R)
• M12: 8,120,322 km (0.076 R)
• M13: 8,900,625 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 13.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.67 AU - 4.67 AU

Year: 5498 Days

Day: 12.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,805,352 km

• M1: 170,392 km (0.062 R)
• M2: 615,595 km (0.12 R)
• M3: 1,059,303 km (0.106 R)
• M4: 1,593,965 km (0.118 R)
• M5: 2,552,140 km (0.105 R)
• M6: 3,035,490 km (0.057 R)
• M7: 4,142,515 km (0.06 R)
• M8: 5,332,416 km (0.091 R)
• M9: 5,976,884 km (0.059 R)
• M10: 6,413,710 km (0.09 R)
• M11: 7,781,483 km (0.085 R)
• M12: 9,130,856 km (0.061 R)
• M13: 10,362,794 km (0.082 R)
• M14: 11,181,394 km (0.07 R)
• M15: 14,115,307 km (0.057 R)
• M16: 16,720,105 km (0.049 R)
• M17: 17,719,120 km (0.085 R)
• M18: 20,320,627 km (0.107 R)
• M19: 20,813,253 km (0.091 R)
• M20: 21,603,429 km (0.1 R)
• M21: 22,264,801 km (0.116 R)
• M22: 23,091,329 km (0.102 R)
• M23: 25,126,458 km (0.11 R)
• M24: 26,520,262 km (0.073 R)
• M25: 28,574,839 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 11.8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.31 AU - 6.07 AU

Year: 8764 Days

Day: 10.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,805,352 km

• M1: 147,354 km (0.113 R)
• M2: 1,325,736 km (0.071 R)
• M3: 1,752,689 km (0.062 R)
• M4: 3,549,359 km (0.078 R)
• M5: 4,059,039 km (0.078 R)
• M6: 4,558,995 km (0.102 R)
• M7: 5,418,734 km (0.051 R)
• M8: 7,663,450 km (0.119 R)
• M9: 8,430,289 km (0.083 R)
• M10: 10,520,021 km (0.045 R)
• M11: 11,305,560 km (0.068 R)
• M12: 11,795,493 km (0.089 R)
• M13: 12,643,414 km (0.093 R)
• M14: 14,271,487 km (0.101 R)
• M15: 16,035,097 km (0.068 R)
• M16: 18,908,722 km (0.055 R)
• M17: 19,755,596 km (0.093 R)
• M18: 21,857,745 km (0.072 R)
• M19: 23,838,122 km (0.109 R)
• M20: 24,463,889 km (0.084 R)
• M21: 27,758,483 km (0.119 R)
• M22: 28,152,973 km (0.096 R)
• M23: 32,852,291 km (0.082 R)
• M24: 35,792,936 km (0.12 R)
• M25: 38,049,919 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.1

Radius: 6.4

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.01 AU - 6.03 AU

Year: 9537 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,805,352 km

• M1: 79,885 km (0.114 R)
• M2: 293,511 km (0.104 R)
• M3: 672,143 km (0.108 R)
• M4: 1,290,282 km (0.108 R)
• M5: 1,846,636 km (0.105 R)
• M6: 3,214,260 km (0.112 R)
• M7: 4,081,030 km (0.115 R)
• M8: 4,504,093 km (0.094 R)
• M9: 5,094,406 km (0.108 R)
• M10: 5,826,538 km (0.077 R)
• M11: 7,680,654 km (0.107 R)
• M12: 7,904,153 km (0.041 R)
• M13: 14,781,766 km (0.116 R)
• M14: 15,070,041 km (0.097 R)
• M15: 17,257,610 km (0.093 R)
• M16: 17,835,806 km (0.067 R)
• M17: 18,097,004 km (0.111 R)
• M18: 21,140,124 km (0.118 R)
• M19: 27,690,566 km (0.093 R)
• M20: 31,232,595 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.9

Radius: 7.2

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5 AU - 8.18 AU

Year: 10923 Days

Day: 16 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,805,352 km

• M1: 89,609 km (0.105 R)
• M2: 341,532 km (0.086 R)
• M3: 667,057 km (0.045 R)
• M4: 1,033,572 km (0.105 R)
• M5: 1,893,759 km (0.069 R)
• M6: 3,073,638 km (0.092 R)
• M7: 3,344,709 km (0.084 R)
• M8: 3,909,441 km (0.088 R)
• M9: 4,651,297 km (0.108 R)
• M10: 5,322,243 km (0.083 R)
• M11: 6,303,157 km (0.11 R)
• M12: 6,780,075 km (0.066 R)
• M13: 8,931,142 km (0.091 R)
• M14: 11,553,593 km (0.095 R)
• M15: 13,127,662 km (0.045 R)
• M16: 13,662,474 km (0.044 R)
• M17: 14,460,729 km (0.075 R)
• M18: 15,354,725 km (0.109 R)
• M19: 15,948,479 km (0.072 R)
• M20: 18,038,810 km (0.114 R)
• M21: 19,837,426 km (0.112 R)
• M22: 22,924,677 km (0.048 R)
• M23: 25,669,199 km (0.092 R)
• M24: 27,072,727 km (0.105 R)
• M25: 27,455,398 km (0.086 R)
• M26: 28,724,287 km (0.076 R)
• M27: 31,589,086 km (0.056 R)
• M28: 32,013,346 km (0.076 R)
• M29: 34,414,841 km (0.103 R)
• M30: 34,751,436 km (0.049 R)
• M31: 39,819,213 km (0.117 R)
• M32: 40,813,441 km (0.097 R)
• M33: 42,851,412 km (0.086 R)
• M34: 44,027,102 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.8

Radius: 4.1

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.76 AU - 12.2 AU

Year: 20357 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,805,352 km

• M1: 52,060 km (0.053 R)
• M2: 305,928 km (0.069 R)
• M3: 455,675 km (0.106 R)
• M4: 1,120,787 km (0.102 R)
• M5: 1,621,641 km (0.048 R)
• M6: 1,828,984 km (0.066 R)
• M7: 3,288,909 km (0.039 R)
• M8: 3,465,584 km (0.045 R)
• M9: 5,420,978 km (0.103 R)
• M10: 6,570,787 km (0.042 R)
• M11: 7,350,641 km (0.114 R)
• M12: 7,696,810 km (0.087 R)
• M13: 7,873,934 km (0.116 R)
• M14: 8,609,806 km (0.043 R)
• M15: 10,979,137 km (0.072 R)
• M16: 11,954,665 km (0.114 R)
• M17: 13,237,766 km (0.1 R)
• M18: 14,408,220 km (0.099 R)
• M19: 16,073,992 km (0.112 R)
• M20: 16,218,354 km (0.1 R)
• M21: 16,953,029 km (0.077 R)
• M22: 19,699,646 km (0.072 R)
• M23: 22,457,632 km (0.097 R)
• M24: 23,647,833 km (0.094 R)
• M25: 27,264,810 km (0.085 R)
• M26: 31,911,470 km (0.11 R)
• M27: 36,185,780 km (0.078 R)
• M28: 38,459,369 km (0.097 R)
• M29: 39,107,427 km (0.12 R)
• M30: 47,460,972 km (0.101 R)
• M31: 51,110,262 km (0.056 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: 267 - 16,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit