🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 12.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 250 Days

Day: 12.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,003,666 km

• M1: 159,471 km (0.097 R)
• M2: 654,939 km (0.102 R)
• M3: 1,223,262 km (0.117 R)
• M4: 1,924,876 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 12

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.7 AU - 0.86 AU

Year: 459 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,003,666 km

• M1: 149,299 km (0.111 R)
• M2: 557,701 km (0.063 R)
• M3: 976,724 km (0.109 R)
• M4: 1,587,233 km (0.12 R)
• M5: 1,965,716 km (0.1 R)
• M6: 2,360,355 km (0.055 R)
• M7: 2,848,942 km (0.099 R)
• M8: 3,222,937 km (0.11 R)
• M9: 3,890,592 km (0.045 R)
• M10: 4,548,673 km (0.081 R)
• M11: 5,093,807 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 9.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.78 AU - 1.9 AU

Year: 1664 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,003,666 km

• M1: 121,025 km (0.077 R)
• M2: 441,463 km (0.033 R)
• M3: 774,468 km (0.066 R)
• M4: 1,121,236 km (0.1 R)
• M5: 1,443,171 km (0.058 R)
• M6: 2,012,989 km (0.094 R)
• M7: 2,410,770 km (0.114 R)
• M8: 2,957,400 km (0.1 R)
• M9: 3,412,178 km (0.104 R)
• M10: 3,795,896 km (0.103 R)
• M11: 4,444,104 km (0.093 R)
• M12: 4,843,829 km (0.049 R)
• M13: 5,184,913 km (0.073 R)
• M14: 6,519,475 km (0.088 R)
• M15: 7,822,772 km (0.113 R)
• M16: 8,209,333 km (0.098 R)
• M17: 8,695,526 km (0.044 R)
• M18: 9,170,798 km (0.12 R)
• M19: 9,663,125 km (0.077 R)
• M20: 10,368,928 km (0.105 R)
• M21: 10,903,590 km (0.102 R)
• M22: 11,246,918 km (0.052 R)
• M23: 11,955,413 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.6

Radius: 8.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.5 AU - 2.5 AU

Year: 1886 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,003,666 km

• M1: 108,458 km (0.106 R)
• M2: 437,723 km (0.1 R)
• M3: 963,410 km (0.117 R)
• M4: 1,289,833 km (0.119 R)
• M5: 2,235,291 km (0.119 R)
• M6: 2,509,055 km (0.068 R)
• M7: 3,165,042 km (0.051 R)
• M8: 3,555,493 km (0.076 R)
• M9: 5,765,352 km (0.083 R)
• M10: 6,157,448 km (0.085 R)
• M11: 6,523,365 km (0.08 R)
• M12: 7,684,394 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 9.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.56 AU - 2.74 AU

Year: 2877 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,003,666 km

• M1: 113,246 km (0.094 R)
• M2: 424,708 km (0.101 R)
• M3: 733,179 km (0.111 R)
• M4: 1,983,219 km (0.104 R)
• M5: 2,333,727 km (0.093 R)
• M6: 5,993,639 km (0.104 R)
• M7: 6,563,158 km (0.088 R)
• M8: 9,673,597 km (0.088 R)
• M9: 10,191,505 km (0.055 R)
• M10: 11,898,865 km (0.089 R)
• M11: 15,618,616 km (0.111 R)
• M12: 17,119,831 km (0.077 R)
• M13: 17,496,069 km (0.06 R)
• M14: 18,601,747 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 9.3

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.05 AU - 3.89 AU

Year: 4310 Days

Day: 10.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,003,666 km

• M1: 115,639 km (0.061 R)
• M2: 595,100 km (0.089 R)
• M3: 1,080,994 km (0.049 R)
• M4: 1,376,749 km (0.115 R)
• M5: 1,689,708 km (0.103 R)
• M6: 2,123,093 km (0.059 R)
• M7: 2,446,823 km (0.119 R)
• M8: 2,857,319 km (0.04 R)
• M9: 3,273,501 km (0.088 R)
• M10: 3,817,438 km (0.117 R)
• M11: 4,111,249 km (0.107 R)
• M12: 4,643,368 km (0.108 R)
• M13: 11,503,029 km (0.095 R)
• M14: 12,858,535 km (0.047 R)
• M15: 13,162,369 km (0.088 R)
• M16: 14,263,559 km (0.073 R)
• M17: 15,199,144 km (0.115 R)
• M18: 16,116,478 km (0.115 R)
• M19: 16,469,828 km (0.119 R)
• M20: 17,131,200 km (0.06 R)
• M21: 18,187,960 km (0.118 R)
• M22: 19,752,903 km (0.086 R)
• M23: 22,484,410 km (0.091 R)
• M24: 25,378,830 km (0.091 R)
• M25: 28,770,513 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 10.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.71 AU - 4.49 AU

Year: 4555 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 153.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,003,666 km

• M1: 130,749 km (0.032 R)
• M2: 878,887 km (0.114 R)
• M3: 1,267,543 km (0.053 R)
• M4: 2,204,923 km (0.09 R)
• M5: 2,604,798 km (0.114 R)
• M6: 2,959,495 km (0.066 R)
• M7: 3,855,586 km (0.067 R)
• M8: 4,589,214 km (0.065 R)
• M9: 5,191,645 km (0.12 R)
• M10: 6,147,276 km (0.091 R)
• M11: 6,880,006 km (0.09 R)
• M12: 7,250,560 km (0.025 R)
• M13: 10,893,567 km (0.111 R)
• M14: 12,552,757 km (0.107 R)
• M15: 13,731,140 km (0.073 R)
• M16: 15,895,223 km (0.104 R)
• M17: 16,306,467 km (0.091 R)
• M18: 16,967,091 km (0.096 R)
• M19: 17,645,368 km (0.05 R)
• M20: 20,196,760 km (0.066 R)
• M21: 22,835,666 km (0.095 R)
• M22: 23,815,083 km (0.076 R)
• M23: 27,338,412 km (0.085 R)
• M24: 27,929,174 km (0.072 R)
• M25: 28,356,426 km (0.068 R)
• M26: 28,961,849 km (0.084 R)
• M27: 29,399,572 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.3

Radius: 4.4

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.93 AU - 8.19 AU

Year: 11204 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 46,003,666 km

• M1: 54,753 km (0.1 R)
• M2: 225,893 km (0.092 R)
• M3: 533,466 km (0.054 R)
• M4: 670,498 km (0.033 R)
• M5: 1,209,200 km (0.118 R)
• M6: 1,358,049 km (0.059 R)
• M7: 2,351,679 km (0.057 R)
• M8: 2,791,347 km (0.087 R)
• M9: 2,986,123 km (0.119 R)
• M10: 3,331,096 km (0.097 R)
• M11: 3,884,608 km (0.092 R)
• M12: 4,072,952 km (0.091 R)
• M13: 4,734,922 km (0.117 R)
• M14: 5,044,141 km (0.079 R)
• M15: 5,499,367 km (0.084 R)
• M16: 6,124,387 km (0.085 R)
• M17: 6,269,497 km (0.111 R)
• M18: 6,911,870 km (0.111 R)
• M19: 7,309,651 km (0.09 R)
• M20: 8,238,355 km (0.082 R)
• M21: 10,326,891 km (0.095 R)
• M22: 10,741,277 km (0.059 R)
• M23: 14,208,656 km (0.096 R)
• M24: 15,647,040 km (0.111 R)
• M25: 16,055,591 km (0.084 R)
• M26: 18,809,539 km (0.045 R)
• M27: 21,029,421 km (0.08 R)
• M28: 23,952,265 km (0.075 R)
• M29: 24,677,216 km (0.028 R)
• M30: 25,886,416 km (0.105 R)
• M31: 33,082,672 km (0.099 R)
• M32: 33,981,306 km (0.067 R)
• M33: 34,208,545 km (0.116 R)
• M34: 36,655,517 km (0.109 R)
• M35: 39,216,633 km (0.119 R)
• M36: 40,860,564 km (0.054 R)
• M37: 43,078,652 km (0.089 R)
• M38: 43,344,786 km (0.092 R)
• M39: 43,746,008 km (0.067 R)
• M40: 44,828,199 km (0.1 R)
• M41: 46,344,972 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.8

Radius: 6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.08 AU - 10.32 AU

Year: 17112 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,003,666 km

• M1: 76,594 km (0.094 R)
• M2: 292,464 km (0.063 R)
• M3: 531,072 km (0.092 R)
• M4: 1,740,272 km (0.066 R)
• M5: 2,027,051 km (0.118 R)
• M6: 3,881,317 km (0.056 R)
• M7: 4,149,247 km (0.096 R)
• M8: 4,429,593 km (0.091 R)
• M9: 5,815,767 km (0.061 R)
• M10: 6,203,076 km (0.109 R)
• M11: 6,990,110 km (0.117 R)
• M12: 8,580,335 km (0.097 R)
• M13: 10,295,924 km (0.093 R)
• M14: 14,708,163 km (0.118 R)
• M15: 16,443,798 km (0.058 R)
• M16: 27,006,305 km (0.104 R)
• M17: 30,843,491 km (0.112 R)
• M18: 33,445,446 km (0.114 R)
• M19: 34,799,606 km (0.08 R)
• M20: 40,582,910 km (0.071 R)
• M21: 42,122,572 km (0.093 R)
• M22: 43,038,559 km (0.078 R)
• M23: 45,045,864 km (0.077 R)
• M24: 45,318,132 km (0.046 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 15,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit