🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,465,672 km

• M1: 99,483 km (0.102 R)
• M2: 387,159 km (0.114 R)
• M3: 700,417 km (0.118 R)
• M4: 1,184,815 km (0.08 R)
• M5: 1,708,258 km (0.102 R)
• M6: 1,969,456 km (0.092 R)
• M7: 2,235,591 km (0.078 R)
• M8: 2,541,668 km (0.108 R)
• M9: 3,182,695 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 8

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.51 AU - 0.83 AU

Year: 366 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,465,672 km

• M1: 100,380 km (0.092 R)
• M2: 429,346 km (0.059 R)
• M3: 950,096 km (0.042 R)
• M4: 1,212,940 km (0.119 R)
• M5: 1,479,074 km (0.078 R)
• M6: 1,875,209 km (0.093 R)
• M7: 2,305,004 km (0.103 R)
• M8: 2,581,910 km (0.049 R)
• M9: 2,870,783 km (0.099 R)
• M10: 3,573,744 km (0.026 R)
• M11: 4,195,921 km (0.063 R)
• M12: 4,814,359 km (0.11 R)
• M13: 5,084,383 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 9.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 442 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,465,672 km

• M1: 116,836 km (0.087 R)
• M2: 512,971 km (0.064 R)
• M3: 1,103,135 km (0.082 R)
• M4: 1,642,285 km (0.052 R)
• M5: 2,043,208 km (0.114 R)
• M6: 2,364,544 km (0.082 R)
• M7: 2,878,861 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.9

Radius: 14.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.04 AU - 1.44 AU

Year: 921 Days

Day: 8.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,465,672 km

• M1: 181,761 km (0.075 R)
• M2: 655,837 km (0.1 R)
• M3: 1,221,467 km (0.109 R)
• M4: 1,933,104 km (0.043 R)
• M5: 2,402,841 km (0.112 R)
• M6: 2,861,508 km (0.092 R)
• M7: 3,759,245 km (0.071 R)
• M8: 4,434,380 km (0.065 R)
• M9: 6,307,196 km (0.115 R)
• M10: 6,958,096 km (0.028 R)
• M11: 7,530,458 km (0.111 R)
• M12: 8,608,161 km (0.103 R)
• M13: 10,052,229 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 8.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.19 AU - 2.45 AU

Year: 2356 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,465,672 km

• M1: 108,159 km (0.061 R)
• M2: 411,843 km (0.106 R)
• M3: 690,544 km (0.066 R)
• M4: 1,725,163 km (0.057 R)
• M5: 2,049,790 km (0.11 R)
• M6: 2,975,651 km (0.06 R)
• M7: 3,378,518 km (0.079 R)
• M8: 4,516,210 km (0.07 R)
• M9: 6,242,570 km (0.062 R)
• M10: 7,584,163 km (0.104 R)
• M11: 8,369,552 km (0.069 R)
• M12: 8,749,680 km (0.027 R)
• M13: 9,141,477 km (0.109 R)
• M14: 9,960,226 km (0.067 R)
• M15: 12,751,124 km (0.069 R)
• M16: 13,043,588 km (0.075 R)
• M17: 15,031,594 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 10.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.9 AU - 2.92 AU

Year: 3310 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,465,672 km

• M1: 129,851 km (0.084 R)
• M2: 452,683 km (0.104 R)
• M3: 777,909 km (0.119 R)
• M4: 1,312,721 km (0.052 R)
• M5: 1,649,167 km (0.051 R)
• M6: 2,206,569 km (0.086 R)
• M7: 2,544,361 km (0.098 R)
• M8: 3,517,495 km (0.044 R)
• M9: 3,943,250 km (0.091 R)
• M10: 4,657,131 km (0.089 R)
• M11: 6,693,906 km (0.074 R)
• M12: 7,088,396 km (0.068 R)
• M13: 8,333,798 km (0.087 R)
• M14: 8,991,879 km (0.078 R)
• M15: 9,333,710 km (0.114 R)
• M16: 9,719,673 km (0.074 R)
• M17: 11,019,379 km (0.087 R)
• M18: 11,731,166 km (0.06 R)
• M19: 12,098,429 km (0.102 R)
• M20: 12,685,151 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 11

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.7 AU - 4.06 AU

Year: 5097 Days

Day: 9.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,465,672 km

• M1: 138,827 km (0.102 R)
• M2: 620,981 km (0.119 R)
• M3: 1,691,802 km (0.049 R)
• M4: 2,269,848 km (0.055 R)
• M5: 2,899,207 km (0.099 R)
• M6: 4,429,144 km (0.066 R)
• M7: 5,355,753 km (0.106 R)
• M8: 5,927,367 km (0.107 R)
• M9: 7,664,647 km (0.117 R)
• M10: 8,041,634 km (0.118 R)
• M11: 9,502,606 km (0.052 R)
• M12: 10,896,260 km (0.088 R)
• M13: 11,815,389 km (0.087 R)
• M14: 13,752,233 km (0.116 R)
• M15: 14,999,580 km (0.119 R)
• M16: 16,694,374 km (0.068 R)
• M17: 21,409,849 km (0.078 R)
• M18: 21,932,993 km (0.07 R)
• M19: 23,711,861 km (0.12 R)
• M20: 25,087,264 km (0.096 R)
• M21: 26,174,242 km (0.026 R)
• M22: 27,292,486 km (0.113 R)
• M23: 28,263,376 km (0.084 R)
• M24: 33,166,596 km (0.119 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: 373 - 13,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit