🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 42.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,963,965 km

• M1: 110,702 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 31.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,963,965 km

• M1: 53,706 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 14.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.77 AU - 2.65 AU

Year: 2121 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,963,965 km

• M1: 185,352 km (0.106 R)
• M2: 724,951 km (0.099 R)
• M3: 1,567,636 km (0.051 R)
• M4: 2,257,282 km (0.12 R)
• M5: 3,282,626 km (0.082 R)
• M6: 4,017,750 km (0.112 R)
• M7: 4,820,343 km (0.055 R)
• M8: 5,819,656 km (0.057 R)
• M9: 6,797,578 km (0.073 R)
• M10: 7,968,331 km (0.048 R)
• M11: 8,708,690 km (0.097 R)
• M12: 9,429,902 km (0.096 R)
• M13: 9,954,990 km (0.095 R)
• M14: 10,430,263 km (0.067 R)
• M15: 11,390,232 km (0.036 R)
• M16: 11,872,985 km (0.092 R)
• M17: 13,486,098 km (0.119 R)
• M18: 14,069,231 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.6

Radius: 9.3

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.44 AU - 3.04 AU

Year: 2928 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,963,965 km

• M1: 115,639 km (0.071 R)
• M2: 468,092 km (0.073 R)
• M3: 769,831 km (0.076 R)
• M4: 1,128,566 km (0.105 R)
• M5: 1,480,570 km (0.064 R)
• M6: 2,087,339 km (0.107 R)
• M7: 2,486,317 km (0.077 R)
• M8: 3,592,593 km (0.106 R)
• M9: 3,914,527 km (0.119 R)
• M10: 5,879,645 km (0.068 R)
• M11: 6,185,872 km (0.076 R)
• M12: 7,390,584 km (0.078 R)
• M13: 7,914,027 km (0.1 R)
• M14: 8,567,320 km (0.086 R)
• M15: 9,595,207 km (0.092 R)
• M16: 12,250,270 km (0.071 R)
• M17: 13,697,480 km (0.065 R)
• M18: 16,375,881 km (0.035 R)
• M19: 17,208,991 km (0.11 R)
• M20: 22,003,453 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.6

Radius: 10.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.31 AU - 3.31 AU

Year: 3041 Days

Day: 14.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,963,965 km

• M1: 126,859 km (0.096 R)
• M2: 509,381 km (0.059 R)
• M3: 1,318,107 km (0.083 R)
• M4: 1,841,999 km (0.092 R)
• M5: 2,315,625 km (0.106 R)
• M6: 3,993,366 km (0.104 R)
• M7: 5,439,079 km (0.095 R)
• M8: 7,702,346 km (0.028 R)
• M9: 8,625,065 km (0.113 R)
• M10: 12,837,741 km (0.073 R)
• M11: 14,276,274 km (0.073 R)
• M12: 16,026,420 km (0.049 R)
• M13: 18,884,188 km (0.072 R)
• M14: 19,234,397 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 8.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.41 AU - 3.85 AU

Year: 4466 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,963,965 km

• M1: 103,223 km (0.117 R)
• M2: 468,541 km (0.118 R)
• M3: 1,183,918 km (0.045 R)
• M4: 1,546,094 km (0.043 R)
• M5: 1,903,483 km (0.057 R)
• M6: 2,404,487 km (0.056 R)
• M7: 3,792,007 km (0.108 R)
• M8: 4,332,504 km (0.116 R)
• M9: 5,329,275 km (0.055 R)
• M10: 5,757,124 km (0.104 R)
• M11: 6,989,961 km (0.064 R)
• M12: 7,275,543 km (0.1 R)
• M13: 9,889,018 km (0.092 R)
• M14: 11,167,481 km (0.088 R)
• M15: 11,514,548 km (0.056 R)
• M16: 12,048,613 km (0.065 R)
• M17: 12,786,429 km (0.114 R)
• M18: 15,022,768 km (0.089 R)
• M19: 16,763,489 km (0.102 R)
• M20: 22,305,491 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.8

Radius: 5.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.87 AU - 9.15 AU

Year: 13288 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,963,965 km

• M1: 109,356 km (0.116 R)
• M2: 471,682 km (0.116 R)
• M3: 680,371 km (0.119 R)
• M4: 992,432 km (0.071 R)
• M5: 2,266,707 km (0.045 R)
• M6: 2,592,232 km (0.106 R)
• M7: 3,355,779 km (0.08 R)
• M8: 3,553,099 km (0.12 R)
• M9: 3,821,178 km (0.094 R)
• M10: 4,102,572 km (0.069 R)
• M11: 4,351,503 km (0.115 R)
• M12: 4,658,777 km (0.079 R)
• M13: 5,612,613 km (0.108 R)
• M14: 7,132,228 km (0.049 R)
• M15: 8,795,158 km (0.107 R)
• M16: 11,129,633 km (0.073 R)
• M17: 12,674,530 km (0.071 R)
• M18: 13,301,195 km (0.068 R)
• M19: 15,305,358 km (0.075 R)
• M20: 18,583,945 km (0.104 R)
• M21: 19,266,411 km (0.05 R)
• M22: 21,145,509 km (0.093 R)
• M23: 21,616,743 km (0.113 R)
• M24: 23,357,015 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 17,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit