🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.59 AU - 0.85 AU

Year: 429 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,622,540 km

• M1: 114,891 km (0.108 R)
• M2: 433,385 km (0.081 R)
• M3: 1,455,587 km (0.097 R)
• M4: 2,558,572 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 13.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.73 AU - 0.77 AU

Year: 457 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,622,540 km

• M1: 169,195 km (0.118 R)
• M2: 596,447 km (0.106 R)
• M3: 1,256,622 km (0.077 R)
• M4: 1,688,062 km (0.086 R)
• M5: 2,511,150 km (0.091 R)
• M6: 3,120,612 km (0.1 R)
• M7: 3,632,835 km (0.082 R)
• M8: 4,251,272 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.99 AU - 0.99 AU

Year: 692 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,622,540 km

• M1: 151,692 km (0.112 R)
• M2: 536,608 km (0.117 R)
• M3: 1,182,571 km (0.096 R)
• M4: 1,794,127 km (0.094 R)
• M5: 3,712,271 km (0.051 R)
• M6: 4,754,968 km (0.11 R)
• M7: 5,154,694 km (0.038 R)
• M8: 5,631,013 km (0.085 R)
• M9: 6,040,912 km (0.038 R)
• M10: 6,571,236 km (0.105 R)
• M11: 7,218,247 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 10.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 778 Days

Day: 9.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,622,540 km

• M1: 132,993 km (0.07 R)
• M2: 465,698 km (0.108 R)
• M3: 853,605 km (0.089 R)
• M4: 1,226,553 km (0.068 R)
• M5: 1,646,175 km (0.09 R)
• M6: 2,085,694 km (0.072 R)
• M7: 2,624,695 km (0.068 R)
• M8: 3,066,906 km (0.101 R)
• M9: 3,823,722 km (0.07 R)
• M10: 4,162,710 km (0.096 R)
• M11: 4,667,753 km (0.063 R)
• M12: 5,090,516 km (0.078 R)
• M13: 5,706,560 km (0.103 R)
• M14: 6,190,659 km (0.069 R)
• M15: 6,701,985 km (0.055 R)
• M16: 7,419,905 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 8.5

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.03 AU - 1.31 AU

Year: 890 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,622,540 km

• M1: 105,766 km (0.057 R)
• M2: 461,210 km (0.082 R)
• M3: 900,878 km (0.113 R)
• M4: 1,215,782 km (0.12 R)
• M5: 1,621,043 km (0.091 R)
• M6: 1,902,287 km (0.114 R)
• M7: 2,496,938 km (0.055 R)
• M8: 2,937,504 km (0.115 R)
• M9: 3,542,478 km (0.11 R)
• M10: 3,959,257 km (0.075 R)
• M11: 4,509,029 km (0.036 R)
• M12: 4,855,648 km (0.11 R)
• M13: 6,024,007 km (0.105 R)
• M14: 8,959,117 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 12.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.08 AU - 2.08 AU

Year: 2109 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,622,540 km

• M1: 157,975 km (0.108 R)
• M2: 651,050 km (0.085 R)
• M3: 1,259,165 km (0.087 R)
• M4: 1,682,677 km (0.096 R)
• M5: 2,528,802 km (0.044 R)
• M6: 2,935,110 km (0.116 R)
• M7: 3,385,400 km (0.1 R)
• M8: 3,852,893 km (0.05 R)
• M9: 6,918,602 km (0.033 R)
• M10: 7,493,357 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 11

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.38 AU - 5.62 AU

Year: 7859 Days

Day: 14.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,622,540 km

• M1: 136,882 km (0.035 R)
• M2: 803,341 km (0.103 R)
• M3: 1,286,242 km (0.079 R)
• M4: 2,210,009 km (0.081 R)
• M5: 2,590,287 km (0.112 R)
• M6: 3,881,466 km (0.112 R)
• M7: 4,308,419 km (0.027 R)
• M8: 4,964,555 km (0.11 R)
• M9: 5,974,041 km (0.11 R)
• M10: 9,509,937 km (0.106 R)
• M11: 11,716,804 km (0.118 R)
• M12: 13,049,572 km (0.088 R)
• M13: 13,553,417 km (0.075 R)
• M14: 16,269,516 km (0.044 R)
• M15: 19,114,419 km (0.115 R)
• M16: 23,157,750 km (0.096 R)
• M17: 23,566,302 km (0.12 R)
• M18: 26,296,763 km (0.025 R)
• M19: 31,972,655 km (0.074 R)
• M20: 34,561,147 km (0.082 R)
• M21: 35,310,184 km (0.036 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: 211 - 19,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit