🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.47 AU - 2.29 AU

Year: 987 Days

Day: 41.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.11 AU - 2.71 AU

Year: 1433 Days

Day: 18.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,995,095 km

• M1: 264,788 km (0.068 R)
• M2: 650,152 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.41 AU - 3.85 AU

Year: 2648 Days

Day: 28.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 12.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.39 AU - 4.63 AU

Year: 3667 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 100,995,095 km

• M1: 168,447 km (0.108 R)
• M2: 859,889 km (0.117 R)
• M3: 1,278,164 km (0.071 R)
• M4: 1,978,731 km (0.114 R)
• M5: 2,488,411 km (0.107 R)
• M6: 2,958,447 km (0.09 R)
• M7: 3,733,514 km (0.102 R)
• M8: 4,353,448 km (0.098 R)
• M9: 5,067,029 km (0.034 R)
• M10: 6,297,173 km (0.05 R)
• M11: 6,727,715 km (0.068 R)
• M12: 7,343,610 km (0.109 R)
• M13: 7,821,126 km (0.068 R)
• M14: 8,428,942 km (0.093 R)
• M15: 11,004,569 km (0.12 R)
• M16: 12,567,717 km (0.051 R)
• M17: 13,553,866 km (0.096 R)
• M18: 16,016,995 km (0.059 R)
• M19: 16,474,017 km (0.07 R)
• M20: 17,057,448 km (0.108 R)
• M21: 20,449,879 km (0.089 R)
• M22: 22,588,231 km (0.114 R)
• M23: 23,822,264 km (0.101 R)
• M24: 25,330,959 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 13

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.54 AU - 8.8 AU

Year: 7351 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 100,995,095 km

• M1: 161,715 km (0.091 R)
• M2: 820,844 km (0.08 R)
• M3: 1,376,450 km (0.056 R)
• M4: 2,116,660 km (0.108 R)
• M5: 2,869,287 km (0.031 R)
• M6: 3,562,524 km (0.115 R)
• M7: 5,806,941 km (0.081 R)
• M8: 7,970,874 km (0.114 R)
• M9: 9,256,219 km (0.116 R)
• M10: 10,627,433 km (0.083 R)
• M11: 11,462,338 km (0.109 R)
• M12: 12,077,634 km (0.053 R)
• M13: 13,207,398 km (0.081 R)
• M14: 13,999,070 km (0.08 R)
• M15: 14,881,996 km (0.058 R)
• M16: 15,367,890 km (0.041 R)
• M17: 17,020,797 km (0.115 R)
• M18: 20,157,116 km (0.08 R)
• M19: 22,056,560 km (0.086 R)
• M20: 22,529,589 km (0.092 R)
• M21: 23,333,229 km (0.11 R)
• M22: 24,490,219 km (0.11 R)
• M23: 25,339,785 km (0.057 R)
• M24: 27,277,975 km (0.087 R)
• M25: 29,218,559 km (0.093 R)
• M26: 33,269,818 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 8.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.13 AU - 9.17 AU

Year: 8101 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 100,995,095 km

• M1: 109,506 km (0.103 R)
• M2: 386,561 km (0.117 R)
• M3: 878,289 km (0.084 R)
• M4: 1,540,409 km (0.116 R)
• M5: 4,069,511 km (0.093 R)
• M6: 4,831,114 km (0.086 R)
• M7: 5,121,633 km (0.062 R)
• M8: 6,547,450 km (0.099 R)
• M9: 7,720,896 km (0.115 R)
• M10: 9,322,191 km (0.11 R)
• M11: 10,762,220 km (0.043 R)
• M12: 14,224,065 km (0.104 R)
• M13: 15,180,444 km (0.119 R)
• M14: 19,255,789 km (0.116 R)
• M15: 21,706,651 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 13.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.95 AU - 10.99 AU

Year: 12971 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 100,995,095 km

• M1: 173,982 km (0.099 R)
• M2: 761,453 km (0.041 R)
• M3: 1,620,295 km (0.073 R)
• M4: 2,258,928 km (0.098 R)
• M5: 3,039,380 km (0.027 R)
• M6: 3,518,991 km (0.051 R)
• M7: 4,105,115 km (0.092 R)
• M8: 5,139,435 km (0.091 R)
• M9: 5,718,528 km (0.055 R)
• M10: 8,164,304 km (0.105 R)
• M11: 9,593,861 km (0.117 R)
• M12: 10,262,863 km (0.047 R)
• M13: 11,018,033 km (0.032 R)
• M14: 11,809,854 km (0.108 R)
• M15: 13,006,637 km (0.057 R)
• M16: 15,501,182 km (0.071 R)
• M17: 16,641,417 km (0.092 R)
• M18: 19,900,556 km (0.1 R)
• M19: 21,075,498 km (0.078 R)
• M20: 23,748,363 km (0.082 R)
• M21: 24,592,544 km (0.106 R)
• M22: 34,404,668 km (0.107 R)
• M23: 36,095,722 km (0.114 R)
• M24: 36,712,963 km (0.056 R)
• M25: 37,211,872 km (0.103 R)
• M26: 42,042,986 km (0.109 R)
• M27: 43,975,192 km (0.114 R)
• M28: 46,400,173 km (0.084 R)
• M29: 49,365,652 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.5

Radius: 3.1

Gravity: 88.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 15.99 AU - 18.51 AU

Year: 27432 Days

Day: 17.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 100,995,095 km

• M1: 49,068 km (0.084 R)
• M2: 180,415 km (0.094 R)
• M3: 327,619 km (0.099 R)
• M4: 720,164 km (0.08 R)
• M5: 883,076 km (0.114 R)
• M6: 1,282,951 km (0.101 R)
• M7: 1,673,402 km (0.098 R)
• M8: 1,833,472 km (0.1 R)
• M9: 2,450,264 km (0.102 R)
• M10: 2,683,487 km (0.11 R)
• M11: 3,633,732 km (0.087 R)
• M12: 3,800,235 km (0.067 R)
• M13: 3,936,967 km (0.108 R)
• M14: 4,479,259 km (0.104 R)
• M15: 5,755,030 km (0.109 R)
• M16: 5,935,595 km (0.068 R)
• M17: 6,355,516 km (0.034 R)
• M18: 7,788,514 km (0.099 R)
• M19: 8,291,462 km (0.092 R)
• M20: 10,386,879 km (0.073 R)
• M21: 13,195,579 km (0.11 R)
• M22: 15,935,614 km (0.114 R)
• M23: 16,291,507 km (0.046 R)
• M24: 16,652,637 km (0.072 R)
• M25: 17,390,902 km (0.11 R)
• M26: 18,833,624 km (0.101 R)
• M27: 22,729,152 km (0.063 R)
• M28: 26,877,651 km (0.078 R)
• M29: 32,916,169 km (0.091 R)
• M30: 35,867,585 km (0.104 R)
• M31: 36,632,031 km (0.044 R)
• M32: 36,940,801 km (0.075 R)
• M33: 37,251,366 km (0.096 R)
• M34: 38,035,259 km (0.098 R)
• M35: 43,487,054 km (0.077 R)
• M36: 50,573,954 km (0.081 R)
• M37: 54,489,828 km (0.095 R)
• M38: 57,140,552 km (0.087 R)
• M39: 59,449,446 km (0.113 R)
• M40: 61,167,278 km (0.094 R)
• M41: 78,140,653 km (0.08 R)
• M42: 87,970,130 km (0.12 R)
• M43: 91,326,658 km (0.036 R)
• M44: 99,788,512 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit