🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 14.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.5 AU - 0.82 AU

Year: 364 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,068,938 km

• M1: 182,809 km (0.1 R)
• M2: 685,906 km (0.09 R)
• M3: 1,158,935 km (0.075 R)
• M4: 1,686,566 km (0.106 R)
• M5: 2,331,632 km (0.072 R)
• M6: 3,239,542 km (0.117 R)
• M7: 3,994,562 km (0.045 R)
• M8: 4,485,243 km (0.079 R)
• M9: 5,474,684 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 11.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.64 AU - 0.8 AU

Year: 414 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,068,938 km

• M1: 141,819 km (0.096 R)
• M2: 512,074 km (0.11 R)
• M3: 1,033,123 km (0.069 R)
• M4: 1,705,565 km (0.087 R)
• M5: 2,284,808 km (0.052 R)
• M6: 3,047,757 km (0.074 R)
• M7: 3,582,420 km (0.08 R)
• M8: 3,973,170 km (0.089 R)
• M9: 5,336,605 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 11.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.22 AU

Year: 719 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,068,938 km

• M1: 143,016 km (0.119 R)
• M2: 517,609 km (0.067 R)
• M3: 896,091 km (0.076 R)
• M4: 1,319,154 km (0.119 R)
• M5: 2,118,755 km (0.107 R)
• M6: 2,488,860 km (0.08 R)
• M7: 3,203,938 km (0.07 R)
• M8: 3,624,457 km (0.11 R)
• M9: 4,269,224 km (0.03 R)
• M10: 5,406,168 km (0.109 R)
• M11: 5,787,792 km (0.095 R)
• M12: 6,187,518 km (0.047 R)
• M13: 7,734,509 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 12.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.43 AU - 2.09 AU

Year: 1584 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,068,938 km

• M1: 153,039 km (0.109 R)
• M2: 557,551 km (0.116 R)
• M3: 981,212 km (0.076 R)
• M4: 1,594,414 km (0.045 R)
• M5: 2,183,680 km (0.108 R)
• M6: 2,658,653 km (0.112 R)
• M7: 3,584,963 km (0.095 R)
• M8: 4,337,889 km (0.106 R)
• M9: 4,846,073 km (0.076 R)
• M10: 5,273,026 km (0.064 R)
• M11: 5,662,130 km (0.083 R)
• M12: 6,180,935 km (0.107 R)
• M13: 6,897,958 km (0.104 R)
• M14: 9,356,150 km (0.064 R)
• M15: 9,806,140 km (0.118 R)
• M16: 10,685,178 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 10.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.81 AU - 4.59 AU

Year: 5838 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,068,938 km

• M1: 136,433 km (0.095 R)
• M2: 1,778,569 km (0.106 R)
• M3: 2,713,855 km (0.036 R)
• M4: 3,074,535 km (0.115 R)
• M5: 4,255,611 km (0.115 R)
• M6: 5,573,717 km (0.12 R)
• M7: 6,521,869 km (0.083 R)
• M8: 7,258,638 km (0.083 R)
• M9: 9,427,807 km (0.115 R)
• M10: 13,229,688 km (0.111 R)
• M11: 15,610,089 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 3.1

Gravity: 34.81 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.48 AU - 7.4 AU

Year: 12400 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,068,938 km

• M1: 38,596 km (0.111 R)
• M2: 145,708 km (0.115 R)
• M3: 275,858 km (0.079 R)
• M4: 413,489 km (0.108 R)
• M5: 568,173 km (0.118 R)
• M6: 735,124 km (0.075 R)
• M7: 904,918 km (0.037 R)
• M8: 1,689,708 km (0.107 R)
• M9: 2,803,464 km (0.056 R)
• M10: 3,380,014 km (0.077 R)
• M11: 3,646,299 km (0.036 R)
• M12: 3,874,286 km (0.109 R)
• M13: 4,058,141 km (0.106 R)
• M14: 4,330,858 km (0.088 R)
• M15: 5,097,099 km (0.09 R)
• M16: 7,601,217 km (0.111 R)
• M17: 9,161,374 km (0.112 R)
• M18: 9,346,875 km (0.061 R)
• M19: 9,487,796 km (0.117 R)
• M20: 9,725,507 km (0.104 R)
• M21: 12,214,517 km (0.059 R)
• M22: 15,421,147 km (0.084 R)
• M23: 15,552,045 km (0.084 R)
• M24: 16,083,117 km (0.113 R)
• M25: 16,833,052 km (0.045 R)
• M26: 19,146,433 km (0.068 R)
• M27: 21,175,279 km (0.119 R)
• M28: 21,499,608 km (0.081 R)
• M29: 24,480,345 km (0.11 R)
• M30: 25,654,090 km (0.101 R)
• M31: 28,015,642 km (0.104 R)
• M32: 30,006,191 km (0.082 R)
• M33: 30,210,392 km (0.054 R)
• M34: 32,409,481 km (0.115 R)
• M35: 35,504,511 km (0.096 R)
• M36: 37,594,842 km (0.101 R)
• M37: 41,764,135 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.3

Radius: 4.1

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.94 AU - 7.6 AU

Year: 13295 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,068,938 km

• M1: 90,956 km (0.106 R)
• M2: 245,939 km (0.098 R)
• M3: 431,889 km (0.12 R)
• M4: 1,479,822 km (0.106 R)
• M5: 1,626,129 km (0.056 R)
• M6: 2,197,144 km (0.034 R)
• M7: 2,847,296 km (0.112 R)
• M8: 3,313,742 km (0.103 R)
• M9: 4,278,948 km (0.028 R)
• M10: 6,243,168 km (0.101 R)
• M11: 7,960,701 km (0.075 R)
• M12: 8,139,171 km (0.057 R)
• M13: 8,274,707 km (0.107 R)
• M14: 8,879,531 km (0.079 R)
• M15: 10,762,071 km (0.096 R)
• M16: 10,980,185 km (0.106 R)
• M17: 11,257,090 km (0.044 R)
• M18: 12,712,079 km (0.1 R)
• M19: 14,222,270 km (0.112 R)
• M20: 14,551,385 km (0.081 R)
• M21: 19,544,214 km (0.115 R)
• M22: 23,318,568 km (0.097 R)
• M23: 26,055,162 km (0.09 R)
• M24: 26,251,434 km (0.108 R)
• M25: 27,652,867 km (0.074 R)
• M26: 29,420,815 km (0.094 R)
• M27: 30,386,619 km (0.055 R)
• M28: 31,484,368 km (0.03 R)
• M29: 34,461,515 km (0.058 R)
• M30: 34,935,591 km (0.066 R)
• M31: 37,997,560 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.8

Radius: 6.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.27 AU - 8.13 AU

Year: 14492 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,068,938 km

• M1: 78,389 km (0.119 R)
• M2: 563,086 km (0.071 R)
• M3: 3,043,868 km (0.073 R)
• M4: 3,521,833 km (0.088 R)
• M5: 5,022,300 km (0.113 R)
• M6: 7,459,399 km (0.062 R)
• M7: 9,169,751 km (0.077 R)
• M8: 9,657,590 km (0.079 R)
• M9: 17,131,799 km (0.114 R)
• M10: 19,703,536 km (0.096 R)
• M11: 22,204,812 km (0.084 R)
• M12: 24,068,203 km (0.113 R)
• M13: 25,684,159 km (0.116 R)
• M14: 29,415,130 km (0.076 R)
• M15: 30,964,066 km (0.091 R)
• M16: 33,595,792 km (0.033 R)
• M17: 35,936,101 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.6

Radius: 6

Gravity: 23.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.65 AU - 9.71 AU

Year: 18865 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,068,938 km

• M1: 74,649 km (0.066 R)
• M2: 635,342 km (0.12 R)
• M3: 927,956 km (0.093 R)
• M4: 1,445,415 km (0.062 R)
• M5: 1,805,198 km (0.083 R)
• M6: 2,222,875 km (0.083 R)
• M7: 2,801,819 km (0.111 R)
• M8: 3,006,917 km (0.075 R)
• M9: 5,028,882 km (0.055 R)
• M10: 5,489,494 km (0.105 R)
• M11: 6,538,923 km (0.096 R)
• M12: 8,328,263 km (0.1 R)
• M13: 8,539,495 km (0.078 R)
• M14: 9,027,633 km (0.07 R)
• M15: 10,299,365 km (0.091 R)
• M16: 10,542,910 km (0.099 R)
• M17: 13,552,669 km (0.099 R)
• M18: 14,367,080 km (0.071 R)
• M19: 18,573,024 km (0.069 R)
• M20: 20,712,573 km (0.091 R)
• M21: 24,490,518 km (0.049 R)
• M22: 31,808,098 km (0.092 R)
• M23: 37,947,744 km (0.052 R)
• M24: 38,968,600 km (0.111 R)
• M25: 39,411,709 km (0.088 R)
• M26: 44,349,186 km (0.111 R)
• M27: 44,670,822 km (0.083 R)
• M28: 47,132,604 km (0.071 R)
• M29: 59,432,092 km (0.097 R)
• M30: 59,627,318 km (0.065 R)
• M31: 62,405,949 km (0.096 R)
• M32: 67,156,429 km (0.114 R)
• M33: 68,220,070 km (0.063 R)
• M34: 76,212,037 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit