🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 9.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,080,977 km

• M1: 114,442 km (0.052 R)
• M2: 432,637 km (0.079 R)
• M3: 860,188 km (0.052 R)
• M4: 1,250,339 km (0.071 R)
• M5: 1,542,055 km (0.108 R)
• M6: 1,939,536 km (0.071 R)
• M7: 2,300,965 km (0.089 R)
• M8: 2,852,981 km (0.084 R)
• M9: 3,150,082 km (0.118 R)
• M10: 3,490,717 km (0.104 R)
• M11: 4,220,754 km (0.082 R)
• M12: 4,761,551 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 11.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.69 AU - 1.09 AU

Year: 580 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,080,977 km

• M1: 139,276 km (0.104 R)
• M2: 585,825 km (0.074 R)
• M3: 1,034,020 km (0.083 R)
• M4: 1,725,611 km (0.027 R)
• M5: 2,285,706 km (0.033 R)
• M6: 2,666,283 km (0.098 R)
• M7: 3,340,072 km (0.071 R)
• M8: 4,021,340 km (0.107 R)
• M9: 4,923,416 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 13.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.88 AU - 1.32 AU

Year: 796 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,080,977 km

• M1: 163,959 km (0.093 R)
• M2: 578,645 km (0.118 R)
• M3: 1,398,890 km (0.118 R)
• M4: 1,823,149 km (0.119 R)
• M5: 2,512,047 km (0.08 R)
• M6: 3,723,641 km (0.053 R)
• M7: 5,028,134 km (0.044 R)
• M8: 5,549,483 km (0.092 R)
• M9: 7,334,784 km (0.101 R)
• M10: 7,959,804 km (0.106 R)
• M11: 8,371,347 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 13.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.12 AU - 1.14 AU

Year: 829 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,080,977 km

• M1: 165,605 km (0.109 R)
• M2: 725,699 km (0.092 R)
• M3: 1,170,903 km (0.097 R)
• M4: 1,906,774 km (0.076 R)
• M5: 2,710,713 km (0.055 R)
• M6: 3,144,846 km (0.096 R)
• M7: 4,560,341 km (0.066 R)
• M8: 5,198,526 km (0.104 R)
• M9: 7,093,183 km (0.104 R)
• M10: 8,500,001 km (0.098 R)
• M11: 9,847,579 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.9

Radius: 9.5

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.43 AU - 1.79 AU

Year: 1410 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,080,977 km

• M1: 118,332 km (0.109 R)
• M2: 470,635 km (0.025 R)
• M3: 938,727 km (0.108 R)
• M4: 1,357,301 km (0.113 R)
• M5: 1,763,310 km (0.086 R)
• M6: 2,131,770 km (0.109 R)
• M7: 2,851,784 km (0.062 R)
• M8: 4,005,932 km (0.073 R)
• M9: 4,891,102 km (0.045 R)
• M10: 5,693,545 km (0.058 R)
• M11: 6,381,696 km (0.118 R)
• M12: 7,530,607 km (0.11 R)
• M13: 8,330,357 km (0.102 R)
• M14: 8,659,473 km (0.114 R)
• M15: 10,030,986 km (0.087 R)
• M16: 10,507,306 km (0.041 R)
• M17: 11,105,847 km (0.08 R)
• M18: 12,332,400 km (0.061 R)
• M19: 12,839,686 km (0.093 R)
• M20: 13,158,778 km (0.073 R)
• M21: 13,523,947 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 10.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.67 AU - 2.19 AU

Year: 1851 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,080,977 km

• M1: 134,488 km (0.101 R)
• M2: 537,056 km (0.115 R)
• M3: 926,759 km (0.09 R)
• M4: 1,427,463 km (0.088 R)
• M5: 1,808,788 km (0.115 R)
• M6: 2,901,899 km (0.102 R)
• M7: 3,759,544 km (0.086 R)
• M8: 4,408,051 km (0.082 R)
• M9: 5,109,515 km (0.098 R)
• M10: 5,476,778 km (0.082 R)
• M11: 6,287,898 km (0.096 R)
• M12: 6,662,640 km (0.079 R)
• M13: 8,258,251 km (0.103 R)
• M14: 8,622,821 km (0.108 R)
• M15: 9,294,217 km (0.1 R)
• M16: 10,158,144 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 12.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.98 AU - 2 AU

Year: 1938 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,080,977 km

• M1: 154,235 km (0.119 R)
• M2: 540,497 km (0.092 R)
• M3: 1,058,854 km (0.114 R)
• M4: 1,583,493 km (0.051 R)
• M5: 2,033,933 km (0.118 R)
• M6: 2,818,723 km (0.11 R)
• M7: 4,156,876 km (0.091 R)
• M8: 4,888,110 km (0.108 R)
• M9: 5,422,025 km (0.087 R)
• M10: 5,814,121 km (0.102 R)
• M11: 6,295,826 km (0.058 R)
• M12: 6,928,925 km (0.052 R)
• M13: 9,454,436 km (0.113 R)
• M14: 9,960,376 km (0.101 R)
• M15: 10,753,394 km (0.05 R)
• M16: 11,165,387 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 13

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.89 AU - 4.01 AU

Year: 4423 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,080,977 km

• M1: 161,715 km (0.078 R)
• M2: 1,522,458 km (0.088 R)
• M3: 2,128,030 km (0.066 R)
• M4: 2,676,456 km (0.1 R)
• M5: 3,706,886 km (0.065 R)
• M6: 4,147,751 km (0.08 R)
• M7: 4,600,434 km (0.087 R)
• M8: 5,035,913 km (0.093 R)
• M9: 6,452,007 km (0.113 R)
• M10: 7,316,981 km (0.066 R)
• M11: 9,430,351 km (0.1 R)
• M12: 10,137,051 km (0.1 R)
• M13: 11,133,822 km (0.067 R)
• M14: 13,468,147 km (0.102 R)
• M15: 14,061,601 km (0.064 R)
• M16: 15,195,105 km (0.089 R)
• M17: 19,270,151 km (0.051 R)
• M18: 20,732,918 km (0.078 R)
• M19: 22,131,958 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.1

Radius: 6.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.61 AU - 7.19 AU

Year: 9892 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,080,977 km

• M1: 83,326 km (0.084 R)
• M2: 322,234 km (0.094 R)
• M3: 557,402 km (0.089 R)
• M4: 1,011,730 km (0.069 R)
• M5: 1,372,560 km (0.076 R)
• M6: 1,649,765 km (0.08 R)
• M7: 2,284,060 km (0.114 R)
• M8: 2,732,555 km (0.057 R)
• M9: 3,174,317 km (0.11 R)
• M10: 3,434,767 km (0.104 R)
• M11: 6,095,664 km (0.067 R)
• M12: 6,533,837 km (0.096 R)
• M13: 7,360,215 km (0.092 R)
• M14: 8,416,825 km (0.107 R)
• M15: 8,664,709 km (0.083 R)
• M16: 12,507,579 km (0.078 R)
• M17: 13,663,073 km (0.098 R)
• M18: 14,179,485 km (0.047 R)
• M19: 14,649,222 km (0.117 R)
• M20: 15,496,395 km (0.11 R)
• M21: 16,439,759 km (0.096 R)
• M22: 19,071,036 km (0.086 R)
• M23: 20,822,677 km (0.095 R)
• M24: 24,058,629 km (0.078 R)
• M25: 25,839,143 km (0.115 R)
• M26: 26,628,421 km (0.037 R)
• M27: 26,895,004 km (0.051 R)
• M28: 27,253,291 km (0.102 R)
• M29: 28,254,999 km (0.119 R)
• M30: 32,812,498 km (0.074 R)
• M31: 33,737,761 km (0.086 R)
• M32: 34,259,259 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.2

Radius: 6.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.17 AU - 11.65 AU

Year: 19925 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,080,977 km

• M1: 80,783 km (0.101 R)
• M2: 427,551 km (0.071 R)
• M3: 784,940 km (0.053 R)
• M4: 1,078,152 km (0.099 R)
• M5: 1,378,993 km (0.061 R)
• M6: 1,983,518 km (0.097 R)
• M7: 2,772,049 km (0.054 R)
• M8: 3,778,094 km (0.117 R)
• M9: 4,591,009 km (0.076 R)
• M10: 6,520,822 km (0.056 R)
• M11: 8,799,646 km (0.114 R)
• M12: 10,466,166 km (0.075 R)
• M13: 12,673,333 km (0.046 R)
• M14: 14,223,317 km (0.113 R)
• M15: 16,164,050 km (0.12 R)
• M16: 16,503,787 km (0.098 R)
• M17: 16,848,311 km (0.104 R)
• M18: 21,857,146 km (0.096 R)
• M19: 22,863,342 km (0.117 R)
• M20: 27,293,683 km (0.098 R)
• M21: 30,683,271 km (0.12 R)
• M22: 38,766,493 km (0.097 R)
• M23: 39,498,027 km (0.067 R)
• M24: 39,743,816 km (0.1 R)
• M25: 41,240,393 km (0.071 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: 356 - 18,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit