🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.62 AU - 0.9 AU

Year: 231 Days

Day: 30.4 Hours

Environment

Temp: 128 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.1 AU - 1.52 AU

Year: 522 Days

Day: 31.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,273,941 km

• M1: 89,609 km (0.094 R)
• M2: 664,364 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.38 AU - 1.66 AU

Year: 653 Days

Day: 41.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 42.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.57 AU - 2.11 AU

Year: 869 Days

Day: 25.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.74 AU - 4.34 AU

Year: 2828 Days

Day: 36.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 8.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.92 AU - 7.18 AU

Year: 5182 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,273,941 km

• M1: 103,223 km (0.119 R)
• M2: 361,877 km (0.113 R)
• M3: 660,624 km (0.094 R)
• M4: 952,041 km (0.052 R)
• M5: 1,613,862 km (0.061 R)
• M6: 2,473,152 km (0.078 R)
• M7: 3,629,095 km (0.049 R)
• M8: 4,280,444 km (0.113 R)
• M9: 5,871,268 km (0.092 R)
• M10: 7,053,988 km (0.096 R)
• M11: 7,548,709 km (0.061 R)
• M12: 8,208,286 km (0.054 R)
• M13: 8,607,413 km (0.052 R)
• M14: 10,127,776 km (0.104 R)
• M15: 10,714,947 km (0.05 R)
• M16: 11,637,817 km (0.049 R)
• M17: 12,188,487 km (0.055 R)
• M18: 13,095,648 km (0.112 R)
• M19: 13,490,886 km (0.071 R)
• M20: 13,944,915 km (0.079 R)
• M21: 15,863,807 km (0.108 R)
• M22: 18,625,533 km (0.107 R)
• M23: 20,546,669 km (0.115 R)
• M24: 22,176,089 km (0.056 R)
• M25: 22,596,459 km (0.105 R)
• M26: 25,004,536 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 13.6

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.71 AU - 7.39 AU

Year: 6519 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,273,941 km

• M1: 169,195 km (0.116 R)
• M2: 662,120 km (0.103 R)
• M3: 1,097,300 km (0.058 R)
• M4: 1,877,004 km (0.072 R)
• M5: 2,375,165 km (0.084 R)
• M6: 3,128,690 km (0.088 R)
• M7: 3,716,011 km (0.112 R)
• M8: 5,481,565 km (0.04 R)
• M9: 6,339,659 km (0.092 R)
• M10: 8,449,437 km (0.088 R)
• M11: 10,062,402 km (0.097 R)
• M12: 11,246,469 km (0.046 R)
• M13: 12,521,342 km (0.105 R)
• M14: 13,772,728 km (0.114 R)
• M15: 14,248,000 km (0.116 R)
• M16: 14,672,709 km (0.04 R)
• M17: 15,420,698 km (0.081 R)
• M18: 17,196,425 km (0.101 R)
• M19: 19,771,603 km (0.1 R)
• M20: 21,151,194 km (0.068 R)
• M21: 22,430,555 km (0.111 R)
• M22: 23,089,235 km (0.053 R)
• M23: 30,505,100 km (0.098 R)
• M24: 32,137,213 km (0.049 R)
• M25: 39,727,360 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.9

Radius: 8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 15.53 AU - 17.79 AU

Year: 23681 Days

Day: 21.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,273,941 km

• M1: 112,647 km (0.12 R)
• M2: 422,315 km (0.09 R)
• M3: 678,576 km (0.048 R)
• M4: 1,043,744 km (0.072 R)
• M5: 2,123,991 km (0.046 R)
• M6: 3,168,034 km (0.081 R)
• M7: 4,060,685 km (0.108 R)
• M8: 4,794,313 km (0.093 R)
• M9: 5,442,520 km (0.095 R)
• M10: 6,147,724 km (0.083 R)
• M11: 7,113,229 km (0.064 R)
• M12: 7,696,362 km (0.11 R)
• M13: 8,043,578 km (0.07 R)
• M14: 9,148,359 km (0.096 R)
• M15: 9,989,996 km (0.075 R)
• M16: 17,087,817 km (0.084 R)
• M17: 20,595,139 km (0.117 R)
• M18: 23,453,206 km (0.108 R)
• M19: 25,403,514 km (0.092 R)
• M20: 27,059,712 km (0.105 R)
• M21: 27,762,074 km (0.081 R)
• M22: 32,909,736 km (0.082 R)
• M23: 34,289,478 km (0.057 R)
• M24: 40,585,005 km (0.081 R)
• M25: 43,386,973 km (0.091 R)
• M26: 43,660,288 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 5.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 17.77 AU - 23.45 AU

Year: 32584 Days

Day: 20.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,273,941 km

• M1: 71,059 km (0.111 R)
• M2: 416,181 km (0.072 R)
• M3: 684,261 km (0.07 R)
• M4: 1,560,007 km (0.1 R)
• M5: 2,459,987 km (0.096 R)
• M6: 3,293,846 km (0.083 R)
• M7: 3,609,797 km (0.062 R)
• M8: 4,680,169 km (0.103 R)
• M9: 5,985,112 km (0.111 R)
• M10: 7,924,199 km (0.074 R)
• M11: 8,491,774 km (0.104 R)
• M12: 11,034,937 km (0.092 R)
• M13: 13,311,518 km (0.074 R)
• M14: 13,708,102 km (0.09 R)
• M15: 15,373,425 km (0.058 R)
• M16: 19,350,933 km (0.092 R)
• M17: 22,725,413 km (0.081 R)
• M18: 26,059,650 km (0.053 R)
• M19: 27,416,203 km (0.116 R)
• M20: 31,767,407 km (0.082 R)
• M21: 33,800,143 km (0.09 R)
• M22: 35,538,021 km (0.065 R)
• M23: 37,858,883 km (0.105 R)
• M24: 54,606,813 km (0.088 R)

Kuiper Belt

Range: 31.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 11,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit