🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 14.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.54 AU - 0.58 AU

Year: 284 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,873,125 km

• M1: 181,612 km (0.087 R)
• M2: 763,847 km (0.039 R)
• M3: 1,519,166 km (0.105 R)
• M4: 2,090,481 km (0.086 R)
• M5: 2,980,738 km (0.108 R)
• M6: 3,444,192 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.4

Radius: 8.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.65 AU - 1.83 AU

Year: 1557 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,873,125 km

• M1: 105,766 km (0.114 R)
• M2: 397,033 km (0.042 R)
• M3: 726,746 km (0.068 R)
• M4: 1,128,118 km (0.058 R)
• M5: 1,456,934 km (0.062 R)
• M6: 2,085,993 km (0.086 R)
• M7: 2,543,613 km (0.101 R)
• M8: 2,814,235 km (0.104 R)
• M9: 3,141,854 km (0.097 R)
• M10: 4,901,425 km (0.08 R)
• M11: 5,655,398 km (0.103 R)
• M12: 7,643,853 km (0.102 R)
• M13: 8,067,364 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 11.5

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.45 AU - 2.37 AU

Year: 1790 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,873,125 km

• M1: 143,016 km (0.098 R)
• M2: 601,383 km (0.113 R)
• M3: 1,184,217 km (0.074 R)
• M4: 1,570,179 km (0.033 R)
• M5: 2,076,867 km (0.091 R)
• M6: 2,836,675 km (0.093 R)
• M7: 3,938,613 km (0.059 R)
• M8: 4,883,622 km (0.028 R)
• M9: 6,589,637 km (0.081 R)
• M10: 7,051,296 km (0.057 R)
• M11: 7,418,708 km (0.081 R)
• M12: 8,254,063 km (0.115 R)
• M13: 9,418,832 km (0.114 R)
• M14: 11,025,064 km (0.111 R)
• M15: 12,890,250 km (0.103 R)
• M16: 13,441,219 km (0.111 R)
• M17: 14,454,745 km (0.092 R)
• M18: 16,093,739 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 8.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.62 AU - 2.24 AU

Year: 1819 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,873,125 km

• M1: 176,376 km (0.096 R)
• M2: 726,447 km (0.118 R)
• M3: 1,050,327 km (0.109 R)
• M4: 1,354,609 km (0.107 R)
• M5: 2,341,805 km (0.118 R)
• M6: 2,793,890 km (0.082 R)
• M7: 3,232,810 km (0.109 R)
• M8: 7,503,081 km (0.118 R)
• M9: 9,180,672 km (0.12 R)
• M10: 9,911,009 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 12.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.55 AU - 3.15 AU

Year: 3263 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,873,125 km

• M1: 151,692 km (0.101 R)
• M2: 532,269 km (0.078 R)
• M3: 1,869,824 km (0.113 R)
• M4: 2,427,225 km (0.101 R)
• M5: 3,076,779 km (0.106 R)
• M6: 3,978,406 km (0.084 R)
• M7: 4,884,670 km (0.081 R)
• M8: 6,580,960 km (0.109 R)
• M9: 7,563,070 km (0.117 R)
• M10: 10,386,879 km (0.111 R)
• M11: 19,220,035 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 9.9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.47 AU - 3.75 AU

Year: 3720 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,873,125 km

• M1: 123,568 km (0.079 R)
• M2: 474,973 km (0.118 R)
• M3: 931,396 km (0.111 R)
• M4: 1,335,311 km (0.1 R)
• M5: 1,672,205 km (0.11 R)
• M6: 2,163,634 km (0.074 R)
• M7: 3,246,124 km (0.086 R)
• M8: 3,596,482 km (0.063 R)
• M9: 4,802,391 km (0.081 R)
• M10: 5,181,023 km (0.096 R)
• M11: 6,055,722 km (0.078 R)
• M12: 6,528,451 km (0.063 R)
• M13: 7,218,696 km (0.068 R)
• M14: 8,380,174 km (0.091 R)
• M15: 8,855,596 km (0.057 R)
• M16: 9,661,928 km (0.095 R)
• M17: 11,732,662 km (0.119 R)
• M18: 13,480,713 km (0.1 R)
• M19: 14,083,293 km (0.07 R)
• M20: 14,808,843 km (0.108 R)
• M21: 18,324,542 km (0.098 R)
• M22: 19,951,718 km (0.045 R)
• M23: 22,360,843 km (0.113 R)
• M24: 23,707,373 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 12.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.11 AU - 6.61 AU

Year: 8417 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,873,125 km

• M1: 159,920 km (0.076 R)
• M2: 725,998 km (0.106 R)
• M3: 1,160,879 km (0.076 R)
• M4: 2,438,146 km (0.07 R)
• M5: 3,392,880 km (0.068 R)
• M6: 5,007,041 km (0.106 R)
• M7: 5,426,513 km (0.112 R)
• M8: 7,233,655 km (0.044 R)
• M9: 8,010,368 km (0.117 R)
• M10: 9,146,414 km (0.051 R)
• M11: 11,841,270 km (0.06 R)
• M12: 13,257,064 km (0.102 R)
• M13: 14,301,257 km (0.082 R)
• M14: 16,227,180 km (0.104 R)
• M15: 17,286,333 km (0.071 R)
• M16: 17,971,342 km (0.098 R)
• M17: 20,210,523 km (0.115 R)
• M18: 20,664,403 km (0.048 R)
• M19: 21,671,496 km (0.111 R)
• M20: 25,410,994 km (0.096 R)
• M21: 29,657,628 km (0.098 R)
• M22: 33,610,602 km (0.095 R)
• M23: 34,570,422 km (0.108 R)
• M24: 35,438,838 km (0.1 R)
• M25: 38,246,491 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696

Radius: 6.4

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.31 AU - 7.27 AU

Year: 12000 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,873,125 km

• M1: 82,578 km (0.086 R)
• M2: 429,196 km (0.097 R)
• M3: 723,605 km (0.115 R)
• M4: 980,614 km (0.078 R)
• M5: 1,576,313 km (0.11 R)
• M6: 2,068,041 km (0.041 R)
• M7: 3,935,322 km (0.068 R)
• M8: 4,310,064 km (0.074 R)
• M9: 5,685,168 km (0.067 R)
• M10: 7,458,501 km (0.106 R)
• M11: 9,571,122 km (0.109 R)
• M12: 14,058,460 km (0.118 R)
• M13: 15,349,041 km (0.083 R)
• M14: 24,886,503 km (0.057 R)
• M15: 26,870,171 km (0.113 R)
• M16: 30,369,714 km (0.048 R)
• M17: 41,569,209 km (0.052 R)
• M18: 47,110,165 km (0.106 R)
• M19: 47,406,817 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.7

Radius: 6.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.67 AU - 8.97 AU

Year: 14832 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,873,125 km

• M1: 77,043 km (0.117 R)
• M2: 301,141 km (0.068 R)
• M3: 690,245 km (0.117 R)
• M4: 1,340,098 km (0.09 R)
• M5: 3,055,836 km (0.111 R)
• M6: 3,966,288 km (0.055 R)
• M7: 4,184,851 km (0.032 R)
• M8: 5,807,838 km (0.107 R)
• M9: 6,126,033 km (0.111 R)
• M10: 7,191,319 km (0.097 R)
• M11: 7,725,683 km (0.07 R)
• M12: 8,873,398 km (0.086 R)
• M13: 11,337,873 km (0.12 R)
• M14: 12,289,764 km (0.09 R)
• M15: 13,599,344 km (0.102 R)
• M16: 17,712,687 km (0.054 R)
• M17: 19,614,226 km (0.065 R)
• M18: 24,177,858 km (0.025 R)
• M19: 25,560,891 km (0.116 R)
• M20: 29,608,859 km (0.106 R)
• M21: 31,298,119 km (0.073 R)
• M22: 31,730,157 km (0.11 R)
• M23: 35,215,040 km (0.106 R)
• M24: 37,109,697 km (0.117 R)
• M25: 39,446,715 km (0.082 R)
• M26: 39,950,859 km (0.038 R)
• M27: 41,489,174 km (0.113 R)
• M28: 46,902,074 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.9

Radius: 6.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.5 AU - 10.14 AU

Year: 19298 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,873,125 km

• M1: 252,521 km (0.107 R)
• M2: 916,885 km (0.097 R)
• M3: 3,820,580 km (0.039 R)
• M4: 4,207,739 km (0.116 R)
• M5: 5,158,135 km (0.119 R)
• M6: 12,844,623 km (0.058 R)
• M7: 13,649,609 km (0.099 R)
• M8: 17,281,995 km (0.081 R)
• M9: 18,185,716 km (0.045 R)
• M10: 21,769,183 km (0.096 R)
• M11: 23,091,030 km (0.051 R)
• M12: 25,030,267 km (0.099 R)
• M13: 29,972,681 km (0.077 R)
• M14: 36,009,703 km (0.085 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: 328 - 19,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit