🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 33.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 9.6

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.23 AU - 1.65 AU

Year: 1116 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,854,602 km

• M1: 119,379 km (0.101 R)
• M2: 423,362 km (0.117 R)
• M3: 1,018,761 km (0.117 R)
• M4: 1,320,052 km (0.062 R)
• M5: 1,987,109 km (0.071 R)
• M6: 2,623,647 km (0.04 R)
• M7: 3,064,662 km (0.099 R)
• M8: 3,661,857 km (0.075 R)
• M9: 4,265,634 km (0.047 R)
• M10: 4,858,789 km (0.1 R)
• M11: 5,629,667 km (0.077 R)
• M12: 6,099,404 km (0.044 R)
• M13: 6,664,585 km (0.089 R)
• M14: 7,413,472 km (0.098 R)
• M15: 7,769,665 km (0.082 R)
• M16: 8,710,336 km (0.113 R)
• M17: 9,815,715 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 9

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.4 AU - 1.98 AU

Year: 1419 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,854,602 km

• M1: 111,899 km (0.088 R)
• M2: 425,157 km (0.108 R)
• M3: 765,044 km (0.118 R)
• M4: 1,084,734 km (0.089 R)
• M5: 1,415,495 km (0.064 R)
• M6: 1,908,270 km (0.114 R)
• M7: 2,486,167 km (0.077 R)
• M8: 2,966,975 km (0.092 R)
• M9: 3,624,756 km (0.033 R)
• M10: 4,395,485 km (0.117 R)
• M11: 4,995,223 km (0.085 R)
• M12: 6,406,678 km (0.038 R)
• M13: 6,707,969 km (0.08 R)
• M14: 7,204,484 km (0.096 R)
• M15: 7,530,458 km (0.049 R)
• M16: 9,311,271 km (0.119 R)
• M17: 10,197,788 km (0.087 R)
• M18: 10,889,977 km (0.059 R)
• M19: 11,175,410 km (0.097 R)
• M20: 12,639,524 km (0.076 R)
• M21: 13,356,846 km (0.082 R)
• M22: 14,016,872 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 10.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.87 AU - 2.19 AU

Year: 1867 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,854,602 km

• M1: 134,788 km (0.087 R)
• M2: 487,240 km (0.056 R)
• M3: 920,476 km (0.074 R)
• M4: 1,300,753 km (0.069 R)
• M5: 1,677,291 km (0.106 R)
• M6: 2,424,383 km (0.054 R)
• M7: 3,015,893 km (0.025 R)
• M8: 4,027,923 km (0.081 R)
• M9: 6,581,409 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 8.8

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.82 AU - 2.92 AU

Year: 3139 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,854,602 km

• M1: 109,506 km (0.091 R)
• M2: 472,580 km (0.116 R)
• M3: 758,760 km (0.085 R)
• M4: 1,051,523 km (0.101 R)
• M5: 1,430,904 km (0.089 R)
• M6: 2,259,676 km (0.107 R)
• M7: 2,835,328 km (0.104 R)
• M8: 3,288,760 km (0.097 R)
• M9: 3,617,426 km (0.104 R)
• M10: 4,470,732 km (0.083 R)
• M11: 4,829,019 km (0.094 R)
• M12: 5,110,263 km (0.088 R)
• M13: 6,209,359 km (0.103 R)
• M14: 6,542,513 km (0.1 R)
• M15: 7,397,316 km (0.12 R)
• M16: 7,740,343 km (0.086 R)
• M17: 10,026,648 km (0.046 R)
• M18: 10,331,379 km (0.094 R)
• M19: 10,721,081 km (0.119 R)
• M20: 12,685,151 km (0.085 R)
• M21: 13,268,284 km (0.058 R)
• M22: 13,635,846 km (0.117 R)
• M23: 14,927,025 km (0.114 R)
• M24: 16,037,939 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.3

Radius: 3.4

Gravity: 27.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.13 AU - 7.17 AU

Year: 9848 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,854,602 km

• M1: 42,635 km (0.102 R)
• M2: 270,473 km (0.092 R)
• M3: 567,874 km (0.111 R)
• M4: 686,056 km (0.045 R)
• M5: 1,102,088 km (0.098 R)
• M6: 1,694,944 km (0.11 R)
• M7: 1,838,109 km (0.08 R)
• M8: 1,958,386 km (0.11 R)
• M9: 2,132,518 km (0.099 R)
• M10: 2,351,529 km (0.083 R)
• M11: 2,954,558 km (0.087 R)
• M12: 3,291,901 km (0.117 R)
• M13: 3,701,351 km (0.1 R)
• M14: 5,433,993 km (0.118 R)
• M15: 7,603,312 km (0.103 R)
• M16: 9,288,681 km (0.116 R)
• M17: 9,554,517 km (0.099 R)
• M18: 9,779,961 km (0.031 R)
• M19: 10,055,071 km (0.113 R)
• M20: 11,661,453 km (0.047 R)
• M21: 11,970,822 km (0.098 R)
• M22: 13,374,947 km (0.114 R)
• M23: 13,543,694 km (0.099 R)
• M24: 14,645,632 km (0.109 R)
• M25: 14,945,276 km (0.1 R)
• M26: 15,495,048 km (0.115 R)
• M27: 16,184,994 km (0.099 R)
• M28: 20,386,300 km (0.118 R)
• M29: 21,674,787 km (0.101 R)
• M30: 23,016,530 km (0.072 R)
• M31: 25,431,488 km (0.074 R)
• M32: 25,864,275 km (0.075 R)
• M33: 26,214,035 km (0.114 R)
• M34: 26,390,112 km (0.045 R)
• M35: 29,790,770 km (0.116 R)
• M36: 30,271,578 km (0.093 R)
• M37: 32,550,253 km (0.035 R)
• M38: 34,306,233 km (0.116 R)
• M39: 34,834,463 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.6

Radius: 3.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.18 AU - 7.28 AU

Year: 10040 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,854,602 km

• M1: 43,533 km (0.086 R)
• M2: 585,526 km (0.108 R)
• M3: 1,482,964 km (0.108 R)
• M4: 2,230,803 km (0.06 R)
• M5: 2,678,550 km (0.119 R)
• M6: 3,014,247 km (0.084 R)
• M7: 3,235,652 km (0.09 R)
• M8: 5,716,733 km (0.113 R)
• M9: 6,380,948 km (0.079 R)
• M10: 7,334,484 km (0.103 R)
• M11: 7,956,363 km (0.066 R)
• M12: 11,766,022 km (0.037 R)
• M13: 13,781,554 km (0.064 R)
• M14: 15,711,516 km (0.073 R)
• M15: 16,015,649 km (0.097 R)
• M16: 16,323,820 km (0.089 R)
• M17: 16,688,390 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.2

Radius: 7.6

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.67 AU - 9.91 AU

Year: 19778 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,854,602 km

• M1: 94,546 km (0.065 R)
• M2: 354,996 km (0.044 R)
• M3: 894,296 km (0.032 R)
• M4: 1,825,692 km (0.089 R)
• M5: 2,328,192 km (0.108 R)
• M6: 3,128,690 km (0.102 R)
• M7: 3,726,333 km (0.086 R)
• M8: 6,536,978 km (0.12 R)
• M9: 7,706,983 km (0.111 R)
• M10: 11,587,402 km (0.08 R)
• M11: 20,236,702 km (0.058 R)
• M12: 20,521,686 km (0.104 R)
• M13: 28,788,465 km (0.04 R)
• M14: 30,997,876 km (0.073 R)
• M15: 51,810,829 km (0.094 R)
• M16: 56,559,215 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 3.7

Gravity: 67.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.41 AU - 10.89 AU

Year: 22441 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,854,602 km

• M1: 46,226 km (0.096 R)
• M2: 328,667 km (0.064 R)
• M3: 549,623 km (0.101 R)
• M4: 709,094 km (0.117 R)
• M5: 973,882 km (0.113 R)
• M6: 1,934,600 km (0.111 R)
• M7: 2,938,701 km (0.117 R)
• M8: 4,796,557 km (0.113 R)
• M9: 4,950,642 km (0.115 R)
• M10: 5,474,235 km (0.095 R)
• M11: 10,278,271 km (0.071 R)
• M12: 10,534,532 km (0.064 R)
• M13: 11,671,626 km (0.052 R)
• M14: 11,810,602 km (0.046 R)
• M15: 13,036,706 km (0.079 R)
• M16: 15,738,594 km (0.118 R)
• M17: 16,686,745 km (0.085 R)
• M18: 20,657,820 km (0.091 R)
• M19: 21,375,591 km (0.072 R)
• M20: 22,216,032 km (0.085 R)
• M21: 24,413,176 km (0.027 R)
• M22: 29,106,061 km (0.115 R)
• M23: 29,233,668 km (0.066 R)
• M24: 29,490,079 km (0.052 R)
• M25: 45,159,109 km (0.112 R)
• M26: 47,593,964 km (0.108 R)
• M27: 51,222,161 km (0.105 R)
• M28: 56,803,807 km (0.07 R)
• M29: 60,672,408 km (0.107 R)
• M30: 61,718,846 km (0.114 R)
• M31: 62,777,250 km (0.079 R)
• M32: 80,638,937 km (0.086 R)
• M33: 80,890,860 km (0.11 R)
• M34: 83,695,970 km (0.115 R)
• M35: 86,829,147 km (0.118 R)
• M36: 90,854,676 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 20,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit