🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.94 AU - 1.42 AU

Year: 488 Days

Day: 37.8 Hours

Environment

Temp: -25 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.49 AU - 2.53 AU

Year: 1514 Days

Day: 37.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.82 AU - 3.86 AU

Year: 2865 Days

Day: 33.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,901,484 km

• M1: 161,865 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 11.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.33 AU - 7.15 AU

Year: 5237 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,901,484 km

• M1: 143,165 km (0.116 R)
• M2: 623,674 km (0.112 R)
• M3: 1,009,636 km (0.119 R)
• M4: 1,408,464 km (0.079 R)
• M5: 1,889,571 km (0.119 R)
• M6: 3,611,442 km (0.038 R)
• M7: 4,916,534 km (0.118 R)
• M8: 5,795,422 km (0.077 R)
• M9: 7,605,556 km (0.101 R)
• M10: 10,423,531 km (0.097 R)
• M11: 11,486,274 km (0.064 R)
• M12: 12,396,278 km (0.066 R)
• M13: 13,730,990 km (0.114 R)
• M14: 15,778,536 km (0.081 R)
• M15: 16,630,197 km (0.027 R)
• M16: 17,568,475 km (0.114 R)
• M17: 18,716,938 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 12.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.16 AU - 6.98 AU

Year: 6413 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,901,484 km

• M1: 154,086 km (0.086 R)
• M2: 724,802 km (0.115 R)
• M3: 1,591,572 km (0.114 R)
• M4: 2,085,993 km (0.111 R)
• M5: 2,475,396 km (0.111 R)
• M6: 3,756,552 km (0.107 R)
• M7: 6,528,002 km (0.034 R)
• M8: 9,730,294 km (0.084 R)
• M9: 10,800,667 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.5

Radius: 10.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.32 AU - 8.78 AU

Year: 7900 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,901,484 km

• M1: 128,505 km (0.109 R)
• M2: 992,432 km (0.087 R)
• M3: 1,373,009 km (0.097 R)
• M4: 1,707,360 km (0.091 R)
• M5: 2,096,614 km (0.107 R)
• M6: 3,181,947 km (0.104 R)
• M7: 5,190,448 km (0.037 R)
• M8: 8,588,414 km (0.11 R)
• M9: 12,447,291 km (0.097 R)
• M10: 13,676,985 km (0.066 R)
• M11: 14,985,817 km (0.112 R)
• M12: 17,159,624 km (0.038 R)
• M13: 17,618,440 km (0.062 R)
• M14: 18,321,999 km (0.108 R)
• M15: 20,673,678 km (0.105 R)
• M16: 23,011,444 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 9.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.69 AU - 9.31 AU

Year: 8617 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,901,484 km

• M1: 120,576 km (0.093 R)
• M2: 582,684 km (0.093 R)
• M3: 1,081,593 km (0.109 R)
• M4: 1,770,640 km (0.109 R)
• M5: 2,137,155 km (0.111 R)
• M6: 2,693,360 km (0.102 R)
• M7: 3,772,559 km (0.119 R)
• M8: 4,094,643 km (0.1 R)
• M9: 6,659,200 km (0.104 R)
• M10: 9,004,296 km (0.111 R)
• M11: 10,676,650 km (0.093 R)
• M12: 11,136,813 km (0.095 R)
• M13: 12,597,337 km (0.103 R)
• M14: 13,163,565 km (0.114 R)
• M15: 15,136,163 km (0.078 R)
• M16: 20,350,397 km (0.078 R)
• M17: 21,491,081 km (0.093 R)
• M18: 30,239,414 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 15

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.03 AU - 10.67 AU

Year: 11772 Days

Day: 9.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,901,484 km

• M1: 188,793 km (0.049 R)
• M2: 655,388 km (0.051 R)
• M3: 1,502,860 km (0.084 R)
• M4: 2,265,510 km (0.083 R)
• M5: 2,876,318 km (0.088 R)
• M6: 3,962,548 km (0.054 R)
• M7: 4,657,281 km (0.119 R)
• M8: 5,495,328 km (0.103 R)
• M9: 6,326,943 km (0.114 R)
• M10: 7,051,445 km (0.115 R)
• M11: 7,750,366 km (0.102 R)
• M12: 8,325,570 km (0.108 R)
• M13: 9,017,909 km (0.086 R)
• M14: 11,801,926 km (0.105 R)
• M15: 13,477,422 km (0.079 R)
• M16: 14,129,968 km (0.11 R)
• M17: 15,053,735 km (0.08 R)
• M18: 16,215,063 km (0.113 R)
• M19: 19,754,848 km (0.11 R)
• M20: 21,146,557 km (0.034 R)
• M21: 22,110,116 km (0.055 R)
• M22: 26,259,513 km (0.101 R)
• M23: 27,091,576 km (0.105 R)
• M24: 33,740,304 km (0.116 R)
• M25: 38,023,590 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 15,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit