🌌 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 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 12.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.56 AU - 0.7 AU

Year: 339 Days

Day: 14.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,872,297 km

• M1: 159,322 km (0.087 R)
• M2: 667,954 km (0.057 R)
• M3: 1,083,238 km (0.087 R)
• M4: 1,546,094 km (0.077 R)
• M5: 2,018,524 km (0.104 R)
• M6: 2,570,839 km (0.054 R)
• M7: 3,076,480 km (0.116 R)
• M8: 3,615,781 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 9.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 106.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,872,297 km

• M1: 120,576 km (0.118 R)
• M2: 433,684 km (0.097 R)
• M3: 785,538 km (0.099 R)
• M4: 1,106,575 km (0.1 R)
• M5: 1,494,034 km (0.079 R)
• M6: 1,848,431 km (0.109 R)
• M7: 2,182,633 km (0.077 R)
• M8: 2,818,873 km (0.037 R)
• M9: 3,185,986 km (0.099 R)
• M10: 3,531,856 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 11.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.53 AU - 0.85 AU

Year: 389 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,872,297 km

• M1: 141,220 km (0.11 R)
• M2: 571,015 km (0.098 R)
• M3: 1,159,383 km (0.119 R)
• M4: 1,637,947 km (0.083 R)
• M5: 2,050,987 km (0.077 R)
• M6: 2,507,410 km (0.079 R)
• M7: 2,932,567 km (0.112 R)
• M8: 4,186,197 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 13.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.89 AU - 1.43 AU

Year: 847 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,872,297 km

• M1: 166,652 km (0.117 R)
• M2: 718,519 km (0.052 R)
• M3: 1,185,713 km (0.079 R)
• M4: 1,816,118 km (0.06 R)
• M5: 3,411,579 km (0.1 R)
• M6: 3,943,549 km (0.077 R)
• M7: 5,384,925 km (0.069 R)
• M8: 6,067,690 km (0.119 R)
• M9: 6,650,373 km (0.088 R)
• M10: 7,317,729 km (0.063 R)
• M11: 8,813,559 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.3

Radius: 14.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.13 AU - 1.33 AU

Year: 925 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,872,297 km

• M1: 182,809 km (0.111 R)
• M2: 703,708 km (0.104 R)
• M3: 1,171,202 km (0.041 R)
• M4: 1,643,033 km (0.081 R)
• M5: 2,255,337 km (0.102 R)
• M6: 2,734,499 km (0.106 R)
• M7: 3,214,858 km (0.049 R)
• M8: 4,122,169 km (0.104 R)
• M9: 4,991,632 km (0.081 R)
• M10: 6,754,344 km (0.051 R)
• M11: 7,212,562 km (0.081 R)
• M12: 8,320,634 km (0.095 R)
• M13: 9,314,412 km (0.12 R)
• M14: 9,797,015 km (0.119 R)

Asteroid Belt

Center: 3.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.5

Radius: 3

Gravity: 36.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5 AU - 6.68 AU

Year: 9572 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 39,872,297 km

• M1: 37,699 km (0.098 R)
• M2: 192,682 km (0.074 R)
• M3: 287,976 km (0.064 R)
• M4: 482,004 km (0.088 R)
• M5: 748,737 km (0.066 R)
• M6: 1,084,585 km (0.101 R)
• M7: 1,246,300 km (0.054 R)
• M8: 1,399,189 km (0.076 R)
• M9: 1,499,419 km (0.073 R)
• M10: 2,359,009 km (0.097 R)
• M11: 2,501,576 km (0.108 R)
• M12: 2,764,718 km (0.044 R)
• M13: 2,923,142 km (0.041 R)
• M14: 3,571,799 km (0.107 R)
• M15: 3,688,635 km (0.043 R)
• M16: 5,448,205 km (0.118 R)
• M17: 5,856,906 km (0.043 R)
• M18: 6,151,764 km (0.097 R)
• M19: 6,985,921 km (0.054 R)
• M20: 8,131,392 km (0.109 R)
• M21: 8,748,334 km (0.11 R)
• M22: 9,351,961 km (0.035 R)
• M23: 10,737,686 km (0.083 R)
• M24: 11,785,470 km (0.097 R)
• M25: 13,341,587 km (0.06 R)
• M26: 18,892,117 km (0.112 R)
• M27: 19,751,108 km (0.116 R)
• M28: 21,012,218 km (0.065 R)
• M29: 21,546,731 km (0.118 R)
• M30: 22,722,570 km (0.091 R)
• M31: 25,804,586 km (0.105 R)
• M32: 28,498,993 km (0.094 R)
• M33: 30,299,104 km (0.079 R)
• M34: 31,177,543 km (0.118 R)
• M35: 36,042,615 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.6

Radius: 3.7

Gravity: 53.73 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.18 AU - 6.94 AU

Year: 10118 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 39,872,297 km

• M1: 60,886 km (0.094 R)
• M2: 412,441 km (0.098 R)
• M3: 1,040,603 km (0.098 R)
• M4: 1,178,083 km (0.075 R)
• M5: 1,547,141 km (0.092 R)
• M6: 2,313,830 km (0.111 R)
• M7: 3,527,817 km (0.055 R)
• M8: 3,786,771 km (0.096 R)
• M9: 4,227,636 km (0.05 R)
• M10: 4,342,976 km (0.11 R)
• M11: 5,444,016 km (0.101 R)
• M12: 5,789,886 km (0.096 R)
• M13: 6,004,410 km (0.118 R)
• M14: 6,150,268 km (0.101 R)
• M15: 7,116,520 km (0.109 R)
• M16: 7,321,320 km (0.052 R)
• M17: 7,871,990 km (0.097 R)
• M18: 9,103,180 km (0.086 R)
• M19: 12,287,221 km (0.079 R)
• M20: 12,821,136 km (0.114 R)
• M21: 13,682,072 km (0.092 R)
• M22: 14,191,004 km (0.095 R)
• M23: 15,179,098 km (0.06 R)
• M24: 15,655,417 km (0.087 R)
• M25: 16,495,260 km (0.09 R)
• M26: 19,511,153 km (0.115 R)
• M27: 21,486,443 km (0.106 R)
• M28: 22,347,379 km (0.106 R)
• M29: 23,863,404 km (0.081 R)
• M30: 24,229,918 km (0.059 R)
• M31: 25,162,212 km (0.12 R)
• M32: 25,541,892 km (0.1 R)
• M33: 26,409,858 km (0.092 R)
• M34: 27,900,003 km (0.052 R)
• M35: 28,614,183 km (0.101 R)
• M36: 30,937,887 km (0.067 R)
• M37: 39,545,449 km (0.105 R)
• M38: 40,058,420 km (0.079 R)
• M39: 46,138,526 km (0.094 R)
• M40: 47,280,108 km (0.092 R)
• M41: 48,586,696 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.6

Radius: 4.9

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.5 AU - 6.7 AU

Year: 10218 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,872,297 km

• M1: 61,186 km (0.098 R)
• M2: 281,693 km (0.109 R)
• M3: 1,224,159 km (0.094 R)
• M4: 1,390,063 km (0.091 R)
• M5: 1,598,304 km (0.106 R)
• M6: 1,857,108 km (0.11 R)
• M7: 2,368,433 km (0.099 R)
• M8: 2,804,810 km (0.106 R)
• M9: 3,074,087 km (0.113 R)
• M10: 3,910,788 km (0.089 R)
• M11: 4,300,640 km (0.1 R)
• M12: 6,793,539 km (0.107 R)
• M13: 7,203,287 km (0.039 R)
• M14: 9,231,385 km (0.04 R)
• M15: 12,913,139 km (0.08 R)
• M16: 21,851,462 km (0.073 R)
• M17: 29,277,350 km (0.106 R)
• M18: 29,765,937 km (0.116 R)
• M19: 38,924,468 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit