🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 12.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.67 AU - 0.95 AU

Year: 471 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,150,038 km

• M1: 151,692 km (0.027 R)
• M2: 576,101 km (0.088 R)
• M3: 1,068,129 km (0.067 R)
• M4: 1,520,513 km (0.081 R)
• M5: 2,217,340 km (0.093 R)
• M6: 2,818,125 km (0.098 R)
• M7: 3,343,363 km (0.112 R)
• M8: 3,863,365 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 10.9

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.95 AU - 1.01 AU

Year: 626 Days

Day: 5 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,150,038 km

• M1: 135,536 km (0.048 R)
• M2: 517,309 km (0.093 R)
• M3: 920,775 km (0.12 R)
• M4: 1,649,017 km (0.077 R)
• M5: 2,040,066 km (0.1 R)
• M6: 2,762,325 km (0.1 R)
• M7: 3,426,689 km (0.079 R)
• M8: 3,818,934 km (0.115 R)
• M9: 4,367,510 km (0.085 R)
• M10: 4,933,289 km (0.114 R)
• M11: 5,379,988 km (0.062 R)
• M12: 5,912,407 km (0.089 R)
• M13: 6,417,001 km (0.074 R)
• M14: 6,928,476 km (0.117 R)
• M15: 7,489,917 km (0.064 R)
• M16: 7,960,701 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 9.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.06 AU - 1.24 AU

Year: 796 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,150,038 km

• M1: 118,482 km (0.044 R)
• M2: 428,000 km (0.085 R)
• M3: 817,852 km (0.072 R)
• M4: 1,402,779 km (0.094 R)
• M5: 1,793,080 km (0.081 R)
• M6: 2,643,544 km (0.069 R)
• M7: 3,590,050 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 11.7

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.19 AU - 1.67 AU

Year: 1104 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 166.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,150,038 km

• M1: 145,559 km (0.051 R)
• M2: 597,793 km (0.111 R)
• M3: 1,234,182 km (0.115 R)
• M4: 1,872,517 km (0.1 R)
• M5: 2,464,326 km (0.059 R)
• M6: 2,850,737 km (0.08 R)
• M7: 3,277,839 km (0.079 R)
• M8: 4,262,343 km (0.066 R)
• M9: 4,918,928 km (0.081 R)
• M10: 5,620,841 km (0.042 R)
• M11: 7,100,813 km (0.115 R)
• M12: 8,186,295 km (0.102 R)
• M13: 8,768,978 km (0.074 R)
• M14: 9,679,581 km (0.067 R)
• M15: 10,458,986 km (0.091 R)
• M16: 10,880,552 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.59 AU - 1.91 AU

Year: 1495 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,150,038 km

• M1: 167,550 km (0.091 R)
• M2: 997,369 km (0.042 R)
• M3: 1,789,490 km (0.079 R)
• M4: 2,524,464 km (0.086 R)
• M5: 3,085,456 km (0.083 R)
• M6: 4,359,880 km (0.115 R)
• M7: 5,116,696 km (0.053 R)
• M8: 5,775,824 km (0.097 R)
• M9: 7,076,727 km (0.091 R)
• M10: 9,021,799 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 10.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.55 AU - 1.97 AU

Year: 1508 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,150,038 km

• M1: 130,599 km (0.055 R)
• M2: 500,554 km (0.043 R)
• M3: 1,441,675 km (0.119 R)
• M4: 1,833,621 km (0.115 R)
• M5: 2,527,157 km (0.089 R)
• M6: 2,902,199 km (0.072 R)
• M7: 3,595,734 km (0.083 R)
• M8: 4,189,937 km (0.116 R)
• M9: 5,134,648 km (0.109 R)
• M10: 6,856,968 km (0.079 R)
• M11: 9,106,471 km (0.093 R)
• M12: 9,603,435 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 9.2

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.75 AU - 1.89 AU

Year: 1585 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,150,038 km

• M1: 125,064 km (0.101 R)
• M2: 473,776 km (0.112 R)
• M3: 766,689 km (0.108 R)
• M4: 1,382,135 km (0.119 R)
• M5: 3,743,088 km (0.11 R)
• M6: 4,638,731 km (0.071 R)
• M7: 5,786,595 km (0.063 R)
• M8: 6,167,920 km (0.048 R)
• M9: 7,033,793 km (0.073 R)
• M10: 12,934,232 km (0.102 R)
• M11: 13,837,953 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.9

Radius: 11.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.51 AU - 4.07 AU

Year: 3853 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 121.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,150,038 km

• M1: 138,827 km (0.108 R)
• M2: 547,528 km (0.104 R)
• M3: 1,007,093 km (0.116 R)
• M4: 1,628,074 km (0.029 R)
• M5: 2,006,407 km (0.102 R)
• M6: 2,874,074 km (0.105 R)
• M7: 4,820,791 km (0.111 R)
• M8: 7,728,525 km (0.066 R)
• M9: 9,711,146 km (0.102 R)
• M10: 13,264,245 km (0.083 R)
• M11: 13,615,800 km (0.089 R)
• M12: 14,654,757 km (0.105 R)
• M13: 15,468,121 km (0.106 R)
• M14: 16,483,591 km (0.109 R)
• M15: 17,845,081 km (0.037 R)
• M16: 18,212,194 km (0.108 R)
• M17: 19,993,007 km (0.077 R)
• M18: 20,925,601 km (0.082 R)
• M19: 22,237,424 km (0.078 R)
• M20: 23,311,088 km (0.071 R)
• M21: 24,796,146 km (0.054 R)
• M22: 25,872,503 km (0.118 R)
• M23: 26,264,449 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 10.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.65 AU - 6.73 AU

Year: 8764 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,150,038 km

• M1: 128,056 km (0.081 R)
• M2: 497,263 km (0.083 R)
• M3: 822,788 km (0.116 R)
• M4: 1,239,119 km (0.036 R)
• M5: 1,560,455 km (0.112 R)
• M6: 1,889,720 km (0.077 R)
• M7: 2,531,495 km (0.07 R)
• M8: 3,482,040 km (0.074 R)
• M9: 4,107,808 km (0.107 R)
• M10: 4,447,993 km (0.107 R)
• M11: 4,837,696 km (0.117 R)
• M12: 6,109,876 km (0.118 R)
• M13: 7,467,776 km (0.074 R)
• M14: 8,284,132 km (0.102 R)
• M15: 10,094,116 km (0.052 R)
• M16: 12,269,569 km (0.068 R)
• M17: 16,372,739 km (0.084 R)
• M18: 17,452,088 km (0.114 R)
• M19: 18,501,816 km (0.067 R)
• M20: 22,334,364 km (0.09 R)
• M21: 23,481,181 km (0.091 R)
• M22: 26,180,375 km (0.102 R)
• M23: 28,976,509 km (0.107 R)
• M24: 31,965,923 km (0.099 R)
• M25: 33,763,491 km (0.104 R)
• M26: 36,705,483 km (0.114 R)
• M27: 39,942,033 km (0.099 R)
• M28: 41,105,456 km (0.109 R)
• M29: 41,893,388 km (0.077 R)
• M30: 43,635,305 km (0.036 R)
• M31: 48,418,398 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 12,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit