🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 10.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,947,832 km

• M1: 129,402 km (0.12 R)
• M2: 492,925 km (0.064 R)
• M3: 873,652 km (0.101 R)
• M4: 1,235,080 km (0.119 R)
• M5: 1,657,694 km (0.088 R)
• M6: 2,233,197 km (0.109 R)
• M7: 2,568,446 km (0.049 R)
• M8: 3,017,539 km (0.082 R)
• M9: 3,496,252 km (0.079 R)
• M10: 3,915,126 km (0.067 R)
• M11: 4,251,272 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 13.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 8.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,947,832 km

• M1: 172,935 km (0.09 R)
• M2: 755,020 km (0.097 R)
• M3: 1,379,292 km (0.09 R)
• M4: 1,852,171 km (0.092 R)
• M5: 2,672,267 km (0.075 R)
• M6: 3,961,352 km (0.085 R)
• M7: 4,453,678 km (0.102 R)
• M8: 5,082,438 km (0.079 R)
• M9: 6,018,921 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 15

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.84 AU - 0.86 AU

Year: 541 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,947,832 km

• M1: 186,549 km (0.114 R)
• M2: 671,395 km (0.085 R)
• M3: 1,377,048 km (0.051 R)
• M4: 1,846,636 km (0.082 R)
• M5: 2,319,964 km (0.082 R)
• M6: 2,792,095 km (0.079 R)
• M7: 3,763,284 km (0.06 R)
• M8: 4,235,415 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 10.3

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.35 AU - 2.81 AU

Year: 2860 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,947,832 km

• M1: 128,505 km (0.077 R)
• M2: 522,097 km (0.096 R)
• M3: 924,964 km (0.072 R)
• M4: 1,432,250 km (0.034 R)
• M5: 1,847,982 km (0.058 R)
• M6: 2,553,636 km (0.12 R)
• M7: 4,404,461 km (0.107 R)
• M8: 5,449,102 km (0.116 R)
• M9: 6,923,988 km (0.092 R)
• M10: 7,954,568 km (0.099 R)
• M11: 8,648,851 km (0.119 R)
• M12: 11,747,921 km (0.083 R)
• M13: 14,233,639 km (0.069 R)
• M14: 20,988,282 km (0.077 R)
• M15: 22,244,904 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 8.1

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.19 AU - 3.55 AU

Year: 3356 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,947,832 km

• M1: 108,758 km (0.06 R)
• M2: 373,695 km (0.085 R)
• M3: 666,608 km (0.064 R)
• M4: 1,308,682 km (0.115 R)
• M5: 1,726,509 km (0.08 R)
• M6: 2,217,489 km (0.066 R)
• M7: 4,366,911 km (0.091 R)
• M8: 4,739,859 km (0.099 R)
• M9: 5,015,867 km (0.056 R)
• M10: 5,987,954 km (0.059 R)
• M11: 7,752,461 km (0.056 R)
• M12: 8,104,165 km (0.108 R)
• M13: 9,838,454 km (0.066 R)
• M14: 10,596,915 km (0.074 R)
• M15: 11,516,642 km (0.096 R)
• M16: 12,575,646 km (0.062 R)
• M17: 13,061,689 km (0.074 R)
• M18: 13,790,829 km (0.097 R)
• M19: 19,733,006 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 12.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.81 AU - 3.47 AU

Year: 3841 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,947,832 km

• M1: 157,975 km (0.115 R)
• M2: 664,215 km (0.106 R)
• M3: 1,167,462 km (0.068 R)
• M4: 1,641,837 km (0.095 R)
• M5: 2,706,674 km (0.065 R)
• M6: 3,266,320 km (0.096 R)
• M7: 3,726,333 km (0.089 R)
• M8: 4,125,460 km (0.104 R)
• M9: 5,202,266 km (0.081 R)
• M10: 5,754,731 km (0.075 R)
• M11: 6,542,812 km (0.098 R)
• M12: 7,557,086 km (0.087 R)
• M13: 8,367,757 km (0.116 R)
• M14: 11,314,087 km (0.114 R)
• M15: 12,071,651 km (0.05 R)
• M16: 13,781,853 km (0.082 R)
• M17: 16,376,928 km (0.096 R)
• M18: 16,964,997 km (0.034 R)
• M19: 17,511,927 km (0.089 R)
• M20: 20,608,902 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 10.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.87 AU - 3.43 AU

Year: 3859 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,947,832 km

• M1: 129,402 km (0.06 R)
• M2: 820,694 km (0.095 R)
• M3: 1,427,762 km (0.117 R)
• M4: 1,914,105 km (0.096 R)
• M5: 2,562,462 km (0.03 R)
• M6: 4,199,063 km (0.086 R)
• M7: 5,848,828 km (0.073 R)
• M8: 6,700,489 km (0.099 R)
• M9: 8,586,918 km (0.119 R)
• M10: 9,518,763 km (0.077 R)
• M11: 10,840,011 km (0.063 R)
• M12: 12,005,379 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 12.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.31 AU - 5.13 AU

Year: 7078 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,947,832 km

• M1: 154,235 km (0.052 R)
• M2: 660,923 km (0.083 R)
• M3: 1,076,207 km (0.108 R)
• M4: 1,585,588 km (0.065 R)
• M5: 2,350,631 km (0.103 R)
• M6: 2,763,671 km (0.053 R)
• M7: 4,663,265 km (0.057 R)
• M8: 5,151,851 km (0.07 R)
• M9: 7,243,230 km (0.069 R)
• M10: 9,001,902 km (0.109 R)
• M11: 9,419,280 km (0.054 R)
• M12: 10,935,754 km (0.1 R)
• M13: 11,459,646 km (0.076 R)
• M14: 13,185,856 km (0.102 R)
• M15: 14,732,548 km (0.11 R)
• M16: 16,458,907 km (0.118 R)
• M17: 18,183,920 km (0.084 R)
• M18: 19,124,442 km (0.093 R)
• M19: 19,676,159 km (0.046 R)
• M20: 22,065,686 km (0.094 R)
• M21: 25,544,285 km (0.077 R)
• M22: 27,588,241 km (0.051 R)
• M23: 28,115,723 km (0.084 R)
• M24: 28,560,477 km (0.098 R)
• M25: 29,464,198 km (0.064 R)
• M26: 30,293,569 km (0.085 R)
• M27: 32,289,653 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822

Radius: 7.8

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.9 AU - 6.96 AU

Year: 12592 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,947,832 km

• M1: 97,089 km (0.105 R)
• M2: 349,161 km (0.116 R)
• M3: 694,583 km (0.098 R)
• M4: 937,380 km (0.106 R)
• M5: 1,225,805 km (0.045 R)
• M6: 1,513,631 km (0.083 R)
• M7: 1,829,582 km (0.035 R)
• M8: 2,705,477 km (0.117 R)
• M9: 3,481,142 km (0.116 R)
• M10: 4,036,300 km (0.101 R)
• M11: 4,335,346 km (0.105 R)
• M12: 4,649,203 km (0.066 R)
• M13: 4,944,658 km (0.049 R)
• M14: 6,021,015 km (0.118 R)
• M15: 6,293,134 km (0.027 R)
• M16: 7,289,455 km (0.05 R)
• M17: 8,387,055 km (0.044 R)
• M18: 8,678,023 km (0.078 R)
• M19: 11,969,026 km (0.111 R)
• M20: 15,569,548 km (0.039 R)
• M21: 20,004,377 km (0.119 R)
• M22: 24,914,777 km (0.084 R)
• M23: 30,231,635 km (0.051 R)
• M24: 34,496,820 km (0.12 R)
• M25: 40,233,749 km (0.112 R)
• M26: 49,982,444 km (0.09 R)
• M27: 53,386,244 km (0.049 R)
• M28: 54,554,454 km (0.072 R)
• M29: 58,336,438 km (0.109 R)
• M30: 58,865,416 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.5

Radius: 4.1

Gravity: 57.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.95 AU - 7.65 AU

Year: 13614 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,947,832 km

• M1: 55,501 km (0.106 R)
• M2: 227,987 km (0.113 R)
• M3: 474,973 km (0.11 R)
• M4: 821,741 km (0.105 R)
• M5: 1,156,541 km (0.112 R)
• M6: 1,319,453 km (0.088 R)
• M7: 1,976,337 km (0.05 R)
• M8: 2,271,644 km (0.088 R)
• M9: 2,876,318 km (0.102 R)
• M10: 3,099,967 km (0.087 R)
• M11: 3,782,283 km (0.058 R)
• M12: 4,363,919 km (0.12 R)
• M13: 4,795,061 km (0.102 R)
• M14: 8,189,586 km (0.09 R)
• M15: 8,437,320 km (0.057 R)
• M16: 9,586,531 km (0.103 R)
• M17: 12,709,835 km (0.104 R)
• M18: 25,371,200 km (0.11 R)
• M19: 25,580,787 km (0.091 R)
• M20: 28,074,284 km (0.057 R)
• M21: 29,901,323 km (0.061 R)
• M22: 33,412,086 km (0.104 R)
• M23: 34,298,753 km (0.055 R)
• M24: 34,683,668 km (0.089 R)
• M25: 36,384,446 km (0.117 R)
• M26: 40,519,930 km (0.111 R)
• M27: 41,527,920 km (0.108 R)
• M28: 44,196,746 km (0.11 R)
• M29: 50,201,754 km (0.113 R)
• M30: 50,366,611 km (0.086 R)
• M31: 51,196,879 km (0.099 R)
• M32: 57,265,915 km (0.041 R)
• M33: 60,193,246 km (0.116 R)
• M34: 60,753,042 km (0.088 R)
• M35: 61,128,084 km (0.081 R)
• M36: 61,693,563 km (0.116 R)
• M37: 62,072,644 km (0.091 R)
• M38: 62,643,959 km (0.106 R)
• M39: 63,990,639 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 19,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit