🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.68 AU - 0.82 AU

Year: 274 Days

Day: 37.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.82 AU - 0.98 AU

Year: 360 Days

Day: 22 Hours

Environment

Temp: -33 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.16 AU - 1.32 AU

Year: 582 Days

Day: 42.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.34 AU - 2.34 AU

Year: 1510 Days

Day: 37.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 15

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.78 AU - 4.08 AU

Year: 3286 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,623,179 km

• M1: 238,309 km (0.111 R)
• M2: 973,882 km (0.068 R)
• M3: 1,909,168 km (0.041 R)
• M4: 2,656,409 km (0.086 R)
• M5: 4,150,294 km (0.097 R)
• M6: 5,215,879 km (0.117 R)
• M7: 6,542,663 km (0.094 R)
• M8: 9,409,706 km (0.076 R)
• M9: 10,875,616 km (0.107 R)
• M10: 12,444,897 km (0.083 R)
• M11: 14,899,350 km (0.087 R)
• M12: 16,723,396 km (0.11 R)
• M13: 17,437,577 km (0.095 R)
• M14: 19,222,728 km (0.088 R)
• M15: 19,702,638 km (0.119 R)
• M16: 20,437,463 km (0.096 R)
• M17: 21,254,117 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 14.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.03 AU - 4.75 AU

Year: 3879 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,623,179 km

• M1: 191,186 km (0.086 R)
• M2: 818,001 km (0.092 R)
• M3: 1,787,246 km (0.066 R)
• M4: 2,252,645 km (0.117 R)
• M5: 3,142,752 km (0.066 R)
• M6: 4,148,050 km (0.119 R)
• M7: 4,809,871 km (0.114 R)
• M8: 6,117,207 km (0.103 R)
• M9: 7,421,401 km (0.082 R)
• M10: 7,883,808 km (0.114 R)
• M11: 10,741,576 km (0.03 R)
• M12: 12,495,461 km (0.102 R)
• M13: 15,527,810 km (0.087 R)
• M14: 16,398,171 km (0.093 R)
• M15: 19,267,159 km (0.103 R)
• M16: 20,400,512 km (0.101 R)
• M17: 21,711,438 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 8.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.68 AU - 5.04 AU

Year: 4519 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,623,179 km

• M1: 108,159 km (0.112 R)
• M2: 424,409 km (0.095 R)
• M3: 889,509 km (0.083 R)
• M4: 1,189,153 km (0.071 R)
• M5: 1,843,794 km (0.115 R)
• M6: 2,942,590 km (0.025 R)
• M7: 3,404,848 km (0.084 R)
• M8: 3,684,446 km (0.111 R)
• M9: 4,044,528 km (0.098 R)
• M10: 5,644,028 km (0.098 R)
• M11: 6,847,543 km (0.118 R)
• M12: 7,360,664 km (0.07 R)
• M13: 8,320,484 km (0.069 R)
• M14: 10,279,318 km (0.104 R)
• M15: 12,108,751 km (0.06 R)
• M16: 14,350,475 km (0.119 R)
• M17: 14,977,888 km (0.104 R)
• M18: 16,797,896 km (0.053 R)
• M19: 17,377,438 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 9.7

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.39 AU - 8.39 AU

Year: 8473 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,623,179 km

• M1: 121,174 km (0.034 R)
• M2: 957,875 km (0.103 R)
• M3: 1,668,315 km (0.092 R)
• M4: 2,054,876 km (0.096 R)
• M5: 2,578,170 km (0.114 R)
• M6: 3,165,790 km (0.094 R)
• M7: 3,491,764 km (0.096 R)
• M8: 4,266,980 km (0.092 R)
• M9: 5,539,759 km (0.107 R)
• M10: 5,980,773 km (0.116 R)
• M11: 9,657,291 km (0.07 R)
• M12: 10,297,270 km (0.097 R)
• M13: 14,177,091 km (0.09 R)
• M14: 14,810,189 km (0.111 R)
• M15: 16,822,879 km (0.047 R)
• M16: 17,749,189 km (0.026 R)
• M17: 19,937,806 km (0.066 R)
• M18: 21,964,109 km (0.104 R)
• M19: 23,417,901 km (0.119 R)
• M20: 24,843,868 km (0.093 R)
• M21: 25,393,341 km (0.086 R)
• M22: 28,361,812 km (0.036 R)
• M23: 32,851,692 km (0.115 R)
• M24: 33,181,556 km (0.118 R)
• M25: 39,133,307 km (0.077 R)
• M26: 40,127,235 km (0.099 R)
• M27: 42,165,506 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit