🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 219 Days

Day: 23.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.66 AU - 0.84 AU

Year: 278 Days

Day: 12.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.67 AU - 0.95 AU

Year: 312 Days

Day: 37.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.45 AU - 2.01 AU

Year: 973 Days

Day: 46.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,992,413 km

• M1: 65,075 km (0.108 R)
• M2: 117,584 km (0.059 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.67 AU - 2.05 AU

Year: 1084 Days

Day: 28.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.84 AU - 2.22 AU

Year: 1236 Days

Day: 40.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 14.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.96 AU - 4.72 AU

Year: 3217 Days

Day: 8.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,992,413 km

• M1: 185,950 km (0.102 R)
• M2: 661,821 km (0.077 R)
• M3: 1,126,023 km (0.036 R)
• M4: 1,707,211 km (0.108 R)
• M5: 2,371,874 km (0.105 R)
• M6: 3,351,291 km (0.101 R)
• M7: 3,833,146 km (0.057 R)
• M8: 4,772,022 km (0.092 R)
• M9: 5,334,510 km (0.077 R)
• M10: 6,107,034 km (0.072 R)
• M11: 6,682,537 km (0.089 R)
• M12: 7,389,088 km (0.113 R)
• M13: 7,876,328 km (0.087 R)
• M14: 8,454,673 km (0.091 R)
• M15: 8,952,086 km (0.098 R)
• M16: 9,811,975 km (0.098 R)
• M17: 10,361,897 km (0.065 R)
• M18: 11,352,833 km (0.106 R)
• M19: 12,633,391 km (0.1 R)
• M20: 13,143,519 km (0.102 R)
• M21: 14,304,848 km (0.117 R)
• M22: 15,064,655 km (0.108 R)
• M23: 19,580,865 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 9.4

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.68 AU - 8.52 AU

Year: 8088 Days

Day: 10.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,992,413 km

• M1: 161,715 km (0.11 R)
• M2: 475,721 km (0.118 R)
• M3: 1,052,122 km (0.065 R)
• M4: 1,543,102 km (0.113 R)
• M5: 2,031,539 km (0.085 R)
• M6: 5,082,588 km (0.081 R)
• M7: 6,819,569 km (0.107 R)
• M8: 8,348,459 km (0.116 R)
• M9: 9,285,390 km (0.071 R)
• M10: 9,996,429 km (0.058 R)
• M11: 16,227,928 km (0.045 R)
• M12: 17,118,933 km (0.08 R)
• M13: 22,402,281 km (0.094 R)
• M14: 24,203,739 km (0.119 R)
• M15: 28,680,305 km (0.098 R)
• M16: 30,595,009 km (0.117 R)
• M17: 32,808,907 km (0.081 R)
• M18: 33,351,349 km (0.082 R)
• M19: 36,153,766 km (0.1 R)
• M20: 36,732,411 km (0.052 R)
• M21: 37,908,549 km (0.083 R)
• M22: 39,841,952 km (0.087 R)
• M23: 41,713,571 km (0.094 R)
• M24: 43,122,783 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 10.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.5 AU - 9.74 AU

Year: 9892 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,992,413 km

• M1: 125,662 km (0.068 R)
• M2: 457,470 km (0.053 R)
• M3: 975,528 km (0.112 R)
• M4: 1,343,090 km (0.113 R)
• M5: 1,746,106 km (0.101 R)
• M6: 2,332,829 km (0.081 R)
• M7: 6,107,034 km (0.071 R)
• M8: 6,632,422 km (0.049 R)
• M9: 7,302,470 km (0.082 R)
• M10: 8,690,589 km (0.118 R)
• M11: 9,818,258 km (0.092 R)
• M12: 10,638,952 km (0.098 R)
• M13: 11,040,772 km (0.099 R)
• M14: 12,975,371 km (0.084 R)
• M15: 13,434,338 km (0.091 R)
• M16: 14,203,121 km (0.104 R)
• M17: 15,000,926 km (0.077 R)
• M18: 17,713,435 km (0.102 R)
• M19: 22,330,175 km (0.087 R)
• M20: 23,324,253 km (0.101 R)
• M21: 26,943,773 km (0.105 R)
• M22: 28,070,245 km (0.114 R)
• M23: 28,838,430 km (0.086 R)
• M24: 30,316,457 km (0.058 R)
• M25: 32,785,421 km (0.046 R)
• M26: 37,308,363 km (0.103 R)
• M27: 39,299,959 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 16,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit