🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.79 AU - 1.15 AU

Year: 408 Days

Day: 39.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.75 AU - 2.73 AU

Year: 1433 Days

Day: 42.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,449,541 km

• M1: 1,263,055 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 12

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.2 AU - 4.46 AU

Year: 3852 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,449,541 km

• M1: 149,299 km (0.101 R)
• M2: 527,931 km (0.063 R)
• M3: 994,676 km (0.114 R)
• M4: 1,709,156 km (0.066 R)
• M5: 2,832,486 km (0.05 R)
• M6: 3,753,710 km (0.083 R)
• M7: 6,473,848 km (0.104 R)
• M8: 10,083,495 km (0.108 R)
• M9: 11,723,387 km (0.089 R)
• M10: 14,117,102 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 8.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.48 AU - 5.62 AU

Year: 4149 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,449,541 km

• M1: 109,506 km (0.077 R)
• M2: 1,100,143 km (0.068 R)
• M3: 1,482,515 km (0.094 R)
• M4: 2,098,260 km (0.089 R)
• M5: 2,709,068 km (0.051 R)
• M6: 3,245,975 km (0.093 R)
• M7: 5,036,063 km (0.093 R)
• M8: 6,387,829 km (0.085 R)
• M9: 6,836,772 km (0.069 R)
• M10: 7,631,885 km (0.105 R)
• M11: 9,907,717 km (0.076 R)
• M12: 10,387,627 km (0.051 R)
• M13: 13,260,804 km (0.082 R)
• M14: 13,598,746 km (0.11 R)
• M15: 14,393,110 km (0.117 R)
• M16: 15,323,160 km (0.082 R)
• M17: 16,347,906 km (0.113 R)
• M18: 18,294,623 km (0.065 R)
• M19: 20,073,042 km (0.092 R)
• M20: 20,390,938 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 12.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.52 AU - 6.1 AU

Year: 5231 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,449,541 km

• M1: 153,039 km (0.069 R)
• M2: 622,477 km (0.097 R)
• M3: 1,272,928 km (0.117 R)
• M4: 1,757,476 km (0.114 R)
• M5: 2,189,066 km (0.098 R)
• M6: 2,585,350 km (0.099 R)
• M7: 3,010,508 km (0.101 R)
• M8: 3,460,947 km (0.057 R)
• M9: 4,473,126 km (0.101 R)
• M10: 5,856,757 km (0.11 R)
• M11: 6,766,012 km (0.038 R)
• M12: 8,070,656 km (0.092 R)
• M13: 9,029,279 km (0.075 R)
• M14: 9,622,733 km (0.066 R)
• M15: 12,108,452 km (0.048 R)
• M16: 13,095,648 km (0.108 R)
• M17: 13,967,953 km (0.098 R)
• M18: 17,587,025 km (0.101 R)
• M19: 20,249,119 km (0.067 R)
• M20: 21,638,883 km (0.103 R)
• M21: 22,471,844 km (0.107 R)
• M22: 24,282,876 km (0.11 R)
• M23: 26,616,453 km (0.093 R)
• M24: 29,004,783 km (0.099 R)
• M25: 31,822,160 km (0.049 R)
• M26: 32,211,264 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 13

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.95 AU - 9.87 AU

Year: 10426 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,449,541 km

• M1: 162,014 km (0.057 R)
• M2: 619,934 km (0.099 R)
• M3: 1,117,197 km (0.11 R)
• M4: 1,701,077 km (0.081 R)
• M5: 2,117,408 km (0.069 R)
• M6: 2,704,430 km (0.111 R)
• M7: 3,279,036 km (0.089 R)
• M8: 3,988,279 km (0.114 R)
• M9: 5,112,058 km (0.066 R)
• M10: 7,058,626 km (0.089 R)
• M11: 7,805,867 km (0.077 R)
• M12: 8,288,021 km (0.116 R)
• M13: 9,215,977 km (0.111 R)
• M14: 10,843,153 km (0.107 R)
• M15: 14,398,197 km (0.114 R)
• M16: 15,532,149 km (0.105 R)
• M17: 23,348,787 km (0.088 R)
• M18: 23,801,620 km (0.092 R)
• M19: 25,480,706 km (0.108 R)
• M20: 29,178,017 km (0.085 R)
• M21: 29,598,088 km (0.065 R)
• M22: 34,139,132 km (0.034 R)
• M23: 38,871,062 km (0.061 R)
• M24: 42,391,997 km (0.059 R)
• M25: 43,066,534 km (0.113 R)
• M26: 43,748,252 km (0.111 R)
• M27: 45,413,874 km (0.045 R)
• M28: 47,554,770 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 13.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.23 AU - 9.49 AU

Year: 11274 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,449,541 km

• M1: 168,148 km (0.067 R)
• M2: 693,237 km (0.119 R)
• M3: 1,248,843 km (0.051 R)
• M4: 2,316,224 km (0.058 R)
• M5: 2,966,975 km (0.048 R)
• M6: 4,341,929 km (0.114 R)
• M7: 5,574,465 km (0.061 R)
• M8: 6,143,237 km (0.081 R)
• M9: 7,273,000 km (0.068 R)
• M10: 8,354,293 km (0.103 R)
• M11: 9,589,972 km (0.119 R)
• M12: 13,709,598 km (0.074 R)
• M13: 17,728,096 km (0.107 R)
• M14: 19,519,231 km (0.106 R)
• M15: 21,686,007 km (0.07 R)
• M16: 23,549,697 km (0.106 R)
• M17: 29,038,742 km (0.117 R)
• M18: 30,317,056 km (0.109 R)
• M19: 35,807,148 km (0.049 R)
• M20: 43,558,412 km (0.047 R)
• M21: 51,122,529 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567

Radius: 7.7

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 10.28 AU - 14.6 AU

Year: 18757 Days

Day: 19.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,449,541 km

• M1: 95,743 km (0.092 R)
• M2: 419,921 km (0.1 R)
• M3: 728,841 km (0.115 R)
• M4: 1,456,186 km (0.059 R)
• M5: 2,232,150 km (0.076 R)
• M6: 3,102,361 km (0.12 R)
• M7: 3,502,236 km (0.046 R)
• M8: 4,150,443 km (0.064 R)
• M9: 5,839,403 km (0.112 R)
• M10: 6,705,725 km (0.066 R)
• M11: 8,691,337 km (0.075 R)
• M12: 10,680,690 km (0.092 R)
• M13: 11,100,012 km (0.12 R)
• M14: 12,099,775 km (0.077 R)
• M15: 12,687,844 km (0.026 R)
• M16: 13,158,330 km (0.086 R)
• M17: 14,205,664 km (0.089 R)
• M18: 14,639,797 km (0.063 R)
• M19: 15,534,542 km (0.081 R)
• M20: 15,995,453 km (0.117 R)
• M21: 17,432,789 km (0.087 R)
• M22: 18,608,629 km (0.077 R)
• M23: 20,838,684 km (0.115 R)
• M24: 23,742,678 km (0.119 R)
• M25: 25,821,939 km (0.075 R)
• M26: 30,577,655 km (0.101 R)
• M27: 32,284,268 km (0.11 R)
• M28: 42,370,605 km (0.092 R)
• M29: 53,148,683 km (0.06 R)
• M30: 53,495,750 km (0.107 R)
• M31: 54,546,226 km (0.104 R)
• M32: 57,597,125 km (0.1 R)
• M33: 57,963,490 km (0.085 R)
• M34: 64,232,987 km (0.11 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: 467 - 13,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit