🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.5 AU - 0.52 AU

Year: 135 Days

Day: 16.1 Hours

Environment

Temp: 201 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,386,626 km

• M1: 132,245 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.78 AU - 0.98 AU

Year: 306 Days

Day: 15.9 Hours

Environment

Temp: 104 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,386,626 km

• M1: 21,991 km (0.093 R)
• M2: 312,959 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.78 AU - 1.3 AU

Year: 393 Days

Day: 35.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 46.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1 AU - 1.18 AU

Year: 422 Days

Day: 21.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.54 AU - 1.78 AU

Year: 793 Days

Day: 41.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 13.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.44 AU - 12.12 AU

Year: 13126 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,386,626 km

• M1: 165,455 km (0.046 R)
• M2: 588,368 km (0.113 R)
• M3: 1,556,715 km (0.105 R)
• M4: 2,245,015 km (0.11 R)
• M5: 3,224,582 km (0.113 R)
• M6: 8,731,130 km (0.047 R)
• M7: 9,268,336 km (0.045 R)
• M8: 10,141,988 km (0.093 R)
• M9: 10,736,190 km (0.044 R)
• M10: 14,462,823 km (0.1 R)
• M11: 15,496,843 km (0.1 R)
• M12: 20,046,863 km (0.099 R)
• M13: 23,222,377 km (0.116 R)
• M14: 25,222,051 km (0.041 R)
• M15: 43,660,887 km (0.11 R)
• M16: 50,182,456 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 4.7

Gravity: 30.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 11.52 AU - 14.78 AU

Year: 17685 Days

Day: 16.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,386,626 km

• M1: 58,493 km (0.105 R)
• M2: 377,136 km (0.044 R)
• M3: 607,517 km (0.106 R)
• M4: 1,134,101 km (0.058 R)
• M5: 1,939,686 km (0.116 R)
• M6: 2,494,844 km (0.087 R)
• M7: 2,919,702 km (0.117 R)
• M8: 3,309,404 km (0.05 R)
• M9: 3,674,423 km (0.069 R)
• M10: 4,034,804 km (0.089 R)
• M11: 4,223,597 km (0.119 R)
• M12: 5,993,938 km (0.109 R)
• M13: 10,848,389 km (0.094 R)
• M14: 16,504,385 km (0.072 R)
• M15: 17,151,396 km (0.101 R)
• M16: 17,815,162 km (0.118 R)
• M17: 19,193,706 km (0.114 R)
• M18: 22,651,062 km (0.115 R)
• M19: 25,957,325 km (0.098 R)
• M20: 27,951,614 km (0.079 R)
• M21: 31,130,868 km (0.115 R)
• M22: 31,744,967 km (0.062 R)
• M23: 33,124,260 km (0.101 R)
• M24: 33,379,174 km (0.118 R)
• M25: 34,673,944 km (0.037 R)
• M26: 35,599,955 km (0.077 R)
• M27: 40,915,915 km (0.092 R)
• M28: 45,468,478 km (0.081 R)
• M29: 47,057,955 km (0.099 R)
• M30: 57,196,203 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.1

Radius: 3.2

Gravity: 66.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 11.98 AU - 15.4 AU

Year: 18785 Days

Day: 19.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,386,626 km

• M1: 44,730 km (0.088 R)
• M2: 280,197 km (0.038 R)
• M3: 499,806 km (0.043 R)
• M4: 1,376,600 km (0.054 R)
• M5: 2,267,605 km (0.098 R)
• M6: 2,510,851 km (0.096 R)
• M7: 3,023,223 km (0.109 R)
• M8: 3,719,901 km (0.045 R)
• M9: 4,483,448 km (0.051 R)
• M10: 4,724,600 km (0.118 R)
• M11: 9,341,190 km (0.03 R)
• M12: 12,393,136 km (0.114 R)
• M13: 14,362,443 km (0.062 R)
• M14: 15,654,669 km (0.098 R)
• M15: 19,264,615 km (0.069 R)
• M16: 22,483,513 km (0.113 R)
• M17: 25,933,539 km (0.078 R)
• M18: 27,726,469 km (0.109 R)
• M19: 43,564,845 km (0.083 R)
• M20: 43,875,260 km (0.109 R)
• M21: 47,225,355 km (0.083 R)
• M22: 53,891,735 km (0.044 R)
• M23: 67,172,286 km (0.088 R)
• M24: 69,261,421 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.2

Radius: 3.6

Gravity: 42.61 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.84 AU - 18.2 AU

Year: 27196 Days

Day: 16.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,386,626 km

• M1: 45,029 km (0.094 R)
• M2: 173,534 km (0.059 R)
• M3: 456,722 km (0.105 R)
• M4: 1,434,943 km (0.079 R)
• M5: 1,679,834 km (0.071 R)
• M6: 2,297,823 km (0.065 R)
• M7: 3,310,750 km (0.115 R)
• M8: 5,439,528 km (0.101 R)
• M9: 6,253,789 km (0.117 R)
• M10: 6,760,777 km (0.106 R)
• M11: 7,597,328 km (0.102 R)
• M12: 7,803,773 km (0.055 R)
• M13: 8,892,546 km (0.068 R)
• M14: 11,773,053 km (0.053 R)
• M15: 12,119,372 km (0.069 R)
• M16: 12,687,395 km (0.064 R)
• M17: 12,832,206 km (0.106 R)
• M18: 15,464,979 km (0.036 R)
• M19: 16,132,934 km (0.064 R)
• M20: 18,343,990 km (0.103 R)
• M21: 18,622,242 km (0.117 R)
• M22: 20,748,925 km (0.094 R)
• M23: 26,762,161 km (0.096 R)
• M24: 32,334,832 km (0.105 R)
• M25: 35,533,833 km (0.101 R)
• M26: 37,431,930 km (0.087 R)
• M27: 53,772,805 km (0.055 R)
• M28: 68,800,210 km (0.057 R)
• M29: 74,998,499 km (0.113 R)
• M30: 81,308,836 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.4

Radius: 3.7

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 18.25 AU - 20.87 AU

Year: 32082 Days

Day: 18 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,386,626 km

• M1: 176,077 km (0.028 R)
• M2: 2,504,867 km (0.07 R)
• M3: 3,041,026 km (0.066 R)
• M4: 3,774,653 km (0.111 R)
• M5: 4,876,442 km (0.103 R)
• M6: 5,104,728 km (0.049 R)
• M7: 5,339,896 km (0.106 R)
• M8: 5,582,394 km (0.109 R)
• M9: 6,398,600 km (0.088 R)
• M10: 11,900,062 km (0.099 R)
• M11: 12,036,944 km (0.055 R)
• M12: 14,681,984 km (0.088 R)
• M13: 19,431,716 km (0.085 R)
• M14: 19,621,556 km (0.115 R)
• M15: 20,295,345 km (0.062 R)
• M16: 21,587,422 km (0.046 R)
• M17: 22,409,312 km (0.119 R)
• M18: 39,140,936 km (0.065 R)
• M19: 43,359,596 km (0.087 R)
• M20: 48,914,913 km (0.043 R)
• M21: 59,394,693 km (0.103 R)
• M22: 65,154,211 km (0.058 R)
• M23: 66,434,918 km (0.1 R)
• M24: 72,862,541 km (0.102 R)
• M25: 76,344,281 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 14,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit