🌌 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: 607.1

Radius: 10.2

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 5.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,858,567 km

• M1: 126,859 km (0.09 R)
• M2: 465,997 km (0.096 R)
• M3: 834,307 km (0.108 R)
• M4: 1,188,555 km (0.111 R)
• M5: 1,577,210 km (0.114 R)
• M6: 2,043,357 km (0.079 R)
• M7: 2,705,178 km (0.073 R)
• M8: 3,155,318 km (0.107 R)
• M9: 3,654,975 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 13.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 8.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,858,567 km

• M1: 172,935 km (0.106 R)
• M2: 605,871 km (0.093 R)
• M3: 1,124,078 km (0.045 R)
• M4: 1,685,669 km (0.095 R)
• M5: 2,156,603 km (0.08 R)
• M6: 2,634,568 km (0.082 R)
• M7: 3,569,405 km (0.081 R)
• M8: 4,476,118 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 14.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.92 AU - 1.44 AU

Year: 885 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,858,567 km

• M1: 177,573 km (0.094 R)
• M2: 647,011 km (0.119 R)
• M3: 1,506,002 km (0.077 R)
• M4: 1,951,803 km (0.117 R)
• M5: 2,562,612 km (0.115 R)
• M6: 3,121,360 km (0.114 R)
• M7: 5,414,545 km (0.115 R)
• M8: 6,466,069 km (0.079 R)
• M9: 7,062,815 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 8.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.29 AU - 1.45 AU

Year: 1107 Days

Day: 8.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,858,567 km

• M1: 102,026 km (0.037 R)
• M2: 370,554 km (0.12 R)
• M3: 686,953 km (0.078 R)
• M4: 946,506 km (0.116 R)
• M5: 1,259,614 km (0.077 R)
• M6: 1,675,197 km (0.064 R)
• M7: 2,149,721 km (0.058 R)
• M8: 2,711,461 km (0.106 R)
• M9: 3,039,829 km (0.08 R)
• M10: 3,821,029 km (0.061 R)
• M11: 4,219,258 km (0.074 R)
• M12: 5,601,243 km (0.106 R)
• M13: 6,115,860 km (0.096 R)
• M14: 6,405,781 km (0.067 R)
• M15: 6,770,201 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 12.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.33 AU - 1.47 AU

Year: 1143 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,858,567 km

• M1: 159,621 km (0.119 R)
• M2: 574,905 km (0.097 R)
• M3: 967,749 km (0.096 R)
• M4: 2,855,225 km (0.078 R)
• M5: 3,546,666 km (0.12 R)
• M6: 4,381,273 km (0.047 R)
• M7: 4,864,175 km (0.095 R)
• M8: 5,283,797 km (0.106 R)
• M9: 5,790,036 km (0.093 R)
• M10: 6,328,738 km (0.109 R)
• M11: 6,783,366 km (0.116 R)
• M12: 7,333,437 km (0.119 R)
• M13: 9,747,498 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 8.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.6 AU - 2.98 AU

Year: 3217 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,858,567 km

• M1: 104,719 km (0.076 R)
• M2: 398,978 km (0.049 R)
• M3: 690,544 km (0.086 R)
• M4: 1,053,468 km (0.109 R)
• M5: 1,693,597 km (0.109 R)
• M6: 2,149,572 km (0.109 R)
• M7: 3,127,194 km (0.114 R)
• M8: 4,295,104 km (0.099 R)
• M9: 4,685,854 km (0.079 R)
• M10: 5,077,801 km (0.104 R)
• M11: 8,211,726 km (0.063 R)
• M12: 10,396,902 km (0.061 R)
• M13: 11,216,998 km (0.031 R)
• M14: 12,943,357 km (0.097 R)
• M15: 14,610,326 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 13.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.64 AU - 5.46 AU

Year: 7833 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,858,567 km

• M1: 171,738 km (0.108 R)
• M2: 1,143,227 km (0.088 R)
• M3: 3,840,776 km (0.114 R)
• M4: 4,343,574 km (0.113 R)
• M5: 4,787,581 km (0.112 R)
• M6: 5,371,760 km (0.12 R)
• M7: 7,519,088 km (0.052 R)
• M8: 7,980,298 km (0.089 R)
• M9: 9,767,095 km (0.029 R)
• M10: 10,490,700 km (0.079 R)
• M11: 11,204,133 km (0.073 R)
• M12: 15,437,154 km (0.106 R)
• M13: 16,419,862 km (0.063 R)
• M14: 18,128,868 km (0.088 R)
• M15: 19,222,728 km (0.102 R)
• M16: 20,428,487 km (0.102 R)
• M17: 21,471,184 km (0.119 R)
• M18: 27,141,691 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.7

Radius: 7.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.11 AU - 6.39 AU

Year: 9517 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,858,567 km

• M1: 89,609 km (0.089 R)
• M2: 373,097 km (0.118 R)
• M3: 801,246 km (0.082 R)
• M4: 1,414,448 km (0.111 R)
• M5: 2,106,188 km (0.069 R)
• M6: 2,763,821 km (0.049 R)
• M7: 3,551,005 km (0.066 R)
• M8: 4,034,505 km (0.104 R)
• M9: 4,699,617 km (0.105 R)
• M10: 4,956,177 km (0.104 R)
• M11: 5,497,572 km (0.088 R)
• M12: 7,706,086 km (0.093 R)
• M13: 8,432,383 km (0.103 R)
• M14: 11,083,407 km (0.027 R)
• M15: 12,982,402 km (0.115 R)
• M16: 14,965,621 km (0.071 R)
• M17: 17,615,598 km (0.114 R)
• M18: 17,958,776 km (0.1 R)
• M19: 24,753,511 km (0.09 R)
• M20: 27,229,954 km (0.106 R)
• M21: 27,781,222 km (0.076 R)
• M22: 31,548,097 km (0.107 R)
• M23: 32,054,485 km (0.091 R)
• M24: 32,875,778 km (0.116 R)
• M25: 35,641,992 km (0.117 R)
• M26: 37,306,567 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.1

Radius: 5.3

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.41 AU - 8.47 AU

Year: 14008 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,858,567 km

• M1: 210,484 km (0.026 R)
• M2: 478,713 km (0.075 R)
• M3: 1,119,740 km (0.114 R)
• M4: 1,977,235 km (0.112 R)
• M5: 2,180,688 km (0.099 R)
• M6: 2,360,804 km (0.104 R)
• M7: 2,919,103 km (0.042 R)
• M8: 6,370,476 km (0.074 R)
• M9: 6,740,581 km (0.064 R)
• M10: 7,046,808 km (0.062 R)
• M11: 8,409,046 km (0.081 R)
• M12: 9,036,759 km (0.062 R)
• M13: 10,690,713 km (0.072 R)
• M14: 11,054,535 km (0.073 R)
• M15: 13,176,132 km (0.11 R)
• M16: 19,790,452 km (0.07 R)
• M17: 22,550,383 km (0.077 R)
• M18: 23,235,092 km (0.059 R)
• M19: 23,408,476 km (0.082 R)
• M20: 25,098,484 km (0.075 R)
• M21: 32,133,623 km (0.101 R)
• M22: 32,456,754 km (0.066 R)
• M23: 33,439,313 km (0.06 R)
• M24: 36,156,309 km (0.113 R)
• M25: 37,211,872 km (0.077 R)
• M26: 40,627,491 km (0.117 R)
• M27: 41,131,785 km (0.102 R)
• M28: 43,322,197 km (0.084 R)
• M29: 44,113,420 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.3

Radius: 5.1

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.19 AU - 10.17 AU

Year: 16149 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 72.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,858,567 km

• M1: 63,429 km (0.073 R)
• M2: 223,798 km (0.103 R)
• M3: 455,077 km (0.083 R)
• M4: 906,563 km (0.104 R)
• M5: 1,067,979 km (0.06 R)
• M6: 1,248,843 km (0.12 R)
• M7: 1,531,284 km (0.086 R)
• M8: 1,951,205 km (0.087 R)
• M9: 2,659,850 km (0.115 R)
• M10: 2,995,249 km (0.066 R)
• M11: 3,750,568 km (0.085 R)
• M12: 5,205,557 km (0.106 R)
• M13: 8,142,762 km (0.109 R)
• M14: 15,626,545 km (0.053 R)
• M15: 16,028,514 km (0.118 R)
• M16: 17,489,487 km (0.066 R)
• M17: 21,402,967 km (0.089 R)
• M18: 21,815,409 km (0.115 R)
• M19: 22,401,683 km (0.085 R)
• M20: 27,963,432 km (0.097 R)
• M21: 33,597,737 km (0.069 R)
• M22: 34,491,883 km (0.074 R)
• M23: 34,944,866 km (0.097 R)
• M24: 35,287,146 km (0.067 R)
• M25: 35,978,587 km (0.108 R)
• M26: 36,679,004 km (0.094 R)
• M27: 37,746,535 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit