🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 12.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,273,280 km

• M1: 150,795 km (0.088 R)
• M2: 536,458 km (0.12 R)
• M3: 951,143 km (0.065 R)
• M4: 1,699,432 km (0.102 R)
• M5: 2,589,240 km (0.098 R)
• M6: 3,003,925 km (0.041 R)
• M7: 3,518,093 km (0.117 R)
• M8: 3,968,832 km (0.116 R)
• M9: 4,431,987 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 8.4

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.68 AU - 1.12 AU

Year: 589 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,273,280 km

• M1: 104,419 km (0.107 R)
• M2: 369,507 km (0.119 R)
• M3: 744,100 km (0.103 R)
• M4: 1,229,694 km (0.099 R)
• M5: 1,779,467 km (0.091 R)
• M6: 2,186,373 km (0.084 R)
• M7: 2,494,694 km (0.086 R)
• M8: 2,866,295 km (0.055 R)
• M9: 3,363,259 km (0.092 R)
• M10: 4,031,363 km (0.115 R)
• M11: 4,801,344 km (0.108 R)
• M12: 5,396,294 km (0.082 R)
• M13: 5,906,872 km (0.092 R)
• M14: 6,409,371 km (0.106 R)
• M15: 7,152,125 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 14.9

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.5 AU - 1.72 AU

Year: 1410 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,273,280 km

• M1: 210,933 km (0.099 R)
• M2: 1,441,824 km (0.106 R)
• M3: 2,111,873 km (0.085 R)
• M4: 2,723,130 km (0.12 R)
• M5: 4,294,805 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 8.5

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.93 AU - 4.49 AU

Year: 4933 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,273,280 km

• M1: 105,766 km (0.063 R)
• M2: 438,920 km (0.081 R)
• M3: 810,671 km (0.073 R)
• M4: 1,085,482 km (0.095 R)
• M5: 1,458,878 km (0.052 R)
• M6: 1,916,947 km (0.104 R)
• M7: 2,399,999 km (0.116 R)
• M8: 3,264,525 km (0.106 R)
• M9: 3,565,067 km (0.034 R)
• M10: 4,197,716 km (0.118 R)
• M11: 6,058,115 km (0.093 R)
• M12: 6,480,879 km (0.098 R)
• M13: 8,175,374 km (0.085 R)
• M14: 11,558,679 km (0.049 R)
• M15: 12,158,717 km (0.106 R)
• M16: 14,027,643 km (0.114 R)
• M17: 17,664,367 km (0.116 R)
• M18: 18,730,850 km (0.117 R)
• M19: 19,072,831 km (0.086 R)
• M20: 19,769,209 km (0.041 R)
• M21: 20,845,416 km (0.035 R)
• M22: 27,958,496 km (0.073 R)
• M23: 28,225,977 km (0.103 R)
• M24: 29,221,550 km (0.03 R)
• M25: 31,186,967 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 11

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.98 AU - 4 AU

Year: 5501 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,273,280 km

• M1: 136,882 km (0.12 R)
• M2: 603,179 km (0.067 R)
• M3: 1,245,701 km (0.107 R)
• M4: 1,942,528 km (0.119 R)
• M5: 2,540,172 km (0.109 R)
• M6: 3,466,781 km (0.118 R)
• M7: 3,867,703 km (0.094 R)
• M8: 4,790,573 km (0.096 R)
• M9: 6,230,901 km (0.088 R)
• M10: 6,590,534 km (0.028 R)
• M11: 10,347,386 km (0.08 R)
• M12: 13,908,563 km (0.043 R)
• M13: 14,639,199 km (0.076 R)
• M14: 15,159,799 km (0.059 R)
• M15: 15,994,256 km (0.056 R)
• M16: 17,624,873 km (0.12 R)
• M17: 18,547,443 km (0.088 R)
• M18: 19,363,500 km (0.095 R)
• M19: 20,061,673 km (0.073 R)
• M20: 21,287,179 km (0.11 R)
• M21: 23,023,711 km (0.114 R)
• M22: 24,771,313 km (0.06 R)
• M23: 25,345,470 km (0.075 R)
• M24: 26,691,102 km (0.113 R)
• M25: 28,978,604 km (0.077 R)
• M26: 29,799,896 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 12.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.83 AU - 5.21 AU

Year: 6633 Days

Day: 8.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,273,280 km

• M1: 151,692 km (0.106 R)
• M2: 569,669 km (0.066 R)
• M3: 1,413,849 km (0.1 R)
• M4: 1,893,011 km (0.104 R)
• M5: 2,759,183 km (0.092 R)
• M6: 3,250,762 km (0.113 R)
• M7: 4,741,355 km (0.108 R)
• M8: 5,702,521 km (0.095 R)
• M9: 6,263,812 km (0.106 R)
• M10: 7,306,510 km (0.039 R)
• M11: 8,050,161 km (0.113 R)
• M12: 8,672,338 km (0.112 R)
• M13: 9,326,380 km (0.109 R)
• M14: 11,181,543 km (0.113 R)
• M15: 13,499,562 km (0.12 R)
• M16: 15,673,219 km (0.118 R)
• M17: 16,644,409 km (0.062 R)
• M18: 17,178,473 km (0.102 R)
• M19: 18,492,990 km (0.11 R)
• M20: 19,138,654 km (0.098 R)
• M21: 20,627,153 km (0.115 R)
• M22: 21,556,604 km (0.083 R)
• M23: 22,675,896 km (0.051 R)
• M24: 24,770,565 km (0.095 R)
• M25: 25,555,206 km (0.074 R)
• M26: 26,446,510 km (0.106 R)
• M27: 27,915,561 km (0.098 R)
• M28: 28,956,613 km (0.076 R)
• M29: 31,927,327 km (0.093 R)
• M30: 34,553,518 km (0.079 R)
• M31: 36,196,701 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742

Radius: 9.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.5 AU - 4.86 AU

Year: 6988 Days

Day: 9.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,273,280 km

• M1: 123,418 km (0.082 R)
• M2: 551,717 km (0.047 R)
• M3: 866,920 km (0.034 R)
• M4: 1,296,714 km (0.12 R)
• M5: 2,277,179 km (0.072 R)
• M6: 2,747,664 km (0.1 R)
• M7: 4,614,047 km (0.096 R)
• M8: 5,588,079 km (0.09 R)
• M9: 7,469,571 km (0.107 R)
• M10: 7,979,251 km (0.057 R)
• M11: 8,937,725 km (0.114 R)
• M12: 9,377,543 km (0.044 R)
• M13: 9,694,092 km (0.118 R)
• M14: 10,589,285 km (0.109 R)
• M15: 15,032,940 km (0.079 R)
• M16: 16,688,091 km (0.111 R)
• M17: 17,086,620 km (0.058 R)
• M18: 18,959,585 km (0.114 R)
• M19: 22,864,090 km (0.105 R)
• M20: 26,189,202 km (0.083 R)
• M21: 27,641,947 km (0.112 R)
• M22: 32,322,266 km (0.093 R)
• M23: 34,741,562 km (0.055 R)
• M24: 36,829,051 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.9

Radius: 5.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.3 AU - 10.64 AU

Year: 23385 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,273,280 km

• M1: 72,705 km (0.113 R)
• M2: 344,673 km (0.084 R)
• M3: 780,302 km (0.077 R)
• M4: 984,354 km (0.119 R)
• M5: 1,316,012 km (0.095 R)
• M6: 2,633,222 km (0.079 R)
• M7: 6,519,176 km (0.115 R)
• M8: 7,366,199 km (0.086 R)
• M9: 22,974,343 km (0.114 R)
• M10: 24,572,049 km (0.116 R)
• M11: 25,795,610 km (0.047 R)
• M12: 26,332,217 km (0.106 R)
• M13: 34,107,866 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 10,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit