🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.43 AU - 0.61 AU

Year: 131 Days

Day: 40.7 Hours

Environment

Temp: 247 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.46 AU - 0.64 AU

Year: 143 Days

Day: 13.5 Hours

Environment

Temp: 268 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.24 AU - 2 AU

Year: 721 Days

Day: 34.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.38 AU - 2.24 AU

Year: 852 Days

Day: 20.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 117.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.66 AU - 4.28 AU

Year: 2261 Days

Day: 13.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 11.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.18 AU - 10.42 AU

Year: 9922 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,836,637 km

• M1: 145,559 km (0.045 R)
• M2: 513,270 km (0.067 R)
• M3: 997,070 km (0.119 R)
• M4: 1,591,273 km (0.077 R)
• M5: 2,224,371 km (0.064 R)
• M6: 2,777,883 km (0.071 R)
• M7: 3,276,044 km (0.066 R)
• M8: 3,886,852 km (0.102 R)
• M9: 5,105,775 km (0.096 R)
• M10: 9,419,729 km (0.107 R)
• M11: 10,927,975 km (0.068 R)
• M12: 11,370,934 km (0.052 R)
• M13: 13,578,400 km (0.11 R)
• M14: 20,865,313 km (0.097 R)
• M15: 26,554,968 km (0.085 R)
• M16: 29,221,401 km (0.106 R)
• M17: 30,076,502 km (0.091 R)
• M18: 34,367,717 km (0.034 R)
• M19: 38,411,647 km (0.077 R)
• M20: 42,082,779 km (0.074 R)
• M21: 44,142,592 km (0.072 R)
• M22: 51,804,097 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 12.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.9 AU - 11.36 AU

Year: 12125 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,836,637 km

• M1: 150,495 km (0.098 R)
• M2: 686,355 km (0.106 R)
• M3: 1,110,016 km (0.063 R)
• M4: 1,754,633 km (0.105 R)
• M5: 3,180,600 km (0.109 R)
• M6: 3,653,479 km (0.079 R)
• M7: 4,121,571 km (0.034 R)
• M8: 4,855,947 km (0.105 R)
• M9: 6,375,263 km (0.098 R)
• M10: 8,273,211 km (0.118 R)
• M11: 15,870,240 km (0.115 R)
• M12: 17,738,717 km (0.054 R)
• M13: 20,427,140 km (0.066 R)
• M14: 20,887,453 km (0.043 R)
• M15: 21,988,194 km (0.116 R)
• M16: 22,962,226 km (0.117 R)
• M17: 23,880,159 km (0.073 R)
• M18: 24,305,465 km (0.072 R)
• M19: 35,210,552 km (0.096 R)
• M20: 35,761,820 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.6

Radius: 6

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 10.93 AU - 16.49 AU

Year: 17760 Days

Day: 24 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,836,637 km

• M1: 104,419 km (0.059 R)
• M2: 425,756 km (0.098 R)
• M3: 661,522 km (0.084 R)
• M4: 1,245,402 km (0.102 R)
• M5: 1,568,833 km (0.111 R)
• M6: 1,851,573 km (0.044 R)
• M7: 2,126,534 km (0.105 R)
• M8: 2,428,422 km (0.103 R)
• M9: 2,960,542 km (0.053 R)
• M10: 3,309,703 km (0.092 R)
• M11: 4,155,081 km (0.067 R)
• M12: 4,805,383 km (0.075 R)
• M13: 9,105,574 km (0.104 R)
• M14: 10,437,892 km (0.078 R)
• M15: 13,555,213 km (0.117 R)
• M16: 16,162,704 km (0.086 R)
• M17: 19,177,400 km (0.073 R)
• M18: 22,445,665 km (0.033 R)
• M19: 22,853,020 km (0.085 R)
• M20: 23,265,311 km (0.087 R)
• M21: 25,843,780 km (0.053 R)
• M22: 27,548,597 km (0.083 R)
• M23: 28,015,492 km (0.093 R)
• M24: 29,085,566 km (0.094 R)
• M25: 30,678,783 km (0.099 R)
• M26: 31,054,424 km (0.049 R)
• M27: 33,638,428 km (0.094 R)
• M28: 40,718,147 km (0.119 R)
• M29: 43,491,991 km (0.099 R)
• M30: 49,241,037 km (0.031 R)
• M31: 50,101,524 km (0.1 R)
• M32: 52,029,990 km (0.078 R)
• M33: 54,922,315 km (0.07 R)
• M34: 57,920,256 km (0.107 R)
• M35: 60,631,269 km (0.074 R)
• M36: 61,025,459 km (0.109 R)
• M37: 63,628,612 km (0.075 R)
• M38: 70,785,224 km (0.065 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 15,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit