🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.52 AU - 0.82 AU

Year: 236 Days

Day: 28.3 Hours

Environment

Temp: 11 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.8 AU - 1.26 AU

Year: 450 Days

Day: 17 Hours

Environment

Temp: -62 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.08 AU - 1.58 AU

Year: 660 Days

Day: 45.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.73 AU - 2.65 AU

Year: 1395 Days

Day: 41.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 10.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.75 AU - 3.37 AU

Year: 2304 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,679,366 km

• M1: 128,205 km (0.094 R)
• M2: 702,811 km (0.051 R)
• M3: 1,171,950 km (0.104 R)
• M4: 1,589,029 km (0.113 R)
• M5: 2,942,291 km (0.105 R)
• M6: 4,791,171 km (0.034 R)
• M7: 5,624,581 km (0.081 R)
• M8: 6,179,738 km (0.042 R)
• M9: 8,035,650 km (0.098 R)
• M10: 8,447,343 km (0.064 R)
• M11: 8,906,309 km (0.049 R)
• M12: 10,421,137 km (0.12 R)
• M13: 10,834,925 km (0.107 R)
• M14: 12,898,029 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 12.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.64 AU - 4.4 AU

Year: 3469 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,679,366 km

• M1: 154,235 km (0.099 R)
• M2: 659,727 km (0.09 R)
• M3: 1,510,789 km (0.059 R)
• M4: 2,028,547 km (0.116 R)
• M5: 3,163,995 km (0.052 R)
• M6: 4,425,105 km (0.05 R)
• M7: 4,954,382 km (0.105 R)
• M8: 6,957,348 km (0.118 R)
• M9: 7,742,737 km (0.11 R)
• M10: 9,607,923 km (0.109 R)
• M11: 10,332,875 km (0.106 R)
• M12: 11,093,729 km (0.104 R)
• M13: 11,621,660 km (0.077 R)
• M14: 13,852,314 km (0.076 R)
• M15: 14,672,858 km (0.082 R)
• M16: 15,417,407 km (0.102 R)
• M17: 16,411,186 km (0.065 R)
• M18: 17,565,184 km (0.083 R)
• M19: 19,905,642 km (0.098 R)
• M20: 23,292,538 km (0.104 R)
• M21: 23,723,230 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 13.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.78 AU - 6.12 AU

Year: 4741 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,679,366 km

• M1: 174,581 km (0.119 R)
• M2: 705,504 km (0.077 R)
• M3: 1,285,046 km (0.111 R)
• M4: 1,920,238 km (0.115 R)
• M5: 2,510,551 km (0.101 R)
• M6: 4,616,141 km (0.076 R)
• M7: 10,099,951 km (0.11 R)
• M8: 10,705,074 km (0.066 R)
• M9: 11,943,744 km (0.107 R)
• M10: 12,852,402 km (0.086 R)
• M11: 17,751,732 km (0.036 R)
• M12: 21,066,671 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.1

Radius: 7.5

Gravity: 15.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 9.55 AU - 14.01 AU

Year: 17404 Days

Day: 16 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,679,366 km

• M1: 98,136 km (0.12 R)
• M2: 338,241 km (0.096 R)
• M3: 1,086,829 km (0.081 R)
• M4: 1,806,394 km (0.102 R)
• M5: 2,093,622 km (0.087 R)
• M6: 2,736,145 km (0.067 R)
• M7: 3,389,888 km (0.085 R)
• M8: 7,402,701 km (0.057 R)
• M9: 7,644,152 km (0.119 R)
• M10: 8,557,447 km (0.078 R)
• M11: 9,484,954 km (0.116 R)
• M12: 10,119,847 km (0.082 R)
• M13: 10,721,231 km (0.119 R)
• M14: 17,589,568 km (0.052 R)
• M15: 18,546,845 km (0.108 R)
• M16: 23,650,825 km (0.047 R)
• M17: 25,032,062 km (0.043 R)
• M18: 27,032,186 km (0.039 R)
• M19: 28,897,521 km (0.072 R)
• M20: 32,365,350 km (0.093 R)
• M21: 42,074,700 km (0.107 R)
• M22: 46,676,630 km (0.061 R)
• M23: 49,183,591 km (0.119 R)
• M24: 52,663,836 km (0.087 R)
• M25: 55,195,481 km (0.112 R)
• M26: 56,118,948 km (0.108 R)
• M27: 57,052,738 km (0.102 R)
• M28: 60,304,996 km (0.078 R)
• M29: 69,292,238 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 11,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit