🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 10.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.28 AU - 1.66 AU

Year: 1151 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,788,458 km

• M1: 136,284 km (0.073 R)
• M2: 524,789 km (0.094 R)
• M3: 986,000 km (0.053 R)
• M4: 1,536,370 km (0.109 R)
• M5: 2,364,544 km (0.085 R)
• M6: 2,734,200 km (0.072 R)
• M7: 3,407,092 km (0.094 R)
• M8: 3,998,302 km (0.098 R)
• M9: 5,202,116 km (0.094 R)
• M10: 5,553,671 km (0.033 R)
• M11: 7,047,406 km (0.031 R)
• M12: 7,582,817 km (0.073 R)
• M13: 8,090,552 km (0.072 R)
• M14: 8,938,323 km (0.117 R)
• M15: 9,658,188 km (0.111 R)
• M16: 10,095,762 km (0.088 R)
• M17: 10,710,759 km (0.041 R)
• M18: 11,145,789 km (0.063 R)
• M19: 11,557,931 km (0.069 R)
• M20: 11,980,097 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 14.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.76 AU - 2.82 AU

Year: 3009 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,788,458 km

• M1: 185,801 km (0.081 R)
• M2: 827,725 km (0.081 R)
• M3: 1,300,903 km (0.084 R)
• M4: 1,816,417 km (0.065 R)
• M5: 3,242,833 km (0.091 R)
• M6: 3,878,325 km (0.109 R)
• M7: 4,665,658 km (0.118 R)
• M8: 6,502,122 km (0.076 R)
• M9: 7,551,252 km (0.057 R)
• M10: 9,636,347 km (0.048 R)
• M11: 10,222,770 km (0.115 R)
• M12: 12,216,461 km (0.113 R)
• M13: 13,666,214 km (0.041 R)
• M14: 14,458,036 km (0.077 R)
• M15: 15,332,735 km (0.061 R)
• M16: 16,794,156 km (0.111 R)
• M17: 17,587,623 km (0.115 R)
• M18: 18,584,543 km (0.095 R)
• M19: 20,435,518 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 14.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.21 AU - 4.75 AU

Year: 6123 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,788,458 km

• M1: 179,966 km (0.035 R)
• M2: 756,516 km (0.036 R)
• M3: 1,262,157 km (0.031 R)
• M4: 2,024,059 km (0.106 R)
• M5: 5,000,758 km (0.046 R)
• M6: 5,593,016 km (0.106 R)
• M7: 6,419,245 km (0.109 R)
• M8: 14,276,574 km (0.118 R)
• M9: 16,996,562 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 11.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.75 AU - 4.99 AU

Year: 6939 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,788,458 km

• M1: 147,952 km (0.044 R)
• M2: 534,513 km (0.07 R)
• M3: 1,079,797 km (0.083 R)
• M4: 2,137,305 km (0.116 R)
• M5: 2,823,959 km (0.104 R)
• M6: 4,881,827 km (0.059 R)
• M7: 6,879,408 km (0.06 R)
• M8: 10,215,590 km (0.071 R)
• M9: 12,053,699 km (0.063 R)
• M10: 12,730,480 km (0.106 R)
• M11: 14,620,350 km (0.107 R)
• M12: 15,031,594 km (0.077 R)
• M13: 16,312,002 km (0.083 R)
• M14: 16,946,596 km (0.071 R)
• M15: 17,663,619 km (0.08 R)
• M16: 18,811,483 km (0.093 R)
• M17: 19,651,176 km (0.075 R)
• M18: 21,707,698 km (0.119 R)
• M19: 23,661,895 km (0.111 R)
• M20: 30,701,522 km (0.049 R)
• M21: 31,571,583 km (0.114 R)
• M22: 32,857,377 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.2

Radius: 4.6

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.36 AU - 7.56 AU

Year: 13156 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,788,458 km

• M1: 57,146 km (0.055 R)
• M2: 201,209 km (0.11 R)
• M3: 352,153 km (0.102 R)
• M4: 721,660 km (0.057 R)
• M5: 1,099,844 km (0.104 R)
• M6: 1,351,766 km (0.033 R)
• M7: 1,572,124 km (0.079 R)
• M8: 2,308,445 km (0.094 R)
• M9: 2,566,501 km (0.116 R)
• M10: 3,947,289 km (0.104 R)
• M11: 4,155,679 km (0.056 R)
• M12: 5,563,694 km (0.106 R)
• M13: 6,445,873 km (0.116 R)
• M14: 7,033,045 km (0.076 R)
• M15: 8,742,799 km (0.107 R)
• M16: 10,073,472 km (0.11 R)
• M17: 10,711,507 km (0.085 R)
• M18: 11,533,397 km (0.109 R)
• M19: 12,286,324 km (0.08 R)
• M20: 13,593,360 km (0.086 R)
• M21: 13,949,104 km (0.118 R)
• M22: 14,927,923 km (0.104 R)
• M23: 15,370,284 km (0.046 R)
• M24: 15,691,470 km (0.116 R)
• M25: 19,526,412 km (0.088 R)
• M26: 19,979,095 km (0.071 R)
• M27: 22,103,385 km (0.099 R)
• M28: 24,200,448 km (0.111 R)
• M29: 24,635,179 km (0.054 R)
• M30: 27,259,874 km (0.057 R)
• M31: 27,730,508 km (0.103 R)
• M32: 31,177,842 km (0.052 R)
• M33: 35,790,543 km (0.118 R)
• M34: 36,354,676 km (0.057 R)
• M35: 37,965,995 km (0.112 R)
• M36: 40,106,740 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.8

Radius: 6

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.49 AU - 8.85 AU

Year: 16483 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,788,458 km

• M1: 74,799 km (0.097 R)
• M2: 672,592 km (0.101 R)
• M3: 1,136,495 km (0.101 R)
• M4: 2,974,305 km (0.038 R)
• M5: 4,110,800 km (0.118 R)
• M6: 5,840,151 km (0.089 R)
• M7: 6,182,132 km (0.115 R)
• M8: 6,699,591 km (0.064 R)
• M9: 13,896,146 km (0.07 R)
• M10: 17,982,562 km (0.094 R)
• M11: 19,365,744 km (0.069 R)
• M12: 20,818,488 km (0.113 R)
• M13: 21,082,080 km (0.114 R)
• M14: 22,342,292 km (0.089 R)
• M15: 26,835,614 km (0.098 R)
• M16: 29,957,722 km (0.077 R)
• M17: 33,313,800 km (0.05 R)
• M18: 38,605,975 km (0.072 R)
• M19: 39,404,977 km (0.076 R)
• M20: 41,312,200 km (0.097 R)
• M21: 49,870,245 km (0.111 R)
• M22: 53,897,121 km (0.031 R)
• M23: 56,074,368 km (0.119 R)
• M24: 57,788,461 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 19,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit