🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.5

Radius: 12.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 61 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,933,206 km

• M1: 155,432 km (0.117 R)
• M2: 555,756 km (0.091 R)
• M3: 1,803,552 km (0.098 R)
• M4: 2,196,097 km (0.105 R)
• M5: 3,007,366 km (0.114 R)
• M6: 3,997,255 km (0.081 R)
• M7: 4,608,063 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 10.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 550 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,933,206 km

• M1: 131,796 km (0.108 R)
• M2: 511,026 km (0.102 R)
• M3: 932,743 km (0.082 R)
• M4: 1,347,129 km (0.102 R)
• M5: 1,842,298 km (0.094 R)
• M6: 2,415,557 km (0.096 R)
• M7: 2,880,357 km (0.086 R)
• M8: 3,353,087 km (0.047 R)
• M9: 3,779,141 km (0.059 R)
• M10: 4,612,102 km (0.109 R)
• M11: 5,123,577 km (0.102 R)
• M12: 5,746,054 km (0.12 R)
• M13: 6,104,640 km (0.088 R)
• M14: 6,846,347 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 9.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.08 AU - 1.22 AU

Year: 836 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,933,206 km

• M1: 119,379 km (0.098 R)
• M2: 419,622 km (0.109 R)
• M3: 792,570 km (0.081 R)
• M4: 1,224,459 km (0.054 R)
• M5: 1,593,816 km (0.1 R)
• M6: 2,172,460 km (0.044 R)
• M7: 3,092,338 km (0.091 R)
• M8: 3,485,032 km (0.078 R)
• M9: 4,401,020 km (0.107 R)
• M10: 4,771,424 km (0.113 R)
• M11: 5,487,100 km (0.1 R)
• M12: 6,524,711 km (0.103 R)
• M13: 6,945,680 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 12.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.24 AU - 1.36 AU

Year: 1005 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 99.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,933,206 km

• M1: 159,172 km (0.068 R)
• M2: 745,745 km (0.094 R)
• M3: 1,262,307 km (0.114 R)
• M4: 1,999,824 km (0.113 R)
• M5: 2,671,968 km (0.096 R)
• M6: 3,387,793 km (0.095 R)
• M7: 4,332,953 km (0.118 R)
• M8: 5,050,275 km (0.095 R)
• M9: 5,625,478 km (0.081 R)
• M10: 6,147,425 km (0.108 R)
• M11: 6,845,449 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 13

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.13 AU - 1.63 AU

Year: 1100 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,933,206 km

• M1: 161,715 km (0.1 R)
• M2: 659,427 km (0.076 R)
• M3: 1,068,278 km (0.074 R)
• M4: 1,550,432 km (0.117 R)
• M5: 2,418,250 km (0.104 R)
• M6: 3,161,901 km (0.073 R)
• M7: 3,767,174 km (0.062 R)
• M8: 4,394,587 km (0.075 R)
• M9: 5,211,391 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 10.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.67 AU - 2.23 AU

Year: 1847 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,933,206 km

• M1: 132,245 km (0.077 R)
• M2: 466,297 km (0.113 R)
• M3: 940,671 km (0.103 R)
• M4: 1,454,690 km (0.051 R)
• M5: 1,866,533 km (0.051 R)
• M6: 2,475,845 km (0.04 R)
• M7: 3,083,511 km (0.089 R)
• M8: 4,231,825 km (0.112 R)
• M9: 5,368,918 km (0.073 R)
• M10: 5,775,525 km (0.098 R)
• M11: 6,578,417 km (0.083 R)
• M12: 6,994,448 km (0.065 R)
• M13: 7,611,689 km (0.044 R)
• M14: 8,377,331 km (0.113 R)
• M15: 9,133,548 km (0.075 R)
• M16: 9,652,204 km (0.059 R)
• M17: 10,254,934 km (0.098 R)
• M18: 11,396,216 km (0.114 R)
• M19: 11,925,793 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.3

Radius: 8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.27 AU - 3.77 AU

Year: 3560 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,933,206 km

• M1: 102,624 km (0.047 R)
• M2: 421,118 km (0.085 R)
• M3: 870,809 km (0.107 R)
• M4: 1,189,303 km (0.098 R)
• M5: 1,735,784 km (0.065 R)
• M6: 2,857,170 km (0.084 R)
• M7: 3,374,030 km (0.097 R)
• M8: 3,873,687 km (0.039 R)
• M9: 4,443,057 km (0.097 R)
• M10: 4,905,763 km (0.086 R)
• M11: 5,473,337 km (0.103 R)
• M12: 6,110,475 km (0.104 R)
• M13: 8,920,072 km (0.118 R)
• M14: 9,620,789 km (0.115 R)
• M15: 13,278,756 km (0.092 R)
• M16: 16,448,884 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 11.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.83 AU - 6.19 AU

Year: 7606 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,933,206 km

• M1: 143,016 km (0.043 R)
• M2: 880,982 km (0.047 R)
• M3: 1,367,624 km (0.092 R)
• M4: 1,731,595 km (0.116 R)
• M5: 2,112,023 km (0.074 R)
• M6: 2,701,139 km (0.055 R)
• M7: 4,452,481 km (0.08 R)
• M8: 5,056,258 km (0.07 R)
• M9: 7,911,184 km (0.096 R)
• M10: 8,452,878 km (0.104 R)
• M11: 8,842,431 km (0.105 R)
• M12: 10,325,544 km (0.094 R)
• M13: 12,239,799 km (0.115 R)
• M14: 14,873,918 km (0.034 R)
• M15: 16,026,270 km (0.089 R)
• M16: 17,099,785 km (0.111 R)
• M17: 20,685,795 km (0.091 R)
• M18: 21,795,961 km (0.084 R)
• M19: 23,029,096 km (0.071 R)
• M20: 25,009,323 km (0.107 R)
• M21: 30,200,968 km (0.12 R)
• M22: 34,508,788 km (0.11 R)
• M23: 40,662,646 km (0.052 R)
• M24: 41,650,890 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944

Radius: 4.2

Gravity: 53.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.55 AU - 9.03 AU

Year: 13350 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,933,206 km

• M1: 52,210 km (0.08 R)
• M2: 353,201 km (0.108 R)
• M3: 642,224 km (0.069 R)
• M4: 838,496 km (0.043 R)
• M5: 1,025,942 km (0.087 R)
• M6: 1,201,121 km (0.101 R)
• M7: 1,595,910 km (0.088 R)
• M8: 1,903,783 km (0.047 R)
• M9: 2,110,676 km (0.099 R)
• M10: 2,992,406 km (0.072 R)
• M11: 3,352,039 km (0.056 R)
• M12: 3,885,356 km (0.042 R)
• M13: 4,187,843 km (0.078 R)
• M14: 4,344,921 km (0.068 R)
• M15: 6,591,432 km (0.071 R)
• M16: 9,947,510 km (0.064 R)
• M17: 10,455,246 km (0.117 R)
• M18: 11,279,380 km (0.077 R)
• M19: 11,645,446 km (0.097 R)
• M20: 15,156,807 km (0.092 R)
• M21: 16,442,152 km (0.07 R)
• M22: 18,045,243 km (0.095 R)
• M23: 18,294,324 km (0.09 R)
• M24: 19,400,600 km (0.043 R)
• M25: 19,837,575 km (0.093 R)
• M26: 20,281,283 km (0.104 R)
• M27: 25,920,524 km (0.099 R)
• M28: 31,311,134 km (0.104 R)
• M29: 34,521,055 km (0.093 R)
• M30: 34,776,718 km (0.034 R)
• M31: 35,033,727 km (0.072 R)
• M32: 38,764,399 km (0.12 R)
• M33: 42,311,663 km (0.086 R)
• M34: 42,751,331 km (0.11 R)
• M35: 49,717,356 km (0.118 R)
• M36: 53,553,195 km (0.088 R)
• M37: 57,223,579 km (0.09 R)
• M38: 62,942,855 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.4

Radius: 4.4

Gravity: 47.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.11 AU - 8.43 AU

Year: 16131 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,933,206 km

• M1: 254,765 km (0.077 R)
• M2: 759,060 km (0.101 R)
• M3: 1,277,416 km (0.104 R)
• M4: 3,073,488 km (0.068 R)
• M5: 3,716,310 km (0.111 R)
• M6: 4,478,362 km (0.105 R)
• M7: 6,136,654 km (0.115 R)
• M8: 6,607,588 km (0.072 R)
• M9: 8,628,805 km (0.077 R)
• M10: 8,947,598 km (0.079 R)
• M11: 10,600,505 km (0.074 R)
• M12: 11,340,267 km (0.033 R)
• M13: 12,379,373 km (0.029 R)
• M14: 13,480,414 km (0.12 R)
• M15: 15,406,187 km (0.045 R)
• M16: 17,339,740 km (0.094 R)
• M17: 18,803,405 km (0.111 R)
• M18: 21,390,252 km (0.048 R)
• M19: 25,482,950 km (0.107 R)
• M20: 26,470,745 km (0.107 R)
• M21: 27,369,978 km (0.086 R)
• M22: 43,559,310 km (0.086 R)
• M23: 45,926,098 km (0.107 R)
• M24: 53,360,364 km (0.069 R)
• M25: 55,701,271 km (0.058 R)
• M26: 59,434,636 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 13,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit