🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 9.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 5.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,745,182 km

• M1: 114,442 km (0.109 R)
• M2: 412,142 km (0.051 R)
• M3: 801,396 km (0.067 R)
• M4: 1,117,047 km (0.059 R)
• M5: 1,439,730 km (0.083 R)
• M6: 1,795,474 km (0.053 R)
• M7: 2,095,567 km (0.115 R)
• M8: 2,429,320 km (0.087 R)
• M9: 2,718,642 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 11.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,745,182 km

• M1: 148,251 km (0.12 R)
• M2: 528,679 km (0.04 R)
• M3: 924,066 km (0.057 R)
• M4: 1,342,790 km (0.073 R)
• M5: 1,838,109 km (0.072 R)
• M6: 2,796,882 km (0.041 R)
• M7: 3,193,615 km (0.108 R)
• M8: 4,220,306 km (0.059 R)
• M9: 5,114,452 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 10.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,745,182 km

• M1: 134,488 km (0.114 R)
• M2: 472,131 km (0.1 R)
• M3: 794,963 km (0.035 R)
• M4: 1,265,000 km (0.117 R)
• M5: 2,052,632 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 14.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,745,182 km

• M1: 180,415 km (0.072 R)
• M2: 636,240 km (0.082 R)
• M3: 1,160,580 km (0.112 R)
• M4: 1,683,425 km (0.094 R)
• M5: 2,347,340 km (0.106 R)
• M6: 3,764,032 km (0.112 R)
• M7: 5,143,025 km (0.105 R)
• M8: 5,693,396 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 8.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.24 AU - 2.72 AU

Year: 2696 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,745,182 km

• M1: 113,096 km (0.1 R)
• M2: 414,237 km (0.094 R)
• M3: 711,936 km (0.063 R)
• M4: 2,347,191 km (0.04 R)
• M5: 2,787,756 km (0.095 R)
• M6: 3,182,396 km (0.085 R)
• M7: 3,596,034 km (0.061 R)
• M8: 4,103,918 km (0.092 R)
• M9: 4,745,244 km (0.08 R)
• M10: 5,969,254 km (0.099 R)
• M11: 6,792,342 km (0.061 R)
• M12: 7,509,664 km (0.11 R)
• M13: 8,119,275 km (0.083 R)
• M14: 8,761,349 km (0.097 R)
• M15: 9,299,004 km (0.069 R)
• M16: 10,146,775 km (0.116 R)
• M17: 11,199,645 km (0.107 R)
• M18: 12,785,382 km (0.109 R)
• M19: 13,085,176 km (0.117 R)
• M20: 14,194,145 km (0.114 R)
• M21: 15,412,769 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 12.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.74 AU - 3.58 AU

Year: 3877 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,745,182 km

• M1: 157,078 km (0.109 R)
• M2: 714,779 km (0.108 R)
• M3: 1,724,415 km (0.101 R)
• M4: 2,842,808 km (0.088 R)
• M5: 4,030,615 km (0.092 R)
• M6: 4,854,900 km (0.077 R)
• M7: 5,951,003 km (0.11 R)
• M8: 8,454,224 km (0.1 R)
• M9: 9,881,089 km (0.075 R)
• M10: 10,876,812 km (0.059 R)
• M11: 11,677,311 km (0.108 R)
• M12: 15,853,634 km (0.099 R)
• M13: 18,187,960 km (0.09 R)
• M14: 20,870,249 km (0.105 R)
• M15: 21,907,860 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 11

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.64 AU - 3.92 AU

Year: 5073 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,745,182 km

• M1: 136,882 km (0.066 R)
• M2: 675,285 km (0.118 R)
• M3: 1,039,556 km (0.113 R)
• M4: 1,657,544 km (0.104 R)
• M5: 2,256,385 km (0.072 R)
• M6: 2,726,421 km (0.085 R)
• M7: 3,145,146 km (0.04 R)
• M8: 4,021,789 km (0.061 R)
• M9: 8,066,168 km (0.053 R)
• M10: 9,412,848 km (0.114 R)
• M11: 10,033,828 km (0.063 R)
• M12: 10,904,039 km (0.085 R)
• M13: 11,682,696 km (0.12 R)
• M14: 12,498,005 km (0.116 R)
• M15: 13,095,947 km (0.055 R)
• M16: 13,505,097 km (0.093 R)
• M17: 13,975,732 km (0.106 R)
• M18: 15,566,855 km (0.087 R)
• M19: 18,845,891 km (0.1 R)
• M20: 23,521,273 km (0.084 R)
• M21: 27,477,090 km (0.089 R)
• M22: 27,979,739 km (0.086 R)
• M23: 28,573,941 km (0.046 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit