🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 11.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.5 AU - 0.66 AU

Year: 305 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 134.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,578,633 km

• M1: 139,425 km (0.07 R)
• M2: 510,578 km (0.067 R)
• M3: 1,041,052 km (0.099 R)
• M4: 1,503,907 km (0.096 R)
• M5: 2,118,904 km (0.091 R)
• M6: 2,599,113 km (0.083 R)
• M7: 3,627,000 km (0.069 R)
• M8: 4,087,313 km (0.083 R)
• M9: 4,572,609 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.7

Radius: 10.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.53 AU - 0.81 AU

Year: 379 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,578,633 km

• M1: 134,339 km (0.082 R)
• M2: 570,865 km (0.077 R)
• M3: 971,638 km (0.049 R)
• M4: 1,322,744 km (0.092 R)
• M5: 1,716,785 km (0.082 R)
• M6: 2,430,068 km (0.099 R)
• M7: 2,809,149 km (0.074 R)
• M8: 3,676,068 km (0.079 R)
• M9: 4,058,889 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 8.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.68 AU - 1.02 AU

Year: 541 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,578,633 km

• M1: 110,702 km (0.049 R)
• M2: 487,390 km (0.115 R)
• M3: 765,193 km (0.117 R)
• M4: 1,257,968 km (0.044 R)
• M5: 1,566,290 km (0.026 R)
• M6: 2,003,564 km (0.103 R)
• M7: 4,618,535 km (0.078 R)
• M8: 5,311,772 km (0.079 R)
• M9: 5,774,478 km (0.042 R)
• M10: 6,578,866 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 9.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.94 AU - 1.1 AU

Year: 711 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,578,633 km

• M1: 125,812 km (0.058 R)
• M2: 441,463 km (0.098 R)
• M3: 1,253,929 km (0.053 R)
• M4: 1,599,201 km (0.116 R)
• M5: 2,094,819 km (0.119 R)
• M6: 2,427,824 km (0.08 R)
• M7: 3,238,196 km (0.04 R)
• M8: 3,558,036 km (0.115 R)
• M9: 4,176,324 km (0.103 R)
• M10: 4,647,557 km (0.113 R)
• M11: 5,403,774 km (0.074 R)
• M12: 5,767,148 km (0.117 R)
• M13: 6,221,177 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 12.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,578,633 km

• M1: 160,519 km (0.077 R)
• M2: 796,459 km (0.05 R)
• M3: 1,560,605 km (0.068 R)
• M4: 1,986,211 km (0.081 R)
• M5: 2,542,715 km (0.087 R)
• M6: 2,990,162 km (0.119 R)
• M7: 3,640,763 km (0.038 R)
• M8: 4,250,524 km (0.118 R)
• M9: 4,969,641 km (0.103 R)
• M10: 5,403,325 km (0.11 R)
• M11: 5,981,072 km (0.051 R)
• M12: 6,991,307 km (0.107 R)
• M13: 7,398,363 km (0.094 R)
• M14: 7,936,765 km (0.09 R)
• M15: 8,562,085 km (0.06 R)
• M16: 9,060,395 km (0.091 R)
• M17: 9,512,330 km (0.093 R)
• M18: 10,391,816 km (0.096 R)
• M19: 11,925,942 km (0.115 R)
• M20: 14,199,979 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 8.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.5 AU - 4.38 AU

Year: 5398 Days

Day: 10.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,578,633 km

• M1: 102,624 km (0.113 R)
• M2: 474,076 km (0.111 R)
• M3: 901,477 km (0.115 R)
• M4: 1,514,978 km (0.117 R)
• M5: 2,809,149 km (0.102 R)
• M6: 3,926,346 km (0.083 R)
• M7: 4,646,061 km (0.027 R)
• M8: 6,622,698 km (0.103 R)
• M9: 7,037,533 km (0.033 R)
• M10: 8,313,303 km (0.108 R)
• M11: 8,758,357 km (0.095 R)
• M12: 9,102,582 km (0.114 R)
• M13: 10,023,357 km (0.08 R)
• M14: 13,108,214 km (0.039 R)
• M15: 14,865,540 km (0.117 R)
• M16: 16,483,890 km (0.038 R)
• M17: 18,216,383 km (0.096 R)
• M18: 23,399,501 km (0.079 R)
• M19: 23,766,614 km (0.099 R)
• M20: 24,436,962 km (0.105 R)
• M21: 24,890,991 km (0.105 R)
• M22: 26,207,602 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 13.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.96 AU - 6.6 AU

Year: 8375 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,578,633 km

• M1: 172,935 km (0.119 R)
• M2: 632,051 km (0.082 R)
• M3: 1,163,273 km (0.05 R)
• M4: 1,806,245 km (0.113 R)
• M5: 2,442,784 km (0.105 R)
• M6: 5,895,951 km (0.118 R)
• M7: 7,046,808 km (0.074 R)
• M8: 8,551,762 km (0.086 R)
• M9: 15,774,647 km (0.08 R)
• M10: 17,088,714 km (0.087 R)
• M11: 17,565,483 km (0.115 R)
• M12: 20,310,753 km (0.037 R)
• M13: 22,185,364 km (0.111 R)
• M14: 22,753,238 km (0.077 R)
• M15: 23,665,186 km (0.083 R)
• M16: 24,860,922 km (0.118 R)
• M17: 28,120,510 km (0.09 R)
• M18: 30,744,906 km (0.118 R)
• M19: 33,317,091 km (0.07 R)
• M20: 39,593,620 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 12.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.73 AU - 6.17 AU

Year: 8782 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,578,633 km

• M1: 155,432 km (0.107 R)
• M2: 588,219 km (0.093 R)
• M3: 1,005,746 km (0.056 R)
• M4: 1,455,587 km (0.101 R)
• M5: 2,211,356 km (0.119 R)
• M6: 2,760,829 km (0.075 R)
• M7: 3,667,841 km (0.09 R)
• M8: 4,109,753 km (0.086 R)
• M9: 4,976,972 km (0.097 R)
• M10: 5,620,542 km (0.066 R)
• M11: 6,996,244 km (0.05 R)
• M12: 8,948,346 km (0.078 R)
• M13: 9,852,366 km (0.115 R)
• M14: 10,608,284 km (0.084 R)
• M15: 11,511,407 km (0.1 R)
• M16: 12,813,955 km (0.096 R)
• M17: 13,229,239 km (0.078 R)
• M18: 14,024,501 km (0.06 R)
• M19: 16,255,454 km (0.063 R)
• M20: 18,262,758 km (0.031 R)
• M21: 22,335,112 km (0.089 R)
• M22: 23,024,459 km (0.093 R)
• M23: 24,902,062 km (0.064 R)
• M24: 29,573,405 km (0.109 R)
• M25: 37,026,520 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374

Radius: 6.5

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.52 AU - 7.48 AU

Year: 12784 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,578,633 km

• M1: 80,783 km (0.054 R)
• M2: 818,001 km (0.115 R)
• M3: 1,618,799 km (0.074 R)
• M4: 2,490,655 km (0.077 R)
• M5: 3,279,036 km (0.029 R)
• M6: 3,717,806 km (0.092 R)
• M7: 3,951,628 km (0.037 R)
• M8: 5,017,662 km (0.07 R)
• M9: 5,271,380 km (0.114 R)
• M10: 6,520,672 km (0.067 R)
• M11: 7,294,243 km (0.115 R)
• M12: 8,084,269 km (0.079 R)
• M13: 11,219,541 km (0.105 R)
• M14: 16,777,850 km (0.109 R)
• M15: 20,143,054 km (0.092 R)
• M16: 22,364,134 km (0.075 R)
• M17: 24,926,147 km (0.05 R)
• M18: 35,369,425 km (0.059 R)
• M19: 39,451,202 km (0.095 R)
• M20: 46,007,778 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.5

Radius: 5.7

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.17 AU - 12.39 AU

Year: 22751 Days

Day: 15.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,578,633 km

• M1: 71,358 km (0.063 R)
• M2: 330,163 km (0.097 R)
• M3: 705,354 km (0.106 R)
• M4: 1,891,665 km (0.095 R)
• M5: 2,518,929 km (0.109 R)
• M6: 2,721,484 km (0.091 R)
• M7: 3,486,827 km (0.051 R)
• M8: 4,003,239 km (0.051 R)
• M9: 4,532,367 km (0.108 R)
• M10: 5,600,645 km (0.112 R)
• M11: 7,222,585 km (0.057 R)
• M12: 7,528,962 km (0.082 R)
• M13: 7,897,421 km (0.076 R)
• M14: 11,914,124 km (0.1 R)
• M15: 12,126,852 km (0.117 R)
• M16: 16,403,855 km (0.112 R)
• M17: 22,224,858 km (0.103 R)
• M18: 23,534,139 km (0.097 R)
• M19: 23,869,387 km (0.117 R)
• M20: 26,545,843 km (0.046 R)
• M21: 31,937,201 km (0.118 R)
• M22: 36,952,619 km (0.085 R)
• M23: 37,405,452 km (0.068 R)
• M24: 38,941,672 km (0.107 R)
• M25: 41,812,006 km (0.068 R)
• M26: 48,508,606 km (0.079 R)
• M27: 53,348,845 km (0.114 R)
• M28: 57,082,957 km (0.058 R)
• M29: 57,688,080 km (0.087 R)
• M30: 62,897,677 km (0.074 R)
• M31: 70,012,103 km (0.101 R)
• M32: 71,870,856 km (0.095 R)
• M33: 72,576,360 km (0.114 R)
• M34: 80,896,993 km (0.045 R)
• M35: 83,201,249 km (0.062 R)
• M36: 83,460,054 km (0.109 R)
• M37: 91,748,524 km (0.074 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit