🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 15

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.73 AU - 0.77 AU

Year: 441 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,878,691 km

• M1: 186,549 km (0.063 R)
• M2: 721,211 km (0.112 R)
• M3: 1,214,884 km (0.12 R)
• M4: 2,113,818 km (0.072 R)
• M5: 2,893,821 km (0.088 R)
• M6: 3,754,458 km (0.074 R)
• M7: 4,317,544 km (0.115 R)
• M8: 4,984,601 km (0.062 R)
• M9: 5,843,442 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 8.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.64 AU - 1.04 AU

Year: 522 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,878,691 km

• M1: 103,223 km (0.117 R)
• M2: 455,376 km (0.055 R)
• M3: 739,013 km (0.047 R)
• M4: 1,181,973 km (0.117 R)
• M5: 1,883,886 km (0.098 R)
• M6: 2,292,139 km (0.084 R)
• M7: 3,089,196 km (0.08 R)
• M8: 3,400,060 km (0.058 R)
• M9: 3,695,367 km (0.101 R)
• M10: 3,969,280 km (0.098 R)
• M11: 4,474,772 km (0.109 R)
• M12: 4,786,533 km (0.064 R)
• M13: 5,127,916 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 13.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.77 AU - 1.23 AU

Year: 678 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,878,691 km

• M1: 164,258 km (0.108 R)
• M2: 648,208 km (0.027 R)
• M3: 1,112,260 km (0.089 R)
• M4: 1,577,210 km (0.113 R)
• M5: 2,210,608 km (0.105 R)
• M6: 2,656,260 km (0.056 R)
• M7: 3,420,256 km (0.086 R)
• M8: 4,050,213 km (0.025 R)
• M9: 4,537,752 km (0.109 R)
• M10: 4,949,595 km (0.115 R)
• M11: 5,721,819 km (0.076 R)
• M12: 6,793,688 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 9.1

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.13 AU - 1.67 AU

Year: 1124 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,878,691 km

• M1: 113,395 km (0.094 R)
• M2: 414,685 km (0.101 R)
• M3: 753,225 km (0.1 R)
• M4: 1,258,567 km (0.114 R)
• M5: 1,828,385 km (0.062 R)
• M6: 2,537,030 km (0.118 R)
• M7: 3,002,579 km (0.085 R)
• M8: 3,463,340 km (0.116 R)
• M9: 4,224,943 km (0.117 R)
• M10: 4,544,783 km (0.093 R)
• M11: 8,955,078 km (0.098 R)
• M12: 9,605,380 km (0.087 R)
• M13: 11,368,989 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 9.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.06 AU - 4.24 AU

Year: 4730 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,878,691 km

• M1: 119,379 km (0.1 R)
• M2: 608,863 km (0.065 R)
• M3: 1,546,543 km (0.085 R)
• M4: 1,936,245 km (0.084 R)
• M5: 2,282,265 km (0.081 R)
• M6: 2,602,255 km (0.108 R)
• M7: 3,333,789 km (0.082 R)
• M8: 4,290,467 km (0.092 R)
• M9: 4,655,336 km (0.102 R)
• M10: 5,174,291 km (0.076 R)
• M11: 5,588,528 km (0.044 R)
• M12: 7,265,819 km (0.109 R)
• M13: 7,821,575 km (0.081 R)
• M14: 8,707,942 km (0.064 R)
• M15: 10,332,276 km (0.073 R)
• M16: 11,769,912 km (0.09 R)
• M17: 13,234,774 km (0.117 R)
• M18: 14,762,916 km (0.08 R)
• M19: 16,055,891 km (0.08 R)
• M20: 17,240,407 km (0.071 R)
• M21: 19,059,816 km (0.076 R)
• M22: 21,142,667 km (0.09 R)
• M23: 21,988,194 km (0.096 R)
• M24: 23,224,321 km (0.108 R)
• M25: 26,638,294 km (0.114 R)
• M26: 27,210,656 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.81 AU - 4.59 AU

Year: 5838 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,878,691 km

• M1: 99,483 km (0.099 R)
• M2: 448,046 km (0.098 R)
• M3: 826,079 km (0.117 R)
• M4: 1,322,595 km (0.12 R)
• M5: 1,650,065 km (0.071 R)
• M6: 1,967,810 km (0.076 R)
• M7: 2,229,457 km (0.071 R)
• M8: 2,484,821 km (0.097 R)
• M9: 3,123,454 km (0.067 R)
• M10: 3,463,191 km (0.098 R)
• M11: 3,807,565 km (0.088 R)
• M12: 5,295,316 km (0.059 R)
• M13: 5,623,534 km (0.052 R)
• M14: 6,100,601 km (0.081 R)
• M15: 6,896,013 km (0.111 R)
• M16: 8,760,900 km (0.09 R)
• M17: 9,365,874 km (0.118 R)
• M18: 11,389,634 km (0.031 R)
• M19: 14,259,968 km (0.046 R)
• M20: 15,348,742 km (0.094 R)
• M21: 15,758,041 km (0.103 R)
• M22: 16,705,744 km (0.049 R)
• M23: 18,541,160 km (0.097 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: 513 - 14,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit