🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.4 AU - 0.66 AU

Year: 249 Days

Day: 24.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,484,601 km

• M1: 39,195 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 15

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.99 AU - 1.27 AU

Year: 776 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,484,601 km

• M1: 186,549 km (0.083 R)
• M2: 755,469 km (0.076 R)
• M3: 1,225,356 km (0.117 R)
• M4: 1,821,653 km (0.086 R)
• M5: 2,423,486 km (0.112 R)
• M6: 2,979,391 km (0.084 R)
• M7: 3,549,658 km (0.065 R)
• M8: 5,183,117 km (0.1 R)
• M9: 6,624,044 km (0.118 R)
• M10: 7,391,182 km (0.111 R)
• M11: 8,548,770 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 11.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 957 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,484,601 km

• M1: 145,559 km (0.114 R)
• M2: 519,404 km (0.1 R)
• M3: 1,298,659 km (0.116 R)
• M4: 2,188,916 km (0.117 R)
• M5: 2,819,172 km (0.08 R)
• M6: 3,233,708 km (0.109 R)
• M7: 3,658,117 km (0.078 R)
• M8: 4,584,726 km (0.118 R)
• M9: 5,161,426 km (0.089 R)
• M10: 5,538,562 km (0.095 R)
• M11: 5,912,706 km (0.06 R)
• M12: 7,632,932 km (0.106 R)
• M13: 8,256,606 km (0.12 R)
• M14: 9,844,288 km (0.102 R)
• M15: 10,583,750 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 8.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.38 AU - 2.16 AU

Year: 1520 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,484,601 km

• M1: 103,971 km (0.1 R)
• M2: 364,570 km (0.081 R)
• M3: 1,003,203 km (0.066 R)
• M4: 1,504,207 km (0.119 R)
• M5: 1,953,449 km (0.109 R)
• M6: 2,388,480 km (0.076 R)
• M7: 3,642,259 km (0.107 R)
• M8: 4,404,012 km (0.1 R)
• M9: 4,986,546 km (0.098 R)
• M10: 8,119,424 km (0.097 R)
• M11: 8,723,052 km (0.042 R)
• M12: 9,243,952 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 12.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.78 AU - 2.32 AU

Year: 1895 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,484,601 km

• M1: 153,039 km (0.109 R)
• M2: 711,039 km (0.086 R)
• M3: 1,352,664 km (0.075 R)
• M4: 1,952,103 km (0.097 R)
• M5: 2,979,092 km (0.089 R)
• M6: 3,436,263 km (0.077 R)
• M7: 4,020,742 km (0.093 R)
• M8: 4,706,798 km (0.106 R)
• M9: 8,100,426 km (0.088 R)
• M10: 8,913,640 km (0.08 R)
• M11: 10,081,550 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 13.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.04 AU - 2.66 AU

Year: 2326 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,484,601 km

• M1: 178,919 km (0.106 R)
• M2: 644,168 km (0.114 R)
• M3: 1,062,893 km (0.092 R)
• M4: 1,856,061 km (0.092 R)
• M5: 2,352,127 km (0.055 R)
• M6: 2,820,069 km (0.076 R)
• M7: 3,497,000 km (0.108 R)
• M8: 3,914,976 km (0.102 R)
• M9: 5,003,750 km (0.055 R)
• M10: 6,307,645 km (0.064 R)
• M11: 11,078,171 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 11.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.47 AU - 2.69 AU

Year: 2676 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 107.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,484,601 km

• M1: 138,079 km (0.061 R)
• M2: 594,502 km (0.107 R)
• M3: 1,006,943 km (0.077 R)
• M4: 1,700,180 km (0.098 R)
• M5: 2,453,555 km (0.081 R)
• M6: 2,827,849 km (0.103 R)
• M7: 3,847,358 km (0.042 R)
• M8: 4,230,029 km (0.087 R)
• M9: 5,072,714 km (0.118 R)
• M10: 5,788,390 km (0.097 R)
• M11: 6,320,211 km (0.113 R)
• M12: 6,855,472 km (0.077 R)
• M13: 8,443,005 km (0.103 R)
• M14: 9,924,173 km (0.107 R)
• M15: 10,765,811 km (0.117 R)
• M16: 11,285,065 km (0.05 R)
• M17: 11,695,861 km (0.096 R)
• M18: 12,460,455 km (0.097 R)
• M19: 13,485,650 km (0.077 R)
• M20: 16,581,278 km (0.065 R)
• M21: 18,947,767 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.3

Radius: 5.9

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.26 AU - 7.8 AU

Year: 12035 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,484,601 km

• M1: 96,640 km (0.073 R)
• M2: 1,631,814 km (0.1 R)
• M3: 2,402,392 km (0.103 R)
• M4: 3,296,987 km (0.11 R)
• M5: 3,690,430 km (0.053 R)
• M6: 4,281,641 km (0.059 R)
• M7: 5,091,264 km (0.097 R)
• M8: 5,927,816 km (0.081 R)
• M9: 6,736,691 km (0.089 R)
• M10: 12,541,089 km (0.109 R)
• M11: 13,929,656 km (0.082 R)
• M12: 16,373,637 km (0.081 R)
• M13: 17,586,726 km (0.104 R)
• M14: 18,553,876 km (0.097 R)
• M15: 19,556,182 km (0.065 R)
• M16: 21,416,880 km (0.073 R)
• M17: 29,214,071 km (0.09 R)
• M18: 30,042,693 km (0.077 R)
• M19: 32,733,061 km (0.116 R)
• M20: 35,696,894 km (0.12 R)
• M21: 37,364,611 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.1

Radius: 4.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.55 AU - 10.85 AU

Year: 19506 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,484,601 km

• M1: 59,690 km (0.051 R)
• M2: 237,113 km (0.068 R)
• M3: 1,080,246 km (0.093 R)
• M4: 1,849,778 km (0.071 R)
• M5: 2,454,901 km (0.091 R)
• M6: 3,678,761 km (0.057 R)
• M7: 4,147,003 km (0.11 R)
• M8: 4,654,139 km (0.061 R)
• M9: 5,231,438 km (0.043 R)
• M10: 5,758,471 km (0.115 R)
• M11: 6,151,464 km (0.084 R)
• M12: 6,990,559 km (0.119 R)
• M13: 7,361,711 km (0.083 R)
• M14: 7,863,762 km (0.06 R)
• M15: 8,022,784 km (0.093 R)
• M16: 8,680,416 km (0.089 R)
• M17: 11,215,203 km (0.07 R)
• M18: 11,775,447 km (0.103 R)
• M19: 12,300,685 km (0.068 R)
• M20: 14,145,227 km (0.045 R)
• M21: 18,652,162 km (0.075 R)
• M22: 23,615,819 km (0.061 R)
• M23: 24,704,144 km (0.027 R)
• M24: 25,390,199 km (0.046 R)
• M25: 26,265,646 km (0.065 R)
• M26: 29,107,108 km (0.119 R)
• M27: 32,045,659 km (0.11 R)
• M28: 34,005,541 km (0.079 R)
• M29: 34,534,369 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 18,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit