🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 9.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,923,908 km

• M1: 118,182 km (0.105 R)
• M2: 420,968 km (0.073 R)
• M3: 772,075 km (0.078 R)
• M4: 1,098,946 km (0.109 R)
• M5: 1,472,043 km (0.081 R)
• M6: 1,900,940 km (0.102 R)
• M7: 2,208,364 km (0.109 R)
• M8: 2,691,565 km (0.088 R)
• M9: 3,022,326 km (0.107 R)
• M10: 3,641,960 km (0.091 R)
• M11: 4,048,118 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 12.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,923,908 km

• M1: 150,495 km (0.102 R)
• M2: 543,190 km (0.075 R)
• M3: 941,719 km (0.03 R)
• M4: 1,390,662 km (0.085 R)
• M5: 1,768,696 km (0.113 R)
• M6: 2,408,077 km (0.045 R)
• M7: 3,042,671 km (0.099 R)
• M8: 3,455,412 km (0.119 R)
• M9: 4,076,392 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 9.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.65 AU - 0.81 AU

Year: 416 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,923,908 km

• M1: 118,033 km (0.109 R)
• M2: 605,871 km (0.073 R)
• M3: 905,516 km (0.067 R)
• M4: 1,664,426 km (0.074 R)
• M5: 2,060,711 km (0.107 R)
• M6: 2,758,136 km (0.088 R)
• M7: 3,399,312 km (0.091 R)
• M8: 3,692,375 km (0.039 R)
• M9: 4,177,521 km (0.076 R)
• M10: 4,572,459 km (0.066 R)
• M11: 5,038,755 km (0.117 R)
• M12: 5,536,468 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 9.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.75 AU - 0.75 AU

Year: 433 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,923,908 km

• M1: 123,119 km (0.118 R)
• M2: 447,746 km (0.084 R)
• M3: 974,181 km (0.103 R)
• M4: 1,305,391 km (0.103 R)
• M5: 1,685,968 km (0.096 R)
• M6: 1,998,478 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.95 AU - 1.41 AU

Year: 855 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,923,908 km

• M1: 134,339 km (0.078 R)
• M2: 485,146 km (0.088 R)
• M3: 948,301 km (0.117 R)
• M4: 1,711,699 km (0.111 R)
• M5: 2,432,611 km (0.102 R)
• M6: 2,775,788 km (0.105 R)
• M7: 3,616,529 km (0.105 R)
• M8: 4,036,300 km (0.069 R)
• M9: 4,718,766 km (0.109 R)
• M10: 5,816,964 km (0.09 R)
• M11: 7,122,205 km (0.072 R)
• M12: 8,143,360 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 12.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.23 AU - 2.01 AU

Year: 1375 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,923,908 km

• M1: 150,495 km (0.093 R)
• M2: 688,001 km (0.12 R)
• M3: 1,222,514 km (0.092 R)
• M4: 1,685,070 km (0.026 R)
• M5: 2,608,987 km (0.049 R)
• M6: 3,089,346 km (0.11 R)
• M7: 3,677,564 km (0.106 R)
• M8: 5,058,802 km (0.11 R)
• M9: 5,545,144 km (0.073 R)
• M10: 5,947,413 km (0.079 R)
• M11: 6,911,721 km (0.063 R)
• M12: 7,431,573 km (0.091 R)
• M13: 8,005,431 km (0.049 R)
• M14: 8,462,303 km (0.078 R)
• M15: 11,760,936 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 14.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.55 AU - 3.79 AU

Year: 3764 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,923,908 km

• M1: 238,160 km (0.087 R)
• M2: 872,455 km (0.106 R)
• M3: 1,460,524 km (0.078 R)
• M4: 2,408,675 km (0.074 R)
• M5: 3,071,543 km (0.078 R)
• M6: 3,737,254 km (0.026 R)
• M7: 4,517,108 km (0.117 R)
• M8: 5,708,505 km (0.105 R)
• M9: 7,959,953 km (0.104 R)
• M10: 11,203,833 km (0.058 R)
• M11: 11,740,441 km (0.106 R)
• M12: 12,788,374 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.21 AU - 3.27 AU

Year: 3889 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,923,908 km

• M1: 167,998 km (0.069 R)
• M2: 865,573 km (0.084 R)
• M3: 1,422,227 km (0.112 R)
• M4: 2,131,919 km (0.08 R)
• M5: 3,308,806 km (0.067 R)
• M6: 3,786,173 km (0.076 R)
• M7: 4,685,106 km (0.092 R)
• M8: 5,777,619 km (0.071 R)
• M9: 6,206,816 km (0.11 R)
• M10: 6,874,920 km (0.112 R)
• M11: 7,932,128 km (0.089 R)
• M12: 8,355,490 km (0.087 R)
• M13: 8,868,611 km (0.089 R)
• M14: 9,559,304 km (0.108 R)
• M15: 9,998,822 km (0.032 R)
• M16: 10,493,692 km (0.086 R)
• M17: 11,222,832 km (0.096 R)
• M18: 13,218,468 km (0.116 R)
• M19: 15,278,281 km (0.109 R)
• M20: 17,366,817 km (0.094 R)
• M21: 19,258,033 km (0.063 R)
• M22: 20,025,919 km (0.106 R)
• M23: 21,081,182 km (0.119 R)
• M24: 22,103,983 km (0.107 R)
• M25: 24,322,220 km (0.055 R)
• M26: 25,143,961 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.8

Radius: 5.9

Gravity: 26.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.7 AU - 8.62 AU

Year: 14138 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,923,908 km

• M1: 73,602 km (0.087 R)
• M2: 299,046 km (0.104 R)
• M3: 524,640 km (0.078 R)
• M4: 728,542 km (0.077 R)
• M5: 1,653,655 km (0.053 R)
• M6: 2,747,514 km (0.112 R)
• M7: 4,008,475 km (0.096 R)
• M8: 4,448,741 km (0.066 R)
• M9: 4,748,536 km (0.104 R)
• M10: 7,058,327 km (0.079 R)
• M11: 7,328,800 km (0.113 R)
• M12: 8,429,690 km (0.069 R)
• M13: 8,993,375 km (0.074 R)
• M14: 9,473,136 km (0.115 R)
• M15: 12,518,948 km (0.119 R)
• M16: 12,782,240 km (0.12 R)
• M17: 13,872,959 km (0.09 R)
• M18: 14,513,088 km (0.099 R)
• M19: 19,644,145 km (0.1 R)
• M20: 22,418,587 km (0.059 R)
• M21: 30,592,914 km (0.076 R)
• M22: 34,946,661 km (0.099 R)
• M23: 35,338,009 km (0.061 R)
• M24: 41,127,895 km (0.118 R)
• M25: 45,011,755 km (0.116 R)
• M26: 47,999,674 km (0.099 R)
• M27: 50,949,893 km (0.069 R)
• M28: 62,225,234 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 11,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit