🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.7 AU

Year: 328 Days

Day: 16.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 8.7

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.79 AU - 1.09 AU

Year: 598 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,114,670 km

• M1: 108,458 km (0.108 R)
• M2: 526,884 km (0.039 R)
• M3: 978,220 km (0.108 R)
• M4: 1,414,149 km (0.085 R)
• M5: 1,690,456 km (0.079 R)
• M6: 2,154,359 km (0.12 R)
• M7: 3,207,977 km (0.077 R)
• M8: 3,677,564 km (0.09 R)
• M9: 4,363,770 km (0.052 R)
• M10: 4,788,029 km (0.117 R)
• M11: 5,132,853 km (0.044 R)
• M12: 5,719,127 km (0.088 R)
• M13: 7,493,806 km (0.102 R)
• M14: 7,864,958 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.8

Radius: 9.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.98 AU - 1.5 AU

Year: 906 Days

Day: 13.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,114,670 km

• M1: 119,379 km (0.088 R)
• M2: 432,487 km (0.087 R)
• M3: 749,635 km (0.049 R)
• M4: 1,166,564 km (0.104 R)
• M5: 1,661,434 km (0.056 R)
• M6: 2,333,128 km (0.101 R)
• M7: 2,795,835 km (0.114 R)
• M8: 3,201,544 km (0.076 R)
• M9: 3,660,510 km (0.057 R)
• M10: 4,178,418 km (0.086 R)
• M11: 4,744,347 km (0.071 R)
• M12: 5,415,892 km (0.063 R)
• M13: 5,717,032 km (0.088 R)
• M14: 6,561,363 km (0.088 R)
• M15: 7,035,737 km (0.112 R)
• M16: 7,813,646 km (0.054 R)
• M17: 8,223,545 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.8

Radius: 4.3

Gravity: 43.42 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.41 AU - 6.65 AU

Year: 9714 Days

Day: 22.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,114,670 km

• M1: 62,682 km (0.117 R)
• M2: 252,521 km (0.103 R)
• M3: 403,914 km (0.107 R)
• M4: 1,083,238 km (0.078 R)
• M5: 1,350,719 km (0.083 R)
• M6: 1,675,945 km (0.113 R)
• M7: 2,901,152 km (0.11 R)
• M8: 3,541,430 km (0.101 R)
• M9: 3,774,504 km (0.115 R)
• M10: 3,990,224 km (0.114 R)
• M11: 4,129,051 km (0.055 R)
• M12: 4,873,001 km (0.115 R)
• M13: 5,393,602 km (0.104 R)
• M14: 6,354,768 km (0.055 R)
• M15: 6,895,714 km (0.081 R)
• M16: 9,031,373 km (0.102 R)
• M17: 9,368,716 km (0.098 R)
• M18: 10,641,944 km (0.084 R)
• M19: 11,853,986 km (0.075 R)
• M20: 14,159,438 km (0.072 R)
• M21: 15,281,273 km (0.114 R)
• M22: 16,037,939 km (0.078 R)
• M23: 19,236,192 km (0.031 R)
• M24: 21,362,726 km (0.037 R)
• M25: 21,960,967 km (0.06 R)
• M26: 22,834,769 km (0.055 R)
• M27: 23,370,179 km (0.111 R)
• M28: 28,879,570 km (0.08 R)
• M29: 29,927,802 km (0.088 R)
• M30: 32,658,562 km (0.099 R)
• M31: 37,735,913 km (0.114 R)
• M32: 38,987,748 km (0.115 R)
• M33: 40,656,213 km (0.093 R)
• M34: 46,513,120 km (0.117 R)
• M35: 48,096,763 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.3

Radius: 3.3

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.54 AU - 12.02 AU

Year: 20064 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,114,670 km

• M1: 41,139 km (0.072 R)
• M2: 218,562 km (0.104 R)
• M3: 467,643 km (0.083 R)
• M4: 651,349 km (0.086 R)
• M5: 969,245 km (0.098 R)
• M6: 1,106,575 km (0.079 R)
• M7: 1,269,039 km (0.063 R)
• M8: 1,570,478 km (0.082 R)
• M9: 2,599,712 km (0.116 R)
• M10: 2,720,587 km (0.111 R)
• M11: 3,674,872 km (0.095 R)
• M12: 4,479,708 km (0.079 R)
• M13: 6,035,825 km (0.115 R)
• M14: 6,650,523 km (0.088 R)
• M15: 7,108,891 km (0.1 R)
• M16: 7,425,889 km (0.114 R)
• M17: 11,722,340 km (0.104 R)
• M18: 13,921,877 km (0.093 R)
• M19: 14,292,581 km (0.073 R)
• M20: 14,480,326 km (0.113 R)
• M21: 15,182,987 km (0.117 R)
• M22: 15,575,682 km (0.098 R)
• M23: 17,356,046 km (0.061 R)
• M24: 17,713,285 km (0.108 R)
• M25: 19,115,616 km (0.079 R)
• M26: 21,314,405 km (0.113 R)
• M27: 24,560,081 km (0.087 R)
• M28: 25,100,877 km (0.077 R)
• M29: 26,865,982 km (0.029 R)
• M30: 29,211,527 km (0.109 R)
• M31: 33,637,979 km (0.086 R)
• M32: 40,456,351 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.9

Radius: 3.2

Gravity: 80.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.01 AU - 12.03 AU

Year: 20807 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,114,670 km

• M1: 39,943 km (0.101 R)
• M2: 303,684 km (0.047 R)
• M3: 447,896 km (0.108 R)
• M4: 574,306 km (0.037 R)
• M5: 776,712 km (0.111 R)
• M6: 1,024,446 km (0.101 R)
• M7: 1,674,898 km (0.111 R)
• M8: 2,686,179 km (0.032 R)
• M9: 2,839,218 km (0.084 R)
• M10: 3,663,053 km (0.064 R)
• M11: 4,670,595 km (0.064 R)
• M12: 5,849,576 km (0.054 R)
• M13: 6,372,121 km (0.098 R)
• M14: 7,762,484 km (0.054 R)
• M15: 8,126,007 km (0.091 R)
• M16: 8,775,411 km (0.099 R)
• M17: 10,675,454 km (0.029 R)
• M18: 10,866,490 km (0.077 R)
• M19: 11,856,080 km (0.074 R)
• M20: 13,413,992 km (0.11 R)
• M21: 13,786,192 km (0.068 R)
• M22: 16,501,543 km (0.092 R)
• M23: 20,224,585 km (0.088 R)
• M24: 21,613,900 km (0.089 R)
• M25: 22,228,299 km (0.108 R)
• M26: 23,707,074 km (0.059 R)
• M27: 24,250,712 km (0.07 R)
• M28: 25,250,026 km (0.094 R)
• M29: 27,568,644 km (0.112 R)
• M30: 30,789,635 km (0.096 R)
• M31: 30,918,290 km (0.109 R)
• M32: 32,757,446 km (0.109 R)
• M33: 39,615,012 km (0.041 R)
• M34: 41,781,638 km (0.119 R)
• M35: 44,352,926 km (0.085 R)
• M36: 50,698,868 km (0.111 R)
• M37: 57,818,979 km (0.047 R)
• M38: 61,616,371 km (0.075 R)
• M39: 63,263,743 km (0.109 R)
• M40: 72,624,231 km (0.103 R)
• M41: 77,038,565 km (0.113 R)
• M42: 80,159,775 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 10,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit