🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.67 AU - 0.67 AU

Year: 230 Days

Day: 35.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.64 AU - 0.76 AU

Year: 245 Days

Day: 38.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.01 AU - 1.37 AU

Year: 544 Days

Day: 18.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.07 AU - 1.69 AU

Year: 679 Days

Day: 21.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.55 AU - 2.19 AU

Year: 1071 Days

Day: 14.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 11

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.01 AU - 3.05 AU

Year: 2210 Days

Day: 10.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,706,367 km

• M1: 138,528 km (0.055 R)
• M2: 545,883 km (0.12 R)
• M3: 923,767 km (0.06 R)
• M4: 1,289,534 km (0.071 R)
• M5: 1,632,562 km (0.083 R)
• M6: 2,048,294 km (0.104 R)
• M7: 2,700,541 km (0.114 R)
• M8: 3,533,352 km (0.088 R)
• M9: 4,510,825 km (0.069 R)
• M10: 6,697,347 km (0.111 R)
• M11: 8,132,140 km (0.071 R)
• M12: 8,877,586 km (0.092 R)
• M13: 9,236,771 km (0.046 R)
• M14: 9,730,893 km (0.114 R)
• M15: 12,507,728 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 8

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.99 AU - 5.53 AU

Year: 4351 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,706,367 km

• M1: 99,483 km (0.118 R)
• M2: 371,452 km (0.05 R)
• M3: 1,189,752 km (0.089 R)
• M4: 1,670,709 km (0.05 R)
• M5: 2,093,473 km (0.081 R)
• M6: 2,451,909 km (0.112 R)
• M7: 3,292,649 km (0.098 R)
• M8: 3,604,710 km (0.111 R)
• M9: 4,028,521 km (0.092 R)
• M10: 4,337,291 km (0.087 R)
• M11: 5,002,702 km (0.051 R)
• M12: 5,473,188 km (0.057 R)
• M13: 6,664,585 km (0.103 R)
• M14: 8,281,738 km (0.089 R)
• M15: 8,626,412 km (0.085 R)
• M16: 10,763,268 km (0.079 R)
• M17: 11,081,761 km (0.107 R)
• M18: 13,126,914 km (0.04 R)
• M19: 13,754,627 km (0.098 R)
• M20: 14,129,968 km (0.101 R)
• M21: 14,402,236 km (0.057 R)
• M22: 15,069,891 km (0.099 R)
• M23: 15,526,464 km (0.099 R)
• M24: 16,347,457 km (0.094 R)
• M25: 17,012,569 km (0.12 R)
• M26: 20,403,504 km (0.086 R)
• M27: 22,998,728 km (0.07 R)
• M28: 24,375,327 km (0.083 R)
• M29: 25,806,081 km (0.097 R)
• M30: 28,746,876 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 10.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.53 AU - 5.13 AU

Year: 4447 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,706,367 km

• M1: 135,536 km (0.062 R)
• M2: 478,863 km (0.073 R)
• M3: 841,937 km (0.107 R)
• M4: 1,387,969 km (0.111 R)
• M5: 2,190,562 km (0.069 R)
• M6: 3,181,049 km (0.106 R)
• M7: 5,584,189 km (0.061 R)
• M8: 6,548,946 km (0.119 R)
• M9: 7,105,001 km (0.114 R)
• M10: 7,834,889 km (0.065 R)
• M11: 8,499,852 km (0.083 R)
• M12: 9,485,253 km (0.109 R)
• M13: 10,069,433 km (0.069 R)
• M14: 10,589,136 km (0.071 R)
• M15: 16,104,061 km (0.114 R)
• M16: 16,457,112 km (0.066 R)
• M17: 16,875,687 km (0.107 R)
• M18: 17,424,113 km (0.043 R)
• M19: 18,814,924 km (0.073 R)
• M20: 22,761,166 km (0.102 R)
• M21: 28,751,065 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.3

Radius: 11.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.77 AU - 10.21 AU

Year: 11293 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,706,367 km

• M1: 160,967 km (0.119 R)
• M2: 582,534 km (0.104 R)
• M3: 1,346,979 km (0.051 R)
• M4: 2,827,549 km (0.104 R)
• M5: 3,466,931 km (0.119 R)
• M6: 3,900,764 km (0.102 R)
• M7: 6,120,647 km (0.092 R)
• M8: 7,859,872 km (0.106 R)
• M9: 9,269,084 km (0.101 R)
• M10: 14,116,653 km (0.119 R)
• M11: 16,119,320 km (0.092 R)
• M12: 17,188,646 km (0.073 R)
• M13: 20,434,321 km (0.077 R)
• M14: 22,812,329 km (0.099 R)
• M15: 27,909,278 km (0.102 R)
• M16: 34,062,687 km (0.101 R)
• M17: 37,638,525 km (0.099 R)
• M18: 39,899,996 km (0.095 R)
• M19: 40,414,613 km (0.084 R)
• M20: 43,595,811 km (0.11 R)
• M21: 44,969,270 km (0.104 R)
• M22: 47,370,016 km (0.096 R)
• M23: 49,410,382 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.9

Radius: 7.3

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 15.27 AU - 16.35 AU

Year: 26338 Days

Day: 15.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,706,367 km

• M1: 90,806 km (0.067 R)
• M2: 350,957 km (0.068 R)
• M3: 611,706 km (0.03 R)
• M4: 910,303 km (0.104 R)
• M5: 1,148,463 km (0.105 R)
• M6: 1,792,033 km (0.079 R)
• M7: 3,348,300 km (0.07 R)
• M8: 4,024,482 km (0.045 R)
• M9: 5,089,020 km (0.069 R)
• M10: 5,322,692 km (0.081 R)
• M11: 16,574,546 km (0.091 R)
• M12: 19,540,474 km (0.042 R)
• M13: 20,406,945 km (0.106 R)
• M14: 23,480,283 km (0.066 R)
• M15: 27,202,578 km (0.076 R)
• M16: 29,389,848 km (0.027 R)
• M17: 30,017,710 km (0.107 R)
• M18: 32,886,698 km (0.074 R)
• M19: 33,836,645 km (0.117 R)
• M20: 34,111,306 km (0.117 R)
• M21: 39,770,744 km (0.057 R)
• M22: 41,160,209 km (0.066 R)
• M23: 45,189,178 km (0.107 R)
• M24: 51,079,595 km (0.111 R)
• M25: 54,962,258 km (0.101 R)
• M26: 57,461,889 km (0.055 R)
• M27: 73,837,619 km (0.093 R)
• M28: 76,640,784 km (0.118 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: 536 - 14,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit