🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.98 AU - 1.38 AU

Year: 485 Days

Day: 39.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.16 AU - 1.66 AU

Year: 634 Days

Day: 25.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.69 AU - 2.25 AU

Year: 1047 Days

Day: 37.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 113.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,503,958 km

• M1: 215,720 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.58 AU - 4.24 AU

Year: 2928 Days

Day: 37.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 13.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.85 AU - 8.87 AU

Year: 9988 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,503,958 km

• M1: 171,589 km (0.049 R)
• M2: 832,811 km (0.109 R)
• M3: 1,404,275 km (0.106 R)
• M4: 2,235,740 km (0.071 R)
• M5: 2,958,597 km (0.104 R)
• M6: 4,217,314 km (0.073 R)
• M7: 5,032,323 km (0.11 R)
• M8: 7,179,052 km (0.084 R)
• M9: 7,767,271 km (0.1 R)
• M10: 11,096,272 km (0.116 R)
• M11: 12,233,366 km (0.06 R)
• M12: 14,408,369 km (0.05 R)
• M13: 15,901,057 km (0.085 R)
• M14: 17,049,669 km (0.077 R)
• M15: 19,192,210 km (0.107 R)
• M16: 22,556,517 km (0.085 R)
• M17: 27,493,545 km (0.101 R)
• M18: 29,146,901 km (0.103 R)
• M19: 29,890,702 km (0.087 R)
• M20: 32,085,901 km (0.069 R)
• M21: 33,222,845 km (0.086 R)
• M22: 33,917,876 km (0.064 R)
• M23: 35,939,692 km (0.112 R)
• M24: 41,012,107 km (0.062 R)
• M25: 49,336,181 km (0.11 R)
• M26: 51,618,895 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 8.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.34 AU - 11.66 AU

Year: 11977 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,503,958 km

• M1: 103,671 km (0.102 R)
• M2: 990,188 km (0.081 R)
• M3: 1,472,193 km (0.066 R)
• M4: 1,760,917 km (0.095 R)
• M5: 2,371,725 km (0.103 R)
• M6: 2,902,947 km (0.078 R)
• M7: 3,686,840 km (0.089 R)
• M8: 5,145,868 km (0.097 R)
• M9: 11,007,411 km (0.05 R)
• M10: 11,339,219 km (0.06 R)
• M11: 12,579,236 km (0.051 R)
• M12: 14,977,440 km (0.102 R)
• M13: 17,923,919 km (0.075 R)
• M14: 19,532,844 km (0.042 R)
• M15: 20,657,671 km (0.096 R)
• M16: 21,455,476 km (0.039 R)
• M17: 22,958,636 km (0.063 R)
• M18: 23,267,555 km (0.101 R)
• M19: 24,934,674 km (0.076 R)
• M20: 27,193,303 km (0.096 R)
• M21: 28,239,590 km (0.088 R)
• M22: 28,772,757 km (0.1 R)
• M23: 30,042,693 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.3

Radius: 5.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.12 AU - 13.98 AU

Year: 15843 Days

Day: 18.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,503,958 km

• M1: 72,555 km (0.046 R)
• M2: 268,827 km (0.106 R)
• M3: 533,466 km (0.09 R)
• M4: 1,089,222 km (0.052 R)
• M5: 1,267,692 km (0.111 R)
• M6: 1,725,761 km (0.109 R)
• M7: 2,000,572 km (0.074 R)
• M8: 2,493,946 km (0.116 R)
• M9: 3,147,090 km (0.117 R)
• M10: 4,702,759 km (0.04 R)
• M11: 5,269,735 km (0.085 R)
• M12: 6,203,824 km (0.03 R)
• M13: 9,226,897 km (0.117 R)
• M14: 15,404,841 km (0.067 R)
• M15: 16,268,170 km (0.072 R)
• M16: 17,098,139 km (0.09 R)
• M17: 23,715,002 km (0.069 R)
• M18: 25,964,206 km (0.102 R)
• M19: 27,184,775 km (0.105 R)
• M20: 27,809,047 km (0.116 R)
• M21: 28,901,561 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 6.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 14.52 AU - 20.46 AU

Year: 27703 Days

Day: 18.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,503,958 km

• M1: 83,326 km (0.082 R)
• M2: 597,793 km (0.091 R)
• M3: 1,298,360 km (0.067 R)
• M4: 1,669,512 km (0.077 R)
• M5: 2,128,778 km (0.091 R)
• M6: 2,691,415 km (0.09 R)
• M7: 3,901,213 km (0.033 R)
• M8: 4,229,880 km (0.078 R)
• M9: 4,977,271 km (0.104 R)
• M10: 6,080,256 km (0.052 R)
• M11: 10,355,613 km (0.117 R)
• M12: 13,566,133 km (0.092 R)
• M13: 16,755,261 km (0.034 R)
• M14: 16,989,381 km (0.072 R)
• M15: 17,384,320 km (0.109 R)
• M16: 24,767,423 km (0.057 R)
• M17: 46,812,315 km (0.107 R)
• M18: 57,760,635 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 19,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit