🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 10.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.97 AU - 1.17 AU

Year: 738 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,594,185 km

• M1: 126,859 km (0.119 R)
• M2: 508,034 km (0.109 R)
• M3: 907,012 km (0.059 R)
• M4: 1,556,416 km (0.1 R)
• M5: 2,162,437 km (0.112 R)
• M6: 2,641,300 km (0.103 R)
• M7: 2,982,084 km (0.101 R)
• M8: 3,366,102 km (0.073 R)
• M9: 3,873,687 km (0.092 R)
• M10: 4,381,871 km (0.055 R)
• M11: 4,880,182 km (0.12 R)
• M12: 5,302,048 km (0.064 R)
• M13: 5,629,517 km (0.083 R)
• M14: 6,073,225 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 14.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.89 AU - 1.37 AU

Year: 801 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,594,185 km

• M1: 185,352 km (0.116 R)
• M2: 965,056 km (0.032 R)
• M3: 1,554,771 km (0.11 R)
• M4: 2,074,324 km (0.043 R)
• M5: 2,862,406 km (0.084 R)
• M6: 3,581,822 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 10.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.98 AU - 1.52 AU

Year: 932 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,594,185 km

• M1: 145,559 km (0.118 R)
• M2: 677,529 km (0.05 R)
• M3: 1,186,012 km (0.075 R)
• M4: 1,957,937 km (0.066 R)
• M5: 4,069,960 km (0.084 R)
• M6: 4,407,004 km (0.108 R)
• M7: 4,885,567 km (0.057 R)
• M8: 5,648,666 km (0.083 R)
• M9: 6,382,743 km (0.075 R)
• M10: 7,577,431 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 9.8

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.43 AU - 3.07 AU

Year: 3041 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,594,185 km

• M1: 121,922 km (0.097 R)
• M2: 430,243 km (0.11 R)
• M3: 766,091 km (0.108 R)
• M4: 2,296,178 km (0.105 R)
• M5: 2,632,324 km (0.043 R)
• M6: 3,583,767 km (0.029 R)
• M7: 3,921,559 km (0.108 R)
• M8: 4,639,928 km (0.044 R)
• M9: 5,467,952 km (0.114 R)
• M10: 6,364,342 km (0.098 R)
• M11: 10,677,698 km (0.115 R)
• M12: 11,421,049 km (0.111 R)
• M13: 11,744,330 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 10.6

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.9 AU - 4.44 AU

Year: 4688 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,594,185 km

• M1: 133,591 km (0.085 R)
• M2: 472,430 km (0.062 R)
• M3: 980,614 km (0.118 R)
• M4: 1,323,044 km (0.067 R)
• M5: 1,922,033 km (0.083 R)
• M6: 2,308,594 km (0.084 R)
• M7: 2,911,773 km (0.096 R)
• M8: 3,384,053 km (0.107 R)
• M9: 4,188,292 km (0.093 R)
• M10: 4,559,145 km (0.091 R)
• M11: 6,821,513 km (0.119 R)
• M12: 7,196,854 km (0.118 R)
• M13: 7,622,012 km (0.05 R)
• M14: 8,601,130 km (0.047 R)
• M15: 10,268,398 km (0.088 R)
• M16: 10,762,370 km (0.111 R)
• M17: 12,141,214 km (0.088 R)
• M18: 13,263,198 km (0.117 R)
• M19: 14,286,597 km (0.058 R)
• M20: 14,846,093 km (0.075 R)
• M21: 16,612,395 km (0.095 R)
• M22: 20,277,094 km (0.08 R)
• M23: 22,898,497 km (0.08 R)
• M24: 24,290,356 km (0.112 R)
• M25: 25,168,346 km (0.096 R)
• M26: 26,987,456 km (0.072 R)
• M27: 30,059,747 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 15

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.03 AU - 4.79 AU

Year: 5156 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,594,185 km

• M1: 186,549 km (0.079 R)
• M2: 819,497 km (0.113 R)
• M3: 1,405,023 km (0.095 R)
• M4: 1,943,875 km (0.07 R)
• M5: 2,719,390 km (0.111 R)
• M6: 3,189,875 km (0.063 R)
• M7: 4,321,583 km (0.045 R)
• M8: 5,874,409 km (0.067 R)
• M9: 9,034,365 km (0.032 R)
• M10: 9,733,585 km (0.117 R)
• M11: 10,594,671 km (0.115 R)
• M12: 11,152,970 km (0.1 R)
• M13: 11,821,523 km (0.118 R)
• M14: 12,946,649 km (0.116 R)
• M15: 14,819,913 km (0.082 R)
• M16: 15,960,298 km (0.102 R)
• M17: 16,925,802 km (0.042 R)
• M18: 17,690,247 km (0.108 R)
• M19: 18,232,689 km (0.067 R)
• M20: 20,121,961 km (0.12 R)
• M21: 20,647,199 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 5.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.98 AU - 11.58 AU

Year: 20396 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,594,185 km

• M1: 247,884 km (0.094 R)
• M2: 449,242 km (0.101 R)
• M3: 721,361 km (0.106 R)
• M4: 2,018,524 km (0.062 R)
• M5: 2,722,532 km (0.068 R)
• M6: 3,436,113 km (0.071 R)
• M7: 4,348,960 km (0.1 R)
• M8: 6,603,998 km (0.112 R)
• M9: 10,548,146 km (0.111 R)
• M10: 17,725,403 km (0.1 R)
• M11: 19,246,664 km (0.104 R)
• M12: 20,307,911 km (0.094 R)
• M13: 21,809,724 km (0.071 R)
• M14: 22,463,766 km (0.117 R)
• M15: 30,037,906 km (0.104 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: 310 - 18,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit