🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 13.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 337 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,232,412 km

• M1: 170,841 km (0.081 R)
• M2: 620,532 km (0.101 R)
• M3: 1,095,655 km (0.109 R)
• M4: 1,706,313 km (0.085 R)
• M5: 2,594,027 km (0.044 R)
• M6: 3,583,617 km (0.074 R)
• M7: 4,027,324 km (0.063 R)
• M8: 4,589,363 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 12.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.02 AU - 1.08 AU

Year: 743 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,232,412 km

• M1: 162,463 km (0.049 R)
• M2: 895,642 km (0.079 R)
• M3: 1,705,565 km (0.05 R)
• M4: 2,235,890 km (0.096 R)
• M5: 3,084,858 km (0.087 R)
• M6: 3,850,948 km (0.047 R)
• M7: 5,035,913 km (0.113 R)
• M8: 5,569,230 km (0.12 R)
• M9: 6,119,899 km (0.083 R)
• M10: 6,859,062 km (0.086 R)
• M11: 7,751,862 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 14

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.15 AU - 2.29 AU

Year: 2283 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 58.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,232,412 km

• M1: 174,132 km (0.049 R)
• M2: 1,548,488 km (0.075 R)
• M3: 2,251,598 km (0.067 R)
• M4: 3,114,777 km (0.113 R)
• M5: 3,718,704 km (0.083 R)
• M6: 4,843,829 km (0.097 R)
• M7: 6,135,757 km (0.071 R)
• M8: 6,588,440 km (0.111 R)
• M9: 7,964,441 km (0.099 R)
• M10: 9,360,040 km (0.084 R)
• M11: 10,202,724 km (0.064 R)
• M12: 11,022,222 km (0.056 R)
• M13: 11,885,252 km (0.114 R)
• M14: 15,241,330 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 14.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.83 AU - 2.75 AU

Year: 2392 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,232,412 km

• M1: 182,509 km (0.104 R)
• M2: 766,091 km (0.112 R)
• M3: 1,259,315 km (0.105 R)
• M4: 1,948,512 km (0.081 R)
• M5: 2,502,922 km (0.114 R)
• M6: 2,979,092 km (0.094 R)
• M7: 3,838,382 km (0.092 R)
• M8: 6,185,423 km (0.096 R)
• M9: 6,716,496 km (0.11 R)
• M10: 7,187,280 km (0.09 R)
• M11: 9,920,284 km (0.1 R)
• M12: 10,377,305 km (0.106 R)
• M13: 12,967,592 km (0.108 R)
• M14: 13,654,097 km (0.102 R)
• M15: 14,607,035 km (0.064 R)
• M16: 17,347,070 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 10.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.09 AU - 2.51 AU

Year: 2408 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,232,412 km

• M1: 134,638 km (0.101 R)
• M2: 709,094 km (0.033 R)
• M3: 2,764,120 km (0.106 R)
• M4: 3,201,694 km (0.09 R)
• M5: 4,687,500 km (0.1 R)
• M6: 5,683,821 km (0.049 R)
• M7: 6,960,041 km (0.094 R)
• M8: 8,092,048 km (0.084 R)
• M9: 9,811,526 km (0.109 R)
• M10: 11,721,143 km (0.107 R)
• M11: 12,224,240 km (0.059 R)
• M12: 15,253,298 km (0.09 R)
• M13: 16,417,170 km (0.059 R)
• M14: 18,022,953 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.9

Radius: 9.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.39 AU - 3.65 AU

Year: 3623 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,232,412 km

• M1: 113,246 km (0.111 R)
• M2: 484,697 km (0.094 R)
• M3: 905,067 km (0.054 R)
• M4: 1,286,841 km (0.057 R)
• M5: 1,762,562 km (0.107 R)
• M6: 2,906,836 km (0.088 R)
• M7: 3,291,602 km (0.094 R)
• M8: 5,260,609 km (0.118 R)
• M9: 5,749,645 km (0.043 R)
• M10: 6,478,934 km (0.116 R)
• M11: 8,050,310 km (0.058 R)
• M12: 11,836,932 km (0.098 R)
• M13: 14,217,183 km (0.109 R)
• M14: 14,633,963 km (0.075 R)
• M15: 17,426,656 km (0.089 R)
• M16: 18,268,144 km (0.1 R)
• M17: 19,010,748 km (0.102 R)
• M18: 20,888,351 km (0.052 R)
• M19: 22,044,892 km (0.08 R)
• M20: 22,674,100 km (0.11 R)
• M21: 23,100,155 km (0.059 R)
• M22: 24,484,983 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 14.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.4 AU - 5.02 AU

Year: 5963 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,232,412 km

• M1: 179,817 km (0.034 R)
• M2: 794,963 km (0.084 R)
• M3: 1,311,076 km (0.032 R)
• M4: 1,767,499 km (0.114 R)
• M5: 2,242,622 km (0.113 R)
• M6: 2,804,212 km (0.095 R)
• M7: 3,664,699 km (0.115 R)
• M8: 4,123,665 km (0.09 R)
• M9: 4,596,544 km (0.025 R)
• M10: 5,132,105 km (0.088 R)
• M11: 6,736,392 km (0.079 R)
• M12: 7,328,201 km (0.095 R)
• M13: 7,990,321 km (0.107 R)
• M14: 9,475,230 km (0.088 R)
• M15: 12,396,876 km (0.104 R)
• M16: 13,440,770 km (0.09 R)
• M17: 17,165,308 km (0.087 R)
• M18: 19,231,554 km (0.099 R)
• M19: 20,493,861 km (0.097 R)
• M20: 21,389,055 km (0.036 R)
• M21: 26,421,378 km (0.119 R)
• M22: 27,234,592 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 17,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit