🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.1

Radius: 13

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 457 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,372,424 km

• M1: 164,258 km (0.084 R)
• M2: 624,272 km (0.1 R)
• M3: 1,110,166 km (0.044 R)
• M4: 1,869,225 km (0.097 R)
• M5: 2,795,087 km (0.109 R)
• M6: 3,548,312 km (0.108 R)
• M7: 4,181,859 km (0.04 R)
• M8: 4,650,250 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 10.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.85 AU - 1.13 AU

Year: 680 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,372,424 km

• M1: 135,536 km (0.087 R)
• M2: 491,728 km (0.077 R)
• M3: 846,724 km (0.092 R)
• M4: 1,526,197 km (0.101 R)
• M5: 1,906,026 km (0.057 R)
• M6: 2,288,399 km (0.07 R)
• M7: 2,831,289 km (0.048 R)
• M8: 3,516,896 km (0.12 R)
• M9: 4,071,904 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 14.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.85 AU - 1.15 AU

Year: 690 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 152.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,372,424 km

• M1: 180,565 km (0.081 R)
• M2: 838,945 km (0.105 R)
• M3: 1,952,551 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 12.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.65 AU - 2.23 AU

Year: 1865 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,372,424 km

• M1: 156,479 km (0.04 R)
• M2: 576,251 km (0.117 R)
• M3: 1,091,466 km (0.096 R)
• M4: 1,500,766 km (0.055 R)
• M5: 2,430,217 km (0.036 R)
• M6: 3,488,024 km (0.076 R)
• M7: 4,562,585 km (0.076 R)
• M8: 5,311,173 km (0.037 R)
• M9: 6,164,928 km (0.111 R)
• M10: 6,598,762 km (0.114 R)
• M11: 6,998,637 km (0.117 R)
• M12: 7,499,790 km (0.103 R)
• M13: 8,054,798 km (0.086 R)
• M14: 8,986,942 km (0.073 R)
• M15: 9,783,252 km (0.033 R)
• M16: 10,233,990 km (0.117 R)
• M17: 11,824,515 km (0.088 R)
• M18: 12,986,591 km (0.104 R)
• M19: 15,583,909 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 12.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.01 AU - 2.27 AU

Year: 2161 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,372,424 km

• M1: 150,495 km (0.112 R)
• M2: 527,781 km (0.091 R)
• M3: 1,613,413 km (0.115 R)
• M4: 2,066,844 km (0.054 R)
• M5: 3,346,504 km (0.05 R)
• M6: 4,895,291 km (0.111 R)
• M7: 5,439,977 km (0.055 R)
• M8: 6,606,990 km (0.107 R)
• M9: 7,759,193 km (0.071 R)
• M10: 8,318,090 km (0.027 R)
• M11: 8,822,385 km (0.039 R)
• M12: 9,602,687 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 13.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.32 AU - 3.66 AU

Year: 3569 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,372,424 km

• M1: 170,841 km (0.063 R)
• M2: 737,218 km (0.075 R)
• M3: 1,571,376 km (0.083 R)
• M4: 3,038,632 km (0.107 R)
• M5: 4,189,788 km (0.094 R)
• M6: 5,987,804 km (0.103 R)
• M7: 8,882,673 km (0.114 R)
• M8: 12,606,164 km (0.07 R)
• M9: 14,016,872 km (0.049 R)
• M10: 18,584,543 km (0.114 R)
• M11: 20,034,895 km (0.093 R)
• M12: 20,597,832 km (0.116 R)
• M13: 22,483,962 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676

Radius: 13.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.85 AU - 3.99 AU

Year: 4366 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,372,424 km

• M1: 163,062 km (0.118 R)
• M2: 610,359 km (0.096 R)
• M3: 1,152,951 km (0.096 R)
• M4: 1,807,441 km (0.108 R)
• M5: 2,536,432 km (0.091 R)
• M6: 2,961,290 km (0.101 R)
• M7: 3,454,065 km (0.03 R)
• M8: 3,979,453 km (0.055 R)
• M9: 7,488,570 km (0.077 R)
• M10: 7,940,505 km (0.091 R)
• M11: 8,373,890 km (0.117 R)
• M12: 9,688,407 km (0.117 R)
• M13: 10,566,546 km (0.106 R)
• M14: 14,088,379 km (0.081 R)
• M15: 14,617,806 km (0.103 R)
• M16: 15,492,505 km (0.112 R)
• M17: 17,226,344 km (0.09 R)
• M18: 18,830,782 km (0.077 R)
• M19: 19,734,951 km (0.08 R)
• M20: 21,076,694 km (0.119 R)
• M21: 22,765,804 km (0.104 R)
• M22: 23,569,593 km (0.092 R)
• M23: 25,156,378 km (0.095 R)
• M24: 27,299,816 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 9.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.83 AU - 4.45 AU

Year: 5814 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,372,424 km

• M1: 125,363 km (0.057 R)
• M2: 618,438 km (0.045 R)
• M3: 923,468 km (0.083 R)
• M4: 1,322,744 km (0.086 R)
• M5: 1,784,852 km (0.045 R)
• M6: 2,321,310 km (0.11 R)
• M7: 3,036,238 km (0.078 R)
• M8: 3,506,873 km (0.085 R)
• M9: 3,980,650 km (0.037 R)
• M10: 5,464,661 km (0.069 R)
• M11: 6,012,937 km (0.103 R)
• M12: 6,565,851 km (0.094 R)
• M13: 7,118,764 km (0.119 R)
• M14: 7,702,495 km (0.044 R)
• M15: 8,848,864 km (0.1 R)
• M16: 10,666,328 km (0.054 R)
• M17: 12,720,008 km (0.112 R)
• M18: 13,997,723 km (0.098 R)
• M19: 15,527,960 km (0.076 R)
• M20: 16,275,201 km (0.112 R)
• M21: 17,410,051 km (0.066 R)
• M22: 19,177,549 km (0.119 R)
• M23: 20,854,093 km (0.107 R)
• M24: 21,834,557 km (0.09 R)
• M25: 23,066,047 km (0.09 R)
• M26: 24,114,429 km (0.041 R)
• M27: 26,467,603 km (0.082 R)
• M28: 27,450,312 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit