🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 12.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.87 AU

Year: 1477 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,635,422 km

• M1: 150,495 km (0.115 R)
• M2: 743,501 km (0.083 R)
• M3: 1,605,634 km (0.072 R)
• M4: 2,223,772 km (0.092 R)
• M5: 3,164,743 km (0.103 R)
• M6: 3,568,508 km (0.114 R)
• M7: 3,973,020 km (0.071 R)
• M8: 4,722,506 km (0.07 R)
• M9: 5,887,873 km (0.116 R)
• M10: 6,270,245 km (0.109 R)
• M11: 8,665,457 km (0.117 R)
• M12: 10,307,443 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 14.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.21 AU - 3.05 AU

Year: 2893 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,635,422 km

• M1: 176,825 km (0.085 R)
• M2: 946,506 km (0.049 R)
• M3: 2,245,015 km (0.104 R)
• M4: 2,690,518 km (0.03 R)
• M5: 3,340,221 km (0.04 R)
• M6: 3,944,896 km (0.037 R)
• M7: 5,559,356 km (0.05 R)
• M8: 6,210,406 km (0.076 R)
• M9: 7,240,387 km (0.103 R)
• M10: 7,928,986 km (0.119 R)
• M11: 8,724,099 km (0.086 R)
• M12: 10,366,833 km (0.093 R)
• M13: 11,205,479 km (0.062 R)
• M14: 11,853,986 km (0.088 R)
• M15: 12,935,578 km (0.12 R)
• M16: 13,864,731 km (0.085 R)
• M17: 15,434,012 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 13.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.58 AU - 3.86 AU

Year: 3919 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,635,422 km

• M1: 189,840 km (0.078 R)
• M2: 896,091 km (0.084 R)
• M3: 1,523,206 km (0.068 R)
• M4: 2,116,810 km (0.08 R)
• M5: 2,772,647 km (0.081 R)
• M6: 4,960,665 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 9.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.18 AU - 5.16 AU

Year: 6845 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,635,422 km

• M1: 114,442 km (0.049 R)
• M2: 1,307,037 km (0.108 R)
• M3: 2,246,362 km (0.096 R)
• M4: 3,514,652 km (0.102 R)
• M5: 4,028,521 km (0.11 R)
• M6: 5,148,560 km (0.104 R)
• M7: 5,534,074 km (0.085 R)
• M8: 7,055,784 km (0.053 R)
• M9: 8,029,965 km (0.068 R)
• M10: 8,713,777 km (0.036 R)
• M11: 9,789,385 km (0.104 R)
• M12: 11,243,028 km (0.041 R)
• M13: 15,528,708 km (0.117 R)
• M14: 21,773,372 km (0.082 R)
• M15: 22,235,779 km (0.117 R)
• M16: 23,420,594 km (0.107 R)
• M17: 23,824,807 km (0.06 R)
• M18: 33,527,875 km (0.099 R)
• M19: 34,144,667 km (0.105 R)
• M20: 34,873,956 km (0.107 R)

Asteroid Belt

Center: 4.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 9.7

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.16 AU - 6.3 AU

Year: 8112 Days

Day: 12.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,635,422 km

• M1: 120,576 km (0.075 R)
• M2: 515,514 km (0.082 R)
• M3: 1,147,116 km (0.114 R)
• M4: 1,729,501 km (0.115 R)
• M5: 2,941,244 km (0.091 R)
• M6: 3,503,881 km (0.048 R)
• M7: 4,319,639 km (0.106 R)
• M8: 5,597,803 km (0.088 R)
• M9: 6,639,154 km (0.099 R)
• M10: 7,075,231 km (0.069 R)
• M11: 7,607,949 km (0.092 R)
• M12: 8,796,804 km (0.062 R)
• M13: 9,368,118 km (0.099 R)
• M14: 11,333,535 km (0.117 R)
• M15: 14,744,366 km (0.116 R)
• M16: 15,804,865 km (0.082 R)
• M17: 29,840,287 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 10

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.42 AU - 6.1 AU

Year: 8182 Days

Day: 14.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,635,422 km

• M1: 124,765 km (0.097 R)
• M2: 443,707 km (0.112 R)
• M3: 757,713 km (0.073 R)
• M4: 1,100,442 km (0.087 R)
• M5: 1,483,263 km (0.069 R)
• M6: 1,908,270 km (0.069 R)
• M7: 2,543,912 km (0.083 R)
• M8: 3,314,939 km (0.068 R)
• M9: 4,371,100 km (0.049 R)
• M10: 5,347,675 km (0.09 R)
• M11: 5,904,478 km (0.12 R)
• M12: 8,184,051 km (0.115 R)
• M13: 8,746,090 km (0.039 R)
• M14: 9,059,348 km (0.094 R)
• M15: 9,899,340 km (0.065 R)
• M16: 10,688,917 km (0.084 R)
• M17: 12,961,160 km (0.083 R)
• M18: 13,605,777 km (0.065 R)
• M19: 14,395,055 km (0.086 R)
• M20: 15,537,983 km (0.1 R)
• M21: 20,326,162 km (0.074 R)
• M22: 21,036,303 km (0.114 R)
• M23: 23,956,154 km (0.119 R)
• M24: 26,759,020 km (0.101 R)
• M25: 30,689,255 km (0.119 R)
• M26: 32,684,292 km (0.107 R)
• M27: 38,106,916 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.4

Radius: 4.5

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.08 AU - 11.74 AU

Year: 22781 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,635,422 km

• M1: 57,146 km (0.12 R)
• M2: 221,854 km (0.035 R)
• M3: 507,286 km (0.062 R)
• M4: 732,132 km (0.088 R)
• M5: 2,145,533 km (0.087 R)
• M6: 2,692,462 km (0.085 R)
• M7: 4,322,481 km (0.112 R)
• M8: 4,474,921 km (0.107 R)
• M9: 5,536,767 km (0.1 R)
• M10: 7,916,121 km (0.117 R)
• M11: 11,941,500 km (0.07 R)
• M12: 15,109,086 km (0.1 R)
• M13: 19,283,614 km (0.107 R)
• M14: 23,786,061 km (0.08 R)
• M15: 29,483,945 km (0.087 R)
• M16: 33,589,958 km (0.064 R)
• M17: 37,417,719 km (0.077 R)
• M18: 38,320,542 km (0.051 R)
• M19: 42,077,243 km (0.091 R)
• M20: 42,493,724 km (0.11 R)
• M21: 44,761,628 km (0.071 R)
• M22: 55,302,593 km (0.091 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: 238 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit