🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.55 AU - 0.65 AU

Year: 305 Days

Day: 16.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.3

Radius: 14.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.62 AU - 0.86 AU

Year: 418 Days

Day: 7.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,582,199 km

• M1: 182,809 km (0.105 R)
• M2: 669,151 km (0.077 R)
• M3: 1,262,008 km (0.119 R)
• M4: 1,724,714 km (0.095 R)
• M5: 2,496,639 km (0.113 R)
• M6: 3,110,738 km (0.077 R)
• M7: 4,073,251 km (0.045 R)
• M8: 4,750,032 km (0.11 R)
• M9: 5,567,285 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 12

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.82 AU - 0.9 AU

Year: 523 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,582,199 km

• M1: 149,448 km (0.09 R)
• M2: 612,005 km (0.105 R)
• M3: 1,506,899 km (0.093 R)
• M4: 1,999,525 km (0.03 R)
• M5: 2,386,684 km (0.093 R)
• M6: 2,782,520 km (0.047 R)
• M7: 3,595,136 km (0.11 R)
• M8: 4,457,568 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.86 AU - 1.02 AU

Year: 598 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,582,199 km

• M1: 186,549 km (0.107 R)
• M2: 681,119 km (0.065 R)
• M3: 1,376,749 km (0.11 R)
• M4: 2,740,184 km (0.068 R)
• M5: 3,950,431 km (0.103 R)
• M6: 4,726,844 km (0.104 R)
• M7: 6,199,785 km (0.058 R)
• M8: 7,520,734 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.3

Radius: 11.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.06 AU - 1.54 AU

Year: 972 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,582,199 km

• M1: 216,917 km (0.106 R)
• M2: 731,534 km (0.11 R)
• M3: 1,155,494 km (0.057 R)
• M4: 1,853,368 km (0.088 R)
• M5: 2,351,080 km (0.113 R)
• M6: 3,521,534 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 10

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.28 AU - 1.58 AU

Year: 1122 Days

Day: 14 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,582,199 km

• M1: 124,316 km (0.113 R)
• M2: 440,117 km (0.101 R)
• M3: 909,405 km (0.063 R)
• M4: 1,500,167 km (0.088 R)
• M5: 2,105,590 km (0.119 R)
• M6: 2,518,929 km (0.117 R)
• M7: 3,510,015 km (0.111 R)
• M8: 3,844,665 km (0.03 R)
• M9: 4,246,635 km (0.111 R)
• M10: 4,759,456 km (0.098 R)
• M11: 5,135,545 km (0.12 R)
• M12: 5,793,926 km (0.052 R)
• M13: 6,203,375 km (0.116 R)
• M14: 6,993,551 km (0.081 R)
• M15: 7,549,008 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 9

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.28 AU - 1.7 AU

Year: 1193 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,582,199 km

• M1: 111,899 km (0.089 R)
• M2: 662,868 km (0.111 R)
• M3: 1,311,674 km (0.1 R)
• M4: 1,595,162 km (0.103 R)
• M5: 2,198,341 km (0.111 R)
• M6: 2,491,553 km (0.104 R)
• M7: 2,891,727 km (0.066 R)
• M8: 3,201,394 km (0.03 R)
• M9: 3,659,463 km (0.118 R)
• M10: 4,143,412 km (0.056 R)
• M11: 4,802,840 km (0.109 R)
• M12: 5,218,871 km (0.068 R)
• M13: 5,723,615 km (0.119 R)
• M14: 6,191,706 km (0.111 R)
• M15: 6,782,019 km (0.099 R)
• M16: 8,129,597 km (0.043 R)
• M17: 9,771,583 km (0.113 R)
• M18: 10,506,109 km (0.076 R)
• M19: 11,242,729 km (0.044 R)
• M20: 11,906,195 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 13.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.92 AU - 2.08 AU

Year: 1855 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,582,199 km

• M1: 162,912 km (0.064 R)
• M2: 758,012 km (0.056 R)
• M3: 2,283,163 km (0.114 R)
• M4: 2,758,585 km (0.081 R)
• M5: 5,901,038 km (0.102 R)
• M6: 6,471,454 km (0.117 R)
• M7: 7,255,048 km (0.074 R)
• M8: 10,668,871 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.3

Radius: 9.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.01 AU - 4.35 AU

Year: 5606 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,582,199 km

• M1: 121,922 km (0.116 R)
• M2: 2,830,392 km (0.079 R)
• M3: 4,532,217 km (0.098 R)
• M4: 5,892,511 km (0.118 R)
• M5: 6,401,293 km (0.095 R)
• M6: 7,219,444 km (0.071 R)
• M7: 11,276,987 km (0.115 R)
• M8: 12,841,780 km (0.029 R)
• M9: 13,437,180 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406

Radius: 3.6

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.32 AU - 11.54 AU

Year: 23705 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,582,199 km

• M1: 44,879 km (0.076 R)
• M2: 262,843 km (0.042 R)
• M3: 390,002 km (0.03 R)
• M4: 915,240 km (0.091 R)
• M5: 1,391,111 km (0.118 R)
• M6: 1,649,017 km (0.119 R)
• M7: 2,114,716 km (0.113 R)
• M8: 3,245,227 km (0.117 R)
• M9: 4,255,760 km (0.064 R)
• M10: 4,420,168 km (0.058 R)
• M11: 4,554,806 km (0.1 R)
• M12: 5,307,134 km (0.115 R)
• M13: 6,391,270 km (0.094 R)
• M14: 7,099,167 km (0.053 R)
• M15: 8,512,717 km (0.044 R)
• M16: 8,668,897 km (0.115 R)
• M17: 9,094,653 km (0.106 R)
• M18: 17,259,705 km (0.066 R)
• M19: 18,448,409 km (0.056 R)
• M20: 19,690,670 km (0.051 R)
• M21: 20,893,287 km (0.111 R)
• M22: 21,082,529 km (0.11 R)
• M23: 21,850,863 km (0.052 R)
• M24: 22,837,461 km (0.103 R)
• M25: 26,303,494 km (0.071 R)
• M26: 27,306,099 km (0.099 R)
• M27: 32,959,104 km (0.053 R)
• M28: 35,449,609 km (0.102 R)
• M29: 38,062,635 km (0.118 R)
• M30: 44,132,868 km (0.034 R)
• M31: 45,072,043 km (0.09 R)
• M32: 45,705,441 km (0.105 R)
• M33: 46,990,187 km (0.115 R)
• M34: 48,133,713 km (0.102 R)
• M35: 52,195,595 km (0.068 R)
• M36: 54,846,768 km (0.081 R)
• M37: 60,607,633 km (0.047 R)
• M38: 62,744,937 km (0.108 R)
• M39: 68,411,106 km (0.067 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 15,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit