🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.7

Radius: 13

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.39 AU - 0.65 AU

Year: 250 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,667,979 km

• M1: 161,715 km (0.095 R)
• M2: 730,337 km (0.089 R)
• M3: 1,163,273 km (0.059 R)
• M4: 1,851,573 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 13.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.62 AU - 0.9 AU

Year: 442 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,667,979 km

• M1: 164,258 km (0.106 R)
• M2: 578,345 km (0.114 R)
• M3: 1,006,046 km (0.119 R)
• M4: 1,520,064 km (0.076 R)
• M5: 2,039,019 km (0.111 R)
• M6: 2,753,349 km (0.075 R)
• M7: 3,197,206 km (0.082 R)
• M8: 3,972,721 km (0.078 R)
• M9: 4,726,246 km (0.087 R)
• M10: 5,336,754 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 12

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.81 AU - 1.29 AU

Year: 717 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,667,979 km

• M1: 149,299 km (0.112 R)
• M2: 532,120 km (0.084 R)
• M3: 1,546,692 km (0.091 R)
• M4: 2,093,173 km (0.106 R)
• M5: 2,480,931 km (0.089 R)
• M6: 3,380,014 km (0.076 R)
• M7: 3,838,382 km (0.11 R)
• M8: 4,544,335 km (0.089 R)
• M9: 5,072,415 km (0.033 R)
• M10: 6,086,389 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 8.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.86 AU - 2.12 AU

Year: 1872 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,667,979 km

• M1: 109,506 km (0.113 R)
• M2: 485,894 km (0.106 R)
• M3: 795,262 km (0.081 R)
• M4: 1,149,959 km (0.075 R)
• M5: 1,426,864 km (0.05 R)
• M6: 2,168,571 km (0.109 R)
• M7: 2,466,719 km (0.105 R)
• M8: 2,947,676 km (0.036 R)
• M9: 4,021,041 km (0.11 R)
• M10: 4,523,241 km (0.094 R)
• M11: 6,303,905 km (0.074 R)
• M12: 7,945,143 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 13.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.09 AU - 3.21 AU

Year: 2877 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,667,979 km

• M1: 172,935 km (0.063 R)
• M2: 739,013 km (0.047 R)
• M3: 1,175,989 km (0.107 R)
• M4: 1,828,684 km (0.114 R)
• M5: 2,267,904 km (0.092 R)
• M6: 2,794,339 km (0.116 R)
• M7: 3,242,235 km (0.093 R)
• M8: 4,436,325 km (0.052 R)
• M9: 4,886,315 km (0.076 R)
• M10: 5,670,358 km (0.098 R)
• M11: 6,796,082 km (0.111 R)
• M12: 7,396,867 km (0.103 R)
• M13: 8,032,957 km (0.077 R)
• M14: 8,533,811 km (0.116 R)
• M15: 12,250,869 km (0.054 R)
• M16: 12,691,584 km (0.112 R)
• M17: 13,465,304 km (0.054 R)
• M18: 15,308,500 km (0.093 R)
• M19: 16,502,889 km (0.064 R)
• M20: 17,646,864 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 10.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.2 AU - 4.34 AU

Year: 4881 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,667,979 km

• M1: 188,942 km (0.11 R)
• M2: 590,164 km (0.107 R)
• M3: 1,619,397 km (0.091 R)
• M4: 4,758,559 km (0.076 R)
• M5: 5,224,855 km (0.059 R)
• M6: 7,435,164 km (0.075 R)
• M7: 11,626,597 km (0.1 R)
• M8: 14,801,513 km (0.056 R)
• M9: 15,320,468 km (0.059 R)
• M10: 17,346,621 km (0.053 R)
• M11: 18,752,691 km (0.083 R)
• M12: 19,299,173 km (0.092 R)
• M13: 22,191,947 km (0.079 R)
• M14: 22,530,337 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.94 AU - 4.26 AU

Year: 5536 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,667,979 km

• M1: 168,597 km (0.095 R)
• M2: 674,088 km (0.103 R)
• M3: 1,198,429 km (0.11 R)
• M4: 1,652,608 km (0.089 R)
• M5: 2,352,427 km (0.064 R)
• M6: 2,753,648 km (0.063 R)
• M7: 3,221,889 km (0.105 R)
• M8: 3,743,088 km (0.037 R)
• M9: 4,396,681 km (0.105 R)
• M10: 5,654,650 km (0.025 R)
• M11: 8,226,387 km (0.114 R)
• M12: 8,666,205 km (0.109 R)
• M13: 11,545,814 km (0.089 R)
• M14: 12,149,292 km (0.057 R)
• M15: 13,364,924 km (0.067 R)
• M16: 14,143,731 km (0.087 R)
• M17: 15,791,850 km (0.104 R)
• M18: 21,277,604 km (0.106 R)
• M19: 22,494,284 km (0.094 R)
• M20: 27,382,993 km (0.096 R)
• M21: 27,827,448 km (0.085 R)
• M22: 28,548,360 km (0.088 R)
• M23: 29,374,140 km (0.036 R)
• M24: 32,242,530 km (0.078 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: 254 - 12,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit