🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 453 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,615,177 km

• M1: 112,797 km (0.101 R)
• M2: 554,709 km (0.098 R)
• M3: 854,653 km (0.119 R)
• M4: 1,342,491 km (0.094 R)
• M5: 1,645,128 km (0.095 R)
• M6: 2,028,547 km (0.107 R)
• M7: 2,824,258 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 10.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.74 AU - 1.2 AU

Year: 617 Days

Day: 9.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,615,177 km

• M1: 134,339 km (0.104 R)
• M2: 586,274 km (0.077 R)
• M3: 935,585 km (0.074 R)
• M4: 1,643,781 km (0.066 R)
• M5: 2,028,547 km (0.034 R)
• M6: 2,415,706 km (0.116 R)
• M7: 3,070,496 km (0.091 R)
• M8: 3,595,286 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 11.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.53 AU - 1.67 AU

Year: 1307 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,615,177 km

• M1: 153,039 km (0.053 R)
• M2: 643,570 km (0.114 R)
• M3: 1,047,035 km (0.117 R)
• M4: 1,446,312 km (0.071 R)
• M5: 1,859,352 km (0.106 R)
• M6: 2,680,644 km (0.082 R)
• M7: 3,110,888 km (0.037 R)
• M8: 3,926,047 km (0.11 R)
• M9: 4,763,495 km (0.049 R)
• M10: 5,275,868 km (0.103 R)
• M11: 5,912,706 km (0.102 R)
• M12: 7,263,725 km (0.084 R)
• M13: 7,863,612 km (0.118 R)
• M14: 8,244,787 km (0.111 R)
• M15: 8,781,844 km (0.12 R)
• M16: 10,211,401 km (0.076 R)
• M17: 10,831,335 km (0.086 R)
• M18: 11,545,664 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.4

Radius: 8.7

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.43 AU - 3.21 AU

Year: 3058 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,615,177 km

• M1: 110,254 km (0.046 R)
• M2: 1,062,893 km (0.119 R)
• M3: 1,699,731 km (0.099 R)
• M4: 2,044,105 km (0.111 R)
• M5: 2,464,775 km (0.09 R)
• M6: 2,792,693 km (0.114 R)
• M7: 3,330,497 km (0.111 R)
• M8: 3,813,100 km (0.101 R)
• M9: 4,145,955 km (0.066 R)
• M10: 4,430,640 km (0.101 R)
• M11: 4,728,340 km (0.086 R)
• M12: 6,000,670 km (0.063 R)
• M13: 7,423,495 km (0.112 R)
• M14: 7,746,178 km (0.075 R)
• M15: 8,806,527 km (0.101 R)
• M16: 9,242,007 km (0.119 R)
• M17: 9,578,004 km (0.071 R)
• M18: 10,038,616 km (0.111 R)
• M19: 10,594,521 km (0.103 R)
• M20: 11,297,182 km (0.09 R)
• M21: 12,979,560 km (0.086 R)
• M22: 14,222,718 km (0.061 R)
• M23: 17,391,800 km (0.11 R)
• M24: 21,131,148 km (0.056 R)
• M25: 22,044,144 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 14.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.23 AU - 3.33 AU

Year: 3836 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,615,177 km

• M1: 184,005 km (0.105 R)
• M2: 653,743 km (0.066 R)
• M3: 1,576,612 km (0.116 R)
• M4: 2,285,855 km (0.108 R)
• M5: 3,765,678 km (0.083 R)
• M6: 4,657,431 km (0.091 R)
• M7: 5,166,063 km (0.059 R)
• M8: 6,745,817 km (0.098 R)
• M9: 7,217,200 km (0.101 R)
• M10: 8,526,779 km (0.116 R)
• M11: 9,114,250 km (0.076 R)
• M12: 11,000,530 km (0.114 R)
• M13: 11,993,261 km (0.062 R)
• M14: 14,884,240 km (0.119 R)
• M15: 16,046,915 km (0.089 R)
• M16: 18,099,398 km (0.067 R)
• M17: 18,725,016 km (0.099 R)
• M18: 19,188,919 km (0.114 R)
• M19: 20,019,486 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 10

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.59 AU - 5.51 AU

Year: 6267 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,615,177 km

• M1: 155,133 km (0.099 R)
• M2: 467,344 km (0.089 R)
• M3: 1,039,855 km (0.026 R)
• M4: 1,975,589 km (0.108 R)
• M5: 2,474,349 km (0.117 R)
• M6: 3,020,830 km (0.114 R)
• M7: 3,360,267 km (0.106 R)
• M8: 4,202,503 km (0.054 R)
• M9: 4,673,437 km (0.082 R)
• M10: 5,031,126 km (0.068 R)
• M11: 5,828,782 km (0.073 R)
• M12: 6,649,326 km (0.075 R)
• M13: 8,174,028 km (0.113 R)
• M14: 9,201,316 km (0.12 R)
• M15: 9,880,790 km (0.095 R)
• M16: 11,045,559 km (0.083 R)
• M17: 11,639,612 km (0.098 R)
• M18: 15,819,825 km (0.069 R)
• M19: 17,867,072 km (0.107 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: 449 - 17,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit