🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.1

Radius: 12.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.77 AU

Year: 377 Days

Day: 12.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 113.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,429,875 km

• M1: 159,172 km (0.104 R)
• M2: 578,046 km (0.114 R)
• M3: 1,105,678 km (0.047 R)
• M4: 1,554,471 km (0.12 R)
• M5: 2,212,253 km (0.061 R)
• M6: 2,670,172 km (0.114 R)
• M7: 3,284,870 km (0.114 R)
• M8: 4,113,792 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752

Radius: 12.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 7.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,429,875 km

• M1: 193,729 km (0.098 R)
• M2: 642,224 km (0.07 R)
• M3: 1,075,309 km (0.074 R)
• M4: 1,492,239 km (0.099 R)
• M5: 2,027,051 km (0.065 R)
• M6: 2,818,125 km (0.111 R)
• M7: 3,717,956 km (0.118 R)
• M8: 4,275,956 km (0.088 R)
• M9: 4,712,483 km (0.032 R)
• M10: 5,609,920 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 12.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.77 AU - 2.35 AU

Year: 2078 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,429,875 km

• M1: 160,219 km (0.054 R)
• M2: 558,449 km (0.109 R)
• M3: 1,273,676 km (0.088 R)
• M4: 1,796,521 km (0.032 R)
• M5: 2,386,086 km (0.051 R)
• M6: 2,951,117 km (0.078 R)
• M7: 3,394,675 km (0.108 R)
• M8: 6,977,544 km (0.052 R)
• M9: 8,755,814 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 14.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.62 AU - 3.08 AU

Year: 3382 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,429,875 km

• M1: 175,329 km (0.069 R)
• M2: 626,965 km (0.086 R)
• M3: 1,212,341 km (0.1 R)
• M4: 1,699,731 km (0.088 R)
• M5: 2,218,387 km (0.109 R)
• M6: 2,826,353 km (0.055 R)
• M7: 3,330,049 km (0.113 R)
• M8: 4,381,123 km (0.065 R)
• M9: 5,753,684 km (0.098 R)
• M10: 6,211,304 km (0.118 R)
• M11: 7,297,833 km (0.08 R)
• M12: 7,938,860 km (0.109 R)
• M13: 8,951,787 km (0.11 R)
• M14: 9,489,741 km (0.105 R)
• M15: 10,213,196 km (0.108 R)
• M16: 10,715,695 km (0.11 R)
• M17: 11,322,764 km (0.114 R)
• M18: 11,861,316 km (0.117 R)
• M19: 13,530,679 km (0.054 R)
• M20: 14,921,939 km (0.063 R)
• M21: 15,624,899 km (0.109 R)
• M22: 16,980,555 km (0.118 R)
• M23: 17,508,785 km (0.086 R)
• M24: 18,971,104 km (0.12 R)
• M25: 25,718,716 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.2

Radius: 14.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.96 AU - 4.42 AU

Year: 4983 Days

Day: 10 Hours

Environment

Temp: -227 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,429,875 km

• M1: 176,226 km (0.102 R)
• M2: 730,337 km (0.101 R)
• M3: 1,169,855 km (0.093 R)
• M4: 1,861,446 km (0.034 R)
• M5: 2,390,574 km (0.117 R)
• M6: 2,926,284 km (0.051 R)
• M7: 3,416,516 km (0.114 R)
• M8: 4,539,547 km (0.119 R)
• M9: 5,036,661 km (0.109 R)
• M10: 5,657,791 km (0.117 R)
• M11: 8,867,863 km (0.11 R)
• M12: 9,905,025 km (0.033 R)
• M13: 11,021,474 km (0.092 R)
• M14: 12,470,030 km (0.12 R)
• M15: 13,240,459 km (0.092 R)
• M16: 15,161,595 km (0.092 R)
• M17: 15,625,647 km (0.103 R)
• M18: 18,877,456 km (0.041 R)
• M19: 20,310,155 km (0.109 R)
• M20: 21,377,237 km (0.113 R)
• M21: 22,257,470 km (0.047 R)
• M22: 23,238,234 km (0.081 R)
• M23: 25,285,930 km (0.115 R)
• M24: 25,775,115 km (0.095 R)
• M25: 26,604,336 km (0.062 R)
• M26: 28,054,986 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 9.3

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.15 AU - 4.51 AU

Year: 6333 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,429,875 km

• M1: 115,789 km (0.097 R)
• M2: 427,401 km (0.115 R)
• M3: 807,679 km (0.101 R)
• M4: 1,214,436 km (0.095 R)
• M5: 2,574,280 km (0.115 R)
• M6: 3,009,460 km (0.056 R)
• M7: 3,604,860 km (0.089 R)
• M8: 4,379,627 km (0.117 R)
• M9: 5,144,820 km (0.087 R)
• M10: 7,483,633 km (0.106 R)
• M11: 11,514,548 km (0.083 R)
• M12: 12,122,364 km (0.11 R)
• M13: 12,698,166 km (0.114 R)
• M14: 13,182,714 km (0.099 R)
• M15: 13,904,374 km (0.084 R)
• M16: 16,290,610 km (0.114 R)
• M17: 17,646,864 km (0.086 R)
• M18: 18,591,874 km (0.113 R)
• M19: 18,937,445 km (0.104 R)
• M20: 19,357,665 km (0.081 R)
• M21: 21,705,454 km (0.102 R)
• M22: 22,011,681 km (0.081 R)
• M23: 23,026,852 km (0.095 R)
• M24: 24,401,208 km (0.093 R)
• M25: 27,223,821 km (0.032 R)
• M26: 27,849,289 km (0.117 R)
• M27: 33,610,453 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.1

Radius: 14.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.74 AU - 4.92 AU

Year: 7462 Days

Day: 11.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,429,875 km

• M1: 224,397 km (0.098 R)
• M2: 705,803 km (0.051 R)
• M3: 1,407,267 km (0.092 R)
• M4: 2,039,917 km (0.068 R)
• M5: 2,919,402 km (0.094 R)
• M6: 3,795,597 km (0.118 R)
• M7: 5,072,116 km (0.089 R)
• M8: 5,556,514 km (0.09 R)
• M9: 7,972,071 km (0.04 R)
• M10: 11,943,595 km (0.108 R)
• M11: 15,708,524 km (0.089 R)
• M12: 25,051,809 km (0.103 R)
• M13: 29,840,736 km (0.086 R)
• M14: 31,328,188 km (0.09 R)
• M15: 35,317,215 km (0.072 R)
• M16: 39,046,091 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 8.7

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.85 AU - 5.19 AU

Year: 7906 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,429,875 km

• M1: 123,568 km (0.064 R)
• M2: 439,818 km (0.071 R)
• M3: 1,498,372 km (0.067 R)
• M4: 2,312,933 km (0.048 R)
• M5: 3,056,883 km (0.102 R)
• M6: 3,552,201 km (0.081 R)
• M7: 4,000,845 km (0.1 R)
• M8: 5,795,870 km (0.09 R)
• M9: 10,455,844 km (0.1 R)
• M10: 12,144,206 km (0.104 R)
• M11: 13,778,413 km (0.06 R)
• M12: 14,648,324 km (0.095 R)
• M13: 14,946,323 km (0.075 R)
• M14: 15,864,405 km (0.066 R)
• M15: 17,611,260 km (0.054 R)
• M16: 17,948,304 km (0.104 R)
• M17: 18,635,257 km (0.088 R)
• M18: 19,770,705 km (0.116 R)
• M19: 20,208,129 km (0.029 R)
• M20: 20,577,636 km (0.028 R)
• M21: 25,199,462 km (0.09 R)
• M22: 28,115,723 km (0.111 R)
• M23: 29,042,033 km (0.08 R)
• M24: 33,980,857 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 17,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit