🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.61 AU - 0.69 AU

Year: 338 Days

Day: 23.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 10.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 370 Days

Day: 6.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,483,759 km

• M1: 130,599 km (0.082 R)
• M2: 466,745 km (0.112 R)
• M3: 1,058,704 km (0.115 R)
• M4: 1,951,055 km (0.117 R)
• M5: 2,410,620 km (0.117 R)
• M6: 2,789,402 km (0.087 R)
• M7: 3,142,453 km (0.088 R)
• M8: 3,864,412 km (0.05 R)
• M9: 4,837,696 km (0.099 R)
• M10: 5,273,026 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,483,759 km

• M1: 133,142 km (0.083 R)
• M2: 487,240 km (0.059 R)
• M3: 966,253 km (0.034 R)
• M4: 1,358,498 km (0.041 R)
• M5: 1,942,977 km (0.107 R)
• M6: 2,581,461 km (0.077 R)
• M7: 2,998,241 km (0.074 R)
• M8: 3,555,343 km (0.094 R)
• M9: 3,942,801 km (0.096 R)
• M10: 4,427,947 km (0.052 R)
• M11: 4,847,569 km (0.105 R)
• M12: 5,551,278 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 11

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,483,759 km

• M1: 137,480 km (0.114 R)
• M2: 791,223 km (0.058 R)
• M3: 1,294,620 km (0.048 R)
• M4: 1,696,889 km (0.12 R)
• M5: 2,143,737 km (0.116 R)
• M6: 2,569,493 km (0.116 R)
• M7: 2,991,808 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.65 AU - 1.65 AU

Year: 1368 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,483,759 km

• M1: 137,331 km (0.076 R)
• M2: 496,665 km (0.104 R)
• M3: 1,107,623 km (0.092 R)
• M4: 1,569,431 km (0.097 R)
• M5: 2,798,079 km (0.094 R)
• M6: 3,947,140 km (0.099 R)
• M7: 4,517,706 km (0.103 R)
• M8: 5,023,048 km (0.112 R)
• M9: 6,403,387 km (0.105 R)
• M10: 7,344,507 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 12.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.48 AU - 1.82 AU

Year: 1368 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,483,759 km

• M1: 154,235 km (0.102 R)
• M2: 565,480 km (0.091 R)
• M3: 1,133,653 km (0.081 R)
• M4: 1,682,228 km (0.113 R)
• M5: 2,190,262 km (0.052 R)
• M6: 2,852,233 km (0.087 R)
• M7: 3,399,761 km (0.041 R)
• M8: 3,900,615 km (0.082 R)
• M9: 4,820,193 km (0.074 R)
• M10: 5,413,498 km (0.027 R)
• M11: 6,055,123 km (0.1 R)
• M12: 7,287,211 km (0.118 R)
• M13: 8,623,120 km (0.092 R)
• M14: 9,959,478 km (0.115 R)
• M15: 10,891,174 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 10.5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.82 AU - 2.08 AU

Year: 1758 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,483,759 km

• M1: 130,599 km (0.108 R)
• M2: 1,213,987 km (0.095 R)
• M3: 1,552,975 km (0.071 R)
• M4: 1,967,810 km (0.101 R)
• M5: 3,571,948 km (0.102 R)
• M6: 5,153,796 km (0.101 R)
• M7: 6,062,155 km (0.104 R)
• M8: 6,581,409 km (0.097 R)
• M9: 7,590,895 km (0.076 R)
• M10: 10,526,454 km (0.072 R)
• M11: 11,432,120 km (0.074 R)
• M12: 12,844,922 km (0.067 R)
• M13: 13,226,397 km (0.119 R)
• M14: 14,190,704 km (0.097 R)
• M15: 16,014,302 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.3

Radius: 5.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.14 AU - 9.46 AU

Year: 15439 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,483,759 km

• M1: 73,453 km (0.096 R)
• M2: 600,785 km (0.066 R)
• M3: 968,646 km (0.118 R)
• M4: 1,582,446 km (0.088 R)
• M5: 3,559,981 km (0.101 R)
• M6: 5,306,087 km (0.071 R)
• M7: 10,588,537 km (0.116 R)
• M8: 14,240,371 km (0.116 R)
• M9: 16,494,362 km (0.073 R)
• M10: 22,999,027 km (0.045 R)
• M11: 27,141,691 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 16,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit