🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 12.8

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,337,976 km

• M1: 159,172 km (0.104 R)
• M2: 576,550 km (0.116 R)
• M3: 999,912 km (0.101 R)
• M4: 1,496,278 km (0.044 R)
• M5: 2,149,123 km (0.095 R)
• M6: 2,595,224 km (0.058 R)
• M7: 3,428,185 km (0.114 R)
• M8: 4,322,182 km (0.112 R)
• M9: 5,334,361 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 11.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.9 AU - 1.04 AU

Year: 637 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,337,976 km

• M1: 140,622 km (0.083 R)
• M2: 538,403 km (0.116 R)
• M3: 1,113,607 km (0.071 R)
• M4: 1,728,454 km (0.076 R)
• M5: 2,085,993 km (0.102 R)
• M6: 3,350,693 km (0.054 R)
• M7: 3,869,947 km (0.095 R)
• M8: 6,525,609 km (0.106 R)
• M9: 7,157,211 km (0.093 R)
• M10: 8,316,445 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 12.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.21 AU - 1.39 AU

Year: 988 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,337,976 km

• M1: 152,141 km (0.115 R)
• M2: 561,291 km (0.087 R)
• M3: 996,172 km (0.115 R)
• M4: 1,504,805 km (0.094 R)
• M5: 2,109,480 km (0.103 R)
• M6: 2,942,291 km (0.081 R)
• M7: 3,415,469 km (0.099 R)
• M8: 3,796,345 km (0.103 R)
• M9: 4,220,904 km (0.092 R)
• M10: 4,693,633 km (0.08 R)
• M11: 5,469,298 km (0.062 R)
• M12: 5,878,598 km (0.109 R)
• M13: 6,409,072 km (0.062 R)
• M14: 7,771,909 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 10.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.13 AU - 1.67 AU

Year: 1105 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,337,976 km

• M1: 128,056 km (0.089 R)
• M2: 734,974 km (0.082 R)
• M3: 1,520,064 km (0.115 R)
• M4: 1,935,198 km (0.081 R)
• M5: 3,068,103 km (0.1 R)
• M6: 3,453,168 km (0.104 R)
• M7: 3,954,321 km (0.104 R)
• M8: 4,357,038 km (0.045 R)
• M9: 5,102,933 km (0.12 R)
• M10: 5,432,647 km (0.072 R)
• M11: 5,909,265 km (0.116 R)
• M12: 6,366,736 km (0.092 R)
• M13: 6,773,941 km (0.099 R)
• M14: 7,882,461 km (0.109 R)
• M15: 9,258,014 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 12.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.58 AU - 3.54 AU

Year: 3570 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 159.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,337,976 km

• M1: 157,975 km (0.119 R)
• M2: 796,010 km (0.103 R)
• M3: 1,366,427 km (0.06 R)
• M4: 2,106,488 km (0.109 R)
• M5: 3,652,582 km (0.108 R)
• M6: 4,360,928 km (0.103 R)
• M7: 4,809,272 km (0.09 R)
• M8: 5,580,150 km (0.099 R)
• M9: 8,903,766 km (0.051 R)
• M10: 11,906,943 km (0.057 R)
• M11: 14,731,351 km (0.061 R)
• M12: 17,856,600 km (0.036 R)
• M13: 22,701,028 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.6

Radius: 3.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.63 AU - 12.23 AU

Year: 20867 Days

Day: 16.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,337,976 km

• M1: 55,351 km (0.034 R)
• M2: 267,631 km (0.099 R)
• M3: 848,370 km (0.116 R)
• M4: 1,323,193 km (0.097 R)
• M5: 1,685,220 km (0.029 R)
• M6: 2,125,786 km (0.12 R)
• M7: 2,477,191 km (0.099 R)
• M8: 3,602,616 km (0.101 R)
• M9: 4,806,879 km (0.109 R)
• M10: 7,781,782 km (0.11 R)
• M11: 13,979,921 km (0.105 R)
• M12: 17,383,572 km (0.031 R)
• M13: 19,769,209 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.9

Radius: 3.8

Gravity: 42.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.93 AU - 12.49 AU

Year: 21755 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,337,976 km

• M1: 78,539 km (0.092 R)
• M2: 282,890 km (0.055 R)
• M3: 468,690 km (0.099 R)
• M4: 837,000 km (0.077 R)
• M5: 1,129,165 km (0.117 R)
• M6: 1,707,809 km (0.096 R)
• M7: 2,031,539 km (0.119 R)
• M8: 2,875,720 km (0.107 R)
• M9: 3,593,640 km (0.069 R)
• M10: 5,531,680 km (0.083 R)
• M11: 6,235,389 km (0.095 R)
• M12: 6,453,203 km (0.076 R)
• M13: 8,226,387 km (0.12 R)
• M14: 9,196,230 km (0.072 R)
• M15: 9,593,113 km (0.115 R)
• M16: 10,239,825 km (0.072 R)
• M17: 10,360,401 km (0.095 R)
• M18: 10,727,963 km (0.034 R)
• M19: 11,359,714 km (0.097 R)
• M20: 11,816,586 km (0.054 R)
• M21: 15,520,929 km (0.059 R)
• M22: 20,883,713 km (0.099 R)
• M23: 24,781,336 km (0.085 R)
• M24: 25,217,863 km (0.104 R)
• M25: 29,623,071 km (0.105 R)
• M26: 32,135,418 km (0.119 R)
• M27: 33,443,053 km (0.112 R)
• M28: 37,008,568 km (0.095 R)
• M29: 38,736,424 km (0.108 R)
• M30: 49,037,135 km (0.089 R)
• M31: 49,208,424 km (0.065 R)
• M32: 51,119,088 km (0.065 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit