🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.53 AU - 0.63 AU

Year: 285 Days

Day: 22.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 10.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.18 AU - 1.24 AU

Year: 859 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,166,091 km

• M1: 128,056 km (0.032 R)
• M2: 465,848 km (0.056 R)
• M3: 862,581 km (0.109 R)
• M4: 1,279,211 km (0.112 R)
• M5: 1,736,083 km (0.112 R)
• M6: 2,075,222 km (0.103 R)
• M7: 2,414,210 km (0.069 R)
• M8: 2,800,173 km (0.12 R)
• M9: 3,555,493 km (0.086 R)
• M10: 4,346,566 km (0.066 R)
• M11: 4,748,236 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 10.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.19 AU - 1.71 AU

Year: 1127 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,166,091 km

• M1: 131,796 km (0.11 R)
• M2: 546,032 km (0.087 R)
• M3: 975,677 km (0.095 R)
• M4: 1,403,976 km (0.056 R)
• M5: 2,162,138 km (0.088 R)
• M6: 3,734,112 km (0.07 R)
• M7: 4,180,662 km (0.106 R)
• M8: 4,944,359 km (0.049 R)
• M9: 5,581,048 km (0.119 R)
• M10: 6,250,498 km (0.062 R)
• M11: 6,837,371 km (0.066 R)
• M12: 7,295,439 km (0.109 R)
• M13: 8,661,717 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536

Radius: 12.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.5 AU - 1.8 AU

Year: 1368 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,166,091 km

• M1: 160,519 km (0.101 R)
• M2: 591,510 km (0.063 R)
• M3: 1,159,383 km (0.119 R)
• M4: 1,632,711 km (0.099 R)
• M5: 2,524,464 km (0.105 R)
• M6: 2,944,535 km (0.055 R)
• M7: 4,661,021 km (0.11 R)
• M8: 5,360,241 km (0.102 R)
• M9: 6,173,156 km (0.104 R)
• M10: 6,680,443 km (0.067 R)
• M11: 7,467,926 km (0.083 R)
• M12: 10,686,673 km (0.093 R)
• M13: 11,591,441 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 9.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.53 AU - 1.83 AU

Year: 1406 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,166,091 km

• M1: 114,442 km (0.028 R)
• M2: 420,071 km (0.097 R)
• M3: 774,618 km (0.069 R)
• M4: 1,217,427 km (0.118 R)
• M5: 1,823,897 km (0.069 R)
• M6: 2,500,379 km (0.041 R)
• M7: 3,407,391 km (0.08 R)
• M8: 4,189,638 km (0.079 R)
• M9: 5,296,961 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 8.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.57 AU - 1.93 AU

Year: 1495 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,166,091 km

• M1: 104,419 km (0.076 R)
• M2: 388,057 km (0.06 R)
• M3: 877,990 km (0.066 R)
• M4: 1,434,494 km (0.035 R)
• M5: 3,251,959 km (0.075 R)
• M6: 4,574,104 km (0.105 R)
• M7: 6,751,651 km (0.111 R)
• M8: 7,494,255 km (0.041 R)
• M9: 8,177,169 km (0.107 R)
• M10: 8,871,303 km (0.106 R)
• M11: 11,329,346 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 9.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.44 AU - 3.4 AU

Year: 3222 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,166,091 km

• M1: 147,653 km (0.117 R)
• M2: 660,475 km (0.075 R)
• M3: 1,078,900 km (0.073 R)
• M4: 1,802,355 km (0.094 R)
• M5: 2,575,627 km (0.109 R)
• M6: 3,478,898 km (0.116 R)
• M7: 4,340,133 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 13.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.2 AU - 4.24 AU

Year: 5597 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,166,091 km

• M1: 178,171 km (0.104 R)
• M2: 709,094 km (0.086 R)
• M3: 1,879,099 km (0.053 R)
• M4: 2,702,186 km (0.113 R)
• M5: 3,207,977 km (0.082 R)
• M6: 3,688,635 km (0.049 R)
• M7: 4,437,970 km (0.095 R)
• M8: 5,037,708 km (0.12 R)
• M9: 6,178,841 km (0.061 R)
• M10: 6,760,627 km (0.117 R)
• M11: 7,238,293 km (0.065 R)
• M12: 8,689,692 km (0.096 R)
• M13: 11,242,729 km (0.094 R)
• M14: 11,817,783 km (0.112 R)
• M15: 13,877,446 km (0.068 R)
• M16: 14,316,516 km (0.099 R)
• M17: 15,867,547 km (0.063 R)
• M18: 17,086,770 km (0.082 R)
• M19: 18,106,429 km (0.07 R)
• M20: 19,918,657 km (0.108 R)
• M21: 21,048,121 km (0.085 R)
• M22: 21,482,404 km (0.103 R)
• M23: 25,095,492 km (0.042 R)
• M24: 27,430,415 km (0.097 R)
• M25: 31,199,534 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 9.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.75 AU - 5.09 AU

Year: 6000 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,166,091 km

• M1: 118,482 km (0.095 R)
• M2: 550,819 km (0.043 R)
• M3: 898,036 km (0.1 R)
• M4: 2,743,326 km (0.071 R)
• M5: 3,082,763 km (0.094 R)
• M6: 3,498,496 km (0.081 R)
• M7: 4,872,851 km (0.054 R)
• M8: 5,908,518 km (0.082 R)
• M9: 6,308,542 km (0.093 R)
• M10: 10,057,764 km (0.117 R)
• M11: 12,820,238 km (0.026 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.6

Radius: 9.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.77 AU - 6.93 AU

Year: 9136 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,166,091 km

• M1: 208,390 km (0.115 R)
• M2: 1,104,780 km (0.106 R)
• M3: 1,493,136 km (0.078 R)
• M4: 3,791,109 km (0.069 R)
• M5: 6,689,269 km (0.072 R)
• M6: 8,721,855 km (0.106 R)
• M7: 9,750,191 km (0.096 R)
• M8: 11,997,300 km (0.107 R)
• M9: 14,071,475 km (0.069 R)
• M10: 18,257,672 km (0.094 R)
• M11: 19,522,971 km (0.106 R)
• M12: 20,421,755 km (0.104 R)
• M13: 21,492,876 km (0.102 R)
• M14: 22,751,443 km (0.094 R)
• M15: 28,018,634 km (0.052 R)
• M16: 28,630,190 km (0.071 R)
• M17: 29,161,562 km (0.11 R)
• M18: 29,789,723 km (0.053 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 18,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit