🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 8.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 8.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 19,859,612 km

• M1: 103,372 km (0.107 R)
• M2: 543,788 km (0.117 R)
• M3: 1,327,980 km (0.05 R)
• M4: 2,221,528 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 12.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.97 AU - 1.03 AU

Year: 667 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,859,612 km

• M1: 150,495 km (0.05 R)
• M2: 547,229 km (0.101 R)
• M3: 933,790 km (0.072 R)
• M4: 1,340,547 km (0.047 R)
• M5: 1,811,929 km (0.117 R)
• M6: 2,393,865 km (0.119 R)
• M7: 2,870,783 km (0.106 R)
• M8: 3,550,107 km (0.099 R)
• M9: 4,854,451 km (0.092 R)
• M10: 6,850,685 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 13.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.15 AU - 1.19 AU

Year: 844 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,859,612 km

• M1: 171,589 km (0.113 R)
• M2: 804,388 km (0.034 R)
• M3: 1,280,558 km (0.106 R)
• M4: 1,915,750 km (0.087 R)
• M5: 2,391,472 km (0.074 R)
• M6: 2,855,674 km (0.11 R)
• M7: 4,012,065 km (0.116 R)
• M8: 4,563,782 km (0.091 R)
• M9: 5,784,052 km (0.106 R)
• M10: 6,711,708 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 12.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.44 AU - 1.86 AU

Year: 1413 Days

Day: 10.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,859,612 km

• M1: 159,771 km (0.117 R)
• M2: 1,238,072 km (0.048 R)
• M3: 1,736,233 km (0.109 R)
• M4: 2,558,722 km (0.117 R)
• M5: 3,626,103 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 8.1

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.63 AU - 2.23 AU

Year: 1788 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,859,612 km

• M1: 100,829 km (0.116 R)
• M2: 645,365 km (0.098 R)
• M3: 922,271 km (0.045 R)
• M4: 1,595,162 km (0.063 R)
• M5: 2,044,255 km (0.095 R)
• M6: 2,305,453 km (0.07 R)
• M7: 2,589,240 km (0.111 R)
• M8: 3,098,471 km (0.101 R)
• M9: 3,601,868 km (0.106 R)
• M10: 3,910,638 km (0.078 R)
• M11: 4,237,060 km (0.089 R)
• M12: 4,686,303 km (0.085 R)
• M13: 5,099,642 km (0.11 R)
• M14: 9,164,814 km (0.106 R)
• M15: 9,433,642 km (0.049 R)
• M16: 11,543,720 km (0.103 R)
• M17: 12,708,489 km (0.094 R)
• M18: 13,643,176 km (0.092 R)
• M19: 15,696,407 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 8.7

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.45 AU - 2.77 AU

Year: 2812 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,859,612 km

• M1: 108,159 km (0.116 R)
• M2: 544,835 km (0.085 R)
• M3: 1,454,839 km (0.107 R)
• M4: 1,872,068 km (0.095 R)
• M5: 3,373,731 km (0.108 R)
• M6: 4,757,811 km (0.076 R)
• M7: 5,446,858 km (0.101 R)
• M8: 6,720,984 km (0.053 R)
• M9: 7,459,698 km (0.102 R)
• M10: 9,655,795 km (0.04 R)
• M11: 10,118,351 km (0.118 R)
• M12: 11,638,116 km (0.094 R)
• M13: 14,566,345 km (0.097 R)
• M14: 14,970,259 km (0.05 R)
• M15: 15,747,869 km (0.114 R)
• M16: 17,552,767 km (0.095 R)
• M17: 18,417,143 km (0.063 R)
• M18: 20,797,246 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 10.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.54 AU - 2.68 AU

Year: 2812 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,859,612 km

• M1: 128,056 km (0.027 R)
• M2: 459,116 km (0.072 R)
• M3: 952,490 km (0.074 R)
• M4: 1,478,027 km (0.118 R)
• M5: 1,938,190 km (0.095 R)
• M6: 2,269,549 km (0.06 R)
• M7: 3,879,222 km (0.114 R)
• M8: 4,584,726 km (0.058 R)
• M9: 5,109,066 km (0.105 R)
• M10: 5,672,901 km (0.054 R)
• M11: 6,062,603 km (0.102 R)
• M12: 6,638,256 km (0.084 R)
• M13: 7,835,637 km (0.107 R)
• M14: 9,031,373 km (0.118 R)
• M15: 9,709,500 km (0.041 R)
• M16: 10,382,990 km (0.07 R)
• M17: 11,781,281 km (0.1 R)
• M18: 12,722,252 km (0.099 R)
• M19: 13,666,513 km (0.116 R)
• M20: 14,132,212 km (0.109 R)
• M21: 14,560,361 km (0.107 R)
• M22: 19,100,058 km (0.06 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 18,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit