🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 11.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.59 AU - 0.87 AU

Year: 416 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,686,446 km

• M1: 140,622 km (0.116 R)
• M2: 505,192 km (0.112 R)
• M3: 982,559 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 10.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.28 AU - 1.72 AU

Year: 1225 Days

Day: 5.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,686,446 km

• M1: 134,638 km (0.09 R)
• M2: 590,463 km (0.06 R)
• M3: 1,101,489 km (0.12 R)
• M4: 1,611,169 km (0.042 R)
• M5: 1,998,628 km (0.09 R)
• M6: 3,480,245 km (0.119 R)
• M7: 5,240,264 km (0.085 R)
• M8: 5,892,810 km (0.109 R)
• M9: 8,516,756 km (0.052 R)
• M10: 9,056,206 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 10

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.39 AU - 1.79 AU

Year: 1337 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,686,446 km

• M1: 124,316 km (0.048 R)
• M2: 794,963 km (0.107 R)
• M3: 1,269,488 km (0.112 R)
• M4: 1,664,127 km (0.111 R)
• M5: 2,667,180 km (0.097 R)
• M6: 4,224,045 km (0.106 R)
• M7: 4,955,878 km (0.045 R)
• M8: 5,880,543 km (0.101 R)
• M9: 6,384,089 km (0.095 R)
• M10: 6,792,791 km (0.088 R)
• M11: 7,662,553 km (0.077 R)
• M12: 10,096,659 km (0.105 R)
• M13: 10,719,136 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 8.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.15 AU - 3.63 AU

Year: 4162 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,686,446 km

• M1: 100,679 km (0.092 R)
• M2: 383,270 km (0.114 R)
• M3: 659,577 km (0.058 R)
• M4: 931,845 km (0.091 R)
• M5: 1,242,859 km (0.035 R)
• M6: 1,691,653 km (0.1 R)
• M7: 1,961,078 km (0.115 R)
• M8: 2,245,165 km (0.119 R)
• M9: 3,034,593 km (0.094 R)
• M10: 4,168,395 km (0.059 R)
• M11: 4,525,934 km (0.108 R)
• M12: 4,903,669 km (0.081 R)
• M13: 5,776,423 km (0.066 R)
• M14: 6,051,982 km (0.119 R)
• M15: 7,563,668 km (0.066 R)
• M16: 8,477,263 km (0.069 R)
• M17: 9,846,083 km (0.034 R)
• M18: 11,271,152 km (0.113 R)
• M19: 13,062,437 km (0.091 R)
• M20: 13,538,308 km (0.104 R)
• M21: 15,191,065 km (0.092 R)
• M22: 16,584,869 km (0.115 R)
• M23: 18,533,531 km (0.058 R)
• M24: 19,501,429 km (0.088 R)
• M25: 20,060,326 km (0.112 R)
• M26: 21,210,435 km (0.06 R)
• M27: 22,201,820 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.5

Radius: 7.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.01 AU - 8.21 AU

Year: 11333 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,686,446 km

• M1: 96,790 km (0.101 R)
• M2: 428,897 km (0.108 R)
• M3: 737,218 km (0.087 R)
• M4: 1,026,541 km (0.11 R)
• M5: 1,405,023 km (0.115 R)
• M6: 1,825,992 km (0.108 R)
• M7: 2,705,926 km (0.043 R)
• M8: 3,100,266 km (0.065 R)
• M9: 3,685,344 km (0.103 R)
• M10: 4,759,157 km (0.096 R)
• M11: 5,041,448 km (0.083 R)
• M12: 7,260,284 km (0.058 R)
• M13: 8,837,644 km (0.086 R)
• M14: 9,313,664 km (0.113 R)
• M15: 10,008,546 km (0.085 R)
• M16: 12,894,140 km (0.044 R)
• M17: 13,136,787 km (0.1 R)
• M18: 13,819,851 km (0.107 R)
• M19: 14,988,360 km (0.076 R)
• M20: 19,200,737 km (0.115 R)
• M21: 19,437,999 km (0.091 R)
• M22: 20,324,367 km (0.053 R)
• M23: 22,177,735 km (0.092 R)
• M24: 26,411,504 km (0.077 R)
• M25: 31,482,273 km (0.071 R)
• M26: 34,652,851 km (0.107 R)
• M27: 36,194,606 km (0.082 R)
• M28: 39,797,970 km (0.075 R)
• M29: 40,963,188 km (0.079 R)
• M30: 43,090,320 km (0.069 R)
• M31: 45,150,582 km (0.044 R)
• M32: 48,581,909 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.9

Radius: 6.6

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.18 AU - 8.1 AU

Year: 12723 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,686,446 km

• M1: 82,428 km (0.098 R)
• M2: 515,514 km (0.055 R)
• M3: 1,082,041 km (0.06 R)
• M4: 1,292,226 km (0.105 R)
• M5: 1,796,820 km (0.102 R)
• M6: 2,284,958 km (0.041 R)
• M7: 2,997,642 km (0.083 R)
• M8: 3,470,222 km (0.116 R)
• M9: 3,710,775 km (0.113 R)
• M10: 4,020,144 km (0.055 R)
• M11: 4,594,749 km (0.118 R)
• M12: 5,120,137 km (0.116 R)
• M13: 6,771,248 km (0.083 R)
• M14: 7,190,870 km (0.101 R)
• M15: 13,146,810 km (0.12 R)
• M16: 14,819,763 km (0.03 R)
• M17: 15,383,897 km (0.118 R)
• M18: 17,941,871 km (0.111 R)
• M19: 19,238,286 km (0.068 R)
• M20: 20,857,384 km (0.045 R)
• M21: 22,381,337 km (0.107 R)
• M22: 23,311,687 km (0.112 R)
• M23: 24,853,442 km (0.111 R)
• M24: 31,355,714 km (0.08 R)
• M25: 33,591,603 km (0.092 R)
• M26: 34,686,809 km (0.112 R)
• M27: 36,310,694 km (0.117 R)
• M28: 39,172,950 km (0.1 R)
• M29: 42,182,112 km (0.07 R)
• M30: 42,887,017 km (0.069 R)
• M31: 44,320,015 km (0.097 R)
• M32: 47,432,847 km (0.11 R)
• M33: 51,805,892 km (0.111 R)
• M34: 52,451,706 km (0.084 R)
• M35: 53,266,566 km (0.078 R)
• M36: 55,088,967 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.7

Radius: 7.5

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.04 AU - 8.52 AU

Year: 15888 Days

Day: 16.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,686,446 km

• M1: 93,499 km (0.115 R)
• M2: 370,404 km (0.055 R)
• M3: 1,028,785 km (0.094 R)
• M4: 1,510,789 km (0.093 R)
• M5: 1,778,868 km (0.111 R)
• M6: 2,453,854 km (0.099 R)
• M7: 2,850,288 km (0.116 R)
• M8: 3,771,213 km (0.096 R)
• M9: 4,424,058 km (0.04 R)
• M10: 4,810,768 km (0.08 R)
• M11: 5,046,535 km (0.032 R)
• M12: 6,464,872 km (0.04 R)
• M13: 7,221,987 km (0.113 R)
• M14: 7,943,348 km (0.117 R)
• M15: 8,811,315 km (0.067 R)
• M16: 12,100,074 km (0.066 R)
• M17: 13,779,310 km (0.066 R)
• M18: 14,744,965 km (0.109 R)
• M19: 15,172,366 km (0.118 R)
• M20: 16,733,719 km (0.093 R)
• M21: 18,563,301 km (0.07 R)
• M22: 22,056,261 km (0.053 R)
• M23: 27,114,464 km (0.097 R)
• M24: 29,741,702 km (0.046 R)
• M25: 33,993,723 km (0.093 R)
• M26: 34,614,554 km (0.056 R)
• M27: 35,369,574 km (0.077 R)
• M28: 38,633,949 km (0.064 R)
• M29: 39,856,613 km (0.082 R)
• M30: 46,359,333 km (0.094 R)
• M31: 47,276,517 km (0.107 R)
• M32: 48,831,887 km (0.047 R)
• M33: 51,716,881 km (0.098 R)
• M34: 54,713,626 km (0.045 R)
• M35: 57,123,049 km (0.08 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 15,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit