🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.2

Radius: 11.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.85 AU

Year: 418 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,458,467 km

• M1: 141,819 km (0.045 R)
• M2: 578,196 km (0.111 R)
• M3: 1,167,462 km (0.107 R)
• M4: 1,803,552 km (0.112 R)
• M5: 2,168,122 km (0.114 R)
• M6: 2,534,936 km (0.118 R)
• M7: 4,222,998 km (0.112 R)
• M8: 4,640,975 km (0.084 R)
• M9: 5,304,292 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 14.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.77 AU - 0.93 AU

Year: 514 Days

Day: 5.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,458,467 km

• M1: 176,525 km (0.09 R)
• M2: 679,025 km (0.12 R)
• M3: 1,196,633 km (0.088 R)
• M4: 2,039,019 km (0.078 R)
• M5: 2,520,874 km (0.111 R)
• M6: 3,068,851 km (0.115 R)
• M7: 3,903,308 km (0.056 R)
• M8: 5,001,506 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 13.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1 AU - 1.28 AU

Year: 798 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 11,458,467 km

• M1: 171,589 km (0.068 R)
• M2: 791,074 km (0.05 R)
• M3: 1,264,252 km (0.094 R)
• M4: 1,853,518 km (0.115 R)
• M5: 2,422,738 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 14.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.99 AU - 1.63 AU

Year: 984 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,458,467 km

• M1: 178,470 km (0.115 R)
• M2: 661,223 km (0.111 R)
• M3: 1,189,303 km (0.069 R)
• M4: 2,149,123 km (0.057 R)
• M5: 2,661,945 km (0.051 R)
• M6: 3,415,319 km (0.104 R)
• M7: 3,955,816 km (0.102 R)
• M8: 4,411,492 km (0.08 R)
• M9: 5,739,322 km (0.118 R)
• M10: 6,507,956 km (0.085 R)
• M11: 8,745,791 km (0.059 R)
• M12: 9,644,575 km (0.116 R)
• M13: 10,413,508 km (0.106 R)
• M14: 10,894,315 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 13

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.34 AU - 1.6 AU

Year: 1169 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,458,467 km

• M1: 161,715 km (0.061 R)
• M2: 681,418 km (0.106 R)
• M3: 1,241,214 km (0.104 R)
• M4: 1,766,751 km (0.075 R)
• M5: 2,338,664 km (0.106 R)
• M6: 3,844,366 km (0.106 R)
• M7: 4,963,358 km (0.117 R)
• M8: 6,421,937 km (0.081 R)
• M9: 6,856,968 km (0.103 R)
• M10: 7,559,031 km (0.083 R)
• M11: 9,836,060 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 12.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.74 AU - 2.26 AU

Year: 1855 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,458,467 km

• M1: 157,975 km (0.09 R)
• M2: 650,751 km (0.091 R)
• M3: 1,352,664 km (0.037 R)
• M4: 2,033,633 km (0.074 R)
• M5: 2,796,134 km (0.108 R)
• M6: 3,210,670 km (0.094 R)
• M7: 3,879,222 km (0.084 R)
• M8: 4,500,203 km (0.041 R)
• M9: 5,879,346 km (0.032 R)
• M10: 7,377,868 km (0.114 R)
• M11: 9,513,078 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 8.1

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.55 AU - 2.55 AU

Year: 1925 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,458,467 km

• M1: 103,821 km (0.066 R)
• M2: 372,050 km (0.105 R)
• M3: 719,117 km (0.108 R)
• M4: 1,257,520 km (0.096 R)
• M5: 1,529,040 km (0.094 R)
• M6: 2,063,403 km (0.104 R)
• M7: 2,351,379 km (0.081 R)
• M8: 3,148,437 km (0.113 R)
• M9: 3,672,029 km (0.083 R)
• M10: 4,269,673 km (0.115 R)
• M11: 5,185,511 km (0.111 R)
• M12: 5,511,335 km (0.082 R)
• M13: 6,136,654 km (0.109 R)
• M14: 6,904,839 km (0.037 R)
• M15: 9,002,650 km (0.11 R)
• M16: 10,466,615 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 10,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit