🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.5

Radius: 8.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.23 AU - 1.45 AU

Year: 1090 Days

Day: 6.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,551,887 km

• M1: 108,159 km (0.109 R)
• M2: 421,417 km (0.086 R)
• M3: 728,841 km (0.074 R)
• M4: 1,242,859 km (0.11 R)
• M5: 1,582,147 km (0.071 R)
• M6: 1,865,485 km (0.102 R)
• M7: 2,439,792 km (0.055 R)
• M8: 2,716,697 km (0.118 R)
• M9: 3,347,701 km (0.111 R)
• M10: 3,952,675 km (0.087 R)
• M11: 4,695,428 km (0.104 R)
• M12: 5,109,066 km (0.099 R)
• M13: 5,528,240 km (0.1 R)
• M14: 6,009,496 km (0.119 R)
• M15: 6,393,813 km (0.086 R)
• M16: 7,530,158 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 14.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.49 AU - 2.11 AU

Year: 1698 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,551,887 km

• M1: 179,069 km (0.11 R)
• M2: 704,756 km (0.112 R)
• M3: 1,338,901 km (0.051 R)
• M4: 1,931,757 km (0.072 R)
• M5: 2,809,448 km (0.102 R)
• M6: 3,922,007 km (0.081 R)
• M7: 4,442,758 km (0.089 R)
• M8: 7,440,998 km (0.084 R)
• M9: 8,697,620 km (0.07 R)
• M10: 9,688,257 km (0.104 R)
• M11: 10,505,810 km (0.087 R)
• M12: 12,474,368 km (0.082 R)
• M13: 13,195,879 km (0.09 R)
• M14: 14,634,711 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.9

Radius: 14.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.07 AU - 2.65 AU

Year: 2548 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,551,887 km

• M1: 184,005 km (0.114 R)
• M2: 674,836 km (0.06 R)
• M3: 1,148,463 km (0.05 R)
• M4: 1,701,077 km (0.067 R)
• M5: 2,215,096 km (0.089 R)
• M6: 2,771,450 km (0.063 R)
• M7: 3,929,487 km (0.087 R)
• M8: 5,195,534 km (0.117 R)
• M9: 6,605,045 km (0.112 R)
• M10: 7,460,745 km (0.108 R)
• M11: 11,600,268 km (0.116 R)
• M12: 13,804,144 km (0.116 R)
• M13: 14,759,625 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 12.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.86 AU - 3.26 AU

Year: 3763 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,551,887 km

• M1: 155,432 km (0.057 R)
• M2: 578,046 km (0.065 R)
• M3: 1,000,361 km (0.091 R)
• M4: 1,449,155 km (0.11 R)
• M5: 2,009,399 km (0.049 R)
• M6: 2,410,171 km (0.056 R)
• M7: 3,023,373 km (0.032 R)
• M8: 3,776,598 km (0.12 R)
• M9: 4,542,988 km (0.104 R)
• M10: 5,681,428 km (0.077 R)
• M11: 6,171,062 km (0.079 R)
• M12: 10,390,919 km (0.059 R)
• M13: 13,268,882 km (0.105 R)
• M14: 13,673,993 km (0.115 R)
• M15: 14,180,233 km (0.117 R)
• M16: 15,875,027 km (0.097 R)
• M17: 17,007,333 km (0.106 R)
• M18: 17,809,627 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 10.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.52 AU - 3.98 AU

Year: 4118 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,551,887 km

• M1: 125,662 km (0.103 R)
• M2: 1,801,009 km (0.115 R)
• M3: 2,522,071 km (0.102 R)
• M4: 3,091,141 km (0.111 R)
• M5: 3,424,894 km (0.1 R)
• M6: 4,754,520 km (0.098 R)
• M7: 7,398,961 km (0.045 R)
• M8: 11,759,440 km (0.07 R)
• M9: 12,359,626 km (0.096 R)
• M10: 15,518,685 km (0.082 R)
• M11: 16,345,811 km (0.102 R)
• M12: 17,093,501 km (0.078 R)
• M13: 19,890,832 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 14.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4 AU - 4 AU

Year: 5623 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,551,887 km

• M1: 181,612 km (0.114 R)
• M2: 647,609 km (0.088 R)
• M3: 1,302,698 km (0.034 R)
• M4: 1,849,478 km (0.048 R)
• M5: 2,599,712 km (0.077 R)
• M6: 4,613,000 km (0.114 R)
• M7: 5,181,472 km (0.117 R)
• M8: 6,335,619 km (0.102 R)
• M9: 6,941,042 km (0.06 R)
• M10: 9,800,605 km (0.064 R)
• M11: 11,937,760 km (0.033 R)
• M12: 12,864,220 km (0.072 R)
• M13: 18,421,931 km (0.077 R)
• M14: 19,926,736 km (0.066 R)
• M15: 20,674,725 km (0.095 R)
• M16: 22,154,846 km (0.118 R)
• M17: 22,663,479 km (0.09 R)
• M18: 24,621,865 km (0.099 R)
• M19: 28,529,810 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 13.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.02 AU - 5.26 AU

Year: 8191 Days

Day: 10.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,551,887 km

• M1: 177,273 km (0.101 R)
• M2: 753,076 km (0.12 R)
• M3: 1,266,944 km (0.05 R)
• M4: 1,908,420 km (0.084 R)
• M5: 2,741,231 km (0.047 R)
• M6: 3,704,642 km (0.083 R)
• M7: 5,159,032 km (0.071 R)
• M8: 7,971,622 km (0.085 R)
• M9: 18,190,503 km (0.071 R)
• M10: 19,857,472 km (0.043 R)
• M11: 20,808,615 km (0.064 R)
• M12: 21,541,645 km (0.095 R)
• M13: 22,123,730 km (0.096 R)
• M14: 28,635,127 km (0.081 R)
• M15: 33,253,811 km (0.093 R)
• M16: 34,256,267 km (0.111 R)
• M17: 37,984,096 km (0.119 R)
• M18: 39,573,125 km (0.115 R)
• M19: 40,572,588 km (0.06 R)
• M20: 42,752,528 km (0.043 R)
• M21: 44,471,408 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 17,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit